path: root/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 1.8 1999/05/06 18:46:43 stanton Exp $

if {[lsearch [namespace children] ::tcltest] == -1} {
    source [file join [pwd] [file dirname [info script]] defs.tcl]
}

test string-1.1 {error conditions} {
    list [catch {string gorp a b} msg] $msg
} {1 {bad option "gorp": must be bytelength, compare, equal, first, index, is, last, length, map, match, range, repeat, replace, tolower, toupper, totitle, trim, trimleft, trimright, wordend, or wordstart}}
test string-1.2 {error conditions} {
    list [catch {string} msg] $msg
} {1 {wrong # args: should be "string option arg ?arg ...?"}}

test string-2.1 {string compare, too few args} {
    list [catch {string compare a} msg] $msg
} {1 {wrong # args: should be "string compare ?-nocase? ?-length int? string1 string2"}}
test string-2.2 {string compare, bad args} {
    list [catch {string compare a b c} msg] $msg
} {1 {bad option "a": must be -nocase or -length}}
test string-2.3 {string compare, bad args} {
    list [catch {string compare -length -nocase str1 str2} msg] $msg
} {1 {expected integer but got "-nocase"}}
test string-2.4 {string compare, too many args} {
    list [catch {string compare -length 10 -nocase str1 str2 str3} msg] $msg
} {1 {wrong # args: should be "string compare ?-nocase? ?-length int? string1 string2"}}
test string-2.5 {string compare with length unspecified} {
    list [catch {string compare -length 10 10} msg] $msg
} {1 {wrong # args: should be "string compare ?-nocase? ?-length int? string1 string2"}}
test string-2.6 {string compare} {
    string compare abcde abdef
} -1
test string-2.7 {string compare, shortest method name} {
    string c 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] $msg
} {1 {expected integer but got "end-3"}}
test string-2.11 {string compare, unicode} {
    string compare ab\u7266 ab\u7267
} -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 c -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
} 0
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] $msg
} {1 {expected integer but got "end-3"}}

# 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} {
    string equal -nocase \334\334\334\334\374\374\374\374 \334\334\334\334\334\334\334\334
} 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-4.1 {string first} {
    list [catch {string first a} msg] $msg
} {1 {wrong # args: should be "string first string1 string2"}}
test string-4.2 {string first} {
    list [catch {string first a b c} msg] $msg
} {1 {wrong # args: should be "string first string1 string2"}}
test string-4.3 {string first} {
    string first bq abcdefgbcefgbqrs
} 12
test string-4.4 {string first} {
    string fir bcd abcdefgbcefgbqrs
} 1
test string-4.5 {string first} {
    string f b abcdefgbcefgbqrs
} 1
test string-4.6 {string first} {
    string first xxx x123xx345xxx789xxx012
} 9
test string-4.7 {string first} {
    string first "" x123xx345xxx789xxx012
} -1
test string-4.8 {string first, unicode} {
    string first x abc\u7266x
} 4
test string-4.9 {string first, unicode} {
    string first \u7266 abc\u7266x
} 3

test string-5.1 {string index} {
    list [catch {string index} msg] $msg
} {1 {wrong # args: should be "string index string charIndex"}}
test string-5.2 {string index} {
    list [catch {string index a b c} msg] $msg
} {1 {wrong # args: should be "string index string charIndex"}}
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] $msg
} {0 {}}
test string-5.7 {string index} {
    list [catch {string index a xyz} msg] $msg
} {1 {bad index "xyz": must be integer or end?-integer?}}
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-5.10 {string index, unicode} {
    string index abc\u7266d 4
} d
test string-5.11 {string index, unicode} {
    string index abc\u7266d 3
} \u7266

test string-6.1 {string is, too few args} {
    list [catch {string is} msg] $msg
} {1 {wrong # args: should be "string is class ?-strict? ?-failindex var? str"}}
test string-6.2 {string is, too few args} {
    list [catch {string is alpha} msg] $msg
} {1 {wrong # args: should be "string is class ?-strict? ?-failindex var? str"}}
test string-6.3 {string is, bad args} {
    list [catch {string is alpha -failin str} msg] $msg
} {1 {wrong # args: should be "string is alpha ?-strict? ?-failindex var? str"}}
test string-6.4 {string is, too many args} {
    list [catch {string is alpha -failin var -strict str more} msg] $msg
} {1 {wrong # args: should be "string is class ?-strict? ?-failindex var? str"}}
test string-6.5 {string is, class check} {
    list [catch {string is bogus str} msg] $msg
} {1 {bad class "bogus": must be alnum, alpha, ascii, boolean, digit, double, false, integer, lower, space, true, upper, or wordchar}}
test string-6.6 {string is, ambiguous class} {
    list [catch {string is al str} msg] $msg
} {1 {ambiguous class "al": must be alnum, alpha, ascii, boolean, digit, double, false, integer, lower, space, true, upper, or wordchar}}
test string-6.7 {string is alpha, all ok} {
    string is alpha -strict -failindex var abc
} 1
test string-6.8 {string is, error in var} {
    list [string is alpha -failindex var abc5def] $var
} {0 3}
test string-6.9 {string is, var shouldn't get set} {
    catch {unset var}
    list [catch {string is alpha -failindex var abc; set var} msg] $msg
} {1 {can't read "var": no such variable}}
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-6.13 {string is alnum, false} {
    list [string is alnum -failindex var abc1.23] $var
} {0 4}
test string-6.14 {string is alnum, unicode} {
    string is alnum abcü
} 1
test string-6.15 {string is alpha, true} {
    string is alpha abc
} 1
test string-6.16 {string is alpha, false} {
    list [string is alpha -fail var a1bcde] $var
} {0 1}
test string-6.17 {string is alpha, unicode} {
    string is alpha abc\374
} 1
test string-6.18 {string is ascii, true} {
    string is ascii abc\u007Fend
} 1
test string-6.19 {string is ascii, false} {
    list [string is ascii -fail var abcdef\u0080more] $var
} {0 6}
test string-6.20 {string is boolean, true} {
    string is boolean true
} 1
test string-6.21 {string is boolean, true} {
    string is boolean f
} 1
test string-6.22 {string is boolean, true based on type} {
    string is bool [string compare a a]
} 1
test string-6.23 {string is boolean, false} {
    list [string is bool -fail var yada] $var
} {0 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 -fail var 0123Ü567] $var
} {0 4}
test string-6.26 {string is digit, false} {
    list [string is digit -fail var +123567] $var
} {0 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 -fail var 1abc] $var
} {0 1}
test string-6.34 {string is double, false} {
    list [string is double -fail var abc] $var
} {0 0}
test string-6.35 {string is double, false} {
    list [string is double -fail var "   1.0e4e4  "] $var
} {0 8}
test string-6.36 {string is double, false} {
    list [string is double -fail var "\n"] $var
} {0 0}
test string-6.37 {string is double, false on int overflow} {
    list [string is double -fail var 12345678901234567890] $var
} {0 -1}
test string-6.38 {string is double, false on underflow} {
    catch {unset var}
    list [string is double -fail var 123e-9999] $var
} {0 -1}
test string-6.39 {string is double, false} {
    list [string is double -fail var .e1] $var
} {0 0}
test string-6.40 {string is false, true} {
    string is false false
} 1
test string-6.41 {string is false, true} {
    string is false FaLsE
} 1
test string-6.42 {string is false, true} {
    string is false N
} 1
test string-6.43 {string is false, true} {
    string is false 0
} 1
test string-6.44 {string is false, true} {
    string is false off
} 1
test string-6.45 {string is false, false} {
    list [string is false -fail var abc] $var
} {0 0}
test string-6.46 {string is false, false} {
    catch {unset var}
    list [string is false -fail var Y] $var
} {0 0}
test string-6.47 {string is false, false} {
    catch {unset var}
    list [string is false -fail var offensive] $var
} {0 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 -fail var 123abc] $var
} {0 3}
test string-6.55 {string is integer, false on overflow} {
    list [string is integer -fail var +12345678901234567890] $var
} {0 -1}
test string-6.56 {string is integer, false} {
    list [string is integer -fail var [expr double(1)]] $var
} {0 1}
test string-6.57 {string is integer, false} {
    list [string is integer -fail var "    "] $var
} {0 0}
test string-6.58 {string is integer, false on bad octal} {
    list [string is integer -fail var 036963] $var
} {0 3}
test string-6.59 {string is integer, false on bad hex} {
    list [string is integer -fail var 0X345XYZ] $var
} {0 5}
test string-6.60 {string is lower, true} {
    string is lower abc
} 1
test string-6.61 {string is lower, unicode true} {
    string is lower abcüue
} 1
test string-6.62 {string is lower, false} {
    list [string is lower -fail var aBc] $var
} {0 1}
test string-6.63 {string is lower, false} {
    list [string is lower -fail var abc1] $var
} {0 3}
test string-6.64 {string is lower, unicode false} {
    list [string is lower -fail var abÜUE] $var
} {0 2}
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 -fail var " \t\n\v1\f"] $var
} {0 4}
test string-6.67 {string is true, true} {
    string is true true
} 1
test string-6.68 {string is true, true} {
    string is true TrU
} 1
test string-6.69 {string is true, true} {
    string is true ye
} 1
test string-6.70 {string is true, true} {
    string is true 1
} 1
test string-6.71 {string is true, true} {
    string is true on
} 1
test string-6.72 {string is true, false} {
    list [string is true -fail var onto] $var
} {0 0}
test string-6.73 {string is true, false} {
    catch {unset var}
    list [string is true -fail var 25] $var
} {0 0}
test string-6.74 {string is true, false} {
    catch {unset var}
    list [string is true -fail var no] $var
} {0 0}
test string-6.75 {string is upper, true} {
    string is upper ABC
} 1
test string-6.76 {string is upper, unicode true} {
    string is upper ABCÜUE
} 1
test string-6.77 {string is upper, false} {
    list [string is upper -fail var AbC] $var
} {0 1}
test string-6.78 {string is upper, false} {
    list [string is upper -fail var AB2C] $var
} {0 2}
test string-6.79 {string is upper, unicode false} {
    list [string is upper -fail var ABCüue] $var
} {0 3}
test string-6.80 {string is wordchar, true} {
    string is wordchar abc_123
} 1
test string-6.81 {string is wordchar, unicode true} {
    string is wordchar abcüabÜAB\u5001
} 1
test string-6.82 {string is wordchar, false} {
    list [string is wordchar -fail var abcd.ef] $var
} {0 4}
test string-6.83 {string is wordchar, unicode false} {
    list [string is wordchar -fail var abc\u0080def] $var
} {0 3}

test string-7.1 {string last} {
    list [catch {string last a} msg] $msg
} {1 {wrong # args: should be "string last string1 string2"}}
test string-7.2 {string last} {
    list [catch {string last a b c} msg] $msg
} {1 {wrong # args: should be "string last string1 string2"}}
test string-7.3 {string last} {
    string la xxx xxxx123xx345x678
} 1
test string-7.4 {string last} {
    string last xx xxxx123xx345x678
} 7
test string-7.5 {string last} {
    string las x xxxx123xx345x678
} 12
test string-7.6 {string last, unicode} {
    string las x xxxx12\u7266xx345x678
} 12
test string-7.7 {string last, unicode} {
    string las \u7266 xxxx12\u7266xx345x678
} 6

test cmdMZ-8.1 {Tcl_StringObjCmd: string bytelength} {
    list [catch {string bytelength} msg] $msg
} {1 {wrong # args: should be "string bytelength string"}}
test cmdMZ-8.2 {Tcl_StringObjCmd: string bytelength} {
    list [catch {string bytelength a b} msg] $msg
} {1 {wrong # args: should be "string bytelength string"}}
test cmdMZ-8.3 {Tcl_StringObjCmd: string bytelength} {
    string bytelength "\u00c7"
} 2
test cmdMZ-8.4 {Tcl_StringObjCmd: string bytelength} {
    string b ""
} 0

test string-9.1 {string length} {
    list [catch {string length} msg] $msg
} {1 {wrong # args: should be "string length string"}}
test string-9.2 {string length} {
    list [catch {string length a b} msg] $msg
} {1 {wrong # args: should be "string length string"}}
test string-9.3 {string length} {
    string length "a little string"
} 15
test string-9.4 {string length} {
    string le ""
} 0
test string-9.5 {string length, unicode} {
    string le "abcd\u7266"
} 5

test string-10.1 {string map, too few args} {
    list [catch {string map} msg] $msg
} {1 {wrong # args: should be "string map ?-nocase? charMap string"}}
test string-10.2 {string map, bad args} {
    list [catch {string map {a b} abba oops} msg] $msg
} {1 {bad option "a b": must be -nocase}}
test string-10.3 {string map, too many args} {
    list [catch {string map -nocase {a b} str1 str2} msg] $msg
} {1 {wrong # args: should be "string map ?-nocase? charMap string"}}
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] $msg
} {1 {char map list unbalanced}}
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 \374 ue UE \334] "a\374ueUE\000EU"
} aueue\334\0EU
test string-10.13 {string map, -nocase unicode} {
    string map -nocase [list \374 ue UE \334] "a\374ueUE\000EU"
} aue\334\334\0EU

test string-11.1 {string match} {
    list [catch {string match a} msg] $msg
} {1 {wrong # args: should be "string match pattern string"}}
test string-11.2 {string match} {
    list [catch {string match a b c} msg] $msg
} {1 {wrong # args: should be "string match pattern string"}}
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-12.1 {string range} {
    list [catch {string range} msg] $msg
} {1 {wrong # args: should be "string range string first last"}}
test string-12.2 {string range} {
    list [catch {string range a 1} msg] $msg
} {1 {wrong # args: should be "string range string first last"}}
test string-12.3 {string range} {
    list [catch {string range a 1 2 3} msg] $msg
} {1 {wrong # args: should be "string range string first last"}}
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 e
} {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] $msg
} {1 {bad index "abc": must be integer or end?-integer?}}
test string-12.13 {string range} {
    list [catch {string range abc 1 eof} msg] $msg
} {1 {bad index "eof": must be integer or end?-integer?}}
test string-12.14 {string range} {
    string range abcdefghijklmnop end-1 end
} {op}
test string-12.15 {string range} {
    string range abcdefghijklmnop e 1000
} {p}
test string-12.16 {string range} {
    string range abcdefghijklmnop end end-1
} {}
test string-12.17 {string range, unicode} {
    string range ab\u7266cdefghijklmnop 5 5
} e
test string-12.18 {string range, unicode} {
    string range ab\u7266cdefghijklmnop 2 3
} \u7266c

test string-13.1 {string repeat} {
    list [catch {string repeat} msg] $msg
} {1 {wrong # args: should be "string repeat string count"}}
test string-13.2 {string repeat} {
    list [catch {string repeat abc 10 oops} msg] $msg
} {1 {wrong # args: should be "string repeat string count"}}
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] $msg
} {1 {expected integer but got "end"}}

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 e
} {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 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 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 e 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] $msg
} {1 {wrong # args: should be "string tolower string ?first? ?last?"}}
test string-15.2 {string tolower bad args} {
    list [catch {string tolower a b} msg] $msg
} {1 {bad index "b": must be integer or end?-integer?}}
test string-15.3 {string tolower too many args} {
    list [catch {string tolower ABC 1 end oops} msg] $msg
} {1 {wrong # args: should be "string tolower string ?first? ?last?"}}
test string-15.4 {string tolower} {
    string tolower ABCDeF
} {abcdef}
test string-15.5 {string tolower} {
    string tolower "ABC  XyZ"
} {abc  xyz}
test string-15.6 {string tolower} {
    string tolower {123#$&*()}
} {123#$&*()}
test string-15.7 {string tolower} {
    string tolower ABC 1
} AbC
test string-15.8 {string tolower} {
    string tolower ABC 1 end
} Abc
test string-15.9 {string tolower} {
    string tolower ABC 0 end-1
} abC
test string-15.10 {string tolower, unicode} {
     string tolower ABCabc\xc7\xe7
} "abcabc\xe7\xe7"

test string-16.1 {string toupper} {
    list [catch {string toupper} msg] $msg
} {1 {wrong # args: should be "string toupper string ?first? ?last?"}}
test string-16.2 {string toupper} {
    list [catch {string toupper a b} msg] $msg
} {1 {bad index "b": must be integer or end?-integer?}}
test string-16.3 {string toupper} {
    list [catch {string toupper a 1 end oops} msg] $msg
} {1 {wrong # args: should be "string toupper string ?first? ?last?"}}
test string-16.4 {string toupper} {
    string toupper abCDEf
} {ABCDEF}
test string-16.5 {string toupper} {
    string toupper "abc xYz"
} {ABC XYZ}
test string-16.6 {string toupper} {
    string toupper {123#$&*()}
} {123#$&*()}
test string-16.7 {string toupper} {
    string toupper abc 1
} aBc
test string-16.8 {string toupper} {
    string toupper abc 1 end
} aBC
test string-16.9 {string toupper} {
    string toupper abc 0 end-1
} ABc
test string-16.10 {string toupper, unicode} {
    string toupper ABCabc\xc7\xe7
} "ABCABC\xc7\xc7"

test string-17.1 {string totitle} {
    list [catch {string totitle} msg] $msg
} {1 {wrong # args: should be "string totitle string ?first? ?last?"}}
test string-17.2 {string totitle} {
    list [catch {string totitle a b} msg] $msg
} {1 {bad index "b": must be integer or end?-integer?}}
test string-17.3 {string totitle} {
    string totitle abCDEf
} {Abcdef}
test string-17.4 {string totitle} {
    string totitle "abc xYz"
} {Abc xyz}
test string-17.5 {string totitle} {
    string totitle {123#$&*()}
} {123#$&*()}
test string-17.6 {string totitle, unicode} {
    string totitle ABCabc\xc7\xe7
} "Abcabc\xe7\xe7"
test string-17.7 {string totitle, unicode} {
    string totitle \u01f3BCabc\xc7\xe7
} "\u01f2bcabc\xe7\xe7"

test string-18.1 {string trim} {
    list [catch {string trim} msg] $msg
} {1 {wrong # args: should be "string trim string ?chars?"}}
test string-18.2 {string trim} {
    list [catch {string trim a b c} msg] $msg
} {1 {wrong # args: should be "string trim string ?chars?"}}
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] $msg
} {1 {wrong # args: should be "string trimleft string ?chars?"}}
test string-19.2 {string trimleft} {
    string trimleft "    XYZ      "
} {XYZ      }

test string-20.1 {string trimright errors} {
    list [catch {string trimright} msg] $msg
} {1 {wrong # args: should be "string trimright string ?chars?"}}
test string-20.2 {string trimright errors} {
    list [catch {string trimg a} msg] $msg
} {1 {bad option "trimg": must be bytelength, compare, equal, first, index, is, last, length, map, match, range, repeat, replace, tolower, toupper, totitle, trim, trimleft, trimright, wordend, or wordstart}}
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 string-21.1 {string wordend} {
    list [catch {string wordend a} msg] $msg
} {1 {wrong # args: should be "string wordend string index"}}
test string-21.2 {string wordend} {
    list [catch {string wordend a b c} msg] $msg
} {1 {wrong # args: should be "string wordend string index"}}
test string-21.3 {string wordend} {
    list [catch {string wordend a gorp} msg] $msg
} {1 {bad index "gorp": must be integer or end?-integer?}}
test string-21.4 {string wordend} {
    string wordend abc. -1
} 3
test string-21.5 {string wordend} {
    string wordend abc. 100
} 4
test string-21.6 {string wordend} {
    string wordend "word_one two three" 2
} 8
test string-21.7 {string wordend} {
    string wordend "one .&# three" 5
} 6
test string-21.8 {string wordend} {
    string worde "x.y" 0
} 1
test string-21.9 {string wordend} {
    string worde "x.y" end-1
} 2
test string-21.10 {string wordend, unicode} {
    string wordend "xyz\u00c7de fg" 0
} 6
test string-21.11 {string wordend, unicode} {
    string wordend "xyz\uc700de fg" 0
} 6
test string-21.12 {string wordend, unicode} {
    string wordend "xyz\u203fde fg" 0
} 6
test string-21.13 {string wordend, unicode} {
    string wordend "xyz\u2045de fg" 0
} 3
test string-21.14 {string wordend, unicode} {
    string wordend "\uc700\uc700 abc" 8
} 6

test string-22.1 {string wordstart} {
    list [catch {string word a} msg] $msg
} {1 {ambiguous option "word": must be bytelength, compare, equal, first, index, is, last, length, map, match, range, repeat, replace, tolower, toupper, totitle, trim, trimleft, trimright, wordend, or wordstart}}
test string-22.2 {string wordstart} {
    list [catch {string wordstart a} msg] $msg
} {1 {wrong # args: should be "string wordstart string index"}}
test string-22.3 {string wordstart} {
    list [catch {string wordstart a b c} msg] $msg
} {1 {wrong # args: should be "string wordstart string index"}}
test string-22.4 {string wordstart} {
    list [catch {string wordstart a gorp} msg] $msg
} {1 {bad index "gorp": must be integer or end?-integer?}}
test string-22.5 {string wordstart} {
    string wordstart "one two three_words" 400
} 8
test string-22.6 {string wordstart} {
    string wordstart "one two three_words" 2
} 0
test string-22.7 {string wordstart} {
    string wordstart "one two three_words" -2
} 0
test string-22.8 {string wordstart} {
    string wordstart "one .*&^ three" 6
} 6
test string-22.9 {string wordstart} {
    string wordstart "one two three" 4
} 4
test string-22.10 {string wordstart} {
    string wordstart "one two three" end-5
} 7
test string-22.11 {string wordstart, unicode} {
    string wordstart "one tw\u00c7o three" 7
} 4
test string-22.12 {string wordstart, unicode} {
    string wordstart "ab\uc700\uc700 cdef ghi" 12
} 10
test string-22.13 {string wordstart, unicode} {
    string wordstart "\uc700\uc700 abc" 8
} 3

# cleanup
::tcltest::cleanupTests
return