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<script src="resources/char-decoding-utils.js"></script>
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<div id="console"></div>
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description("This tests decoding characters in various character sets.");

testDecode('UTF-8', '%E2%88%9A', 'U+221A');

// <http://bugs.webkit.org/show_bug.cgi?id=17014> EUC-CN code A3A0 is mapped to U+E5E5 instead of U+3000
testDecode('gb2312', '%A3%A0', 'U+3000');
testDecode('gb_2312-80', '%A3%A0', 'U+3000');
testDecode('chinese', '%A3%A0', 'U+3000');
testDecode('gbk', '%A3%A0', 'U+3000');
testDecode('gb18030', '%A3%A0', 'U+3000');
testDecode('EUC-CN', '%A3%A0', 'U+3000');

// Test Shift_JIS aliases.
testDecode('Shift_JIS', '%82%d0', 'U+3072');
testDecode('shift-jis', '%82%d0', 'U+3072');

// Test that all Korean encodings of EUC-KR family are treated as windows-949.
var korean = {
    encodings: ['korean', 'EUC-KR', 'windows-949', 'x-windows-949', 'x-uhc',
                'iso-ir-149', 'KS_C_5601-1987', 'KS_C_5601-1989' ],
    encoded: ['%A2%E6', '%A1%A4', '%A1%A9', '%A1%AA', '%A1%AD', '%A2%A6',
              '%A2%C1', '%1A',    '%1C',    '%8F%A1', '%B4%D3', '%A2%41'],
    unicode: ['U+20AC', 'U+00B7', 'U+00AD', 'U+2015', 'U+223C', 'U+FF5E', 
              'U+2299', 'U+001A', 'U+001C', 'U+B8EA', 'U+B2D2', 'U+C910'] 
};

batchTestDecode(korean);
   
// Test that ISO-8859-9 (Turkish) is upgraded to windows-1254 with Euro symbol.
var turkish = {
  encodings: ['iso-8859-9', 'latin5', 'windows-1254'],
  encoded: ['%80', '%9F', '%FD'],
  unicode: ['U+20AC', 'U+0178', 'U+0131']
};

batchTestDecode(turkish);

// FIXME: Have to add tests for Euro and a few new characters added to ISO-8859-x 
// that are NOT subsets of the corresponding Windows codepages. For instance,
// ISO-8859-7:2003 has Euro at 0xA4 and a couple of other new characters.
// ICU 3.8.x or later has them. Perhaps, we need to have a separate test that
// can be enabled only with modern ICU.

// Baltic encodings fine points.
testDecode('ISO-8859-13', '%A1', 'U+201D');
testDecode('ISO-8859-13', '%A5', 'U+201E');
testDecode('ISO-8859-13', '%B4', 'U+201C');
testDecode('ISO-8859-13', '%FF', 'U+2019');
testDecode('windows-1257', '%80', 'U+20AC');
testDecode('windows-1257', '%B4', 'U+00B4');
testDecode('windows-1257', '%FF', 'U+02D9');

// Greek encodings fine points.
testDecode('iso-8859-7', '%A1', 'U+2018');
testDecode('iso-8859-7', '%B5', 'U+0385');
testDecode('iso-8859-7', '%B6', 'U+0386');
testDecode('windows-1253', '%80', 'U+20AC');
testDecode('windows-1253', '%A1', 'U+0385');
testDecode('windows-1253', '%B5', 'U+00B5');
testDecode('windows-1253', '%B6', 'U+00B6');

// KOI-8 variants
testDecode('KOI8-R', '%A4', 'U+2553');
testDecode('KOI8-R', '%AD', 'U+255C');
testDecode('KOI8-U', '%A4', 'U+0454');
testDecode('KOI8-U', '%AD', 'U+0491');

// Test that TIS-620 and ISO-8859-11 (Thai) are upgraded to windows-874.
// "0xDB => U+F8C1" is a weird PUA mapping that doesn't seem to be of
// any use, even on Windows.
var thai = {
  encodings: ['TIS-620', 'ISO-8859-11', 'windows-874', 'dos-874'],
  encoded: ['%80', '%96', '%A0', '%A1', '%DB'],
  unicode: ['U+20AC', 'U+2013', 'U+00A0', 'U+0E01', 'U+F8C1']
};

batchTestDecode(thai);

// UTF-7 is expressly forbidden, so decoding it should not work correctly.
// This attempts to decode '<' as UTF-7 (+AD4) but it ends up being decoded
// as a '+AD4'.
testDecode('UTF-7', '+AD4', 'U+002B/U+0041/U+0044/U+0034');
testDecode('utf-7', '+AD4', 'U+002B/U+0041/U+0044/U+0034');

// UTF-16LE and variants.
testDecode('UTF-16LE', '%69%D8%D6%DE', 'U+D869/U+DED6');
testDecode('unicodeFEFF', '%69%D8%D6%DE', 'U+D869/U+DED6');
// According to HTML5 and for IE compatibility, UTF-16 is treated as little endian. The following tests fail as of Firefox 3.6.13.
testDecode('UTF-16', '%69%D8%D6%DE', 'U+D869/U+DED6');
testDecode('ISO-10646-UCS-2', '%69%D8%D6%DE', 'U+D869/U+DED6');
testDecode('UCS-2', '%69%D8%D6%DE', 'U+D869/U+DED6');
testDecode('Unicode', '%69%D8%D6%DE', 'U+D869/U+DED6');
testDecode('csUnicode', '%69%D8%D6%DE', 'U+D869/U+DED6');

// UTF-16BE and variants.
testDecode('UTF-16BE', '%D8%69%DE%D6', 'U+D869/U+DED6');
testDecode('unicodeFFFE', '%D8%69%DE%D6', 'U+D869/U+DED6');

successfullyParsed = true;

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