regsub: fix substitution with a trailing backslash

[jimtcl.git] / tests / string.test

# Commands covered:  string
#
# This file contains a collection of tests for one or more of the Tcl
# built-in commands.  Sourcing this file into Tcl runs the tests and
# generates output for errors.  No output means no errors were found.
#
# Copyright (c) 1991-1993 The Regents of the University of California.
# Copyright (c) 1994 Sun Microsystems, Inc.
# Copyright (c) 1998-1999 by Scriptics Corporation.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# RCS: @(#) $Id: string.test,v 1.23.2.1 2001/04/03 22:54:38 hobbs Exp $

source [file dirname [info script]]/testing.tcl

# Some tests require the testobj command

test string-1.1 {error conditions} {
    list [catch {string gorp a b} msg]
} {1}
test string-1.2 {error conditions} {
    list [catch {string} msg]
} {1}

test string-2.1 {string compare, too few args} {
    list [catch {string compare a} msg]
} {1}
test string-2.2 {string compare, bad args} {
    list [catch {string compare a b c} msg]
} {1}
test string-2.3 {string compare, bad args} {
    list [catch {string compare -length -nocase str1 str2} msg]
} {1}
test string-2.4 {string compare, too many args} {
    list [catch {string compare -length 10 -nocase str1 str2 str3} msg]
} {1}
test string-2.5 {string compare with length unspecified} {
    list [catch {string compare -length 10 10} msg]
} {1}
test string-2.6 {string compare} {
    string compare abcde abdef
} -1
test string-2.7 {string compare, shortest method name} {
    string co abcde ABCDE
} 1
test string-2.8 {string compare} {
    string compare abcde abcde
} 0
test string-2.9 {string compare with length} {
    string compare -length 2 abcde abxyz
} 0
test string-2.10 {string compare with special index} {
    list [catch {string compare -length end-3 abcde abxyz} msg]
} {1}
test string-2.12 {string compare, high bit} {
    # This test will fail if the underlying comparaison
    # is using signed chars instead of unsigned chars.
    # (like SunOS's default memcmp thus the compat/memcmp.c)
    string compare "\x80" "@"
    # Nb this tests works also in utf8 space because \x80 is
    # translated into a 2 or more bytelength but whose first byte has
    # the high bit set.
} 1
test string-2.13 {string compare -nocase} {
    string compare -nocase abcde abdef
} -1
test string-2.14 {string compare -nocase} {
    string co -nocase abcde ABCDE
} 0
test string-2.15 {string compare -nocase} {
    string compare -nocase abcde abcde
} 0
test string-2.16 {string compare -nocase with length} {
    string compare -length 2 -nocase abcde Abxyz
} 0
test string-2.17 {string compare -nocase with length} {
    string compare -nocase -length 3 abcde Abxyz
} -1
test string-2.18 {string compare -nocase with length <= 0} {
    string compare -nocase -length -1 abcde AbCdEf
} -1
test string-2.19 {string compare -nocase with excessive length} {
    string compare -nocase -length 50 AbCdEf abcde
} 1
test string-2.20 {string compare -len unicode} {
    # These are strings that are 6 BYTELENGTH long, but the length
    # shouldn't make a different because there are actually 3 CHARS long
    string compare -len 5 \334\334\334 \334\334\374
} -1
test string-2.21 {string compare -nocase with special index} {
    list [catch {string compare -nocase -length end-3 Abcde abxyz} msg]
} {1}
test string-2.22 {string compare, null strings} {
    string compare "" ""
} 0
test string-2.23 {string compare, null strings} {
    string compare "" foo
} -1
test string-2.24 {string compare, null strings} {
    string compare foo ""
} 1
test string-2.25 {string compare -nocase, null strings} {
    string compare -nocase "" ""
} 0
test string-2.26 {string compare -nocase, null strings} {
    string compare -nocase "" foo
} -1
test string-2.27 {string compare -nocase, null strings} {
    string compare -nocase foo ""
} 1
test string-2.28 {string equal with length, unequal strings} {
    string compare -length 2 abc abde
} 0
test string-2.29 {string equal with length, unequal strings} {
    string compare -length 2 ab abde
} 0
# only need a few tests on equal, since it uses the same code as
# string compare, but just modifies the return output
test string-3.1 {string equal} {
    string equal abcde abdef
} 0
test string-3.2 {string equal} {
    string eq abcde ABCDE
} 0
test string-3.3 {string equal} {
    string equal abcde abcde
} 1
test string-3.4 {string equal -nocase} utf8 {
    string equal -nocase \u00dc\u00dc\u00dc\u00dc\u00fc\u00fc\u00fc\u00fc \u00dc\u00dc\u00dc\u00dc\u00dc\u00dc\u00dc\u00dc
} 1
test string-3.5 {string equal -nocase} {
    string equal -nocase abcde abdef
} 0
test string-3.6 {string equal -nocase} {
    string eq -nocase abcde ABCDE
} 1
test string-3.7 {string equal -nocase} {
    string equal -nocase abcde abcde
} 1
test string-3.8 {string equal with length, unequal strings} {
    string equal -length 2 abc abde
} 1
test string-4.1 {string first, too few args} {
    list [catch {string first a} msg]
} {1}
test string-4.2 {string first, bad args} {
    list [catch {string first a b c} msg]
} {1}
test string-4.3 {string first, too many args} {
    list [catch {string first a b 5 d} msg]
} {1}
test string-4.4 {string first} {
    string first bq abcdefgbcefgbqrs
} 12
test string-4.5 {string first} {
    string fir bcd abcdefgbcefgbqrs
} 1
test string-4.6 {string first} {
    string f b abcdefgbcefgbqrs
} 1
test string-4.7 {string first} {
    string first xxx x123xx345xxx789xxx012
} 9
test string-4.8 {string first} {
    string first "" x123xx345xxx789xxx012
} -1
test string-4.14 {string first, start index} {
    string first a abcabc end-4
} 3
test string-4.15 {string first, empty needle} {
    string first "" b
} -1
test string-4.16 {string first, empty haystack} {
    string first a ""
} -1
test string-4.17 {string first, needle bigger than haystack} {
    string first aaa b
} -1
test string-4.18 {string first, negative index} {
    string first a aaa -4
} 0
test string-4.19 {string first, not found} {
    string first a bcd
} -1

test string-5.1 {string index} {
    list [catch {string index} msg]
} {1}
test string-5.2 {string index} {
    list [catch {string index a b c} msg]
} {1}
test string-5.3 {string index} {
    string index abcde 0
} a
test string-5.4 {string index} {
    string in abcde 4
} e
test string-5.5 {string index} {
    string index abcde 5
} {}
test string-5.6 {string index} {
    list [catch {string index abcde -10} msg]
} {0}
test string-5.7 {string index} {
    list [catch {string index a xyz} msg]
} {1}
test string-5.8 {string index} {
    string index abc end
} c
test string-5.9 {string index} {
    string index abc end-1
} b
test string-5.17 {string index, bad integer} tcl {
    list [catch {string index "abc" 08} msg]
} {1}
test string-5.18 {string index, bad integer} tcl {
    list [catch {string index "abc" end-00289} msg]
} {1}
test string-6.1 {string is, too few args} jim {
    list [catch {string is} msg] $msg
} {1 {wrong # args: should be "string is class ?-strict? str"}}
test string-6.2 {string is, too few args} jim {
    list [catch {string is alpha} msg] $msg
} {1 {wrong # args: should be "string is class ?-strict? str"}}
test string-6.3 {string is, bad args} jim {
    list [catch {string is alpha -failin str} msg] $msg
} {1 {wrong # args: should be "string is class ?-strict? str"}}
test string-6.4 {string is, too many args} jim {
    list [catch {string is alpha -failin var -strict str more} msg] $msg
} {1 {wrong # args: should be "string is class ?-strict? str"}}
test string-6.5 {string is, class check} jim {
    list [catch {string is bogus str} msg] $msg
} {1 {bad class "bogus": must be alnum, alpha, ascii, control, digit, double, graph, integer, lower, print, punct, space, upper, or xdigit}}
test string-6.6 {string is, ambiguous class} jim {
    list [catch {string is al str} msg] $msg
} {1 {ambiguous class "al": must be alnum, alpha, ascii, control, digit, double, graph, integer, lower, print, punct, space, upper, or xdigit}}
test string-6.10 {string is, ok on empty} {
    string is alpha {}
} 1
test string-6.11 {string is, -strict check against empty} {
    string is alpha -strict {}
} 0
test string-6.12 {string is alnum, true} {
    string is alnum abc123
} 1
test string-6.15 {string is alpha, true} {
    string is alpha abc
} 1
test string-6.16 {string is ascii, true} {
    string is ascii abc123
} 1
test string-6.17 {string is ascii, false} {
    string is ascii 0123Ü567
} 0
test string-6.24 {string is digit, true} {
    string is digit 0123456789
} 1
test string-6.25 {string is digit, false} {
    list [string is digit 0123Ü567]
} {0}
test string-6.26 {string is digit, false} {
    list [string is digit +123567]
} {0}
test string-6.27 {string is double, true} {
    string is double 1
} 1
test string-6.28 {string is double, true} {
    string is double [expr double(1)]
} 1
test string-6.29 {string is double, true} {
    string is double 1.0
} 1
test string-6.30 {string is double, true} {
    string is double [string compare a a]
} 1
test string-6.31 {string is double, true} {
    string is double "   +1.0e-1  "
} 1
test string-6.32 {string is double, true} {
    string is double "\n1.0\v"
} 1
test string-6.33 {string is double, false} {
    list [string is double  1abc]
} {0}
test string-6.34 {string is double, false} {
    list [string is double  abc]
} {0}
test string-6.35 {string is double, false} {
    list [string is double  "   1.0e4e4  "]
} {0}
test string-6.36 {string is double, false} {
    list [string is double  "\n"]
} {0}
test string-6.38 {string is double, false on underflow} jim {
    list [string is double  123e-9999]
} {0}
test string-6.39 {string is double, false} {
    # This test is non-portable because IRIX thinks 
    # that .e1 is a valid double - this is really a bug
    # on IRIX as .e1 should NOT be a valid double

    list [string is double  .e1]
} {0}
test string-6.48 {string is integer, true} {
    string is integer +1234567890
} 1
test string-6.49 {string is integer, true on type} {
    string is integer [expr int(50.0)]
} 1
test string-6.50 {string is integer, true} {
    string is integer [list -10]
} 1
test string-6.51 {string is integer, true as hex} {
    string is integer 0xabcdef
} 1
test string-6.52 {string is integer, true as octal} {
    string is integer 012345
} 1
test string-6.53 {string is integer, true with whitespace} {
    string is integer "  \n1234\v"
} 1
test string-6.54 {string is integer, false} {
    list [string is integer  123abc]
} 0
test string-6.56 {string is integer, false} {
    list [string is integer  [expr double(1)]]
} 0
test string-6.57 {string is integer, false} {
    list [string is integer  "    "]
} 0
test string-6.58 {string is integer, false on bad octal} jim {
    list [string is integer  036963]
} 1
test string-6.59 {string is integer, false on bad octal} tcl {
    list [string is integer  036963]
} 0
test string-6.60 {string is integer, false on bad hex} {
    list [string is integer  0X345XYZ]
} 0
test string-6.61 {string is lower, true} {
    string is lower abc
} 1
test string-6.62 {string is lower, false} {
    list [string is lower  aBc]
} 0
test string-6.63 {string is lower, false} {
    list [string is lower  abc1]
} 0
test string-6.64 {string is lower, unicode false} {
    list [string is lower  abÜUE]
} 0
test string-6.65 {string is space, true} {
    string is space " \t\n\v\f"
} 1
test string-6.66 {string is space, false} {
    list [string is space  " \t\n\v1\f"]
} 0
test string-6.75 {string is upper, true} {
    string is upper ABC
} 1
test string-6.77 {string is upper, false} {
    list [string is upper  AbC]
} 0
test string-6.78 {string is upper, false} {
    list [string is upper  AB2C]
} 0
test string-6.84 {string is control} {
    ## Control chars are in the ranges
    ## 00..1F && 7F..9F
    list [string is control  \x00\x01\x10\x1F\x7F\x80\x9F\x60]
} 0
test string-6.85 {string is control} tcl {
    string is control \u0100
} 0
test string-6.86 {string is graph} {
    ## graph is any print char, except space
    list [string is gra  "0123abc!@#\$ "]
} 0
test string-6.87 {string is print} {
    ## basically any printable char
    list [string is print  "0123abc!@#\$ \010"]
} 0
test string-6.88 {string is punct} {
    ## any graph char that isn't alnum
    list [string is punct  "_!@#\000beq0"]
} 0
test string-6.89 {string is xdigit} {
    list [string is xdigit  0123456789\u0061bcdefABCDEFg]
} 0

test string-7.1 {string last, too few args} {
    list [catch {string last a} msg]
} {1}
test string-7.2 {string last, bad args} {
    list [catch {string last a b c} msg]
} {1}
test string-7.3 {string last, too many args} {
    list [catch {string last a b c d} msg]
} {1}
test string-7.4 {string last} {
    string la xxx xxxx123xx345x678
} 1
test string-7.5 {string last} {
    string last xx xxxx123xx345x678
} 7
test string-7.6 {string last} {
    string las x xxxx123xx345x678
} 12
test string-7.13 {string last, start index} {
    ## Constrain to last 'a' should work
    string last ba badbad end-1
} 3
test string-7.14 {string last, start index} {
    ## Constrain to last 'b' should skip last 'ba'
    string last ba badbad end-2
} 0
test string-7.15 {string last, start index} {
    string last \u00dca \u00dcad\u00dcad 0
} -1
test string-7.16 {string last, start index} utf8 {
    string last \u00dca \u00dcad\u00dcad end-1
} 3
test string-7.17 {string last, too few args} {
    string last abc def
} -1
test string-9.1 {string length} {
    list [catch {string length} msg]
} {1}
test string-9.2 {string length} {
    list [catch {string length a b} msg]
} {1}
test string-9.3 {string length} {
    string length "a little string"
} 15
test string-9.4 {string length} {
    string le ""
} 0

test string-10.1 {string map, too few args} {
    list [catch {string map} msg]
} {1}
test string-10.2 {string map, bad args} {
    list [catch {string map {a b} abba oops} msg]
} {1}
test string-10.3 {string map, too many args} {
    list [catch {string map -nocase {a b} str1 str2} msg]
} {1}
test string-10.4 {string map} {
    string map {a b} abba
} {bbbb}
test string-10.5 {string map} {
    string map {a b} a
} {b}
test string-10.6 {string map -nocase} {
    string map -nocase {a b} Abba
} {bbbb}
test string-10.7 {string map} {
    string map {abc 321 ab * a A} aabcabaababcab
} {A321*A*321*}
test string-10.8 {string map -nocase} {
    string map -nocase {aBc 321 Ab * a A} aabcabaababcab
} {A321*A*321*}
test string-10.9 {string map -nocase} {
    string map -no {abc 321 Ab * a A} aAbCaBaAbAbcAb
} {A321*A*321*}
test string-10.10 {string map} {
    list [catch {string map {a b c} abba} msg]
} {1}
test string-10.11 {string map, nulls} {
    string map {\x00 NULL blah \x00nix} {qwerty}
} {qwerty}
test string-10.12 {string map, unicode} {
    string map [list \u00fc ue UE \u00dc] "a\u00fcueUE\000EU"
} aueue\u00dc\0EU
test string-10.13 {string map, -nocase unicode} {
    string map -nocase [list \u00fc ue UE \u00dc] "a\u00fcueUE\000EU"
} aue\u00dc\u00dc\0EU
test string-10.14 {string map, -nocase null arguments} {
    string map -nocase {{} abc} foo
} foo
test string-10.15 {string map, one pair case} {
    string map -nocase {abc 32} aAbCaBaAbAbcAb
} {a32aBaAb32Ab}
test string-10.16 {string map, one pair case} {
    string map -nocase {ab 4321} aAbCaBaAbAbcAb
} {a4321C4321a43214321c4321}
test string-10.17 {string map, one pair case} {
    string map {Ab 4321} aAbCaBaAbAbcAb
} {a4321CaBa43214321c4321}

test string-11.1 {string match, too few args} {
    list [catch {string match a} msg]
} {1}
test string-11.2 {string match, too many args} {
    list [catch {string match a b c d} msg]
} {1}
test string-11.3 {string match} {
    string match abc abc
} 1
test string-11.4 {string match} {
    string mat abc abd
} 0
test string-11.5 {string match} {
    string match ab*c abc
} 1
test string-11.6 {string match} {
    string match ab**c abc
} 1
test string-11.7 {string match} {
    string match ab* abcdef
} 1
test string-11.8 {string match} {
    string match *c abc
} 1
test string-11.9 {string match} {
    string match *3*6*9 0123456789
} 1
test string-11.10 {string match} {
    string match *3*6*9 01234567890
} 0
test string-11.11 {string match} {
    string match a?c abc
} 1
test string-11.12 {string match} {
    string match a??c abc
} 0
test string-11.13 {string match} {
    string match ?1??4???8? 0123456789
} 1
test string-11.14 {string match} {
    string match {[abc]bc} abc
} 1
test string-11.15 {string match} {
    string match {a[abc]c} abc
} 1
test string-11.16 {string match} {
    string match {a[xyz]c} abc
} 0
test string-11.17 {string match} {
    string match {12[2-7]45} 12345
} 1
test string-11.18 {string match} {
    string match {12[ab2-4cd]45} 12345
} 1
test string-11.19 {string match} {
    string match {12[ab2-4cd]45} 12b45
} 1
test string-11.20 {string match} {
    string match {12[ab2-4cd]45} 12d45
} 1
test string-11.21 {string match} {
    string match {12[ab2-4cd]45} 12145
} 0
test string-11.22 {string match} {
    string match {12[ab2-4cd]45} 12545
} 0
test string-11.23 {string match} {
    string match {a\*b} a*b
} 1
test string-11.24 {string match} {
    string match {a\*b} ab
} 0
test string-11.25 {string match} {
    string match {a\*\?\[\]\\\x} "a*?\[\]\\x"
} 1
test string-11.26 {string match} {
    string match ** ""
} 1
test string-11.27 {string match} {
    string match *. ""
} 0
test string-11.28 {string match} {
    string match "" ""
} 1
test string-11.29 {string match} {
    string match \[a a
} 1
test string-11.30 {string match, bad args} {
    list [catch {string match - b c} msg]
} {1}
test string-11.31 {string match case} {
    string match a A
} 0
test string-11.32 {string match nocase} {
    string match -nocase a A
} 1
test string-11.34 {string match nocase} {
    string match -nocase a*f ABCDEf
} 1
test string-11.35 {string match case, false hope} {
    # This is true because '_' lies between the A-Z and a-z ranges
    string match {[A-z]} _
} 1
test string-11.36 {string match nocase range} {
    # This is false because although '_' lies between the A-Z and a-z ranges,
    # we lower case the end points before checking the ranges.
    string match -nocase {[A-z]} _
} 0
test string-11.37 {string match nocase} {
    string match -nocase {[A-fh-Z]} g
} 0
test string-11.38 {string match case, reverse range} {
    string match {[A-fh-Z]} g
} 1
test string-11.39 {string match, *\ case} {
    string match {*\abc} abc
} 1
test string-11.40 {string match, *special case} {
    string match {*[ab]} abc
} 0
test string-11.41 {string match, *special case} {
    string match {*[ab]*} abc
} 1
# I don't see why this shouldn't match. Ignored for jim
test string-11.42 {string match, *special case} tcl {
    string match "*\\" "\\"
} 0
test string-11.43 {string match, *special case} {
    string match "*\\\\" "\\"
} 1
test string-11.44 {string match, *special case} {
    string match "*???" "12345"
} 1
test string-11.45 {string match, *special case} {
    string match "*???" "12"
} 0
test string-11.46 {string match, *special case} {
    string match "*\\*" "abc*"
} 1
test string-11.47 {string match, *special case} {
    string match "*\\*" "*"
} 1
test string-11.48 {string match, *special case} {
    string match "*\\*" "*abc"
} 0
test string-11.49 {string match, *special case} {
    string match "?\\*" "a*"
} 1
# I don't see why this shouldn't match. Ignored for jim
test string-11.50 {string match, *special case} tcl {
    string match "\\" "\\"
} 0


test string-12.1 {string range} {
    list [catch {string range} msg]
} {1}
test string-12.2 {string range} {
    list [catch {string range a 1} msg]
} {1}
test string-12.3 {string range} {
    list [catch {string range a 1 2 3} msg]
} {1}
test string-12.4 {string range} {
    string range abcdefghijklmnop 2 14
} {cdefghijklmno}
test string-12.5 {string range, last > length} {
    string range abcdefghijklmnop 7 1000
} {hijklmnop}
test string-12.6 {string range} {
    string range abcdefghijklmnop 10 end
} {klmnop}
test string-12.7 {string range, last < first} {
    string range abcdefghijklmnop 10 9
} {}
test string-12.8 {string range, first < 0} {
    string range abcdefghijklmnop -3 2
} {abc}
test string-12.9 {string range} {
    string range abcdefghijklmnop -3 -2
} {}
test string-12.10 {string range} {
    string range abcdefghijklmnop 1000 1010
} {}
test string-12.11 {string range} {
    string range abcdefghijklmnop -100 end
} {abcdefghijklmnop}
test string-12.12 {string range} {
    list [catch {string range abc abc 1} msg]
} {1}
test string-12.13 {string range} {
    list [catch {string range abc 1 eof} msg]
} {1}
test string-12.14 {string range} {
    string range abcdefghijklmnop end-1 end
} {op}
test string-12.15 {string range} {
    string range abcdefghijklmnop end 1000
} {p}
test string-12.16 {string range} {
    string range abcdefghijklmnop end end-1
} {}

test string-13.1 {string repeat} {
    list [catch {string repeat} msg]
} {1}
test string-13.2 {string repeat} {
    list [catch {string repeat abc 10 oops} msg]
} {1}
test string-13.3 {string repeat} {
    string repeat {} 100
} {}
test string-13.4 {string repeat} {
    string repeat { } 5
} {     }
test string-13.5 {string repeat} {
    string repeat abc 3
} {abcabcabc}
test string-13.6 {string repeat} {
    string repeat abc -1
} {}
test string-13.7 {string repeat} {
    list [catch {string repeat abc end} msg]
} {1}
test string-13.8 {string repeat} {
    string repeat {} -1000
} {}
test string-13.9 {string repeat} {
    string repeat {} 0
} {}
test string-13.10 {string repeat} {
    string repeat def 0
} {}
test string-13.11 {string repeat} {
    string repeat def 1
} def
test string-13.12 {string repeat} {
    string repeat ab\u7266cd 3
} ab\u7266cdab\u7266cdab\u7266cd
test string-13.13 {string repeat} {
    string repeat \x00 3
} \x00\x00\x00

test string-14.1 {string replace} {
    list [catch {string replace} msg] $msg
} {1 {wrong # args: should be "string replace string first last ?string?"}}
test string-14.2 {string replace} {
    list [catch {string replace a 1} msg] $msg
} {1 {wrong # args: should be "string replace string first last ?string?"}}
test string-14.3 {string replace} {
    list [catch {string replace a 1 2 3 4} msg] $msg
} {1 {wrong # args: should be "string replace string first last ?string?"}}
test string-14.4 {string replace} {
} {}
test string-14.5 {string replace} {
    string replace abcdefghijklmnop 2 14
} {abp}
test string-14.6 {string replace} {
    string replace abcdefghijklmnop 7 1000
} {abcdefg}
test string-14.7 {string replace} {
    string replace abcdefghijklmnop 10 end
} {abcdefghij}
test string-14.8 {string replace} {
    string replace abcdefghijklmnop 10 9
} {abcdefghijklmnop}
test string-14.9 {string replace} {
    string replace abcdefghijklmnop -3 2
} {defghijklmnop}
test string-14.10 {string replace} {
    string replace abcdefghijklmnop -3 -2
} {abcdefghijklmnop}
test string-14.11 {string replace} {
    string replace abcdefghijklmnop 1000 1010
} {abcdefghijklmnop}
test string-14.12 {string replace} {
    string replace abcdefghijklmnop -100 end
} {}
test string-14.13 {string replace} {
    list [catch {string replace abc abc 1} msg] $msg
} {1 {bad index "abc": must be integer?[+-]integer? or end?[+-]integer?}}
test string-14.14 {string replace} {
    list [catch {string replace abc 1 eof} msg] $msg
} {1 {bad index "eof": must be integer?[+-]integer? or end?[+-]integer?}}
test string-14.15 {string replace} {
    string replace abcdefghijklmnop end-10 end-2 NEW
} {abcdeNEWop}
test string-14.16 {string replace} {
    string replace abcdefghijklmnop 0 end foo
} {foo}
test string-14.17 {string replace} {
    string replace abcdefghijklmnop end end-1
} {abcdefghijklmnop}

test string-15.1 {string tolower too few args} {
    list [catch {string tolower} msg]
} {1}
test string-15.2 {string tolower bad args} {
    list [catch {string tolower a b} msg]
} {1}
test string-15.3 {string tolower too many args} {
    list [catch {string tolower ABC 1 end oops} msg]
} {1}
test string-15.4 {string tolower} {
    string tolower ABCDeF
} {abcdef}
test string-15.5 {string tolower} {
    string tolower "ABC  XyZ"
} {abc  xyz}
test string-15.6 {string tolower} {
    string tolower {123#$&*()}
} {123#$&*()}

test string-16.1 {string toupper} {
    list [catch {string toupper} msg]
} {1}
test string-16.2 {string toupper} {
    list [catch {string toupper a b} msg]
} {1}
test string-16.4 {string toupper} {
    string toupper abCDEf
} {ABCDEF}
test string-16.5 {string toupper} {
    string toupper "abc xYz"
} {ABC XYZ}
test string-16.6 {string toupper} {
    string toupper {123#$&*()}
} {123#$&*()}

test string-17.1 {string totitle} -body {
    string totitle
}  -returnCodes error -match glob -result {wrong # args: should be "string totitle string*}
test string-17.3 {string totitle} {
    string totitle abCDEf
} {Abcdef}
test string-17.4 {string totitle} {
    string totitle "abc xYz"
} {Abc xyz}
test string-17.5 {string totitle} {
    string totitle {123#$&*()}
} {123#$&*()}

test string-18.1 {string trim} {
    list [catch {string trim} msg]
} {1}
test string-18.2 {string trim} {
    list [catch {string trim a b c} msg]
} {1}
test string-18.3 {string trim} {
    string trim "    XYZ      "
} {XYZ}
test string-18.4 {string trim} {
    string trim "\t\nXYZ\t\n\r\n"
} {XYZ}
test string-18.5 {string trim} {
    string trim "  A XYZ A    "
} {A XYZ A}
test string-18.6 {string trim} {
    string trim "XXYYZZABC XXYYZZ" ZYX
} {ABC }
test string-18.7 {string trim} {
    string trim "    \t\r      "
} {}
test string-18.8 {string trim} {
    string trim {abcdefg} {}
} {abcdefg}
test string-18.9 {string trim} {
    string trim {}
} {}
test string-18.10 {string trim} {
    string trim ABC DEF
} {ABC}
test string-18.11 {string trim, unicode} {
    string trim "\xe7\xe8 AB\xe7C \xe8\xe7" \xe7\xe8
} " AB\xe7C "

test string-19.1 {string trimleft} {
    list [catch {string trimleft} msg]
} {1}
test string-19.2 {string trimleft} {
    string trimleft "    XYZ      "
} {XYZ      }

test string-20.1 {string trimright errors} {
    list [catch {string trimright} msg]
} {1}
test string-20.2 {string trimright errors} {
    list [catch {string trimg a} msg]
} {1}
test string-20.3 {string trimright} {
    string trimright "    XYZ      "
} {    XYZ}
test string-20.4 {string trimright} {
    string trimright "   "
} {}
test string-20.5 {string trimright} {
    string trimright ""
} {}

# Test for 8-bit clean and utf-8 trim chars
test string-21.1 {string trim embedded nulls} {
    string trim " abc\x00def "
} "abc\x00def"
test string-21.2 {string trimleft embedded nulls} {
    string trimleft " abc\x00def "
} "abc\x00def "
test string-21.3 {string trimright embedded nulls} {
    string trimright " abc\x00def "
} " abc\x00def"
test string-21.4 {string trim utf-8} {
    string trim "\u00b5\u00b6abc\x00def\u00b5\u00b5" "\u00b5\u00b6"
} "abc\x00def"

test string-22.1 {string replace} {
    string replace //test.net/path/path2?query=url?otherquery 21 end
} {//test.net/path/path2}

test string-23.1 {string cat} {
    string cat
} {}

test string-23.2 {string cat} {
    string cat abc
} {abc}

test string-23.3 {string cat} {
    string cat abc def
} {abcdef}

test string-23.4 {string cat} {
    set abc 123
    string cat $abc (def)
} {123(def)}

testreport