# This file contains a collection of tests for tclUtf.c
# Sourcing this file into Tcl runs the tests and generates output for
# errors.  No output means no errors were found.
#
# Copyright (c) 1997 Sun Microsystems, Inc.
# Copyright (c) 1998-1999 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: utf.test,v 1.14 2007/05/02 01:37:28 kennykb Exp $

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

needs constraint utf8

catch {unset x}

test utf-1.1 {Tcl_UniCharToUtf: 1 byte sequences} {
    set x \x01
} [bytestring "\x01"]
test utf-1.2 {Tcl_UniCharToUtf: 2 byte sequences} {
    set x "\u80"
} [bytestring "\xc2\x80"]
test utf-1.3 {Tcl_UniCharToUtf: 2 byte sequences} {
    set x "\ue0"
} [bytestring "\xc3\xa0"]
test utf-1.4 {Tcl_UniCharToUtf: 3 byte sequences} {
    set x "\u4e4e"
} [bytestring "\xe4\xb9\x8e"]
test utf-1.5 {Tcl_UniCharToUtf: negative Tcl_UniChar} {
    string length [format %c -1]
} 1

test utf-2.1 {Tcl_UtfToUniChar: low ascii} {
    string length "abc"
} {3}
test utf-2.2 {Tcl_UtfToUniChar: naked trail bytes} {
    string length [bytestring "\x82\x83\x84"]
} {3}
test utf-2.3 {Tcl_UtfToUniChar: lead (2-byte) followed by non-trail} {
    string length [bytestring "\xC2"]
} {1}
test utf-2.4 {Tcl_UtfToUniChar: lead (2-byte) followed by trail} {
    string length [bytestring "\xC2\xa2"]
} {1}
test utf-2.5 {Tcl_UtfToUniChar: lead (3-byte) followed by non-trail} {
    string length [bytestring "\xE2"]
} {1}
test utf-2.6 {Tcl_UtfToUniChar: lead (3-byte) followed by 1 trail} {
    string length [bytestring "\xE2\xA2"]
} {2}
test utf-2.7 {Tcl_UtfToUniChar: lead (3-byte) followed by 2 trail} {
    string length [bytestring "\xE4\xb9\x8e"]
} {1}
# Note that Tcl may or may not support utf-8 sequences >= 4 bytes
test utf-2.9 {Tcl_UtfToUniChar: 4-byte UTF sequence} {
    string length [bytestring "\xF4\xA2\xA2\xA2"]
} {1}

test utf-3.1 {Tcl_UtfCharComplete} {
} {}

proc testnumutfchars {a {n ""}} {
    string length $a
}

test utf-4.1 {Tcl_NumUtfChars: zero length} {
    testnumutfchars ""
} {0}
test utf-4.2 {Tcl_NumUtfChars: length 1} {
    testnumutfchars [bytestring "\xC2\xA2"]
} {1}
test utf-4.3 {Tcl_NumUtfChars: long string} {
    testnumutfchars [bytestring "abc\xC2\xA2\xe4\xb9\x8e\uA2\u4e4e"]
} {7}
# This is an invalid utf-8 sequence. Not minimal, so should return 2
test utf-4.4 {Tcl_NumUtfChars: #u0000} tcl {
    testnumutfchars [bytestring "\xC0\x80"]
} {1}
test utf-4.5 {Tcl_NumUtfChars: zero length, calc len} {
    testnumutfchars "" 1
} {0}
test utf-4.6 {Tcl_NumUtfChars: length 1, calc len} {
    testnumutfchars [bytestring "\xC2\xA2"] 1
} {1}
test utf-4.7 {Tcl_NumUtfChars: long string, calc len} {
    testnumutfchars [bytestring "abc\xC2\xA2\xe4\xb9\x8e\uA2\u4e4e"] 1
} {7}
test utf-4.8 {Tcl_NumUtfChars: #u0000, calc len} tcl {
    testnumutfchars [bytestring "\xC0\x80"] 1
} {1}

test utf-5.1 {Tcl_UtfFindFirsts} {
} {}

test utf-6.1 {Tcl_UtfNext} {
} {}

test utf-7.1 {Tcl_UtfPrev} {
} {}

test utf-8.1 {Tcl_UniCharAtIndex: index = 0} {
    string index abcd 0
} {a}
test utf-8.2 {Tcl_UniCharAtIndex: index = 0} {
    string index \u4e4e\u25a 0
} "\u4e4e"
test utf-8.3 {Tcl_UniCharAtIndex: index > 0} {
    string index abcd 2
} {c}
test utf-8.4 {Tcl_UniCharAtIndex: index > 0} {
    string index \u4e4e\u25a\uff\u543 2
} "\uff"

test utf-9.1 {Tcl_UtfAtIndex: index = 0} {
    string range abcd 0 2
} {abc}
test utf-9.2 {Tcl_UtfAtIndex: index > 0} {
    string range \u4e4e\u25a\xff\u543klmnop 1 5
} "\u25a\xff\u543kl"


test utf-10.1 {Tcl_UtfBackslash: dst == NULL} {
    set x \n
} {
}
test utf-10.2 {Tcl_UtfBackslash: \u subst} {
    set x \ua2
} [bytestring "\xc2\xa2"]
test utf-10.3 {Tcl_UtfBackslash: longer \u subst} {
    set x \u4e21
} [bytestring "\xe4\xb8\xa1"]
test utf-10.4 {Tcl_UtfBackslash: stops at first non-hex} {
    set x \u4e2k
} "[bytestring \xd3\xa2]k"
test utf-10.5 {Tcl_UtfBackslash: stops after 4 hex chars} {
    set x \u4e216
} "[bytestring \xe4\xb8\xa1]6"
proc bsCheck {char num} {
    global errNum
    test utf-10.$errNum {backslash substitution} {
	scan $char %c value
	set value
    } $num
    incr errNum
}
set errNum 6
bsCheck \b	8
bsCheck \e	101
bsCheck \f	12
bsCheck \n	10
bsCheck \r	13
bsCheck \t	9
bsCheck \v	11
bsCheck \{	123
bsCheck \}	125
bsCheck \[	91
bsCheck \]	93
bsCheck \$	36
bsCheck \ 	32
bsCheck \;	59
bsCheck \\	92
bsCheck \Ca	67
bsCheck \Ma	77
bsCheck \CMa	67
# prior to 8.3, this returned 8, as \8 as accepted as an
# octal value - but it isn't! [Bug: 3975]
bsCheck \8a	56
bsCheck \14	12
bsCheck \141	97
bsCheck b\0	98
bsCheck \x	120
bsCheck \ua	10
bsCheck \uA	10
bsCheck \u41	65
bsCheck \u	117
bsCheck \uk	117
bsCheck \u41	65
bsCheck \ua	10
bsCheck \uA	10
bsCheck \340	224
bsCheck \ua1	161
bsCheck \u4e21	20001

test utf-11.1 {Tcl_UtfToUpper} {
    string toupper {}
} {}
test utf-11.2 {Tcl_UtfToUpper} {
    string toupper abc
} ABC
test utf-11.3 {Tcl_UtfToUpper} {
    string toupper \u00e3ab
} \u00c3AB
test utf-11.4 {Tcl_UtfToUpper} {
    string toupper \u01e3ab
} \u01e2AB

test utf-12.1 {Tcl_UtfToLower} {
    string tolower {}
} {}
test utf-12.2 {Tcl_UtfToLower} {
    string tolower ABC
} abc
test utf-12.3 {Tcl_UtfToLower} {
    string tolower \u00c3AB
} \u00e3ab
test utf-12.4 {Tcl_UtfToLower} {
    string tolower \u01e2AB
} \u01e3ab


test utf-14.1 {Tcl_UtfNcasecmp} {
    string compare -nocase a b
} -1
test utf-14.2 {Tcl_UtfNcasecmp} {
    string compare -nocase b a
} 1
test utf-14.3 {Tcl_UtfNcasecmp} {
    string compare -nocase B a
} 1
test utf-14.4 {Tcl_UtfNcasecmp} {
    string compare -nocase aBcB abca
} 1

test utf-15.1 {Tcl_UniCharToUpper, negative delta} {
    string toupper aA
} AA
test utf-15.2 {Tcl_UniCharToUpper, positive delta} {
    string toupper \u0178\u00ff
} \u0178\u0178
test utf-15.3 {Tcl_UniCharToUpper, no delta} {
    string toupper !
} !

test utf-16.1 {Tcl_UniCharToLower, negative delta} {
    string tolower aA
} aa
test utf-16.2 {Tcl_UniCharToLower, positive delta} {
    string tolower \u0178\u00ff
} \u00ff\u00ff
test utf-17.1 {Tcl_UniCharToLower, no delta} {
    string tolower !
} !


#test utf-21.1 {TclUniCharIsAlnum} {
#    # this returns 1 with Unicode 3 compliance
#    string is alnum \u1040\u021f
#} {1}
#test utf-21.2 {unicode alnum char in regc_locale.c} {
#    # this returns 1 with Unicode 3 compliance
#    list [regexp {^[[:alnum:]]+$} \u1040\u021f] [regexp {^\w+$} \u1040\u021f]
#} {1 1}

#test utf-22.1 {TclUniCharIsWordChar} {
#    string wordend "xyz123_bar fg" 0
#} 10
#test utf-22.2 {TclUniCharIsWordChar} {
#    string wordend "x\u5080z123_bar\u203c fg" 0
#} 10

#test utf-23.1 {TclUniCharIsAlpha} {
#    # this returns 1 with Unicode 3 compliance
#    string is alpha \u021f
#} {1}
#test utf-23.2 {unicode alpha char in regc_locale.c} {
#    # this returns 1 with Unicode 3 compliance
#    regexp {^[[:alpha:]]+$} \u021f
#} {1}
#
#test utf-24.1 {TclUniCharIsDigit} {
#    # this returns 1 with Unicode 3 compliance
#    string is digit \u1040
#} {1}
#test utf-24.2 {unicode digit char in regc_locale.c} {
#    # this returns 1 with Unicode 3 compliance
#    list [regexp {^[[:digit:]]+$} \u1040] [regexp {^\d+$} \u1040]
#} {1 1}
#
#test utf-24.3 {TclUniCharIsSpace} {
#    # this returns 1 with Unicode 3 compliance
#    string is space \u1680
#} {1}
#test utf-24.4 {unicode space char in regc_locale.c} {
#    # this returns 1 with Unicode 3 compliance
#    list [regexp {^[[:space:]]+$} \u1680] [regexp {^\s+$} \u1680]
#} {1 1}

testreport