| Commit | Line | Data |
|---|
| 646ca15d |
1 | #!./perl |
| 2 | |
| 3 | BEGIN { |
| 4 | chdir 't' if -d 't'; |
| 5 | @INC = qw(. ../lib); # ../lib needed for test.deparse |
| 6 | require "test.pl"; |
| 7 | } |
| 8 | |
| 9 | plan tests => 26; |
| 10 | |
| 11 | # Note that t/op/ord.t already tests for chr() <-> ord() rountripping. |
| 12 | |
| 13 | # Don't assume ASCII. |
| 14 | |
| 15 | is(chr(ord("A")), "A"); |
| 16 | |
| 17 | is(chr( 0), "\x00"); |
| 18 | is(chr(127), "\x7F"); |
| 19 | is(chr(128), "\x80"); |
| 20 | is(chr(255), "\xFF"); |
| 21 | |
| 22 | # is(chr(-1), undef); # Shouldn't it be? |
| 23 | |
| 24 | # Check UTF-8. |
| 25 | |
| 26 | sub hexes { join(" ",map{sprintf"%02x",$_}unpack("C*",chr($_[0]))) } |
| 27 | |
| 28 | # The following code points are some interesting steps in UTF-8. |
| 29 | is(hexes( 0x100), "c4 80"); |
| 30 | is(hexes( 0x7FF), "df bf"); |
| 31 | is(hexes( 0x800), "e0 a0 80"); |
| 32 | is(hexes( 0xFFF), "e0 bf bf"); |
| 33 | is(hexes( 0x1000), "e1 80 80"); |
| 34 | is(hexes( 0xCFFF), "ec bf bf"); |
| 35 | is(hexes( 0xD000), "ed 80 80"); |
| 36 | is(hexes( 0xD7FF), "ed 9f bf"); |
| 37 | is(hexes( 0xD800), "ed a0 80"); # not strict utf-8 (surrogate area begin) |
| 38 | is(hexes( 0xDFFF), "ed bf bf"); # not strict utf-8 (surrogate area end) |
| 39 | is(hexes( 0xE000), "ee 80 80"); |
| 40 | is(hexes( 0xFFFF), "ef bf bf"); |
| 41 | is(hexes( 0x10000), "f0 90 80 80"); |
| 42 | is(hexes( 0x3FFFF), "f0 bf bf bf"); |
| 43 | is(hexes( 0x40000), "f1 80 80 80"); |
| 44 | is(hexes( 0xFFFFF), "f3 bf bf bf"); |
| 45 | is(hexes(0x100000), "f4 80 80 80"); |
| 46 | is(hexes(0x10FFFF), "f4 8f bf bf"); # Unicode (4.1) last code point |
| 47 | is(hexes(0x110000), "f4 90 80 80"); |
| 48 | is(hexes(0x1FFFFF), "f7 bf bf bf"); # last four byte encoding |
| 49 | is(hexes(0x200000), "f8 88 80 80 80"); |
| 50 | |
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