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+# This file is a Tcl script to test out the B-tree facilities of
+# Tk's text widget (the contents of the file "tkTextBTree.c". There are
+# several file with additional tests for other features of text widgets.
+# This file is organized in the standard fashion for Tcl tests.
+#
+# Copyright (c) 1992-1994 The Regents of the University of California.
+# Copyright (c) 1994 Sun Microsystems, Inc.
+#
+# See the file "license.terms" for information on usage and redistribution
+# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+#
+# SCCS: @(#) textBTree.test 1.8 96/03/21 15:51:12
+
+if {[string compare test [info procs test]] == 1} then \
+ {source defs}
+
+catch {destroy .t}
+text .t
+.t debug on
+
+test btree-1.1 {basic insertions} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t get 1.0 1000000.0
+} "Line 1\nLine 2\nLine 3\n"
+test btree-1.2 {basic insertions} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t insert 1.3 XXX
+ .t get 1.0 1000000.0
+} "LinXXXe 1\nLine 2\nLine 3\n"
+test btree-1.3 {basic insertions} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t insert 3.0 YYY
+ .t get 1.0 1000000.0
+} "Line 1\nLine 2\nYYYLine 3\n"
+test btree-1.4 {basic insertions} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t insert 2.1 X\nYY
+ .t get 1.0 1000000.0
+} "Line 1\nLX\nYYine 2\nLine 3\n"
+test btree-1.5 {basic insertions} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t insert 2.0 X\n\n\n
+ .t get 1.0 1000000.0
+} "Line 1\nX\n\n\nLine 2\nLine 3\n"
+test btree-1.6 {basic insertions} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t insert 2.6 X\n
+ .t get 1.0 1000000.0
+} "Line 1\nLine 2X\n\nLine 3\n"
+test btree-1.7 {insertion before start of text} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t insert 0.4 XXX
+ .t get 1.0 1000000.0
+} "XXXLine 1\nLine 2\nLine 3\n"
+test btree-1.8 {insertion past end of text} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t insert 100.0 ZZ
+ .t get 1.0 1000000.0
+} "Line 1\nLine 2\nLine 3ZZ\n"
+test btree-1.9 {insertion before start of line} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t insert 2.-3 Q
+ .t get 1.0 1000000.0
+} "Line 1\nQLine 2\nLine 3\n"
+test btree-1.10 {insertion past end of line} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t insert 2.40 XYZZY
+ .t get 1.0 1000000.0
+} "Line 1\nLine 2XYZZY\nLine 3\n"
+test btree-1.11 {insertion past end of last line} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t insert 3.40 ABC
+ .t get 1.0 1000000.0
+} "Line 1\nLine 2\nLine 3ABC\n"
+
+test btree-2.1 {basic deletions} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t delete 1.0 1.3
+ .t get 1.0 1000000.0
+} "e 1\nLine 2\nLine 3\n"
+test btree-2.2 {basic deletions} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t delete 2.2
+ .t get 1.0 1000000.0
+} "Line 1\nLie 2\nLine 3\n"
+test btree-2.3 {basic deletions} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t delete 2.0 2.3
+ .t get 1.0 1000000.0
+} "Line 1\ne 2\nLine 3\n"
+test btree-2.4 {deleting whole lines} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t delete 1.2 3.0
+ .t get 1.0 1000000.0
+} "LiLine 3\n"
+test btree-2.5 {deleting whole lines} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\n\n\nLine 5"
+ .t delete 1.0 5.2
+ .t get 1.0 1000000.0
+} "ne 5\n"
+test btree-2.6 {deleting before start of file} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t delete 0.3 1.2
+ .t get 1.0 1000000.0
+} "ne 1\nLine 2\nLine 3\n"
+test btree-2.7 {deleting after end of file} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t delete 10.3
+ .t get 1.0 1000000.0
+} "Line 1\nLine 2\nLine 3\n"
+test btree-2.8 {deleting before start of line} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t delete 3.-1 3.3
+ .t get 1.0 1000000.0
+} "Line 1\nLine 2\ne 3\n"
+test btree-2.9 {deleting before start of line} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t delete 1.-1 1.0
+ .t get 1.0 1000000.0
+} "Line 1\nLine 2\nLine 3\n"
+test btree-2.10 {deleting after end of line} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t delete 1.8 2.1
+ .t get 1.0 1000000.0
+} "Line 1ine 2\nLine 3\n"
+test btree-2.11 {deleting after end of last line} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t delete 3.8 4.1
+ .t get 1.0 1000000.0
+} "Line 1\nLine 2\nLine 3\n"
+test btree-2.12 {deleting before start of file} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t delete 1.8 0.0
+ .t get 1.0 1000000.0
+} "Line 1\nLine 2\nLine 3\n"
+test btree-2.13 {deleting past end of file} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t delete 1.8 4.0
+ .t get 1.0 1000000.0
+} "Line 1\n"
+test btree-2.14 {deleting with end before start of line} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t delete 1.3 2.-3
+ .t get 1.0 1000000.0
+} "LinLine 2\nLine 3\n"
+test btree-2.15 {deleting past end of line} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t delete 1.3 1.9
+ .t get 1.0 1000000.0
+} "Lin\nLine 2\nLine 3\n"
+test btree-2.16 {deleting past end of line} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t delete 3.2 3.15
+ .t get 1.0 1000000.0
+} "Line 1\nLine 2\nLi\n"
+test btree-2.17 {deleting past end of line} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t delete 3.0 3.15
+ .t get 1.0 1000000.0
+} "Line 1\nLine 2\n\n"
+test btree-2.18 {deleting past end of line} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t delete 1.0 3.15
+ .t get 1.0 1000000.0
+} "\n"
+test btree-2.19 {deleting with negative range} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t delete 3.2 2.4
+ .t get 1.0 1000000.0
+} "Line 1\nLine 2\nLine 3\n"
+test btree-2.20 {deleting with negative range} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t delete 3.2 3.1
+ .t get 1.0 1000000.0
+} "Line 1\nLine 2\nLine 3\n"
+test btree-2.21 {deleting with negative range} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Line 1\nLine 2\nLine 3"
+ .t delete 3.2 3.2
+ .t get 1.0 1000000.0
+} "Line 1\nLine 2\nLine 3\n"
+
+proc setup {} {
+ .t delete 1.0 100000.0
+ .t tag delete x y
+ .t insert 1.0 "Text for first line\nSecond line\n\nLast line of info"
+ .t tag add x 1.1
+ .t tag add x 1.5 1.13
+ .t tag add x 2.2 2.6
+ .t tag add y 1.5
+}
+
+test btree-3.1 {inserting with tags} {
+ setup
+ .t insert 1.0 XXX
+ list [.t tag ranges x] [.t tag ranges y]
+} {{1.4 1.5 1.8 1.16 2.2 2.6} {1.8 1.9}}
+test btree-3.2 {inserting with tags} {
+ setup
+ .t insert 1.15 YYY
+ list [.t tag ranges x] [.t tag ranges y]
+} {{1.1 1.2 1.5 1.13 2.2 2.6} {1.5 1.6}}
+test btree-3.3 {inserting with tags} {
+ setup
+ .t insert 1.7 ZZZZ
+ list [.t tag ranges x] [.t tag ranges y]
+} {{1.1 1.2 1.5 1.17 2.2 2.6} {1.5 1.6}}
+test btree-3.4 {inserting with tags} {
+ setup
+ .t insert 1.7 \n\n
+ list [.t tag ranges x] [.t tag ranges y]
+} {{1.1 1.2 1.5 3.6 4.2 4.6} {1.5 1.6}}
+test btree-3.5 {inserting with tags} {
+ setup
+ .t insert 1.5 A\n
+ list [.t tag ranges x] [.t tag ranges y]
+} {{1.1 1.2 2.0 2.8 3.2 3.6} {2.0 2.1}}
+test btree-3.6 {inserting with tags} {
+ setup
+ .t insert 1.13 A\n
+ list [.t tag ranges x] [.t tag ranges y]
+} {{1.1 1.2 1.5 1.13 3.2 3.6} {1.5 1.6}}
+
+test btree-4.1 {deleting with tags} {
+ setup
+ .t delete 1.6 1.9
+ list [.t tag ranges x] [.t tag ranges y]
+} {{1.1 1.2 1.5 1.10 2.2 2.6} {1.5 1.6}}
+test btree-4.2 {deleting with tags} {
+ setup
+ .t delete 1.1 2.3
+ list [.t tag ranges x] [.t tag ranges y]
+} {{1.1 1.4} {}}
+test btree-4.3 {deleting with tags} {
+ setup
+ .t delete 1.4 2.1
+ list [.t tag ranges x] [.t tag ranges y]
+} {{1.1 1.2 1.5 1.9} {}}
+test btree-4.4 {deleting with tags} {
+ setup
+ .t delete 1.14 2.1
+ list [.t tag ranges x] [.t tag ranges y]
+} {{1.1 1.2 1.5 1.13 1.15 1.19} {1.5 1.6}}
+test btree-4.5 {deleting with tags} {
+ setup
+ .t delete 1.0 2.10
+ list [.t tag ranges x] [.t tag ranges y]
+} {{} {}}
+test btree-4.6 {deleting with tags} {
+ setup
+ .t delete 1.0 1.5
+ list [.t tag ranges x] [.t tag ranges y]
+} {{1.0 1.8 2.2 2.6} {1.0 1.1}}
+test btree-4.7 {deleting with tags} {
+ setup
+ .t delete 1.6 1.9
+ list [.t tag ranges x] [.t tag ranges y]
+} {{1.1 1.2 1.5 1.10 2.2 2.6} {1.5 1.6}}
+test btree-4.8 {deleting with tags} {
+ setup
+ .t delete 1.5 1.13
+ list [.t tag ranges x] [.t tag ranges y]
+} {{1.1 1.2 2.2 2.6} {}}
+
+set bigText1 {}
+for {set i 0} {$i < 10} {incr i} {
+ append bigText1 "Line $i\n"
+}
+set bigText2 {}
+for {set i 0} {$i < 200} {incr i} {
+ append bigText2 "Line $i\n"
+}
+test btree-5.1 {very large inserts, with tags} {
+ setup
+ .t insert 1.0 $bigText1
+ list [.t tag ranges x] [.t tag ranges y]
+} {{11.1 11.2 11.5 11.13 12.2 12.6} {11.5 11.6}}
+test btree-5.2 {very large inserts, with tags} {
+ setup
+ .t insert 1.2 $bigText2
+ list [.t tag ranges x] [.t tag ranges y]
+} {{1.1 1.2 201.3 201.11 202.2 202.6} {201.3 201.4}}
+test btree-5.3 {very large inserts, with tags} {
+ setup
+ for {set i 0} {$i < 200} {incr i} {
+ .t insert 1.8 "longer line $i\n"
+ }
+ list [.t tag ranges x] [.t tag ranges y] [.t get 1.0 1.100] [.t get 198.0 198.100]
+} {{1.1 1.2 1.5 201.5 202.2 202.6} {1.5 1.6} {Text forlonger line 199} {longer line 2}}
+
+test btree-6.1 {very large deletes, with tags} {
+ setup
+ .t insert 1.1 $bigText2
+ .t delete 1.2 201.2
+ list [.t tag ranges x] [.t tag ranges y]
+} {{1.4 1.12 2.2 2.6} {1.4 1.5}}
+test btree-6.2 {very large deletes, with tags} {
+ setup
+ .t insert 1.1 $bigText2
+ for {set i 0} {$i < 200} {incr i} {
+ .t delete 1.2 2.2
+ }
+ list [.t tag ranges x] [.t tag ranges y]
+} {{1.4 1.12 2.2 2.6} {1.4 1.5}}
+test btree-6.3 {very large deletes, with tags} {
+ setup
+ .t insert 1.1 $bigText2
+ .t delete 2.3 10000.0
+ .t get 1.0 1000.0
+} {TLine 0
+Lin
+}
+test btree-6.4 {very large deletes, with tags} {
+ setup
+ .t insert 1.1 $bigText2
+ for {set i 0} {$i < 100} {incr i} {
+ .t delete 30.0 31.0
+ }
+ list [.t tag ranges x] [.t tag ranges y]
+} {{101.0 101.1 101.4 101.12 102.2 102.6} {101.4 101.5}}
+test btree-6.5 {very large deletes, with tags} {
+ setup
+ .t insert 1.1 $bigText2
+ for {set i 0} {$i < 100} {incr i} {
+ set j [expr $i+2]
+ set k [expr 1+2*$i]
+ .t tag add x $j.1 $j.3
+ .t tag add y $k.1 $k.6
+ }
+ .t delete 2.0 200.0
+ list [.t tag ranges x] [.t tag ranges y]
+} {{3.0 3.1 3.4 3.12 4.2 4.6} {1.1 1.6 3.4 3.5}}
+test btree-6.6 {very large deletes, with tags} {
+ setup
+ .t insert 1.1 $bigText2
+ for {set i 0} {$i < 100} {incr i} {
+ set j [expr $i+2]
+ set k [expr 1+2*$i]
+ .t tag add x $j.1 $j.3
+ .t tag add y $k.1 $k.6
+ }
+ for {set i 199} {$i >= 2} {incr i -1} {
+ .t delete $i.0 [expr $i+1].0
+ }
+ list [.t tag ranges x] [.t tag ranges y]
+} {{3.0 3.1 3.4 3.12 4.2 4.6} {1.1 1.6 3.4 3.5}}
+
+.t delete 1.0 end
+.t insert 1.0 "Text for first line\nSecond line\n\nLast line of info"
+set i 1
+foreach check {
+ {1.3 1.6 1.7 2.0 {1.3 1.6 1.7 2.0}}
+ {1.3 1.6 1.6 2.0 {1.3 2.0}}
+ {1.3 1.6 1.4 2.0 {1.3 2.0}}
+ {2.0 4.3 1.4 1.10 {1.4 1.10 2.0 4.3}}
+ {2.0 4.3 1.4 1.end {1.4 1.19 2.0 4.3}}
+ {2.0 4.3 1.4 2.0 {1.4 4.3}}
+ {2.0 4.3 1.4 3.0 {1.4 4.3}}
+ {1.2 1.3 1.6 1.7 1.end 2.0 2.4 2.7 3.0 4.0 1.1 4.2 {1.1 4.2}}
+ {1.2 1.3 1.6 1.7 1.end 2.0 2.4 2.7 3.0 4.0 1.3 4.2 {1.2 4.2}}
+ {1.2 1.3 1.6 1.7 1.end 2.0 2.4 2.7 3.0 4.0 1.1 3.0 {1.1 4.0}}
+ {1.2 1.3 1.6 1.7 1.end 2.0 2.4 2.7 3.0 4.0 1.2 3.0 {1.2 4.0}}
+} {
+ test btree-7.$i {tag addition and removal} {
+ .t tag remove x 1.0 end
+ while {[llength $check] > 2} {
+ .t tag add x [lindex $check 0] [lindex $check 1]
+ set check [lrange $check 2 end]
+ }
+ .t tag ranges x
+ } [lindex $check [expr [llength $check]-1]]
+ incr i
+}
+
+test btree-8.1 {tag addition and removal, weird ranges} {
+ .t delete 1.0 100000.0
+ .t tag delete x
+ .t insert 1.0 "Text for first line\nSecond line\n\nLast line of info"
+ .t tag add x 0.0 1.3
+ .t tag ranges x
+} {1.0 1.3}
+test btree-8.2 {tag addition and removal, weird ranges} {
+ .t delete 1.0 100000.0
+ .t tag delete x
+ .t insert 1.0 "Text for first line\nSecond line\n\nLast line of info"
+ .t tag add x 1.40 2.4
+ .t tag ranges x
+} {1.19 2.4}
+test btree-8.3 {tag addition and removal, weird ranges} {
+ .t delete 1.0 100000.0
+ .t tag delete x
+ .t insert 1.0 "Text for first line\nSecond line\n\nLast line of info"
+ .t tag add x 4.40 4.41
+ .t tag ranges x
+} {}
+test btree-8.4 {tag addition and removal, weird ranges} {
+ .t delete 1.0 100000.0
+ .t tag delete x
+ .t insert 1.0 "Text for first line\nSecond line\n\nLast line of info"
+ .t tag add x 5.1 5.2
+ .t tag ranges x
+} {}
+test btree-8.5 {tag addition and removal, weird ranges} {
+ .t delete 1.0 100000.0
+ .t tag delete x
+ .t insert 1.0 "Text for first line\nSecond line\n\nLast line of info"
+ .t tag add x 1.1 9.0
+ .t tag ranges x
+} {1.1 5.0}
+test btree-8.6 {tag addition and removal, weird ranges} {
+ .t delete 1.0 100000.0
+ .t tag delete x
+ .t insert 1.0 "Text for first line\nSecond line\n\nLast line of info"
+ .t tag add x 1.1 1.90
+ .t tag ranges x
+} {1.1 1.19}
+test btree-8.7 {tag addition and removal, weird ranges} {
+ .t delete 1.0 100000.0
+ .t tag delete x
+ .t insert 1.0 "Text for first line\nSecond line\n\nLast line of info"
+ .t tag add x 1.1 4.90
+ .t tag ranges x
+} {1.1 4.17}
+test btree-8.8 {tag addition and removal, weird ranges} {
+ .t delete 1.0 100000.0
+ .t tag delete x
+ .t insert 1.0 "Text for first line\nSecond line\n\nLast line of info"
+ .t tag add x 3.0 3.0
+ .t tag ranges x
+} {}
+
+test btree-9.1 {tag names} {
+ setup
+ .t tag names
+} {sel x y}
+test btree-9.2 {tag names} {
+ setup
+ .t tag add tag1 1.8
+ .t tag add tag2 1.8
+ .t tag add tag3 1.7 1.9
+ .t tag names 1.8
+} {x tag1 tag2 tag3}
+test btree-9.3 {lots of tag names} {
+ setup
+ .t insert 1.2 $bigText2
+ foreach i {tag1 foo ThisOne {x space} q r s t} {
+ .t tag add $i 150.2
+ }
+ foreach i {u tagA tagB tagC and more {$} \{} {
+ .t tag add $i 150.1 150.3
+ }
+ .t tag names 150.2
+} {tag1 foo ThisOne {x space} q r s t u tagA tagB tagC and more {$} \{}
+test btree-9.4 {lots of tag names} {
+ setup
+ .t insert 1.2 $bigText2
+ .t tag delete tag1 foo ThisOne more {x space} q r s t u
+ .t tag delete tagA tagB tagC and {$} \{ more
+ foreach i {tag1 foo ThisOne more {x space} q r s t} {
+ .t tag add $i 150.2
+ }
+ foreach i {foo ThisOne u tagA tagB tagC and more {$} \{} {
+ .t tag add $i 150.4
+ }
+ .t tag delete tag1 more q r tagA
+ .t tag names 150.2
+} {foo ThisOne {x space} s t}
+
+proc msetup {} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Text for first line\nSecond line\n\nLast line of info"
+ .t mark set m1 1.2
+ .t mark set l1 1.2
+ .t mark gravity l1 left
+ .t mark set next 1.6
+ .t mark set x 1.6
+ .t mark set m2 2.0
+ .t mark set m3 2.100
+ .t tag add x 1.3 1.8
+}
+test btree-10.1 {basic mark facilities} {
+ msetup
+ list [lsort [.t mark names]] [.t index m1] [.t index m2] [.t index m3]
+} {{current insert l1 m1 m2 m3 next x} 1.2 2.0 2.11}
+test btree-10.2 {basic mark facilities} {
+ msetup
+ .t mark unset m2
+ lsort [.t mark names]
+} {current insert l1 m1 m3 next x}
+test btree-10.3 {basic mark facilities} {
+ msetup
+ .t mark set m2 1.8
+ list [lsort [.t mark names]] [.t index m1] [.t index m2] [.t index m3]
+} {{current insert l1 m1 m2 m3 next x} 1.2 1.8 2.11}
+
+test btree-11.1 {marks and inserts} {
+ msetup
+ .t insert 1.1 abcde
+ list [.t index l1] [.t index m1] [.t index next] [.t index x] [.t index m2] [.t index m3]
+} {1.7 1.7 1.11 1.11 2.0 2.11}
+test btree-11.2 {marks and inserts} {
+ msetup
+ .t insert 1.2 abcde
+ list [.t index l1] [.t index m1] [.t index next] [.t index x] [.t index m2] [.t index m3]
+} {1.2 1.7 1.11 1.11 2.0 2.11}
+test btree-11.3 {marks and inserts} {
+ msetup
+ .t insert 1.3 abcde
+ list [.t index l1] [.t index m1] [.t index next] [.t index x] [.t index m2] [.t index m3]
+} {1.2 1.2 1.11 1.11 2.0 2.11}
+test btree-11.4 {marks and inserts} {
+ msetup
+ .t insert 1.1 ab\n\ncde
+ list [.t index l1] [.t index m1] [.t index next] [.t index x] [.t index m2] [.t index m3]
+} {3.4 3.4 3.8 3.8 4.0 4.11}
+test btree-11.5 {marks and inserts} {
+ msetup
+ .t insert 1.4 ab\n\ncde
+ list [.t index l1] [.t index m1] [.t index next] [.t index x] [.t index m2] [.t index m3]
+} {1.2 1.2 3.5 3.5 4.0 4.11}
+test btree-11.6 {marks and inserts} {
+ msetup
+ .t insert 1.7 ab\n\ncde
+ list [.t index l1] [.t index m1] [.t index next] [.t index x] [.t index m2] [.t index m3]
+} {1.2 1.2 1.6 1.6 4.0 4.11}
+
+test btree-12.1 {marks and deletes} {
+ msetup
+ .t delete 1.3 1.5
+ list [.t index l1] [.t index m1] [.t index next] [.t index x] [.t index m2] [.t index m3]
+} {1.2 1.2 1.4 1.4 2.0 2.11}
+test btree-12.2 {marks and deletes} {
+ msetup
+ .t delete 1.3 1.8
+ list [.t index l1] [.t index m1] [.t index next] [.t index x] [.t index m2] [.t index m3]
+} {1.2 1.2 1.3 1.3 2.0 2.11}
+test btree-12.3 {marks and deletes} {
+ msetup
+ .t delete 1.2 1.8
+ list [.t index l1] [.t index m1] [.t index next] [.t index x] [.t index m2] [.t index m3]
+} {1.2 1.2 1.2 1.2 2.0 2.11}
+test btree-12.4 {marks and deletes} {
+ msetup
+ .t delete 1.1 1.8
+ list [.t index l1] [.t index m1] [.t index next] [.t index x] [.t index m2] [.t index m3]
+} {1.1 1.1 1.1 1.1 2.0 2.11}
+test btree-12.5 {marks and deletes} {
+ msetup
+ .t delete 1.5 3.1
+ list [.t index l1] [.t index m1] [.t index next] [.t index x] [.t index m2] [.t index m3]
+} {1.2 1.2 1.5 1.5 1.5 1.5}
+test btree-12.6 {marks and deletes} {
+ msetup
+ .t mark set m2 4.5
+ .t delete 1.5 4.1
+ list [.t index l1] [.t index m1] [.t index next] [.t index x] [.t index m2] [.t index m3]
+} {1.2 1.2 1.5 1.5 1.9 1.5}
+test btree-12.7 {marks and deletes} {
+ msetup
+ .t mark set m2 4.5
+ .t mark set m3 4.5
+ .t mark set m1 4.7
+ .t delete 1.5 4.1
+ list [.t index l1] [.t index m1] [.t index next] [.t index x] [.t index m2] [.t index m3]
+} {1.2 1.11 1.5 1.5 1.9 1.9}
+
+destroy .t
+text .t
+test btree-13.1 {tag searching} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Text for first line\nSecond line\n\nLast line of info"
+ .t tag next x 2.2 2.1
+} {}
+test btree-13.2 {tag searching} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Text for first line\nSecond line\n\nLast line of info"
+ .t tag add x 2.2 2.4
+ .t tag next x 2.2 2.3
+} {2.2 2.4}
+test btree-13.3 {tag searching} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Text for first line\nSecond line\n\nLast line of info"
+ .t tag add x 2.2 2.4
+ .t tag next x 2.3 2.6
+} {}
+test btree-13.4 {tag searching} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Text for first line\nSecond line\n\nLast line of info"
+ .t tag add x 2.5 2.8
+ .t tag next x 2.1 2.6
+} {2.5 2.8}
+test btree-13.5 {tag searching} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Text for first line\nSecond line\n\nLast line of info"
+ .t tag add x 2.5 2.8
+ .t tag next x 2.1 2.5
+} {}
+test btree-13.6 {tag searching} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Text for first line\nSecond line\n\nLast line of info"
+ .t tag add x 2.1 2.4
+ .t tag next x 2.5 2.8
+} {}
+test btree-13.7 {tag searching} {
+ .t delete 1.0 100000.0
+ .t insert 1.0 "Text for first line\nSecond line\n\nLast line of info"
+ .t tag add x 2.5 2.8
+ .t tag next x 2.1 2.4
+} {}
+test btree-13.8 {tag searching} {
+ setup
+ .t insert 1.2 $bigText2
+ .t tag add x 190.3 191.2
+ .t tag next x 3.5
+} {190.3 191.2}
+
+test btree-14.1 {check tag presence} {
+ setup
+ .t insert 1.2 $bigText2
+ .t tag add x 3.5 3.7
+ .t tag add y 133.9 141.5
+ .t tag add z 1.5 180.2
+ .t tag add q 141.4 142.3
+ .t tag add x 130.2 145.1
+ .t tag add a 141.0
+ .t tag add b 4.3
+ .t tag add b 7.5
+ .t tag add b 140.3
+ for {set i 120} {$i < 160} {incr i} {
+ .t tag add c $i.4
+ }
+ foreach i {a1 a2 a3 a4 a5 a6 a7 a8 a9 10 a11 a12 a13} {
+ .t tag add $i 122.2
+ }
+ .t tag add x 141.3
+ .t tag names 141.1
+} {x y z}
+
+test btree-15.1 {rebalance with empty node} {
+ catch {destroy .t}
+ text .t
+ .t debug 1
+ .t insert end "1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n11\n12\n13\n14\n15\n16\n17\n18\n19\n20\n21\n22\n23"
+ .t delete 6.0 12.0
+ .t get 1.0 end
+} "1\n2\n3\n4\n5\n12\n13\n14\n15\n16\n17\n18\n19\n20\n21\n22\n23\n"
+
+proc setupBig {} {
+ .t delete 1.0 end
+ .t tag delete x y
+ .t tag configure x -foreground blue
+ .t tag configure y -underline true
+ # Create a Btree with 2002 lines (2000 + already existing + phantom at end)
+ # This generates a level 3 node with 9 children
+ # Most level 2 nodes cover 216 lines and have 6 children, except the last
+ # level 2 node covers 274 lines and has 7 children.
+ # Most level 1 nodes cover 36 lines and have 6 children, except the
+ # rightmost node has 58 lines and 9 children.
+ # Level 2: 2002 = 8*216 + 274
+ # Level 1: 2002 = 54*36 + 58
+ # Level 0: 2002 = 332*6 + 10
+ for {set i 0} {$i < 2000} {incr i} {
+ append x "Line $i abcd efgh ijkl\n"
+ }
+ .t insert insert $x
+ .t debug 1
+}
+
+test btree-16.1 {add tag does not push root above level 0} {
+ catch {destroy .t}
+ text .t
+ setupBig
+ .t tag add x 1.1 1.10
+ .t tag add x 5.1 5.10
+ .t tag ranges x
+} {1.1 1.10 5.1 5.10}
+test btree-16.2 {add tag pushes root up to level 1 node} {
+ catch {destroy .t}
+ text .t
+ .t debug 1
+ setupBig
+ .t tag add x 1.1 1.10
+ .t tag add x 8.1 8.10
+ .t tag ranges x
+} {1.1 1.10 8.1 8.10}
+test btree-16.3 {add tag pushes root up to level 2 node} {
+ .t tag remove x 1.0 end
+ .t tag add x 8.1 9.10
+ .t tag add x 180.1 180.end
+ .t tag ranges x
+} {8.1 9.10 180.1 180.23}
+test btree-16.4 {add tag pushes root up to level 3 node} {
+ .t tag remove x 1.0 end
+ .t tag add y 1.1 2000.0
+ .t tag add x 1.1 8.10
+ .t tag add x 180.end 217.0
+ list [.t tag ranges x] [.t tag ranges y]
+} {{1.1 8.10 180.23 217.0} {1.1 2000.0}}
+test btree-16.5 {add tag doesn't push root up} {
+ .t tag remove x 1.0 end
+ .t tag add x 1.1 8.10
+ .t tag add x 2000.0 2000.3
+ .t tag add x 180.end 217.0
+ .t tag ranges x
+} {1.1 8.10 180.23 217.0 2000.0 2000.3}
+test btree-16.6 {two node splits at once pushes root up} {
+ .t delete 1.0 end
+ for {set i 1} {$i < 10} {incr i} {
+ .t insert end "Line $i\n"
+ }
+ .t tag add x 8.0 8.end
+ .t tag add y 9.0 end
+ set x {}
+ for {} {$i < 50} {incr i} {
+ append x "Line $i\n"
+ }
+ .t insert end $x y
+ list [.t tag ranges x] [.t tag ranges y]
+} {{8.0 8.6} {9.0 51.0}}
+# The following find bugs in the SearchStart procedures
+test btree-16.7 {Partial tag remove from before first range} {
+ .t tag remove x 1.0 end
+ .t tag add x 2.0 2.6
+ .t tag remove x 1.0 2.0
+ .t tag ranges x
+} {2.0 2.6}
+test btree-16.8 {Partial tag remove from before first range} {
+ .t tag remove x 1.0 end
+ .t tag add x 2.0 2.6
+ .t tag remove x 1.0 2.1
+ .t tag ranges x
+} {2.1 2.6}
+test btree-16.9 {Partial tag remove from before first range} {
+ .t tag remove x 1.0 end
+ .t tag add x 2.0 2.6
+ .t tag remove x 1.0 2.3
+ .t tag ranges x
+} {2.3 2.6}
+test btree-16.10 {Partial tag remove from before first range} {
+ .t tag remove x 1.0 end
+ .t tag add x 1.0 2.6
+ .t tag remove x 1.0 2.5
+ .t tag ranges x
+} {2.5 2.6}
+test btree-16.11 {StartSearchBack boundary case} {
+ .t tag remove x 1.0 end
+ .t tag add x 1.3 1.4
+ .t tag prevr x 2.0 1.4
+} {}
+test btree-16.12 {StartSearchBack boundary case} {
+ .t tag remove x 1.0 end
+ .t tag add x 1.3 1.4
+ .t tag prevr x 2.0 1.3
+} {1.3 1.4}
+test btree-16.13 {StartSearchBack boundary case} {
+ .t tag remove x 1.0 end
+ .t tag add x 1.0 1.4
+ .t tag prevr x 1.3
+} {1.0 1.4}
+
+
+test btree-17.1 {remove tag does not push root down} {
+ catch {destroy .t}
+ text .t
+ .t debug 0
+ setupBig
+ .t tag add x 1.1 5.10
+ .t tag remove x 3.1 5.end
+ .t tag ranges x
+} {1.1 3.1}
+test btree-17.2 {remove tag pushes root from level 1 to level 0} {
+ .t tag remove x 1.0 end
+ .t tag add x 1.1 8.10
+ .t tag remove x 3.1 end
+ .t tag ranges x
+} {1.1 3.1}
+test btree-17.3 {remove tag pushes root from level 2 to level 1} {
+ .t tag remove x 1.0 end
+ .t tag add x 1.1 180.10
+ .t tag remove x 35.1 end
+ .t tag ranges x
+} {1.1 35.1}
+test btree-17.4 {remove tag doesn't change level 2} {
+ .t tag remove x 1.0 end
+ .t tag add x 1.1 180.10
+ .t tag remove x 35.1 180.0
+ .t tag ranges x
+} {1.1 35.1 180.0 180.10}
+test btree-17.5 {remove tag pushes root from level 3 to level 0} {
+ .t tag remove x 1.0 end
+ .t tag add x 1.1 1.10
+ .t tag add x 2000.1 2000.10
+ .t tag remove x 1.0 2000.0
+ .t tag ranges x
+} {2000.1 2000.10}
+test btree-17.6 {text deletion pushes root from level 3 to level 0} {
+ .t tag remove x 1.0 end
+ .t tag add x 1.1 1.10
+ .t tag add x 2000.1 2000.10
+ .t delete 1.0 "1000.0 lineend +1 char"
+ .t tag ranges x
+} {1000.1 1000.10}
+
+catch {destroy .t}
+text .t
+test btree-18.1 {tag search back, no tag} {
+ .t insert 1.0 "Line 1 abcd efgh ijkl\n"
+ .t tag prev x 1.1 1.1
+} {}
+test btree-18.2 {tag search back, start at existing range} {
+ .t tag remove x 1.0 end
+ .t tag add x 1.1 1.4
+ .t tag add x 1.8 1.11
+ .t tag add x 1.16
+ .t tag prev x 1.1
+} {}
+test btree-18.3 {tag search back, end at existing range} {
+ .t tag remove x 1.0 end
+ .t tag add x 1.1 1.4
+ .t tag add x 1.8 1.11
+ .t tag add x 1.16
+ .t tag prev x 1.3 1.1
+} {1.1 1.4}
+test btree-18.4 {tag search back, start within range} {
+ .t tag remove x 1.0 end
+ .t tag add x 1.1 1.4
+ .t tag add x 1.8 1.11
+ .t tag add x 1.16
+ .t tag prev x 1.10 1.0
+} {1.8 1.11}
+test btree-18.5 {tag search back, start at end of range} {
+ .t tag remove x 1.0 end
+ .t tag add x 1.1 1.4
+ .t tag add x 1.8 1.11
+ .t tag add x 1.16
+ list [.t tag prev x 1.4 1.0] [.t tag prev x 1.11 1.0]
+} {{1.1 1.4} {1.8 1.11}}
+test btree-18.6 {tag search back, start beyond range, same level 0 node} {
+ .t tag remove x 1.0 end
+ .t tag add x 1.1 1.4
+ .t tag add x 1.8 1.11
+ .t tag add x 1.16
+ .t tag prev x 3.0
+} {1.16 1.17}
+test btree-18.7 {tag search back, outside any range} {
+ .t tag remove x 1.0 end
+ .t tag add x 1.1 1.4
+ .t tag add x 1.16
+ .t tag prev x 1.8 1.5
+} {}
+test btree-18.8 {tag search back, start at start of node boundary} {
+ setupBig
+ .t tag remove x 1.0 end
+ .t tag add x 2.5 2.8
+ .t tag prev x 19.0
+} {2.5 2.8}
+test btree-18.9 {tag search back, large complex btree spans} {
+ .t tag remove x 1.0 end
+ .t tag add x 1.3 1.end
+ .t tag add x 200.0 220.0
+ .t tag add x 500.0 520.0
+ list [.t tag prev x end] [.t tag prev x 433.0]
+} {{500.0 520.0} {200.0 220.0}}
+
+
+destroy .t