summaryrefslogtreecommitdiffstats
path: root/tests/namespace.test
blob: f4e50bc3f1000c0de80bc1a5a7a0b5bdfefcb9e5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
# Functionality covered: this file contains a collection of tests for the
# procedures in tclNamesp.c and tclEnsemble.c that implement Tcl's basic
# support for namespaces.  Other namespace-related tests appear in
# variable.test.
#
# Sourcing this file into Tcl runs the tests and generates output for errors.
# No output means no errors were found.
#
# Copyright (c) 1997 Sun Microsystems, Inc.
# Copyright (c) 1998-2000 by Scriptics Corporation.
#
# See the file "license.terms" for information on usage and redistribution of
# this file, and for a DISCLAIMER OF ALL WARRANTIES.

package require tcltest 2
namespace import -force ::tcltest::*
testConstraint memory [llength [info commands memory]]

#
# REMARK: the tests for 'namespace upvar' are not done here. They are to be
# found in the file 'upvar.test'.
#

# Clear out any namespaces called test_ns_*
catch {namespace delete {*}[namespace children :: test_ns_*]}

proc fq {ns} {
    if {[string match ::* $ns]} {return $ns}
    set current [uplevel 1 {namespace current}]
    return [string trimright $current :]::[string trimleft $ns :]
}

test namespace-1.1 {TclInitNamespaces, GetNamespaceFromObj, NamespaceChildrenCmd} {
    namespace children :: test_ns_*
} {}

catch {unset l}
test namespace-2.1 {Tcl_GetCurrentNamespace} {
    list [namespace current] [namespace eval {} {namespace current}] \
        [namespace eval {} {namespace current}]
} {:: :: ::}
test namespace-2.2 {Tcl_GetCurrentNamespace} {
    set l {}
    lappend l [namespace current]
    namespace eval test_ns_1 {
        lappend l [namespace current]
        namespace eval foo {
            lappend l [namespace current]
        }
    }
    lappend l [namespace current]
} {:: ::test_ns_1 ::test_ns_1::foo ::}

test namespace-3.1 {Tcl_GetGlobalNamespace} {
    namespace eval test_ns_1 {namespace eval foo {namespace eval bar {} } }
    # namespace children uses Tcl_GetGlobalNamespace 
    namespace eval test_ns_1 {namespace children foo b*}
} {::test_ns_1::foo::bar}

test namespace-4.1 {Tcl_PushCallFrame with isProcCallFrame=1} {
    namespace eval test_ns_1 {
        variable v 123
        proc p {} {
            variable v
            return $v
        }
    }
    test_ns_1::p    ;# does Tcl_PushCallFrame to push p's namespace
} {123}
test namespace-4.2 {Tcl_PushCallFrame with isProcCallFrame=0} {
    namespace eval test_ns_1::baz {}  ;# does Tcl_PushCallFrame to create baz
    proc test_ns_1::baz::p {} {
        variable v
        set v 789
        set v}
    test_ns_1::baz::p
} {789}

test namespace-5.1 {Tcl_PopCallFrame, no vars} {
    namespace eval test_ns_1::blodge {}  ;# pushes then pops frame
} {}
test namespace-5.2 {Tcl_PopCallFrame, local vars must be deleted} {
    proc test_ns_1::r {} {
        set a 123
    }
    test_ns_1::r   ;# pushes then pop's r's frame
} {123}

test namespace-6.1 {Tcl_CreateNamespace} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    list [lsort [namespace children :: test_ns_*]] \
        [namespace eval test_ns_1 {namespace current}] \
	[namespace eval test_ns_2 {namespace current}] \
	[namespace eval ::test_ns_3 {namespace current}] \
	[namespace eval ::test_ns_4 \
            {namespace eval foo {namespace current}}] \
	[namespace eval ::test_ns_5 \
            {namespace eval ::test_ns_6 {namespace current}}] \
        [lsort [namespace children :: test_ns_*]]
} {{} ::test_ns_1 ::test_ns_2 ::test_ns_3 ::test_ns_4::foo ::test_ns_6 {::test_ns_1 ::test_ns_2 ::test_ns_3 ::test_ns_4 ::test_ns_5 ::test_ns_6}}
test namespace-6.2 {Tcl_CreateNamespace, odd number of :'s in name is okay} {
    list [namespace eval :::test_ns_1::::foo {namespace current}] \
         [namespace eval test_ns_2:::::foo {namespace current}]
} {::test_ns_1::foo ::test_ns_2::foo}
test namespace-6.3 {Tcl_CreateNamespace, trailing ::s in ns name are ignored} {
    list [catch {namespace eval test_ns_7::: {namespace current}} msg] $msg 
} {0 ::test_ns_7}
test namespace-6.4 {Tcl_CreateNamespace, trailing ::s in ns name are ignored} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace eval test_ns_1:: {
        namespace eval test_ns_2:: {}
        namespace eval test_ns_3:: {}
    }
    lsort [namespace children ::test_ns_1]
} [lsort {::test_ns_1::test_ns_2 ::test_ns_1::test_ns_3}]
test namespace-6.5 {Tcl_CreateNamespace, relative ns names now only looked up in current ns} {
    set trigger {
        namespace eval test_ns_2 {namespace current}
    }
    set l {}
    lappend l [namespace eval test_ns_1 $trigger]
    namespace eval test_ns_1::test_ns_2 {}
    lappend l [namespace eval test_ns_1 $trigger]
} {::test_ns_1::test_ns_2 ::test_ns_1::test_ns_2}

test namespace-7.1 {Tcl_DeleteNamespace, active call frames in ns} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace eval test_ns_1 {
        proc p {} {
            namespace delete [namespace current]
            return [namespace current]
        }
    }
    list [test_ns_1::p] [catch {test_ns_1::p} msg] $msg
} {::test_ns_1 1 {invalid command name "test_ns_1::p"}}
test namespace-7.2 {Tcl_DeleteNamespace, no active call frames in ns} {
    namespace eval test_ns_2 {
        proc p {} {
            return [namespace current]
        }
    }
    list [test_ns_2::p] [namespace delete test_ns_2]
} {::test_ns_2 {}}
test namespace-7.3 {recursive Tcl_DeleteNamespace, active call frames in ns} {
    # [Bug 1355942]
    namespace eval test_ns_2 {
        set x 1
	trace add variable x unset "namespace delete [namespace current];#"
	namespace delete [namespace current]
    }
} {}
test namespace-7.4 {recursive Tcl_DeleteNamespace, active call frames in ns} {
    # [Bug 1355942]
    namespace eval test_ns_2 {
        proc x {} {}
	trace add command x delete "namespace delete [namespace current];#"
	namespace delete [namespace current]
    }
} {}
test namespace-7.5 {recursive Tcl_DeleteNamespace, no active call frames in ns} {
    # [Bug 1355942]
    namespace eval test_ns_2 {
        set x 1
	trace add variable x unset "namespace delete [namespace current];#"
    }
    namespace delete test_ns_2
} {}
test namespace-7.6 {recursive Tcl_DeleteNamespace, no active call frames in ns} {
    # [Bug 1355942]
    namespace eval test_ns_2 {
        proc x {} {}
	trace add command x delete "namespace delete [namespace current];#"
    }
    namespace delete test_ns_2
} {}
test namespace-7.7 {Bug 1655305} -setup {
    interp create slave
    # Can't invoke through the ensemble, since deleting the global namespace
    # (indirectly, via deleting ::tcl) deletes the ensemble.
    slave eval {rename ::tcl::info::commands ::infocommands}
    slave hide infocommands
    slave eval {
	proc foo {} {
	    namespace delete ::
	}
    }
} -body {
    slave eval foo
    slave invokehidden infocommands
} -cleanup {
    interp delete slave
} -result {}


test namespace-8.1 {TclTeardownNamespace, delete global namespace} {
    catch {interp delete test_interp}
    interp create test_interp
    interp eval test_interp {
        namespace eval test_ns_1 {
            namespace export p
            proc p {} {
                return [namespace current]
            }
        }
        namespace eval test_ns_2 {
            namespace import ::test_ns_1::p
            variable v 27
            proc q {} {
                variable v
                return "[p] $v"
            }
        }
        set x [test_ns_2::q]
        catch {set xxxx}
    }
    list [interp eval test_interp {test_ns_2::q}] \
         [interp eval test_interp {namespace delete ::}] \
         [catch {interp eval test_interp {set a 123}} msg] $msg \
         [interp delete test_interp]
} {{::test_ns_1 27} {} 1 {invalid command name "set"} {}}
test namespace-8.2 {TclTeardownNamespace, remove deleted ns from parent} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace eval test_ns_1::test_ns_2::test_ns_3a {proc p {} {}}
    namespace eval test_ns_1::test_ns_2::test_ns_3b {proc q {} {}}
    list [namespace children test_ns_1] \
         [namespace delete test_ns_1::test_ns_2] \
         [namespace children test_ns_1]
} {::test_ns_1::test_ns_2 {} {}}
test namespace-8.3 {TclTeardownNamespace, delete child namespaces} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace eval test_ns_1::test_ns_2::test_ns_3a {proc p {} {}}
    namespace eval test_ns_1::test_ns_2::test_ns_3b {proc q {} {}}
    list [namespace children test_ns_1] \
         [namespace delete test_ns_1::test_ns_2] \
         [namespace children test_ns_1] \
         [catch {namespace children test_ns_1::test_ns_2} msg] $msg \
         [info commands test_ns_1::test_ns_2::test_ns_3a::*]
} {::test_ns_1::test_ns_2 {} {} 1 {namespace "test_ns_1::test_ns_2" not found in "::"} {}}
test namespace-8.4 {TclTeardownNamespace, cmds imported from deleted ns go away} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace eval test_ns_export {
        namespace export cmd1 cmd2
        proc cmd1 {args} {return "cmd1: $args"}
        proc cmd2 {args} {return "cmd2: $args"}
    }
    namespace eval test_ns_import {
        namespace import ::test_ns_export::*
        proc p {} {return foo}
    }
    list [lsort [info commands test_ns_import::*]] \
         [namespace delete test_ns_export] \
         [info commands test_ns_import::*]
} [list [lsort {::test_ns_import::p ::test_ns_import::cmd1 ::test_ns_import::cmd2}] {} ::test_ns_import::p]
test namespace-8.5 {TclTeardownNamespace: preserve errorInfo; errorCode values} {
    interp create slave
    slave eval {trace add execution error leave {namespace delete :: ;#}}
    catch {slave eval error foo bar baz}
    interp delete slave
    set ::errorInfo
} {bar
    invoked from within
"slave eval error foo bar baz"}
test namespace-8.6 {TclTeardownNamespace: preserve errorInfo; errorCode values} {
    interp create slave 
    slave eval {trace add variable errorCode write {namespace delete :: ;#}}
    catch {slave eval error foo bar baz}
    interp delete slave
    set ::errorInfo
} {bar
    invoked from within
"slave eval error foo bar baz"}
test namespace-8.7 {TclTeardownNamespace: preserve errorInfo; errorCode values} {
    interp create slave
    slave eval {trace add execution error leave {namespace delete :: ;#}}
    catch {slave eval error foo bar baz}
    interp delete slave
    set ::errorCode
} baz

test namespace-9.1 {Tcl_Import, empty import pattern} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    list [catch {namespace eval test_ns_import {namespace import {}}} msg] $msg
} {1 {empty import pattern}}
test namespace-9.2 {Tcl_Import, unknown namespace in import pattern} {
    list [catch {namespace eval test_ns_import {namespace import fred::x}} msg] $msg
} {1 {unknown namespace in import pattern "fred::x"}}
test namespace-9.3 {Tcl_Import, import ns == export ns} {
    list [catch {namespace eval test_ns_import {namespace import ::test_ns_import::puts}} msg] $msg
} {1 {import pattern "::test_ns_import::puts" tries to import from namespace "test_ns_import" into itself}}
test namespace-9.4 {Tcl_Import, simple import} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace eval test_ns_export {
        namespace export cmd1
        proc cmd1 {args} {return "cmd1: $args"}
        proc cmd2 {args} {return "cmd2: $args"}
    }
    namespace eval test_ns_import {
        namespace import ::test_ns_export::*
        proc p {} {return [cmd1 123]}
    }
    test_ns_import::p
} {cmd1: 123}
test namespace-9.5 {Tcl_Import, can't redefine cmd unless allowOverwrite!=0} {
    list [catch {namespace eval test_ns_import {namespace import ::test_ns_export::*}} msg] $msg
} {0 {}}
test namespace-9.6 {Tcl_Import, cmd redefinition ok if allowOverwrite!=0} {
    namespace eval test_ns_import {
        namespace import -force ::test_ns_export::*
        cmd1 555
    }
} {cmd1: 555}
test namespace-9.7 {Tcl_Import, links are preserved if cmd is redefined} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace eval test_ns_export {
        namespace export cmd1
        proc cmd1 {args} {return "cmd1: $args"}
    }
    namespace eval test_ns_import {
        namespace import -force ::test_ns_export::*
    }
    list [test_ns_import::cmd1 a b c] \
         [test_ns_export::cmd1 d e f] \
         [proc test_ns_export::cmd1 {args} {return "new1: $args"}] \
         [namespace origin test_ns_import::cmd1] \
         [namespace origin test_ns_export::cmd1] \
         [test_ns_import::cmd1 g h i] \
         [test_ns_export::cmd1 j k l]
} {{cmd1: a b c} {cmd1: d e f} {} ::test_ns_export::cmd1 ::test_ns_export::cmd1 {new1: g h i} {new1: j k l}}

test namespace-9.8 {Tcl_Import: Bug 1017299} -setup {
    namespace eval one {
	namespace export cmd
	proc cmd {} {}
    }
    namespace eval two {
	namespace export cmd
	proc other args {}
    }
    namespace eval two \
	    [list namespace import [namespace current]::one::cmd]
    namespace eval three \
	    [list namespace import [namespace current]::two::cmd]
    namespace eval three {
	rename cmd other
	namespace export other
    }
} -body {
    namespace eval two [list namespace import -force \
	    [namespace current]::three::other]
    namespace origin two::other
} -cleanup {
    namespace delete one two three
} -match glob -result *::one::cmd

test namespace-9.9 {Tcl_Import: Bug 1017299} -setup {
    namespace eval one {
	namespace export cmd
	proc cmd {} {}
    }
    namespace eval two namespace export cmd
    namespace eval two \
	    [list namespace import [namespace current]::one::cmd]
    namespace eval three namespace export cmd
    namespace eval three \
	    [list namespace import [namespace current]::two::cmd]
} -body {
    namespace eval two [list namespace import -force \
	    [namespace current]::three::cmd]
    namespace origin two::cmd
} -cleanup {
    namespace delete one two three
} -returnCodes error -match glob -result {import pattern * would create a loop*}

test namespace-10.1 {Tcl_ForgetImport, check for valid namespaces} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    list [catch {namespace forget xyzzy::*} msg] $msg
} {1 {unknown namespace in namespace forget pattern "xyzzy::*"}}
test namespace-10.2 {Tcl_ForgetImport, ignores patterns that don't match} {
    namespace eval test_ns_export {
        namespace export cmd1
        proc cmd1 {args} {return "cmd1: $args"}
        proc cmd2 {args} {return "cmd2: $args"}
    }
    namespace eval test_ns_import {
        namespace forget ::test_ns_export::wombat
    }
} {}
test namespace-10.3 {Tcl_ForgetImport, deletes matching imported cmds} {
    namespace eval test_ns_import {
        namespace import ::test_ns_export::*
        proc p {} {return [cmd1 123]}
        set l {}
        lappend l [lsort [info commands ::test_ns_import::*]]
        namespace forget ::test_ns_export::cmd1
        lappend l [info commands ::test_ns_import::*]
        lappend l [catch {cmd1 777} msg] $msg
    }
} [list [lsort {::test_ns_import::p ::test_ns_import::cmd1}] ::test_ns_import::p 1 {invalid command name "cmd1"}]

test namespace-10.4 {Tcl_ForgetImport: Bug 560297} -setup {
    namespace eval origin {
	namespace export cmd
	proc cmd {} {}
    }
    namespace eval unrelated {
	proc cmd {} {}
    }
    namespace eval my \
	    [list namespace import [namespace current]::origin::cmd]
} -body {
    namespace eval my \
	    [list namespace forget [namespace current]::unrelated::cmd]
    my::cmd
} -cleanup {
    namespace delete origin unrelated my
}

test namespace-10.5 {Tcl_ForgetImport: Bug 560297} -setup {
    namespace eval origin {
	namespace export cmd
	proc cmd {} {}
    }
    namespace eval my \
	    [list namespace import [namespace current]::origin::cmd]
    namespace eval my rename cmd newname
} -body {
    namespace eval my \
	    [list namespace forget [namespace current]::origin::cmd]
    my::newname
} -cleanup {
    namespace delete origin my
} -returnCodes error -match glob -result *

test namespace-10.6 {Tcl_ForgetImport: Bug 560297} -setup {
    namespace eval origin {
	namespace export cmd
	proc cmd {} {}
    }
    namespace eval my \
	    [list namespace import [namespace current]::origin::cmd]
    namespace eval your {}
    namespace eval my \
	    [list rename cmd [namespace current]::your::newname]
} -body {
    namespace eval your namespace forget newname
    your::newname
} -cleanup {
    namespace delete origin my your
} -returnCodes error -match glob -result *

test namespace-10.7 {Tcl_ForgetImport: Bug 560297} -setup {
    namespace eval origin {
	namespace export cmd
	proc cmd {} {}
    }
    namespace eval link namespace export cmd
    namespace eval link \
	    [list namespace import [namespace current]::origin::cmd]
    namespace eval link2 namespace export cmd
    namespace eval link2 \
	    [list namespace import [namespace current]::link::cmd]
    namespace eval my \
	    [list namespace import [namespace current]::link2::cmd]
} -body {
    namespace eval my \
	    [list namespace forget [namespace current]::origin::cmd]
    my::cmd
} -cleanup {
    namespace delete origin link link2 my
} -returnCodes error -match glob -result *

test namespace-10.8 {Tcl_ForgetImport: Bug 560297} -setup {
    namespace eval origin {
	namespace export cmd
	proc cmd {} {}
    }
    namespace eval link namespace export cmd
    namespace eval link \
	    [list namespace import [namespace current]::origin::cmd]
    namespace eval link2 namespace export cmd
    namespace eval link2 \
	    [list namespace import [namespace current]::link::cmd]
    namespace eval my \
	    [list namespace import [namespace current]::link2::cmd]
} -body {
    namespace eval my \
	    [list namespace forget [namespace current]::link::cmd]
    my::cmd
} -cleanup {
    namespace delete origin link link2 my
}

test namespace-10.9 {Tcl_ForgetImport: Bug 560297} -setup {
    namespace eval origin {
	namespace export cmd
	proc cmd {} {}
    }
    namespace eval link namespace export cmd
    namespace eval link \
	    [list namespace import [namespace current]::origin::cmd]
    namespace eval link2 namespace export cmd
    namespace eval link2 \
	    [list namespace import [namespace current]::link::cmd]
    namespace eval my \
	    [list namespace import [namespace current]::link2::cmd]
} -body {
    namespace eval my \
	    [list namespace forget [namespace current]::link2::cmd]
    my::cmd
} -cleanup {
    namespace delete origin link link2 my
} -returnCodes error -match glob -result *

test namespace-11.1 {TclGetOriginalCommand, check if not imported cmd} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace eval test_ns_export {
        namespace export cmd1
        proc cmd1 {args} {return "cmd1: $args"}
    }
    list [namespace origin set] [namespace origin test_ns_export::cmd1]
} {::set ::test_ns_export::cmd1}
test namespace-11.2 {TclGetOriginalCommand, directly imported cmd} {
    namespace eval test_ns_import1 {
        namespace import ::test_ns_export::*
        namespace export *
        proc p {} {namespace origin cmd1}
    }
    list [test_ns_import1::p] [namespace origin test_ns_import1::cmd1]
} {::test_ns_export::cmd1 ::test_ns_export::cmd1}
test namespace-11.3 {TclGetOriginalCommand, indirectly imported cmd} {
    namespace eval test_ns_import2 {
        namespace import ::test_ns_import1::*
        proc q {} {return [cmd1 123]}
    }
    list [test_ns_import2::q] [namespace origin test_ns_import2::cmd1]
} {{cmd1: 123} ::test_ns_export::cmd1}

test namespace-12.1 {InvokeImportedCmd} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace eval test_ns_export {
        namespace export cmd1
        proc cmd1 {args} {namespace current}
    }
    namespace eval test_ns_import {
        namespace import ::test_ns_export::*
    }
    list [test_ns_import::cmd1]
} {::test_ns_export}

test namespace-13.1 {DeleteImportedCmd, deletes imported cmds} {
    namespace eval test_ns_import {
        set l {}
        lappend l [info commands ::test_ns_import::*]
        namespace forget ::test_ns_export::cmd1
        lappend l [info commands ::test_ns_import::*]
    }
} {::test_ns_import::cmd1 {}}

test namespace-14.1 {TclGetNamespaceForQualName, absolute names} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    variable v 10
    namespace eval test_ns_1::test_ns_2 {
        variable v 20
    }
    namespace eval test_ns_2 {
        variable v 30
    }
    namespace eval test_ns_1 {
        list $::v $::test_ns_2::v $::test_ns_1::test_ns_2::v \
		[lsort [namespace children :: test_ns_*]]
    }
} [list 10 30 20 [lsort {::test_ns_1 ::test_ns_2}]]
test namespace-14.2 {TclGetNamespaceForQualName, invalid absolute names} {
    namespace eval test_ns_1 {
        list [catch {set ::test_ns_777::v} msg] $msg \
             [catch {namespace children test_ns_777} msg] $msg
    }
} {1 {can't read "::test_ns_777::v": no such variable} 1 {namespace "test_ns_777" not found in "::test_ns_1"}}
test namespace-14.3 {TclGetNamespaceForQualName, relative names} {
    namespace eval test_ns_1 {
        list $v $test_ns_2::v
    }
} {10 20}
test namespace-14.4 {TclGetNamespaceForQualName, relative ns names looked up only in current ns} {
    namespace eval test_ns_1::test_ns_2 {
        namespace eval foo {}
    }
    namespace eval test_ns_1 {
        list [namespace children test_ns_2] \
             [catch {namespace children test_ns_1} msg] $msg
    }
} {::test_ns_1::test_ns_2::foo 1 {namespace "test_ns_1" not found in "::test_ns_1"}}
test namespace-14.5 {TclGetNamespaceForQualName, relative ns names looked up only in current ns} {
    namespace eval ::test_ns_2 {
        namespace eval bar {}
    }
    namespace eval test_ns_1 {
        list [catch {namespace delete test_ns_2::bar} msg] $msg
    }
} {1 {unknown namespace "test_ns_2::bar" in namespace delete command}}
test namespace-14.6 {TclGetNamespaceForQualName, relative ns names looked up only in current ns} {
    namespace eval test_ns_1::test_ns_2 {
        namespace eval foo {}
    }
    namespace eval test_ns_1 {
        list [namespace children test_ns_2] \
             [catch {namespace children test_ns_1} msg] $msg
    }
} {::test_ns_1::test_ns_2::foo 1 {namespace "test_ns_1" not found in "::test_ns_1"}}
test namespace-14.7 {TclGetNamespaceForQualName, ignore extra :s if ns} {
    namespace children test_ns_1:::
} {::test_ns_1::test_ns_2}
test namespace-14.8 {TclGetNamespaceForQualName, ignore extra :s if ns} {
    namespace children :::test_ns_1:::::test_ns_2:::
} {::test_ns_1::test_ns_2::foo}
test namespace-14.9 {TclGetNamespaceForQualName, extra ::s are significant for vars} {
    set l {}
    lappend l [catch {set test_ns_1::test_ns_2::} msg] $msg
    namespace eval test_ns_1::test_ns_2 {variable {} 2525}
    lappend l [set test_ns_1::test_ns_2::]
} {1 {can't read "test_ns_1::test_ns_2::": no such variable} 2525}
test namespace-14.10 {TclGetNamespaceForQualName, extra ::s are significant for vars} {
    catch {unset test_ns_1::test_ns_2::}
    set l {}
    lappend l [catch {set test_ns_1::test_ns_2::} msg] $msg
    set test_ns_1::test_ns_2:: 314159
    lappend l [set test_ns_1::test_ns_2::]
} {1 {can't read "test_ns_1::test_ns_2::": no such variable} 314159}
test namespace-14.11 {TclGetNamespaceForQualName, extra ::s are significant for commands} {
    catch {rename test_ns_1::test_ns_2:: {}}
    set l {}
    lappend l [catch {test_ns_1::test_ns_2:: hello} msg] $msg
    proc test_ns_1::test_ns_2:: {args} {return "\{\}: $args"}
    lappend l [test_ns_1::test_ns_2:: hello]
} {1 {invalid command name "test_ns_1::test_ns_2::"} {{}: hello}}
test namespace-14.12 {TclGetNamespaceForQualName, extra ::s are significant for vars} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace eval test_ns_1 {
        variable {}
        set test_ns_1::(x) y
    }
    set test_ns_1::(x)
} y
test namespace-14.13 {TclGetNamespaceForQualName, namespace other than global ns can't have empty name} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    list [catch {namespace eval test_ns_1 {proc {} {} {}; namespace eval {} {}; {}}} msg] $msg
} {1 {can't create namespace "": only global namespace can have empty name}}

test namespace-15.1 {Tcl_FindNamespace, absolute name found} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace eval test_ns_delete {
        namespace eval test_ns_delete2 {}
        proc cmd {args} {namespace current}
    }
    list [namespace delete ::test_ns_delete::test_ns_delete2] \
         [namespace children ::test_ns_delete]
} {{} {}}
test namespace-15.2 {Tcl_FindNamespace, absolute name not found} {
    list [catch {namespace delete ::test_ns_delete::test_ns_delete2} msg] $msg
} {1 {unknown namespace "::test_ns_delete::test_ns_delete2" in namespace delete command}}
test namespace-15.3 {Tcl_FindNamespace, relative name found} {
    namespace eval test_ns_delete {
        namespace eval test_ns_delete2 {}
        namespace eval test_ns_delete3 {}
        list [namespace delete test_ns_delete2] \
             [namespace children [namespace current]]
    }
} {{} ::test_ns_delete::test_ns_delete3}
test namespace-15.4 {Tcl_FindNamespace, relative name not found} {
    namespace eval test_ns_delete2 {}
    namespace eval test_ns_delete {
        list [catch {namespace delete test_ns_delete2} msg] $msg
    }
} {1 {unknown namespace "test_ns_delete2" in namespace delete command}}

test namespace-16.1 {Tcl_FindCommand, absolute name found} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace eval test_ns_1 {
        proc cmd {args} {return "[namespace current]::cmd: $args"}
        variable v "::test_ns_1::cmd"
        eval $v one
    }
} {::test_ns_1::cmd: one}
test namespace-16.2 {Tcl_FindCommand, absolute name found} {
    eval $test_ns_1::v two
} {::test_ns_1::cmd: two}
test namespace-16.3 {Tcl_FindCommand, absolute name not found} {
    namespace eval test_ns_1 {
        variable v2 "::test_ns_1::ladidah"
        list [catch {eval $v2} msg] $msg
    }
} {1 {invalid command name "::test_ns_1::ladidah"}}

# save the "unknown" proc, which is redefined by the following two tests
catch {rename unknown unknown.old}
proc unknown {args} {
    return "unknown: $args"
}
test namespace-16.4 {Tcl_FindCommand, absolute name and TCL_GLOBAL_ONLY} {
    ::test_ns_1::foobar x y z
} {unknown: ::test_ns_1::foobar x y z}
test namespace-16.5 {Tcl_FindCommand, absolute name and TCL_GLOBAL_ONLY} {
    ::foobar 1 2 3 4 5
} {unknown: ::foobar 1 2 3 4 5}
test namespace-16.6 {Tcl_FindCommand, relative name and TCL_GLOBAL_ONLY} {
    test_ns_1::foobar x y z
} {unknown: test_ns_1::foobar x y z}
test namespace-16.7 {Tcl_FindCommand, relative name and TCL_GLOBAL_ONLY} {
    foobar 1 2 3 4 5
} {unknown: foobar 1 2 3 4 5}
# restore the "unknown" proc saved previously
catch {rename unknown {}}
catch {rename unknown.old unknown}

test namespace-16.8 {Tcl_FindCommand, relative name found} {
    namespace eval test_ns_1 {
        cmd a b c
    }
} {::test_ns_1::cmd: a b c}
test namespace-16.9 {Tcl_FindCommand, relative name found} -body {
    proc cmd2 {args} {return "[namespace current]::cmd2: $args"}
    namespace eval test_ns_1 {
       cmd2 a b c
    }
} -cleanup {
    catch {rename cmd2 {}}
} -result {::::cmd2: a b c}
test namespace-16.10 {Tcl_FindCommand, relative name found, only look in current then global ns} -body {
    proc cmd2 {args} {return "[namespace current]::cmd2: $args"}
    namespace eval test_ns_1 {
        proc cmd2 {args} {
            return "[namespace current]::cmd2 in test_ns_1: $args"
        }
        namespace eval test_ns_12 {
            cmd2 a b c
        }
    }
} -cleanup {
    catch {rename cmd2 {}}
} -result {::::cmd2: a b c}
test namespace-16.11 {Tcl_FindCommand, relative name not found} {
    namespace eval test_ns_1 {
       list [catch {cmd3 a b c} msg] $msg
    }
} {1 {invalid command name "cmd3"}}

catch {unset x}
test namespace-17.1 {Tcl_FindNamespaceVar, absolute name found} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    set x 314159
    namespace eval test_ns_1 {
        set ::x
    }
} {314159}
test namespace-17.2 {Tcl_FindNamespaceVar, absolute name found} {
    namespace eval test_ns_1 {
        variable x 777
        set ::test_ns_1::x
    }
} {777}
test namespace-17.3 {Tcl_FindNamespaceVar, absolute name found} {
    namespace eval test_ns_1 {
        namespace eval test_ns_2 {
            variable x 1111
        }
        set ::test_ns_1::test_ns_2::x
    }
} {1111}
test namespace-17.4 {Tcl_FindNamespaceVar, absolute name not found} {
    namespace eval test_ns_1 {
        namespace eval test_ns_2 {
            variable x 1111
        }
        list [catch {set ::test_ns_1::test_ns_2::y} msg] $msg
    }
} {1 {can't read "::test_ns_1::test_ns_2::y": no such variable}}
test namespace-17.5 {Tcl_FindNamespaceVar, absolute name and TCL_GLOBAL_ONLY} {
    namespace eval test_ns_1 {
        namespace eval test_ns_3 {
            variable ::test_ns_1::test_ns_2::x 2222
        }
    }
    set ::test_ns_1::test_ns_2::x
} {2222}
test namespace-17.6 {Tcl_FindNamespaceVar, relative name found} {
    namespace eval test_ns_1 {
        set x
    }
} {777}
test namespace-17.7 {Tcl_FindNamespaceVar, relative name found} {
    namespace eval test_ns_1 {
        unset x
        set x  ;# must be global x now
    }
} {314159}
test namespace-17.8 {Tcl_FindNamespaceVar, relative name not found} {
    namespace eval test_ns_1 {
        list [catch {set wuzzat} msg] $msg
    }
} {1 {can't read "wuzzat": no such variable}}
test namespace-17.9 {Tcl_FindNamespaceVar, relative name and TCL_GLOBAL_ONLY} {
    namespace eval test_ns_1 {
        variable a hello
    }
    set test_ns_1::a
} {hello}
test namespace-17.10 {Tcl_FindNamespaceVar, interference with cached varNames} {
    namespace eval test_ns_1 {}
    proc test_ns {} {
	set ::test_ns_1::a 0
    }
    test_ns
    rename test_ns {}
    namespace eval test_ns_1 unset a
    set a 0
    namespace eval test_ns_1 set a 1
    namespace delete test_ns_1
    return $a
} 1
catch {unset a}
catch {unset x}

catch {unset l}
catch {rename foo {}}
test namespace-18.1 {TclResetShadowedCmdRefs, one-level check for command shadowing} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    proc foo {} {return "global foo"}
    namespace eval test_ns_1 {
        proc trigger {} {
            return [foo]
        }
    }
    set l ""
    lappend l [test_ns_1::trigger]
    namespace eval test_ns_1 {
        # force invalidation of cached ref to "foo" in proc trigger
        proc foo {} {return "foo in test_ns_1"}
    }
    lappend l [test_ns_1::trigger]
} {{global foo} {foo in test_ns_1}}
test namespace-18.2 {TclResetShadowedCmdRefs, multilevel check for command shadowing} {
    namespace eval test_ns_2 {
        proc foo {} {return "foo in ::test_ns_2"}
    }
    namespace eval test_ns_1 {
        namespace eval test_ns_2 {}
        proc trigger {} {
            return [test_ns_2::foo]
        }
    }
    set l ""
    lappend l [test_ns_1::trigger]
    namespace eval test_ns_1 {
        namespace eval test_ns_2 {
            # force invalidation of cached ref to "foo" in proc trigger
            proc foo {} {return "foo in ::test_ns_1::test_ns_2"}
        }
    }
    lappend l [test_ns_1::trigger]
} {{foo in ::test_ns_2} {foo in ::test_ns_1::test_ns_2}}
catch {unset l}
catch {rename foo {}}

test namespace-19.1 {GetNamespaceFromObj, global name found} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace eval test_ns_1::test_ns_2 {}
    namespace children ::test_ns_1
} {::test_ns_1::test_ns_2}
test namespace-19.2 {GetNamespaceFromObj, relative name found} {
    namespace eval test_ns_1 {
        namespace children test_ns_2
    }
} {}
test namespace-19.3 {GetNamespaceFromObj, name not found} -body {
    namespace eval test_ns_1 {
        namespace children test_ns_99
    }
} -returnCodes error -result {namespace "test_ns_99" not found in "::test_ns_1"}
test namespace-19.4 {GetNamespaceFromObj, invalidation of cached ns refs} {
    namespace eval test_ns_1 {
        proc foo {} {
            return [namespace children test_ns_2]
        }
        list [catch {namespace children test_ns_99} msg] $msg
    }
    set l {}
    lappend l [test_ns_1::foo]
    namespace delete test_ns_1::test_ns_2
    namespace eval test_ns_1::test_ns_2::test_ns_3 {}
    lappend l [test_ns_1::foo]
} {{} ::test_ns_1::test_ns_2::test_ns_3}

test namespace-20.1 {Tcl_NamespaceObjCmd, bad subcommand} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    list [catch {namespace} msg] $msg
} {1 {wrong # args: should be "namespace subcommand ?arg ...?"}}
test namespace-20.2 {Tcl_NamespaceObjCmd, bad subcommand} -body {
    namespace wombat {}
} -returnCodes error -match glob -result {unknown or ambiguous subcommand "wombat": must be *}
test namespace-20.3 {Tcl_NamespaceObjCmd, abbreviations are okay} {
    namespace ch :: test_ns_*
} {}

test namespace-21.1 {NamespaceChildrenCmd, no args} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace eval test_ns_1::test_ns_2 {}
    expr {[string first ::test_ns_1 [namespace children]] != -1}
} {1}
test namespace-21.2 {NamespaceChildrenCmd, no args} {
    namespace eval test_ns_1 {
        namespace children
    }
} {::test_ns_1::test_ns_2}
test namespace-21.3 {NamespaceChildrenCmd, ns name given} {
    namespace children ::test_ns_1
} {::test_ns_1::test_ns_2}
test namespace-21.4 {NamespaceChildrenCmd, ns name given} {
    namespace eval test_ns_1 {
        namespace children test_ns_2
    }
} {}
test namespace-21.5 {NamespaceChildrenCmd, too many args} {
    namespace eval test_ns_1 {
        list [catch {namespace children test_ns_2 xxx yyy} msg] $msg
    }
} {1 {wrong # args: should be "namespace children ?name? ?pattern?"}}
test namespace-21.6 {NamespaceChildrenCmd, glob-style pattern given} {
    namespace eval test_ns_1::test_ns_foo {}
    namespace children test_ns_1 *f*
} {::test_ns_1::test_ns_foo}
test namespace-21.7 {NamespaceChildrenCmd, glob-style pattern given} {
    namespace eval test_ns_1::test_ns_foo {}
    lsort [namespace children test_ns_1 test*]
} [lsort {::test_ns_1::test_ns_2 ::test_ns_1::test_ns_foo}]
test namespace-21.8 {NamespaceChildrenCmd, trivial pattern starting with ::} {
    namespace eval test_ns_1 {}
    namespace children [namespace current] [fq test_ns_1]
} [fq test_ns_1]

test namespace-22.1 {NamespaceCodeCmd, bad args} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    list [catch {namespace code} msg] $msg \
         [catch {namespace code xxx yyy} msg] $msg
} {1 {wrong # args: should be "namespace code arg"} 1 {wrong # args: should be "namespace code arg"}}
test namespace-22.2 {NamespaceCodeCmd, arg is already scoped value} {
    namespace eval test_ns_1 {
        proc cmd {} {return "test_ns_1::cmd"}
    }
    namespace code {::namespace inscope ::test_ns_1 cmd}
} {::namespace inscope ::test_ns_1 cmd}
test namespace-22.3 {NamespaceCodeCmd, arg is already scoped value} {
    namespace code {namespace     inscope     ::test_ns_1 cmd}
} {::namespace inscope :: {namespace     inscope     ::test_ns_1 cmd}}
test namespace-22.4 {NamespaceCodeCmd, in :: namespace} {
    namespace code unknown
} {::namespace inscope :: unknown}
test namespace-22.5 {NamespaceCodeCmd, in other namespace} {
    namespace eval test_ns_1 {
        namespace code cmd
    }
} {::namespace inscope ::test_ns_1 cmd}
test namespace-22.6 {NamespaceCodeCmd, in other namespace} { 
    namespace eval test_ns_1 { 
	variable v 42 
    } 
    namespace eval test_ns_2 { 
	proc namespace args {} 
    } 
    namespace eval test_ns_2 [namespace eval test_ns_1 { 
	namespace code {set v} 
    }] 
} {42} 
test namespace-22.7 {NamespaceCodeCmd, Bug 3202171} {
    namespace eval demo {
	proc namespace args {puts $args}
	::namespace code {namespace inscope foo}
    }
} [list ::namespace inscope [fq demo] {namespace inscope foo}]

test namespace-23.1 {NamespaceCurrentCmd, bad args} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    list [catch {namespace current xxx} msg] $msg \
         [catch {namespace current xxx yyy} msg] $msg
} {1 {wrong # args: should be "namespace current"} 1 {wrong # args: should be "namespace current"}}
test namespace-23.2 {NamespaceCurrentCmd, at global level} {
    namespace current
} {::}
test namespace-23.3 {NamespaceCurrentCmd, in nested ns} {
    namespace eval test_ns_1::test_ns_2 {
        namespace current
    }
} {::test_ns_1::test_ns_2}

test namespace-24.1 {NamespaceDeleteCmd, no args} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace delete
} {}
test namespace-24.2 {NamespaceDeleteCmd, one arg} {
    namespace eval test_ns_1::test_ns_2 {}
    namespace delete ::test_ns_1
} {}
test namespace-24.3 {NamespaceDeleteCmd, two args} {
    namespace eval test_ns_1::test_ns_2 {}
    list [namespace delete ::test_ns_1::test_ns_2] [namespace delete ::test_ns_1]
} {{} {}}
test namespace-24.4 {NamespaceDeleteCmd, unknown ns} {
    list [catch {namespace delete ::test_ns_foo} msg] $msg
} {1 {unknown namespace "::test_ns_foo" in namespace delete command}}

test namespace-25.1 {NamespaceEvalCmd, bad args} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    list [catch {namespace eval} msg] $msg
} {1 {wrong # args: should be "namespace eval name arg ?arg...?"}}
test namespace-25.2 {NamespaceEvalCmd, bad args} -body {
    namespace test_ns_1
} -returnCodes error -match glob -result {unknown or ambiguous subcommand "test_ns_1": must be *}
catch {unset v}
test namespace-25.3 {NamespaceEvalCmd, new namespace} {
    set v 123
    namespace eval test_ns_1 {
        variable v 314159
        proc p {} {
            variable v
            return $v
        }
    }
    test_ns_1::p
} {314159}
test namespace-25.4 {NamespaceEvalCmd, existing namespace} {
    namespace eval test_ns_1 {
        proc q {} {return [expr {[p]+1}]}
    }
    test_ns_1::q
} {314160}
test namespace-25.5 {NamespaceEvalCmd, multiple args} {
    namespace eval test_ns_1 "set" "v"
} {314159}
test namespace-25.6 {NamespaceEvalCmd, error in eval'd script} {
    list [catch {namespace eval test_ns_1 {xxxx}} msg] $msg $::errorInfo
} {1 {invalid command name "xxxx"} {invalid command name "xxxx"
    while executing
"xxxx"
    (in namespace eval "::test_ns_1" script line 1)
    invoked from within
"namespace eval test_ns_1 {xxxx}"}}
test namespace-25.7 {NamespaceEvalCmd, error in eval'd script} {
    list [catch {namespace eval test_ns_1 {error foo bar baz}} msg] $msg $::errorInfo
} {1 foo {bar
    (in namespace eval "::test_ns_1" script line 1)
    invoked from within
"namespace eval test_ns_1 {error foo bar baz}"}}
test namespace-25.8 {NamespaceEvalCmd, error in eval'd script} {
    list [catch {namespace eval test_ns_1 error foo bar baz} msg] $msg $::errorInfo
} {1 foo {bar
    (in namespace eval "::test_ns_1" script line 1)
    invoked from within
"namespace eval test_ns_1 error foo bar baz"}}
catch {unset v}
test namespace-25.9 {NamespaceEvalCmd, 545325} {
    namespace eval test_ns_1 info level 0
} {namespace eval test_ns_1 info level 0}

test namespace-26.1 {NamespaceExportCmd, no args and new ns} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace export
} {}
test namespace-26.2 {NamespaceExportCmd, just -clear arg} {
    namespace export -clear
} {}
test namespace-26.3 {NamespaceExportCmd, pattern can't specify a namespace} {
    namespace eval test_ns_1 {
        list [catch {namespace export ::zzz} msg] $msg
    }
} {1 {invalid export pattern "::zzz": pattern can't specify a namespace}}
test namespace-26.4 {NamespaceExportCmd, one pattern} {
    namespace eval test_ns_1 {
        namespace export cmd1
        proc cmd1 {args} {return "cmd1: $args"}
        proc cmd2 {args} {return "cmd2: $args"}
        proc cmd3 {args} {return "cmd3: $args"}
        proc cmd4 {args} {return "cmd4: $args"}
    }
    namespace eval test_ns_2 {
        namespace import ::test_ns_1::*
    }
    list [info commands test_ns_2::*] [test_ns_2::cmd1 hello]
} {::test_ns_2::cmd1 {cmd1: hello}}
test namespace-26.5 {NamespaceExportCmd, sequence of patterns, patterns accumulate} {
    namespace eval test_ns_1 {
        namespace export cmd1 cmd3
    }
    namespace eval test_ns_2 {
        namespace import -force ::test_ns_1::*
    }
    list [lsort [info commands test_ns_2::*]] [test_ns_2::cmd3 hello]
} [list [lsort {::test_ns_2::cmd1 ::test_ns_2::cmd3}] {cmd3: hello}]
test namespace-26.6 {NamespaceExportCmd, no patterns means return uniq'ed export list} {
    namespace eval test_ns_1 {
        namespace export
    }
} {cmd1 cmd3}
test namespace-26.7 {NamespaceExportCmd, -clear resets export list} {
    namespace eval test_ns_1 {
        namespace export -clear cmd4
    }
    namespace eval test_ns_2 {
        namespace import ::test_ns_1::*
    }
    list [lsort [info commands test_ns_2::*]] [test_ns_2::cmd4 hello]
} [list [lsort {::test_ns_2::cmd4 ::test_ns_2::cmd1 ::test_ns_2::cmd3}] {cmd4: hello}]

test namespace-27.1 {NamespaceForgetCmd, no args} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace forget
} {}
test namespace-27.2 {NamespaceForgetCmd, args must be valid namespaces} {
    list [catch {namespace forget ::test_ns_1::xxx} msg] $msg
} {1 {unknown namespace in namespace forget pattern "::test_ns_1::xxx"}}
test namespace-27.3 {NamespaceForgetCmd, arg is forgotten} {
    namespace eval test_ns_1 {
        namespace export cmd*
        proc cmd1 {args} {return "cmd1: $args"}
        proc cmd2 {args} {return "cmd2: $args"}
    }
    namespace eval test_ns_2 {
        namespace import ::test_ns_1::*
        namespace forget ::test_ns_1::cmd1
    }
    info commands ::test_ns_2::*
} {::test_ns_2::cmd2}

test namespace-28.1 {NamespaceImportCmd, no args} -setup {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
} -body {
    namespace eval ::test_ns_1 {
	proc foo {} {}
	proc bar {} {}
	proc boo {} {}
	proc glorp {} {}
	namespace export foo b*
    }
    namespace eval ::test_ns_2 {
	namespace import ::test_ns_1::*
	lsort [namespace import]
    }
} -cleanup {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
} -result {bar boo foo}
test namespace-28.2 {NamespaceImportCmd, no args and just "-force"} {
    namespace import -force
} {}
test namespace-28.3 {NamespaceImportCmd, arg is imported} {
    namespace eval test_ns_1 {
        namespace export cmd2
        proc cmd1 {args} {return "cmd1: $args"}
        proc cmd2 {args} {return "cmd2: $args"}
    }
    namespace eval test_ns_2 {
        namespace import ::test_ns_1::*
        namespace forget ::test_ns_1::cmd1
    }
    info commands test_ns_2::*
} {::test_ns_2::cmd2}

test namespace-29.1 {NamespaceInscopeCmd, bad args} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    list [catch {namespace inscope} msg] $msg
} {1 {wrong # args: should be "namespace inscope name arg ?arg...?"}}
test namespace-29.2 {NamespaceInscopeCmd, bad args} {
    list [catch {namespace inscope ::} msg] $msg
} {1 {wrong # args: should be "namespace inscope name arg ?arg...?"}}
test namespace-29.3 {NamespaceInscopeCmd, specified ns must exist} -body {
    namespace inscope test_ns_1 {set v}
} -returnCodes error -result {namespace "test_ns_1" not found in "::"}
test namespace-29.4 {NamespaceInscopeCmd, simple case} {
    namespace eval test_ns_1 {
        variable v 747
        proc cmd {args} {
            variable v
            return "[namespace current]::cmd: v=$v, args=$args"
        }
    }
    namespace inscope test_ns_1 cmd
} {::test_ns_1::cmd: v=747, args=}
test namespace-29.5 {NamespaceInscopeCmd, has lappend semantics} {
    list [namespace inscope test_ns_1 cmd x y z] \
         [namespace eval test_ns_1 [concat cmd [list x y z]]]
} {{::test_ns_1::cmd: v=747, args=x y z} {::test_ns_1::cmd: v=747, args=x y z}}
test namespace-29.6 {NamespaceInscopeCmd, 1400572} {
    namespace inscope test_ns_1 {info level 0}
} {namespace inscope test_ns_1 {info level 0}}


test namespace-30.1 {NamespaceOriginCmd, bad args} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    list [catch {namespace origin} msg] $msg
} {1 {wrong # args: should be "namespace origin name"}}
test namespace-30.2 {NamespaceOriginCmd, bad args} {
    list [catch {namespace origin x y} msg] $msg
} {1 {wrong # args: should be "namespace origin name"}}
test namespace-30.3 {NamespaceOriginCmd, command not found} {
    list [catch {namespace origin fred} msg] $msg
} {1 {invalid command name "fred"}}
test namespace-30.4 {NamespaceOriginCmd, command isn't imported} {
    namespace origin set
} {::set}
test namespace-30.5 {NamespaceOriginCmd, imported command} {
    namespace eval test_ns_1 {
        namespace export cmd*
        proc cmd1 {args} {return "cmd1: $args"}
        proc cmd2 {args} {return "cmd2: $args"}
    }
    namespace eval test_ns_2 {
        namespace export *
        namespace import ::test_ns_1::*
        proc p {} {}
    }
    namespace eval test_ns_3 {
        namespace import ::test_ns_2::*
        list [namespace origin foreach] \
             [namespace origin p] \
             [namespace origin cmd1] \
             [namespace origin ::test_ns_2::cmd2]
    }
} {::foreach ::test_ns_2::p ::test_ns_1::cmd1 ::test_ns_1::cmd2}

test namespace-31.1 {NamespaceParentCmd, bad args} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    list [catch {namespace parent a b} msg] $msg
} {1 {wrong # args: should be "namespace parent ?name?"}}
test namespace-31.2 {NamespaceParentCmd, no args} {
    namespace parent
} {}
test namespace-31.3 {NamespaceParentCmd, namespace specified} {
    namespace eval test_ns_1 {
        namespace eval test_ns_2 {
            namespace eval test_ns_3 {}
        }
    }
    list [namespace parent ::] \
         [namespace parent test_ns_1::test_ns_2] \
         [namespace eval test_ns_1::test_ns_2::test_ns_3 {namespace parent ::test_ns_1::test_ns_2}]
} {{} ::test_ns_1 ::test_ns_1}
test namespace-31.4 {NamespaceParentCmd, bad namespace specified} -body {
    namespace parent test_ns_1::test_ns_foo
} -returnCodes error -result {namespace "test_ns_1::test_ns_foo" not found in "::"}

test namespace-32.1 {NamespaceQualifiersCmd, bad args} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    list [catch {namespace qualifiers} msg] $msg
} {1 {wrong # args: should be "namespace qualifiers string"}}
test namespace-32.2 {NamespaceQualifiersCmd, bad args} {
    list [catch {namespace qualifiers x y} msg] $msg
} {1 {wrong # args: should be "namespace qualifiers string"}}
test namespace-32.3 {NamespaceQualifiersCmd, simple name} {
    namespace qualifiers foo
} {}
test namespace-32.4 {NamespaceQualifiersCmd, leading ::} {
    namespace qualifiers ::x::y::z
} {::x::y}
test namespace-32.5 {NamespaceQualifiersCmd, no leading ::} {
    namespace qualifiers a::b
} {a}
test namespace-32.6 {NamespaceQualifiersCmd, :: argument} {
    namespace qualifiers ::
} {}
test namespace-32.7 {NamespaceQualifiersCmd, odd number of :s} {
    namespace qualifiers :::::
} {}
test namespace-32.8 {NamespaceQualifiersCmd, odd number of :s} {
    namespace qualifiers foo:::
} {foo}

test namespace-33.1 {NamespaceTailCmd, bad args} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    list [catch {namespace tail} msg] $msg
} {1 {wrong # args: should be "namespace tail string"}}
test namespace-33.2 {NamespaceTailCmd, bad args} {
    list [catch {namespace tail x y} msg] $msg
} {1 {wrong # args: should be "namespace tail string"}}
test namespace-33.3 {NamespaceTailCmd, simple name} {
    namespace tail foo
} {foo}
test namespace-33.4 {NamespaceTailCmd, leading ::} {
    namespace tail ::x::y::z
} {z}
test namespace-33.5 {NamespaceTailCmd, no leading ::} {
    namespace tail a::b
} {b}
test namespace-33.6 {NamespaceTailCmd, :: argument} {
    namespace tail ::
} {}
test namespace-33.7 {NamespaceTailCmd, odd number of :s} {
    namespace tail :::::
} {}
test namespace-33.8 {NamespaceTailCmd, odd number of :s} {
    namespace tail foo:::
} {}

test namespace-34.1 {NamespaceWhichCmd, bad args} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    list [catch {namespace which} msg] $msg
} {1 {wrong # args: should be "namespace which ?-command? ?-variable? name"}}
test namespace-34.2 {NamespaceWhichCmd, bad args} {
    list [catch {namespace which -fred x} msg] $msg
} {1 {wrong # args: should be "namespace which ?-command? ?-variable? name"}}
test namespace-34.3 {NamespaceWhichCmd, single arg is always command name} {
    namespace which -command
} {}
test namespace-34.4 {NamespaceWhichCmd, bad args} {
    list [catch {namespace which a b} msg] $msg
} {1 {wrong # args: should be "namespace which ?-command? ?-variable? name"}}
test namespace-34.5 {NamespaceWhichCmd, command lookup} {
    namespace eval test_ns_1 {
        namespace export cmd*
        variable v1 111
        proc cmd1 {args} {return "cmd1: $args"}
        proc cmd2 {args} {return "cmd2: $args"}
    }
    namespace eval test_ns_2 {
        namespace export *
        namespace import ::test_ns_1::*
        variable v2 222
        proc p {} {}
    }
    namespace eval test_ns_3 {
        namespace import ::test_ns_2::*
        variable v3 333
        list [namespace which -command foreach] \
             [namespace which -command p] \
             [namespace which -command cmd1] \
             [namespace which -command ::test_ns_2::cmd2] \
             [catch {namespace which -command ::test_ns_2::noSuchCmd} msg] $msg
    }
} {::foreach ::test_ns_3::p ::test_ns_3::cmd1 ::test_ns_2::cmd2 0 {}}
test namespace-34.6 {NamespaceWhichCmd, -command is default} {
    namespace eval test_ns_3 {
        list [namespace which foreach] \
             [namespace which p] \
             [namespace which cmd1] \
             [namespace which ::test_ns_2::cmd2]
    }
} {::foreach ::test_ns_3::p ::test_ns_3::cmd1 ::test_ns_2::cmd2}
test namespace-34.7 {NamespaceWhichCmd, variable lookup} {
    namespace eval test_ns_3 {
        list [namespace which -variable env] \
             [namespace which -variable v3] \
             [namespace which -variable ::test_ns_2::v2] \
             [catch {namespace which -variable ::test_ns_2::noSuchVar} msg] $msg
    }
} {::env ::test_ns_3::v3 ::test_ns_2::v2 0 {}}

test namespace-35.1 {FreeNsNameInternalRep, resulting ref count > 0} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace eval test_ns_1 {
        proc p {} {
            namespace delete [namespace current]
            return [namespace current]
        }
    }
    test_ns_1::p
} {::test_ns_1}
test namespace-35.2 {FreeNsNameInternalRep, resulting ref count == 0} {
    namespace eval test_ns_1 {
        proc q {} {
            return [namespace current]
        }
    }
    list [test_ns_1::q] \
         [namespace delete test_ns_1] \
         [catch {test_ns_1::q} msg] $msg
} {::test_ns_1 {} 1 {invalid command name "test_ns_1::q"}}

catch {unset x}
catch {unset y}
test namespace-36.1 {DupNsNameInternalRep} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace eval test_ns_1 {}
    set x "::test_ns_1"
    list [namespace parent $x] [set y $x] [namespace parent $y]
} {:: ::test_ns_1 ::}
catch {unset x}
catch {unset y}

test namespace-37.1 {SetNsNameFromAny, ns name found} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace eval test_ns_1::test_ns_2 {}
    namespace eval test_ns_1 {
        namespace children ::test_ns_1
    }
} {::test_ns_1::test_ns_2}
test namespace-37.2 {SetNsNameFromAny, ns name not found} -body {
    namespace eval test_ns_1 {
        namespace children ::test_ns_1::test_ns_foo
    }
} -returnCodes error -result {namespace "::test_ns_1::test_ns_foo" not found}

test namespace-38.1 {UpdateStringOfNsName} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    ;# Tcl_NamespaceObjCmd calls UpdateStringOfNsName to get subcmd name
    list [namespace eval {} {namespace current}] \
         [namespace eval {} {namespace current}]
} {:: ::}

test namespace-39.1 {NamespaceExistsCmd} {
    catch {namespace delete {*}[namespace children :: test_ns_*]}
    namespace eval ::test_ns_z::test_me { variable foo }
    list [namespace exists ::] \
	    [namespace exists ::bogus_namespace] \
	    [namespace exists ::test_ns_z] \
	    [namespace exists test_ns_z] \
	    [namespace exists ::test_ns_z::foo] \
	    [namespace exists ::test_ns_z::test_me] \
	    [namespace eval ::test_ns_z { namespace exists ::test_me }] \
	    [namespace eval ::test_ns_z { namespace exists test_me }] \
	    [namespace exists :::::test_ns_z]
} {1 0 1 1 0 1 0 1 1}
test namespace-39.2 {NamespaceExistsCmd error} {
    list [catch {namespace exists} msg] $msg
} {1 {wrong # args: should be "namespace exists name"}}
test namespace-39.3 {NamespaceExistsCmd error} {
    list [catch {namespace exists a b} msg] $msg
} {1 {wrong # args: should be "namespace exists name"}}

test namespace-40.1 {Ignoring namespace proc "unknown"} -setup {
    rename unknown _unknown
} -body {
    proc unknown args {return global}
    namespace eval ns {proc unknown args {return local}}
    list [namespace eval ns aaa bbb] [namespace eval ns aaa]
} -cleanup {
    rename unknown {}   
    rename _unknown unknown
    namespace delete ns
} -result {global global}

test namespace-41.1 {Shadowing byte-compiled commands, Bug: 231259} {
    set res {}
    namespace eval ns {
	set res {}
	proc test {} {
	    set ::g 0
	}  
	lappend ::res [test]
	proc set {a b} {
	    ::set a [incr b]
	}
	lappend ::res [test]
    }
    namespace delete ns
    set res
} {0 1}
test namespace-41.2 {Shadowing byte-compiled commands, Bug: 231259} {
    set res {}
    namespace eval ns {}
    proc ns::a {i} {
	variable b
	proc set args {return "New proc is called"}
	return [set b $i]
    }
    ns::a 1
    set res [ns::a 2]
    namespace delete ns
    set res
} {New proc is called}
test namespace-41.3 {Shadowing byte-compiled commands, Bugs: 231259, 729692} {
    set res {}
    namespace eval ns {
	variable b 0
    }
    proc ns::a {i} {
	variable b
	proc set args {return "New proc is called"}
	return [set b $i]
    }
    set res [list [ns::a 1] $ns::b]
    namespace delete ns
    set res
} {{New proc is called} 0}

# Ensembles (TIP#112)

test namespace-42.1 {ensembles: basic} {
    namespace eval ns {
	namespace export x
	proc x {} {format 1}
	namespace ensemble create
    }
    list [info command ns] [ns x] [namespace delete ns] [info command ns]
} {ns 1 {} {}}
test namespace-42.2 {ensembles: basic} {
    namespace eval ns {
	namespace export x
	proc x {} {format 1}
	namespace ensemble create
    }
    rename ns foo
    list [info command foo] [foo x] [namespace delete ns] [info command foo]
} {foo 1 {} {}}
test namespace-42.3 {ensembles: basic} {
    namespace eval ns {
	namespace export x*
	proc x1 {} {format 1}
	proc x2 {} {format 2}
	namespace ensemble create
    }
    set result [list [ns x1] [ns x2]]
    lappend result [catch {ns x} msg] $msg
    rename ns {}
    lappend result [info command ns::x1]
    namespace delete ns
    lappend result [info command ns::x1]
} {1 2 1 {unknown or ambiguous subcommand "x": must be x1, or x2} ::ns::x1 {}}
test namespace-42.4 {ensembles: basic} -body {
    namespace eval ns {
	namespace export y*
	proc x1 {} {format 1}
	proc x2 {} {format 2}
	namespace ensemble create
    }
    list [catch {ns x} msg] $msg
} -cleanup {
    namespace delete ns
} -result {1 {unknown subcommand "x": namespace ::ns does not export any commands}}
test namespace-42.5 {ensembles: basic} -body {
    namespace eval ns {
	namespace export x*
	proc x1 {} {format 1}
	proc x2 {} {format 2}
	proc x3 {} {format 3}
	namespace ensemble create
    }
    list [catch {ns x} msg] $msg
} -cleanup {
    namespace delete ns
} -result {1 {unknown or ambiguous subcommand "x": must be x1, x2, or x3}}
test namespace-42.6 {ensembles: nested} -body {
    namespace eval ns {
	namespace export x*
	namespace eval x0 {
	    proc z {} {format 0}
	    namespace export z
	    namespace ensemble create
	}
	proc x1 {} {format 1}
	proc x2 {} {format 2}
	proc x3 {} {format 3}
	namespace ensemble create
    }
    list [ns x0 z] [ns x1] [ns x2] [ns x3]
} -cleanup {
    namespace delete ns
} -result {0 1 2 3}
test namespace-42.7 {ensembles: nested} -body {
    namespace eval ns {
	namespace export x*
	namespace eval x0 {
	    proc z {} {list [info level] [info level 1]}
	    namespace export z
	    namespace ensemble create
	}
	proc x1 {} {format 1}
	proc x2 {} {format 2}
	proc x3 {} {format 3}
	namespace ensemble create
    }
    list [ns x0 z] [ns x1] [ns x2] [ns x3]
} -cleanup {
    namespace delete ns
} -result {{1 ::ns::x0::z} 1 2 3}
test namespace-42.8 {ensembles: [Bug 1670091]} -setup {
    proc demo args {}
    variable target [list [namespace which demo] x]
    proc trial args {variable target; string length $target}
    trace add execution demo enter [namespace code trial]
    namespace ensemble create -command foo -map [list bar $target]
} -body {
    foo bar
} -cleanup {
    unset target
    rename demo {}
    rename trial {}
    rename foo {}
} -result {}

test namespace-43.1 {ensembles: dict-driven} {
    namespace eval ns {
	namespace export x*
	proc x1 {} {format 1}
	proc x2 {} {format 2}
	namespace ensemble create -map {a x1 b x2}
    }
    set result [list [catch {ns c} msg] $msg [namespace ensemble exists ns]]
    rename ns {}
    lappend result [namespace ensemble exists ns]
} {1 {unknown or ambiguous subcommand "c": must be a, or b} 1 0}
test namespace-43.2 {ensembles: dict-driven} -body {
    namespace eval ns {
	namespace export x*
	proc x1 {args} {list 1 $args}
	proc x2 {args} {list 2 [llength $args]}
	namespace ensemble create -map {
	    a ::ns::x1 b ::ns::x2 c {::ns::x1 .} d {::ns::x2 .}
	}
    }
    list [ns a] [ns b] [ns c] [ns c foo] [ns d] [ns d foo]
} -cleanup {
    namespace delete ns
} -result {{1 {}} {2 0} {1 .} {1 {. foo}} {2 1} {2 2}}
set SETUP {
    namespace eval ns {
	namespace export a b
	proc a args {format 1,[llength $args]}
	proc b args {format 2,[llength $args]}
	proc c args {format 3,[llength $args]}
	proc d args {format 4,[llength $args]}
	namespace ensemble create -subcommands {b c}
    }
}
test namespace-43.3 {ensembles: list-driven} -setup $SETUP -body {
    namespace delete ns
} -result {}
test namespace-43.4 {ensembles: list-driven} -setup $SETUP -body {
    ns a foo bar boo spong wibble
} -cleanup {namespace delete ns} -returnCodes error -result {unknown or ambiguous subcommand "a": must be b, or c}
test namespace-43.5 {ensembles: list-driven} -setup $SETUP -body {
    ns b foo bar boo spong wibble
} -cleanup {namespace delete ns} -result 2,5
test namespace-43.6 {ensembles: list-driven} -setup $SETUP -body {
    ns c foo bar boo spong wibble
} -cleanup {namespace delete ns} -result 3,5
test namespace-43.7 {ensembles: list-driven} -setup $SETUP -body {
    ns d foo bar boo spong wibble
} -cleanup {namespace delete ns} -returnCodes error -result {unknown or ambiguous subcommand "d": must be b, or c}
set SETUP {
    namespace eval ns {
	namespace export a b
	proc a args {format 1,[llength $args]}
	proc b args {format 2,[llength $args]}
	proc c args {format 3,[llength $args]}
	proc d args {format 4,[llength $args]}
	namespace ensemble create -subcommands {b c} -map {c ::ns::d}
    }
}
test namespace-43.8 {ensembles: list-and-map-driven} -setup $SETUP -body {
    namespace delete ns
} -result {}
test namespace-43.9 {ensembles: list-and-map-driven} -setup $SETUP -body {
    ns a foo bar boo spong wibble
} -cleanup {namespace delete ns} -returnCodes error -result {unknown or ambiguous subcommand "a": must be b, or c}
test namespace-43.10 {ensembles: list-and-map-driven} -setup $SETUP -body {
    ns b foo bar boo spong wibble
} -cleanup {namespace delete ns} -result 2,5
test namespace-43.11 {ensembles: list-and-map-driven} -setup $SETUP -body {
    ns c foo bar boo spong wibble
} -cleanup {namespace delete ns} -result 4,5
test namespace-43.12 {ensembles: list-and-map-driven} -setup $SETUP -body {
    ns d foo bar boo spong wibble
} -cleanup {namespace delete ns} -returnCodes error -result {unknown or ambiguous subcommand "d": must be b, or c}
set SETUP {
    namespace eval ns {
	namespace export *
	proc foo args {format bar}
	proc spong args {format wibble}
	namespace ensemble create -prefixes off
    }
}
test namespace-43.13 {ensembles: turn off prefixes} -setup $SETUP -body {
    namespace delete ns
} -result {}
test namespace-43.14 {ensembles: turn off prefixes} -setup $SETUP -body {
    ns fo
} -cleanup {namespace delete ns} -returnCodes error -result {unknown subcommand "fo": must be foo, or spong}
test namespace-43.15 {ensembles: turn off prefixes} -setup $SETUP -body {
    ns foo
} -cleanup {namespace delete ns} -result bar
test namespace-43.16 {ensembles: turn off prefixes} -setup $SETUP -body {
    ns s
} -cleanup {namespace delete ns} -returnCodes error -result {unknown subcommand "s": must be foo, or spong}
test namespace-43.17 {ensembles: turn off prefixes} -setup $SETUP -body {
    ns spong
} -cleanup {namespace delete ns} -result wibble

test namespace-44.1 {ensemble: errors} {
    list [catch {namespace ensemble} msg] $msg
} {1 {wrong # args: should be "namespace ensemble subcommand ?arg ...?"}}
test namespace-44.2 {ensemble: errors} {
    list [catch {namespace ensemble ?} msg] $msg
} {1 {bad subcommand "?": must be configure, create, or exists}}
test namespace-44.3 {ensemble: errors} {
    namespace eval ns {
	list [catch {namespace ensemble create -map x} msg] $msg
    }
} {1 {missing value to go with key}}
test namespace-44.4 {ensemble: errors} {
    namespace eval ns {
	list [catch {namespace ensemble create -map {x {}}} msg] $msg
    }
} {1 {ensemble subcommand implementations must be non-empty lists}}
test namespace-44.5 {ensemble: errors} -setup {
    namespace ensemble create -command foobar -subcommands {foobarcget foobarconfigure}
} -body {
    foobar foobarcon
} -cleanup {
    rename foobar {}
} -returnCodes error -result {invalid command name "::foobarconfigure"}
test namespace-44.6 {ensemble: errors} -returnCodes error -body {
    namespace ensemble create gorp
} -result {wrong # args: should be "namespace ensemble create ?option value ...?"}

test namespace-45.1 {ensemble: introspection} {
    namespace eval ns {
	namespace export x
	proc x {} {}
	namespace ensemble create
	set ::result [namespace ensemble configure ::ns]
    }
    namespace delete ns
    set result
} {-map {} -namespace ::ns -parameters {} -prefixes 1 -subcommands {} -unknown {}}
test namespace-45.2 {ensemble: introspection} {
    namespace eval ns {
	namespace export x
	proc x {} {}
	namespace ensemble create -map {A x}
	set ::result [namespace ensemble configure ::ns -map]
    }
    namespace delete ns
    set result
} {A ::ns::x}

test namespace-46.1 {ensemble: modification} {
    namespace eval ns {
	namespace export x
	proc x {} {format 123}
	# Ensemble maps A->x
	namespace ensemble create -command ns -map {A ::ns::x}
	set ::result [list [namespace ensemble configure ns -map] [ns A]]
	# Ensemble maps B->x
	namespace ensemble configure ns -map {B ::ns::x}
	lappend ::result [namespace ensemble configure ns -map] [ns B]
	# Ensemble maps x->x
	namespace ensemble configure ns -map {}
	lappend ::result [namespace ensemble configure ns -map] [ns x]
    }
    namespace delete ns
    set result
} {{A ::ns::x} 123 {B ::ns::x} 123 {} 123}
test namespace-46.2 {ensemble: ensembles really use current export list} {
    namespace eval ns {
	namespace export x1
	proc x1 {} {format 1}
	proc x2 {} {format 1}
	namespace ensemble create
    }
    catch {ns ?} msg; set result [list $msg]
    namespace eval ns {namespace export x*}
    catch {ns ?} msg; lappend result $msg
    rename ns::x1 {}
    catch {ns ?} msg; lappend result $msg
    namespace delete ns
    set result
} {{unknown or ambiguous subcommand "?": must be x1} {unknown or ambiguous subcommand "?": must be x1, or x2} {unknown or ambiguous subcommand "?": must be x2}}
test namespace-46.3 {ensemble: implementation errors} {
    namespace eval ns {
	variable count 0
	namespace ensemble create -map {
	    a {::lappend ::result}
	    b {::incr ::ns::count}
	}
    }
    set result {}
    lappend result [catch { ns } msg] $msg
    ns a [ns b 10]
    catch {rename p {}}
    rename ns p
    p a [p b 3000]
    lappend result $ns::count
    namespace delete ns
    lappend result [info command p]
} {1 {wrong # args: should be "ns subcommand ?arg ...?"} 10 3010 3010 {}}
test namespace-46.4 {ensemble: implementation errors} {
    namespace eval ns {
	namespace ensemble create
    }
    set result [info command ns]
    lappend result [catch {ns ?} msg] $msg
    namespace delete ns
    set result
} {ns 1 {unknown subcommand "?": namespace ::ns does not export any commands}}
test namespace-46.5 {ensemble: implementation errors} {
    namespace eval ns {
	namespace ensemble create -map {makeError ::error}
    }
    list [catch {ns makeError "an error happened"} msg] $msg $::errorInfo [namespace delete ns]
} {1 {an error happened} {an error happened
    while executing
"ns makeError "an error happened""} {}}
test namespace-46.6 {ensemble: implementation renames/deletes itself} {
    namespace eval ns {
	namespace ensemble create -map {to ::rename}
    }
    ns to ns foo
    foo to foo bar
    bar to bar spong
    spong to spong {}
    namespace delete ns
} {}
test namespace-46.7 {ensemble: implementation deletes its namespace} {
    namespace eval ns {
	namespace ensemble create -map {kill {::namespace delete}}
    }
    ns kill ns
} {}
test namespace-46.8 {ensemble: implementation deletes its namespace} {
    namespace eval ns {
	namespace export *
	proc foo {} {
	    variable x 1
	    bar
	    # Tricky; what is the correct return value anyway?
	    info exist x
	}
	proc bar {} {
	    namespace delete [namespace current]
	}
	namespace ensemble create
    }
    list [ns foo] [info exist ns::x]
} {1 0}
test namespace-46.9 {ensemble: configuring really configures things} {
    namespace eval ns {
	namespace ensemble create -map {a a} -prefixes 0
    }
    set result [list [catch {ns x} msg] $msg]
    namespace ensemble configure ns -map {b b}
    lappend result [catch {ns x} msg] $msg
    namespace delete ns
    set result
} {1 {unknown subcommand "x": must be a} 1 {unknown subcommand "x": must be b}}

test namespace-47.1 {ensemble: unknown handler} {
    set log {}
    namespace eval ns {
	namespace export {[a-z]*}
	proc Magic {ensemble subcmd args} {
	    global log
	    if {[string match {[a-z]*} $subcmd]} {
		lappend log "making $subcmd"
		proc $subcmd args {
		    global log
		    lappend log "running [info level 0]"
		    llength $args
		}
	    } else {
		lappend log "unknown $subcmd - args = $args"
		return -code error \
			"unknown or protected subcommand \"$subcmd\""
	    }
	}
	namespace ensemble create -unknown ::ns::Magic
    }
    set result {}
    lappend result [catch {ns a b c} msg] $msg
    lappend result [catch {ns a b c} msg] $msg
    lappend result [catch {ns b c d} msg] $msg
    lappend result [catch {ns c d e} msg] $msg
    lappend result [catch {ns Magic foo bar spong wibble} msg] $msg
    list $result [lsort [info commands ::ns::*]] $log [namespace delete ns]
} {{0 2 0 2 0 2 0 2 1 {unknown or protected subcommand "Magic"}} {::ns::Magic ::ns::a ::ns::b ::ns::c} {{making a} {running ::ns::a b c} {running ::ns::a b c} {making b} {running ::ns::b c d} {making c} {running ::ns::c d e} {unknown Magic - args = foo bar spong wibble}} {}}
test namespace-47.2 {ensemble: unknown handler} {
    namespace eval ns {
	namespace export {[a-z]*}
	proc Magic {ensemble subcmd args} {
	    error foobar
	}
	namespace ensemble create -unknown ::ns::Magic
    }
    list [catch {ns spong} msg] $msg $::errorInfo [namespace delete ns]
} {1 foobar {foobar
    while executing
"error foobar"
    (procedure "::ns::Magic" line 2)
    invoked from within
"::ns::Magic ::ns spong"
    (ensemble unknown subcommand handler)
    invoked from within
"ns spong"} {}}
test namespace-47.3 {ensemble: unknown handler} {
    namespace eval ns {
	variable count 0
	namespace export {[a-z]*}
	proc a {} {}
	proc c {} {}
	proc Magic {ensemble subcmd args} {
	    variable count
	    incr count
	    proc b {} {}
	}
	namespace ensemble create -unknown ::ns::Magic
    }
    list [catch {ns spong} msg] $msg $ns::count [namespace delete ns]
} {1 {unknown or ambiguous subcommand "spong": must be a, b, or c} 1 {}}
test namespace-47.4 {ensemble: unknown handler} {
    namespace eval ns {
	namespace export {[a-z]*}
	proc Magic {ensemble subcmd args} {
	    return -code break
	}
	namespace ensemble create -unknown ::ns::Magic
    }
    list [catch {ns spong} msg] $msg $::errorInfo [namespace delete ns]
} {1 {unknown subcommand handler returned bad code: break} {unknown subcommand handler returned bad code: break
    result of ensemble unknown subcommand handler: ::ns::Magic ::ns spong
    invoked from within
"ns spong"} {}}
test namespace-47.5 {ensemble: unknown handler} {
    namespace ensemble create -command foo -unknown bar
    proc bar {args} {
	global result target
	lappend result "LOG $args"
	return $target
    }
    set result {}
    set target {}
    lappend result [catch {foo bar} msg] $msg
    set target {lappend result boo hoo}
    lappend result [catch {foo bar} msg] $msg [namespace ensemble config foo]
    rename foo {}
    set result
} {{LOG ::foo bar} 1 {unknown subcommand "bar": namespace :: does not export any commands} {LOG ::foo bar} boo hoo 0 {{LOG ::foo bar} 1 {unknown subcommand "bar": namespace :: does not export any commands} {LOG ::foo bar} boo hoo} {-map {} -namespace :: -parameters {} -prefixes 1 -subcommands {} -unknown bar}}
test namespace-47.6 {ensemble: unknown handler} {
    namespace ensemble create -command foo -unknown bar
    proc bar {args} {
	return "\{"
    }
    set result [list [catch {foo bar} msg] $msg $::errorInfo]
    rename foo {}
    set result
} {1 {unmatched open brace in list} {unmatched open brace in list
    while parsing result of ensemble unknown subcommand handler
    invoked from within
"foo bar"}}
test namespace-47.7 {ensemble: unknown handler, commands with spaces} {
    namespace ensemble create -command foo -unknown bar
    proc bar {args} {
	list ::set ::x [join $args |]
    }
    set result [foo {one two three}]
    rename foo {}
    set result
} {::foo|one two three}
test namespace-47.8 {ensemble: unknown handler, commands with spaces} {
    namespace ensemble create -command foo -unknown {bar boo}
    proc bar {args} {
	list ::set ::x [join $args |]
    }
    set result [foo {one two three}]
    rename foo {}
    set result
} {boo|::foo|one two three}

test namespace-48.1 {ensembles and namespace import: unknown handler} {
    namespace eval foo {
	namespace export bar
	namespace ensemble create -command bar -unknown ::foo::u -subcomm x
	proc u {ens args} {
	    global result
	    lappend result $ens $args
	    namespace ensemble config $ens -subcommand {x y}
	}
	proc u2 {ens args} {
	    global result
	    lappend result $ens $args
	    namespace ensemble config ::bar -subcommand {x y z}
	}
	proc x args {
	    global result
	    lappend result XXX $args
	}
	proc y args {
	    global result
	    lappend result YYY $args
	}
	proc z args {
	    global result
	    lappend result ZZZ $args
	}
    }
    namespace import -force foo::bar
    set result [list [namespace ensemble config bar]]
    bar x 123
    bar y 456
    namespace ensemble config bar -unknown ::foo::u2
    bar z 789
    namespace delete foo
    set result
} {{-map {} -namespace ::foo -parameters {} -prefixes 1 -subcommands x -unknown ::foo::u} XXX 123 ::foo::bar {y 456} YYY 456 ::foo::bar {z 789} ZZZ 789}
test namespace-48.2 {ensembles and namespace import: exists} {
    namespace eval foo {
	namespace ensemble create -command ::foo::bar
	namespace export bar
    }
    set result     [namespace ensemble exist foo::bar]
    lappend result [namespace ensemble exist bar]
    namespace import foo::bar
    lappend result [namespace ensemble exist bar]
    rename foo::bar foo::bar2
    lappend result [namespace ensemble exist bar] \
	    [namespace ensemble exist spong]
    rename bar spong
    lappend result [namespace ensemble exist bar] \
	    [namespace ensemble exist spong]
    rename foo::bar2 {}
    lappend result [namespace ensemble exist spong]
    namespace delete foo
    set result
} {1 0 1 1 0 0 1 0}
test namespace-48.3 {ensembles and namespace import: config} {
    catch {rename spong {}}
    namespace eval foo {
	namespace ensemble create -command ::foo::bar
	namespace export bar boo
	proc boo {} {}
    }
    namespace import foo::bar foo::boo
    set result [namespace ensemble config bar -namespace]
    lappend result [catch {namespace ensemble config boo} msg] $msg
    lappend result [catch {namespace ensemble config spong} msg] $msg
    namespace delete foo
    set result
} {::foo 1 {"boo" is not an ensemble command} 1 {unknown command "spong"}}

test namespace-49.1 {ensemble subcommand caching} -body {
    namespace ens cre -command a -map {b {lappend result 1}}
    namespace ens cre -command c -map {b {lappend result 2}}
    proc x {} {a b; c b; a b; c b}
    x
} -result {1 2 1 2} -cleanup {
    rename a {}
    rename c {}
    rename x {}
}
test namespace-49.2 {strange delete crash} -body {
    namespace eval foo {namespace ensemble create -command ::bar}
    trace add command ::bar delete DeleteTrace
    proc DeleteTrace {old new op} {
	trace remove command ::bar delete DeleteTrace
	rename $old ""
	# This next line caused a bus error in [Bug 1220058]
	namespace delete foo
    }
    rename ::bar ""
} -result "" -cleanup {
    rename DeleteTrace ""
}

test namespace-50.1 {ensembles affect proc arguments error messages} -body {
    namespace ens cre -command a -map {b {bb foo}}
    proc bb {c d {e f} args} {list $c $args}
    a b
} -returnCodes error -result "wrong # args: should be \"a b d ?e? ?arg ...?\"" -cleanup {
    rename a {}
    rename bb {}
}
test namespace-50.2 {ensembles affect WrongNumArgs error messages} -body {
    namespace ens cre -command a -map {b {string is}}
    a b boolean
} -returnCodes error -result "wrong # args: should be \"a b class ?-strict? ?-failindex var? str\"" -cleanup {
    rename a {}
}
test namespace-50.3 {chained ensembles affect error messages} -body {
    namespace ens cre -command a -map {b c}
    namespace ens cre -command c -map {d e}
    proc e f {}
    a b d
} -returnCodes error -result "wrong # args: should be \"a b d f\"" -cleanup {
    rename a {}
    rename c {}
}
test namespace-50.4 {chained ensembles affect error messages} -body {
    namespace ens cre -command a -map {b {c d}}
    namespace ens cre -command c -map {d {e f}}
    proc e f {}
    a b d
} -returnCodes error -result "wrong # args: should be \"a b\"" -cleanup {
    rename a {}
    rename c {}
}

test namespace-51.1 {name resolution path control} -body {
    namespace eval ::test_ns_1 {
	namespace eval test_ns_2 {
	    proc pathtestA {} {
		::return [pathtestB],[pathtestC],[pathtestD],[namespace path]
	    }
	    proc pathtestC {} {
		::return 2
	    }
	}
	proc pathtestB {} {
	    return 1
	}
	proc pathtestC {} {
	    return 1
	}
	namespace path ::test_ns_1
    }
    proc ::pathtestB {} {
	return global
    }
    proc ::pathtestD {} {
	return global
    }
    test_ns_1::test_ns_2::pathtestA
} -result "global,2,global," -cleanup {
    namespace delete ::test_ns_1
    catch {rename ::pathtestB {}}
    catch {rename ::pathtestD {}}
}
test namespace-51.2 {name resolution path control} -body {
    namespace eval ::test_ns_1 {
	namespace eval test_ns_2 {
	    namespace path ::test_ns_1
	    proc pathtestA {} {
		::return [pathtestB],[pathtestC],[pathtestD],[namespace path]
	    }
	    proc pathtestC {} {
		::return 2
	    }
	}
	proc pathtestB {} {
	    return 1
	}
	proc pathtestC {} {
	    return 1
	}
    }
    proc ::pathtestB {} {
	return global
    }
    proc ::pathtestD {} {
	return global
    }
    ::test_ns_1::test_ns_2::pathtestA
} -result "1,2,global,::test_ns_1" -cleanup {
    namespace delete ::test_ns_1
    catch {rename ::pathtestB {}}
    catch {rename ::pathtestD {}}
}
test namespace-51.3 {name resolution path control} -body {
    namespace eval ::test_ns_1 {
	namespace eval test_ns_2 {
	    proc pathtestA {} {
		::return [pathtestB],[pathtestC],[pathtestD],[namespace path]
	    }
	    proc pathtestC {} {
		::return 2
	    }
	}
	proc pathtestB {} {
	    return 1
	}
	proc pathtestC {} {
	    return 1
	}
    }
    proc ::pathtestB {} {
	return global
    }
    proc ::pathtestD {} {
	return global
    }
    set result [::test_ns_1::test_ns_2::pathtestA]
    namespace eval ::test_ns_1::test_ns_2 {
	namespace path ::test_ns_1
    }
    lappend result [::test_ns_1::test_ns_2::pathtestA]
    rename ::test_ns_1::pathtestB {}
    lappend result [::test_ns_1::test_ns_2::pathtestA]
} -result "global,2,global, 1,2,global,::test_ns_1 global,2,global,::test_ns_1" -cleanup {
    namespace delete ::test_ns_1
    catch {rename ::pathtestB {}}
    catch {rename ::pathtestD {}}
}
test namespace-51.4 {name resolution path control} -body {
    namespace eval ::test_ns_1 {
	namespace eval test_ns_2 {
	    proc pathtestA {} {
		::return [pathtestB],[pathtestC],[pathtestD],[namespace path]
	    }
	    proc pathtestC {} {
		::return 2
	    }
	}
	proc pathtestB {} {
	    return 1
	}
	proc pathtestC {} {
	    return 1
	}
    }
    proc ::pathtestB {} {
	return global
    }
    proc ::pathtestD {} {
	return global
    }
    set result [::test_ns_1::test_ns_2::pathtestA]
    namespace eval ::test_ns_1::test_ns_2 {
	namespace path ::test_ns_1
    }
    lappend result [::test_ns_1::test_ns_2::pathtestA]
    namespace eval ::test_ns_1::test_ns_2 {
	namespace path {}
    }
    lappend result [::test_ns_1::test_ns_2::pathtestA]
} -result "global,2,global, 1,2,global,::test_ns_1 global,2,global," -cleanup {
    namespace delete ::test_ns_1
    catch {rename ::pathtestB {}}
    catch {rename ::pathtestD {}}
}
test namespace-51.5 {name resolution path control} -body {
    namespace eval ::test_ns_1 {
	namespace eval test_ns_2 {
	    proc pathtestA {} {
		::return [pathtestB],[pathtestC],[pathtestD],[namespace path]
	    }
	    proc pathtestC {} {
		::return 2
	    }
	    namespace path ::test_ns_1
	}
	proc pathtestB {} {
	    return 1
	}
	proc pathtestC {} {
	    return 1
	}
	proc pathtestD {} {
	    return 1
	}
    }
    proc ::pathtestB {} {
	return global
    }
    proc ::pathtestD {} {
	return global
    }
    set result [::test_ns_1::test_ns_2::pathtestA]
    namespace eval ::test_ns_1::test_ns_2 {
	namespace path {:: ::test_ns_1}
    }
    lappend result [::test_ns_1::test_ns_2::pathtestA]
    rename ::test_ns_1::test_ns_2::pathtestC {}
    lappend result [::test_ns_1::test_ns_2::pathtestA]
} -result "1,2,1,::test_ns_1 {global,2,global,:: ::test_ns_1} {global,1,global,:: ::test_ns_1}" -cleanup {
    namespace delete ::test_ns_1
    catch {rename ::pathtestB {}}
    catch {rename ::pathtestD {}}
}
test namespace-51.6 {name resolution path control} -body {
    namespace eval ::test_ns_1 {
	namespace eval test_ns_2 {
	    proc pathtestA {} {
		::return [pathtestB],[pathtestC],[pathtestD],[namespace path]
	    }
	    proc pathtestC {} {
		::return 2
	    }
	    namespace path ::test_ns_1
	}
	proc pathtestB {} {
	    return 1
	}
	proc pathtestC {} {
	    return 1
	}
	proc pathtestD {} {
	    return 1
	}
    }
    proc ::pathtestB {} {
	return global
    }
    proc ::pathtestD {} {
	return global
    }
    set result [::test_ns_1::test_ns_2::pathtestA]
    namespace eval ::test_ns_1::test_ns_2 {
	namespace path {:: ::test_ns_1}
    }
    lappend result [::test_ns_1::test_ns_2::pathtestA]
    rename ::test_ns_1::test_ns_2::pathtestC {}
    lappend result [::test_ns_1::test_ns_2::pathtestA]
    proc ::pathtestC {} {
	return global
    }
    lappend result [::test_ns_1::test_ns_2::pathtestA]
} -result "1,2,1,::test_ns_1 {global,2,global,:: ::test_ns_1} {global,1,global,:: ::test_ns_1} {global,global,global,:: ::test_ns_1}" -cleanup {
    namespace delete ::test_ns_1
    catch {rename ::pathtestB {}}
    catch {rename ::pathtestD {}}
}
test namespace-51.7 {name resolution path control} -body {
    namespace eval ::test_ns_1 {
    }
    namespace eval ::test_ns_2 {
	namespace path ::test_ns_1
	proc getpath {} {namespace path}
    }
    list [::test_ns_2::getpath] [namespace delete ::test_ns_1] [::test_ns_2::getpath]
} -result {::test_ns_1 {} {}} -cleanup {
    catch {namespace delete ::test_ns_1}
    namespace delete ::test_ns_2
}
test namespace-51.8 {name resolution path control} -body {
    namespace eval ::test_ns_1 {
    }
    namespace eval ::test_ns_2 {
    }
    namespace eval ::test_ns_3 {
    }
    namespace eval ::test_ns_4 {
	namespace path {::test_ns_1 ::test_ns_2 ::test_ns_3}
	proc getpath {} {namespace path}
    }
    list [::test_ns_4::getpath] [namespace delete ::test_ns_2] [::test_ns_4::getpath]
} -result {{::test_ns_1 ::test_ns_2 ::test_ns_3} {} {::test_ns_1 ::test_ns_3}} -cleanup {
    catch {namespace delete ::test_ns_1}
    catch {namespace delete ::test_ns_2}
    catch {namespace delete ::test_ns_3}
    catch {namespace delete ::test_ns_4}
}
test namespace-51.9 {name resolution path control} -body {
    namespace eval ::test_ns_1 {
    }
    namespace eval ::test_ns_2 {
    }
    namespace eval ::test_ns_3 {
    }
    namespace eval ::test_ns_4 {
	namespace path {::test_ns_1 ::test_ns_2 ::test_ns_3}
	proc getpath {} {namespace path}
    }
    list [::test_ns_4::getpath] [namespace delete ::test_ns_2] [namespace eval ::test_ns_2 {}] [::test_ns_4::getpath]
} -result {{::test_ns_1 ::test_ns_2 ::test_ns_3} {} {} {::test_ns_1 ::test_ns_3}} -cleanup {
    catch {namespace delete ::test_ns_1}
    catch {namespace delete ::test_ns_2}
    catch {namespace delete ::test_ns_3}
    catch {namespace delete ::test_ns_4}
}
test namespace-51.10 {name resolution path control} -body {
    namespace eval ::test_ns_1 {
	namespace path does::not::exist
    }
} -returnCodes error -result {namespace "does::not::exist" not found in "::test_ns_1"} -cleanup {
    catch {namespace delete ::test_ns_1}
}
test namespace-51.11 {name resolution path control} -body {
    namespace eval ::test_ns_1 {
	proc foo {} {return 1}
    }
    namespace eval ::test_ns_2 {
	proc foo {} {return 2}
    }
    namespace eval ::test_ns_3 {
	namespace path ::test_ns_1
    }
    namespace eval ::test_ns_4 {
	namespace path {::test_ns_3 ::test_ns_2}
	foo
    }
} -result 2 -cleanup {
    catch {namespace delete ::test_ns_1}
    catch {namespace delete ::test_ns_2}
    catch {namespace delete ::test_ns_3}
    catch {namespace delete ::test_ns_4}
}
test namespace-51.12 {name resolution path control} -body {
    namespace eval ::test_ns_1 {
	proc foo {} {return 1}
    }
    namespace eval ::test_ns_2 {
	proc foo {} {return 2}
    }
    namespace eval ::test_ns_3 {
	namespace path ::test_ns_1
    }
    namespace eval ::test_ns_4 {
	namespace path {::test_ns_3 ::test_ns_2}
	list [foo] [namespace delete ::test_ns_3] [foo]
    }
} -result {2 {} 2} -cleanup {
    catch {namespace delete ::test_ns_1}
    catch {namespace delete ::test_ns_2}
    catch {namespace delete ::test_ns_3}
    catch {namespace delete ::test_ns_4}
}
test namespace-51.13 {name resolution path control} -body {
    set ::result {}
    namespace eval ::test_ns_1 {
	proc foo {} {lappend ::result 1}
    }
    namespace eval ::test_ns_2 {
	proc foo {} {lappend ::result 2}
	trace add command foo delete "namespace eval ::test_ns_3 foo;#"
    }
    namespace eval ::test_ns_3 {
	proc foo {} {
	    lappend ::result 3
	    namespace delete [namespace current]
	    ::test_ns_4::bar
	}
    }
    namespace eval ::test_ns_4 {
	namespace path {::test_ns_2 ::test_ns_3 ::test_ns_1}
	proc bar {} {
	    list [foo] [namespace delete ::test_ns_2] [foo]
	}
	bar
    }
    # Should the result be "2 {} {2 3 2 1}" instead?
} -result {2 {} {2 3 1 1}} -cleanup {
    catch {namespace delete ::test_ns_1}
    catch {namespace delete ::test_ns_2}
    catch {namespace delete ::test_ns_3}
    catch {namespace delete ::test_ns_4}
}
test namespace-51.14 {name resolution path control} -setup {
    foreach cmd [info commands foo*] {
	rename $cmd {}
    }
    namespace eval ::test_ns_1 {}
    namespace eval ::test_ns_2 {}
    namespace eval ::test_ns_3 {}
} -body {
    proc foo0 {} {}
    proc ::test_ns_1::foo1 {} {}
    proc ::test_ns_2::foo2 {} {}
    namespace eval ::test_ns_3 {
	variable result {}
	lappend result [info commands foo*]
	namespace path {::test_ns_1 ::test_ns_2}
	lappend result [info commands foo*]
	proc foo2 {} {}
	lappend result [info commands foo*]
	rename foo2 {}
	lappend result [info commands foo*]
	namespace delete ::test_ns_1
	lappend result [info commands foo*]
    }
} -cleanup {
    catch {namespace delete ::test_ns_1}
    catch {namespace delete ::test_ns_2}
    catch {namespace delete ::test_ns_3}
} -result {foo0 {foo1 foo2 foo0} {foo2 foo1 foo0} {foo1 foo2 foo0} {foo2 foo0}}
test namespace-51.15 {namespace resolution path control} -body {
    namespace eval ::test_ns_2 {
	proc foo {} {return 2}
    }
    namespace eval ::test_ns_1 {
	namespace eval test_ns_2 {
	    proc foo {} {return 1_2}
	}
	namespace eval test_ns_3 {
	    namespace path ::test_ns_1
	    test_ns_2::foo
	}
    }
} -result 1_2 -cleanup {
    namespace delete ::test_ns_1
    namespace delete ::test_ns_2
}
test namespace-51.16 {Bug 1566526} {
    interp create slave
    slave eval namespace eval demo namespace path ::
    interp delete slave
} {}
test namespace-51.17 {resolution epoch handling: Bug 2898722} -setup {
    set result {}
    catch {namespace delete ::a}
} -constraints knownBug -body {
    namespace eval ::a {
	proc c {} {lappend ::result A}
	c
	namespace eval b {
	    variable d c
	    lappend ::result [catch { $d }]
	}
	lappend ::result .
	namespace eval b {
	    namespace path [namespace parent]
	    $d;[format %c 99]
	}
	lappend ::result .
	namespace eval b {
	    proc c {} {lappend ::result B}
	    $d;[format %c 99]
	}
	lappend ::result .
    }
    namespace eval ::a::b {
	$d;[format %c 99]
	lappend ::result .
	proc ::c {} {lappend ::result G}
	$d;[format %c 99]
	lappend ::result .
	rename ::a::c {}
	$d;[format %c 99]
	lappend ::result .
	rename ::a::b::c {}
	$d;[format %c 99]
    }
} -cleanup {
    namespace delete ::a
    catch {rename ::c {}}
    unset result
} -result {A 1 . A A . B B . B B . B B . B B . G G}
test namespace-51.18 {Bug 3185407} -setup {
    namespace eval ::test_ns_1 {}
} -body {
    namespace eval ::test_ns_1 {
	variable result {}
	namespace eval ns {proc foo {} {}}
	namespace eval ns2 {proc foo {} {}}
	namespace path {ns ns2}
	variable x foo
	lappend result [namespace which $x]
	proc foo {} {}
	lappend result [namespace which $x]
    }
} -cleanup {
    namespace delete ::test_ns_1
} -result {::test_ns_1::ns::foo ::test_ns_1::foo}

# TIP 181 - namespace unknown tests
test namespace-52.1 {unknown: default handler ::unknown} {
    set result [list [namespace eval foobar { namespace unknown }]]
    lappend result [namespace eval :: { namespace unknown }]
    namespace delete foobar
    set result
} {{} ::unknown}
test namespace-52.2 {unknown: default resolution global} {
    proc ::foo {} { return "GLOBAL" }
    namespace eval ::bar { proc foo {} { return "NAMESPACE" } }
    namespace eval ::bar::jim { proc test {} { foo } }
    set result [::bar::jim::test]
    namespace delete ::bar
    rename ::foo {}
    set result
} {GLOBAL}
test namespace-52.3 {unknown: default resolution local} {
    proc ::foo {} { return "GLOBAL" }
    namespace eval ::bar {
	proc foo {} { return "NAMESPACE" }
	proc test {} { foo }
    }
    set result [::bar::test]
    namespace delete ::bar
    rename ::foo {}
    set result
} {NAMESPACE}
test namespace-52.4 {unknown: set handler} {
    namespace eval foo {
	namespace unknown [list dispatch]
	proc dispatch {args} { return $args }
	proc test {} {
	    UnknownCmd a b c
	}
    }
    set result [foo::test]
    namespace delete foo
    set result
} {UnknownCmd a b c}
test namespace-52.5 {unknown: search path before unknown is unaltered} {
    proc ::test2 {args} { return "TEST2: $args" }
    namespace eval foo {
	namespace unknown [list dispatch]
	proc dispatch {args} { return "UNKNOWN: $args" }
	proc test1 {args} { return "TEST1: $args" }
	proc test {} {
	    set result [list [test1 a b c]]
	    lappend result [test2 a b c]
	    lappend result [test3 a b c]
	    return $result
	}
    }
    set result [foo::test]
    namespace delete foo
    rename ::test2 {}
    set result
} {{TEST1: a b c} {TEST2: a b c} {UNKNOWN: test3 a b c}}
test namespace-52.6 {unknown: deleting handler restores default} {
    rename ::unknown ::_unknown_orig
    proc ::unknown {args} { return "DEFAULT: $args" }
    namespace eval foo {
	namespace unknown dummy
	namespace unknown {}
    }
    set result [namespace eval foo { dummy a b c }]
    rename ::unknown {}
    rename ::_unknown_orig ::unknown
    namespace delete foo
    set result
} {DEFAULT: dummy a b c}
test namespace-52.7 {unknown: setting global unknown handler} {
    proc ::myunknown {args} { return "MYUNKNOWN: $args" }
    namespace eval :: { namespace unknown ::myunknown }
    set result [namespace eval foo { dummy a b c }]
    namespace eval :: { namespace unknown {} }
    rename ::myunknown {}
    namespace delete foo
    set result
} {MYUNKNOWN: dummy a b c}
test namespace-52.8 {unknown: destroying and redefining global namespace} {
    set i [interp create]
    $i hide proc
    $i hide namespace
    $i hide return
    $i invokehidden namespace delete ::
    $i expose return
    $i invokehidden proc unknown args { return "FINE" }
    $i eval { foo bar bob }
} {FINE}
test namespace-52.9 {unknown: refcounting} -setup {
    proc this args {
	unset args		;# stop sharing
	set copy [namespace unknown]
	string length $copy	;# shimmer away list rep
	info level 0
    }
    set handler [namespace unknown]
    namespace unknown {this is a test}
    catch {rename noSuchCommand {}}
} -body {
    noSuchCommand
} -cleanup {
    namespace unknown $handler
    rename this {}
} -result {this is a test noSuchCommand}
testConstraint testevalobjv [llength [info commands testevalobjv]]
test namespace-52.10 {unknown: with TCL_EVAL_GLOBAL} -constraints {
    testevalobjv
} -setup {
    rename ::unknown unknown.save
    proc ::unknown args {
	set caller [uplevel 1 {namespace current}]
	namespace eval $caller {
	    variable foo
	    return $foo
	}
    }
    catch {rename ::noSuchCommand {}}
} -body {
    namespace eval :: {
	variable foo SUCCESS
    }
    namespace eval test_ns_1 {
	variable foo FAIL
	testevalobjv 1 noSuchCommand
    }
} -cleanup {
    unset -nocomplain ::foo
    namespace delete test_ns_1
    rename ::unknown {}
    rename unknown.save ::unknown
} -result SUCCESS
test namespace-52.11 {unknown: with TCL_EVAL_INVOKE} -setup {
    set handler [namespace eval :: {namespace unknown}]
    namespace eval :: {namespace unknown unknown}
    rename ::unknown unknown.save
    namespace eval :: {
	proc unknown args {
	    return SUCCESS
	}
    }
    catch {rename ::noSuchCommand {}}
    set ::slave [interp create]
} -body {
    $::slave alias bar noSuchCommand
    namespace eval test_ns_1 {
	namespace unknown unknown
	proc unknown args {
	    return FAIL
	}
	$::slave eval bar
    }
} -cleanup {
    interp delete $::slave
    unset ::slave
    namespace delete test_ns_1
    rename ::unknown {}
    rename unknown.save ::unknown
    namespace eval :: [list namespace unknown $handler]
} -result SUCCESS
test namespace-52.12 {unknown: error case must not reset handler} -body {
    namespace eval foo {
	namespace unknown ok
	catch {namespace unknown {{}{}{}}}
	namespace unknown
    }
} -cleanup {
    namespace delete foo
} -result ok

# TIP 314 - ensembles with parameters
test namespace-53.1 {ensembles: parameters} {
    namespace eval ns {
	namespace export x
	proc x {para} {list 1 $para}
	namespace ensemble create -parameters {para1}
    }
    list [info command ns] [ns bar x] [namespace delete ns] [info command ns]
} {ns {1 bar} {} {}}
test namespace-53.2 {ensembles: parameters} -setup {
    namespace eval ns {
	namespace export x
	proc x {para} {list 1 $para}
	namespace ensemble create
    }
} -body {
    namespace ensemble configure ns -parameters {para1}
    rename ns foo
    list [info command foo] [foo bar x] [namespace delete ns] [info command foo]
} -result {foo {1 bar} {} {}}
test namespace-53.3 {ensembles: parameters} -setup {
    namespace eval ns {
	namespace export x*
	proc x1 {para} {list 1 $para}
	proc x2 {para} {list 2 $para}
	namespace ensemble create -parameters param1
    }
} -body {
    set result [list [ns x2 x1] [ns x1 x2]]
    lappend result [catch {ns x} msg] $msg
    lappend result [catch {ns x x} msg] $msg
    rename ns {}
    lappend result [info command ns::x1]
    namespace delete ns
    lappend result [info command ns::x1]
} -result\
   {{1 x2} {2 x1}\
    1 {wrong # args: should be "ns param1 subcommand ?arg ...?"}\
    1 {unknown or ambiguous subcommand "x": must be x1, or x2}\
    ::ns::x1 {}}
test namespace-53.4 {ensembles: parameters} -setup {
    namespace eval ns {
	namespace export x*
	proc x1 {a1 a2} {list 1 $a1 $a2}
	proc x2 {a1 a2} {list 2 $a1 $a2}
	proc x3 {a1 a2} {list 3 $a1 $a2}
	namespace ensemble create
    }
} -body {
    set result {}
    lappend result [ns x1 x2 x3]
    namespace ensemble configure ns -parameters p1
    lappend result [ns x1 x2 x3]
    namespace ensemble configure ns -parameters {p1 p2}
    lappend result [ns x1 x2 x3]
} -cleanup {
    namespace delete ns
} -result {{1 x2 x3} {2 x1 x3} {3 x1 x2}}
test namespace-53.5 {ensembles: parameters} -setup {
    namespace eval ns {
	namespace export x*
	proc x1 {para} {list 1 $para}
	proc x2 {para} {list 2 $para}
	proc x3 {para} {list 3 $para}
	namespace ensemble create
    }
} -body {
    set result [list [catch {ns x x1} msg] $msg]
    lappend result [catch {ns x1 x} msg] $msg
    namespace ensemble configure ns -parameters p1
    lappend result [catch {ns x1 x} msg] $msg
    lappend result [catch {ns x x1} msg] $msg
} -cleanup {
    namespace delete ns
} -result\
   {1 {unknown or ambiguous subcommand "x": must be x1, x2, or x3}\
    0 {1 x}\
    1 {unknown or ambiguous subcommand "x": must be x1, x2, or x3}\
    0 {1 x}}
test namespace-53.6 {ensembles: nested} -setup {
    namespace eval ns {
	namespace export x*
	namespace eval x0 {
	    proc z {args} {list 0 $args}
	    namespace export z
	    namespace ensemble create
	}
	proc x1 {args} {list 1 $args}
	proc x2 {args} {list 2 $args}
	proc x3 {args} {list 3 $args}
	namespace ensemble create -parameters p
    }
} -body {
    list [ns z x0] [ns z x1] [ns z x2] [ns z x3]
} -cleanup {
    namespace delete ns
} -result {{0 {}} {1 z} {2 z} {3 z}}
test namespace-53.7 {ensembles: parameters & wrong # args} -setup {
    namespace eval ns {
	namespace export x*
	proc x1 {a1 a2 a3 a4} {list x1 $a1 $a2 $a3 $a4}
	namespace ensemble create -parameters p1
    }
} -body {
    set result {}
    lappend result [catch {ns} msg] $msg
    lappend result [catch {ns x1} msg] $msg
    lappend result [catch {ns x1 x1} msg] $msg
    lappend result [catch {ns x1 x1 x1} msg] $msg
    lappend result [catch {ns x1 x1 x1 x1} msg] $msg
    lappend result [catch {ns x1 x1 x1 x1 x1} msg] $msg
} -cleanup {
    namespace delete ns
} -result\
   {1 {wrong # args: should be "ns p1 subcommand ?arg ...?"}\
    1 {wrong # args: should be "ns p1 subcommand ?arg ...?"}\
    1 {wrong # args: should be "ns x1 x1 a2 a3 a4"}\
    1 {wrong # args: should be "ns x1 x1 a2 a3 a4"}\
    1 {wrong # args: should be "ns x1 x1 a2 a3 a4"}\
    0 {x1 x1 x1 x1 x1}}
test namespace-53.8 {ensemble: unknown handler changing -parameters} -setup {
    namespace eval ns {
	namespace export x*
	proc x1 {a1} {list 1 $a1}
	proc Magic {ensemble subcmd args} {
	    namespace ensemble configure $ensemble\
              -parameters [lrange p1 [llength [
                namespace ensemble configure $ensemble -parameters
              ]] 0]
            list
	}
	namespace ensemble create -unknown ::ns::Magic
    }
} -body {
    set result {}
    lappend result [catch {ns x1 x2} msg] $msg [namespace ensemble configure ns -parameters]
    lappend result [catch {ns x2 x1} msg] $msg [namespace ensemble configure ns -parameters]
    lappend result [catch {ns x2 x3} msg] $msg [namespace ensemble configure ns -parameters]
} -cleanup {
    namespace delete ns
} -result\
   {0 {1 x2} {}\
    0 {1 x2} p1\
    1 {unknown or ambiguous subcommand "x2": must be x1} {}}
test namespace-53.9 {ensemble: unknown handler changing -parameters,\
  thereby eating all args} -setup {
    namespace eval ns {
	namespace export x*
	proc x1 {args} {list 1 $args}
	proc Magic {ensemble subcmd args} {
	    namespace ensemble configure $ensemble\
              -parameters {p1 p2 p3 p4 p5}
            list
	}
	namespace ensemble create -unknown ::ns::Magic
    }
} -body {
    set result {}
    lappend result [catch {ns x1 x2} msg] $msg [namespace ensemble configure ns -parameters]
    lappend result [catch {ns x2 x1} msg] $msg [namespace ensemble configure ns -parameters]
    lappend result [catch {ns a1 a2 a3 a4 a5 x1} msg] $msg [namespace ensemble configure ns -parameters]
} -cleanup {
    namespace delete ns
} -result\
   {0 {1 x2} {}\
    1 {wrong # args: should be "ns p1 p2 p3 p4 p5 subcommand ?arg ...?"} {p1 p2 p3 p4 p5}\
    0 {1 {a1 a2 a3 a4 a5}} {p1 p2 p3 p4 p5}}
test namespace-53.10 {ensembles: nested rewrite} -setup {
    namespace eval ns {
	namespace export x
	namespace eval x {
	    proc z0 {} {list 0}
	    proc z1 {a1} {list 1 $a1}
	    proc z2 {a1 a2} {list 2 $a1 $a2}
	    proc z3 {a1 a2 a3} {list 3 $a1 $a2 $a3}
	    namespace export z*
	    namespace ensemble create
	}
	namespace ensemble create -parameters p
    }
} -body {
    set result {}
    # In these cases, parsing the subensemble does not grab a new word.
    lappend result [catch {ns z0 x} msg] $msg
    lappend result [catch {ns z1 x} msg] $msg
    lappend result [catch {ns z2 x} msg] $msg
    lappend result [catch {ns z2 x v} msg] $msg
    namespace ensemble configure ns::x -parameters q1
    # In these cases, parsing the subensemble grabs a new word.
    lappend result [catch {ns v x z0} msg] $msg
    lappend result [catch {ns v x z1} msg] $msg
    lappend result [catch {ns v x z2} msg] $msg
    lappend result [catch {ns v x z2 v2} msg] $msg
} -cleanup {
    namespace delete ns
} -result\
   {0 0\
    1 {wrong # args: should be "ns z1 x a1"}\
    1 {wrong # args: should be "ns z2 x a1 a2"}\
    1 {wrong # args: should be "ns z2 x a1 a2"}\
    1 {wrong # args: should be "::ns::x::z0"}\
    0 {1 v}\
    1 {wrong # args: should be "ns v x z2 a2"}\
    0 {2 v v2}}

test namespace-54.1 {leak on namespace deletion} -constraints {memory} \
-setup {
    proc getbytes {} {
	set lines [split [memory info] "\n"]
	lindex $lines 3 3
    }
} -body {
    set end [getbytes]
    for {set i 0} {$i < 5} {incr i} {
	set ns ::y$i
	namespace eval $ns {}
	namespace delete $ns
	set start $end
	set end [getbytes]
    }
    set leakedBytes [expr {$end - $start}]
} -cleanup {
    rename getbytes {}
    unset i ns start end
} -result 0

# cleanup
catch {rename cmd1 {}}
catch {unset l}
catch {unset msg}
catch {unset trigger}
namespace delete {*}[namespace children :: test_ns_*]
::tcltest::cleanupTests
return

# Local Variables:
# mode: tcl
# End: