TIP 631 - lsubst command

1 files changed, 295 insertions, 0 deletions

diff --git a/tests/lreplace.test b/tests/lreplace.test
index 0b26e86..4204c2f 100644
--- a/tests/lreplace.test
+++ b/tests/lreplace.test
@@ -236,6 +236,301 @@ apply {{} {
     }
 }}
 
+# Essentially same tests as above but for lsubst
+test lsubst-1.1 {lsubst command} {
+    set l {1 2 3 4 5}
+    list [lsubst l 0 0 a] $l
+} {{a 2 3 4 5} {a 2 3 4 5}}
+test lsubst-1.2 {lsubst command} {
+    set l {1 2 3 4 5}
+    list [lsubst l 1 1 a] $l
+} {{1 a 3 4 5} {1 a 3 4 5}}
+test lsubst-1.3 {lsubst command} {
+    set l {1 2 3 4 5}
+    list [lsubst l 2 2 a] $l
+} {{1 2 a 4 5} {1 2 a 4 5}}
+test lsubst-1.4 {lsubst command} {
+    set l {1 2 3 4 5}
+    list [lsubst l 3 3 a] $l
+} {{1 2 3 a 5} {1 2 3 a 5}}
+test lsubst-1.5 {lsubst command} {
+    set l {1 2 3 4 5}
+    list [lsubst l 4 4 a] $l
+} {{1 2 3 4 a} {1 2 3 4 a}}
+test lsubst-1.6 {lsubst command} {
+    set l {1 2 3 4 5}
+    list [lsubst l 4 5 a] $l
+} {{1 2 3 4 a} {1 2 3 4 a}}
+test lsubst-1.7 {lsubst command} {
+    set l {1 2 3 4 5}
+    list [lsubst l -1 -1 a] $l
+} {{a 1 2 3 4 5} {a 1 2 3 4 5}}
+test lsubst-1.8 {lsubst command} {
+    set l {1 2 3 4 5}
+    list [lsubst l 2 end a b c d] $l
+} {{1 2 a b c d} {1 2 a b c d}}
+test lsubst-1.9 {lsubst command} {
+    set l {1 2 3 4 5}
+    list [lsubst l 0 3] $l
+} {5 5}
+test lsubst-1.10 {lsubst command} {
+    set l {1 2 3 4 5}
+    list [lsubst l 0 4] $l
+} {{} {}}
+test lsubst-1.11 {lsubst command} {
+    set l {1 2 3 4 5}
+    list [lsubst l 0 1] $l
+} {{3 4 5} {3 4 5}}
+test lsubst-1.12 {lsubst command} {
+    set l {1 2 3 4 5}
+    list [lsubst l 2 3] $l
+} {{1 2 5} {1 2 5}}
+test lsubst-1.13 {lsubst command} {
+    set l {1 2 3 4 5}
+    list [lsubst l 3 end] $l
+} {{1 2 3} {1 2 3}}
+test lsubst-1.14 {lsubst command} {
+    set l {1 2 3 4 5}
+    list [lsubst l -1 4 a b c] $l
+} {{a b c} {a b c}}
+test lsubst-1.15 {lsubst command} {
+    set l {a b "c c" d e f}
+    list [lsubst l 3 3] $l
+} {{a b {c c} e f} {a b {c c} e f}}
+test lsubst-1.16 {lsubst command} {
+    set l { 1 2 3 4 5}
+    list [lsubst l 0 0 a] $l
+} {{a 2 3 4 5} {a 2 3 4 5}}
+test lsubst-1.17 {lsubst command} {
+    set l {1 2 3 4 "5 6"}
+    list [lsubst l 4 4 a] $l
+} {{1 2 3 4 a} {1 2 3 4 a}}
+test lsubst-1.18 {lsubst command} {
+    set l {1 2 3 4 {5 6}}
+    list [lsubst l 4 4 a] $l
+} {{1 2 3 4 a} {1 2 3 4 a}}
+test lsubst-1.19 {lsubst command} {
+    set l {1 2 3 4}
+    list [lsubst l 2 end x y z] $l
+} {{1 2 x y z} {1 2 x y z}}
+test lsubst-1.20 {lsubst command} {
+    set l {1 2 3 4}
+    list [lsubst l end end a] $l
+} {{1 2 3 a} {1 2 3 a}}
+test lsubst-1.21 {lsubst command} {
+    set l {1 2 3 4}
+    list [lsubst l end 3 a] $l
+} {{1 2 3 a} {1 2 3 a}}
+test lsubst-1.22 {lsubst command} {
+    set l {1 2 3 4}
+    list [lsubst l end end] $l
+} {{1 2 3} {1 2 3}}
+test lsubst-1.23 {lsubst command} {
+    set l {1 2 3 4}
+    list [lsubst l 2 -1 xy] $l
+} {{1 2 xy 3 4} {1 2 xy 3 4}}
+test lsubst-1.24 {lsubst command} {
+    set l {1 2 3 4}
+    list [lsubst l end -1 z] $l
+} {{1 2 3 z 4} {1 2 3 z 4}}
+test lsubst-1.25 {lsubst command} {
+    set l {\}\     hello}
+    concat \"[lsubst l end end]\" $l
+} {"\}\ " \}\ }
+test lsubst-1.26 {lsubst command} {
+    catch {unset foo}
+    set foo {a b}
+    list [lsubst foo end end] $foo \
+        [lsubst foo end end] $foo \
+        [lsubst foo end end] $foo
+} {a a {} {} {} {}}
+test lsubst-1.27 {lsubset command} -body {
+    set l x
+    list [lsubst l 1 1] $l
+} -result {x x}
+test lsubst-1.28 {lsubst command} -body {
+    set l x
+    list [lsubst l 1 1 y] $l
+} -result {{x y} {x y}}
+test lsubst-1.29 {lsubst command} -body {
+    set l x
+    lsubst l 1 1 [error foo]
+} -returnCodes 1 -result {foo}
+test lsubst-1.30 {lsubst command} -body {
+    set l {not {}alist}
+    lsubst l 0 0 [error foo]
+} -returnCodes 1 -result {foo}
+test lsubst-1.31 {lsubst command} -body {
+    unset -nocomplain arr
+    set arr(x) {a b}
+    list [lsubst arr(x) 0 0 c] $arr(x)
+} -result {{c b} {c b}}
+
+test lsubst-2.1 {lsubst errors} -body {
+    list [catch lsubst msg] $msg
+} -result {1 {wrong # args: should be "lsubst listVar first last ?element ...?"}}
+test lsubst-2.2 {lsubst errors} -body {
+    unset -nocomplain x
+    list [catch {lsubst l b} msg] $msg
+} -result {1 {wrong # args: should be "lsubst listVar first last ?element ...?"}}
+test lsubst-2.3 {lsubst errors} -body {
+    set x {}
+    list [catch {lsubst x a 10} msg] $msg
+} -result {1 {bad index "a": must be integer?[+-]integer? or end?[+-]integer?}}
+test lsubst-2.4 {lsubst errors} -body {
+    set l {}
+    list [catch {lsubst l 10 x} msg] $msg
+} -result {1 {bad index "x": must be integer?[+-]integer? or end?[+-]integer?}}
+test lsubst-2.5 {lsubst errors} -body {
+    set l {}
+    list [catch {lsubst l 10 1x} msg] $msg
+} -result {1 {bad index "1x": must be integer?[+-]integer? or end?[+-]integer?}}
+test lsubst-2.6 {lsubst errors} -body {
+    set l x
+    list [catch {lsubst l 3 2} msg] $msg
+} -result {0 x}
+test lsubst-2.7 {lsubst errors} -body {
+    set l x
+    list [catch {lsubst l 2 2} msg] $msg
+} -result {0 x}
+test lsubst-2.8 {lsubst errors} -body {
+    unset -nocomplain l
+    lsubst l 0 0 x
+} -returnCodes error -result {can't read "l": no such variable}
+test lsubst-2.9 {lsubst errors} -body {
+    unset -nocomplain arr
+    lsubst arr(x) 0 0 x
+} -returnCodes error -result {can't read "arr(x)": no such variable}
+test lsubst-2.10 {lsubst errors} -body {
+    unset -nocomplain arr
+    set arr(y) y
+    lsubst arr(x) 0 0 x
+} -returnCodes error -result {can't read "arr(x)": no such element in array}
+
+test lsubst-3.1 {lsubst won't modify shared argument objects} {
+    proc p {} {
+        set l "a b c"
+        lsubst l 1 1 "x y"
+        # The literal in locals table should be unmodified
+        return [list "a b c" $l]
+    }
+    p
+} {{a b c} {a {x y} c}}
+
+# Following bugs were in lreplace. Make sure lsubst does not have them
+test lsubst-4.1 {Bug ccc2c2cc98: lreplace edge case} {
+    set l {}
+    list [lsubst l 1 1] $l
+} {{} {}}
+test lsubst-4.2 {Bug ccc2c2cc98: lreplace edge case} {
+    set l { }
+    list [lsubst l 1 1] $l
+} {{} {}}
+test lsubst-4.3 {lreplace edge case} {
+    set l {1 2 3}
+    lsubst l 2 0
+} {1 2 3}
+test lsubst-4.4 {lsubst edge case} {
+    set l {1 2 3 4 5}
+    list [lsubst l 3 1] $l
+} {{1 2 3 4 5} {1 2 3 4 5}}
+test lreplace-4.5 {lreplace edge case} {
+    lreplace {1 2 3 4 5} 3 0 _
+} {1 2 3 _ 4 5}
+test lsubst-4.6 {lsubst end-x: bug a4cb3f06c4} {
+    set l {0 1 2 3 4}
+    list [lsubst l 0 end-2] $l
+} {{3 4} {3 4}}
+test lsubst-4.6.1 {lsubst end-x: bug a4cb3f06c4} {
+    set l {0 1 2 3 4}
+    list [lsubst l 0 end-2 a b c] $l
+} {{a b c 3 4} {a b c 3 4}}
+test lsubst-4.7 {lsubst with two end-indexes: increasing} {
+    set l {0 1 2 3 4}
+    list [lsubst l end-2 end-1] $l
+} {{0 1 4} {0 1 4}}
+test lsubst-4.7.1 {lsubst with two end-indexes: increasing} {
+    set l {0 1 2 3 4}
+    list [lsubst l end-2 end-1 a b c] $l
+} {{0 1 a b c 4} {0 1 a b c 4}}
+test lsubst-4.8 {lsubst with two end-indexes: equal} {
+    set l {0 1 2 3 4}
+    list [lsubst l end-2 end-2] $l
+} {{0 1 3 4} {0 1 3 4}}
+test lsubst-4.8.1 {lsubst with two end-indexes: equal} {
+    set l {0 1 2 3 4}
+    list [lsubst l end-2 end-2 a b c] $l
+} {{0 1 a b c 3 4} {0 1 a b c 3 4}}
+test lsubst-4.9 {lsubst with two end-indexes: decreasing} {
+    set l {0 1 2 3 4}
+    list [lsubst l end-2 end-3] $l
+} {{0 1 2 3 4} {0 1 2 3 4}}
+test lsubst-4.9.1 {lsubst with two end-indexes: decreasing} {
+    set l {0 1 2 3 4}
+    list [lsubst l end-2 end-3 a b c] $l
+} {{0 1 a b c 2 3 4} {0 1 a b c 2 3 4}}
+test lsubst-4.10 {lsubst with two equal indexes} {
+    set l {0 1 2 3 4}
+    list [lsubst l 2 2] $l
+} {{0 1 3 4} {0 1 3 4}}
+test lsubst-4.10.1 {lsubst with two equal indexes} {
+    set l {0 1 2 3 4}
+    list [lsubst l 2 2 a b c] $l
+} {{0 1 a b c 3 4} {0 1 a b c 3 4}}
+test lsubst-4.11 {lsubst end index first} {
+    set l {0 1 2 3 4}
+    list [lsubst l end-2 1 a b c] $l
+} {{0 1 a b c 2 3 4} {0 1 a b c 2 3 4}}
+test lsubst-4.12 {lsubst end index first} {
+    set l {0 1 2 3 4}
+    list [lsubst l end-2 2 a b c] $l
+} {{0 1 a b c 3 4} {0 1 a b c 3 4}}
+test lsubst-4.13 {lsubst empty list} {
+    set l {}
+    list [lsubst l 1 1 1] $l
+} {1 1}
+test lsubst-4.14 {lsubst empty list} {
+    set l {}
+    list [lsubst l 2 2 2] $l
+} {2 2}
+
+test lsubst-5.1 {compiled lreplace: Bug 47ac84309b} {
+    apply {x {
+	lsubst x end 0
+    }} {a b c}
+} {a b c}
+test lsubst-5.2 {compiled lreplace: Bug 47ac84309b} {
+    apply {x {
+	lsubst x end 0 A
+    }} {a b c}
+} {a b A c}
+
+# Testing for compiled behaviour. Far too many variations to check with
+# spelt-out tests. Note that this *just* checks whether the compiled version
+# and the interpreted version are the same, not whether the interpreted
+# version is correct.
+apply {{} {
+    set lss     {{} {a} {a b c} {a b c d}}
+    set ins     {{} A {A B}}
+    set idxs    {-2 -1 0 1 2 3 end-3 end-2 end-1 end end+1 end+2}
+    set lreplace lreplace
+
+    foreach ls $lss {
+	foreach a $idxs {
+	    foreach b $idxs {
+		foreach i $ins {
+		    set expected [list [catch {$lreplace $ls $a $b {*}$i} m] $m]
+		    set tester [list lsubst ls $a $b {*}$i]
+		    set script [list catch $tester m]
+		    set script "list \[$script\] \$m"
+		    test lsubst-6.[incr n] {lsubst battery} -body \
+			[list apply [list {ls} $script] $ls] -result $expected
+		}
+	    }
+	}
+    }
+}}
+
 # cleanup
 catch {unset foo}
 ::tcltest::cleanupTests