2007-03-22 10:30:00 -07:00
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/* Test case for bug 340714
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*
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* Uses nsIConverterInputStream to decode UTF-16 text with all combinations
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* of UTF-16BE and UTF-16LE with and without BOM.
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*
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* Sample text is: "Все счастливые семьи похожи друг на друга, каждая несчастливая семья несчастлива по-своему."
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*
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* The enclosing quotation marks are included in the sample text to test that
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* UTF-16LE is recognized even when there is no BOM and the UTF-16LE decoder is
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* not explicitly called. This only works when the first character of the text
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* is an eight-bit character.
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*/
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const beBOM="%FE%FF";
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const leBOM="%FF%FE";
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const sampleUTF16BE="%00%22%04%12%04%41%04%35%00%20%04%41%04%47%04%30%04%41%04%42%04%3B%04%38%04%32%04%4B%04%35%00%20%04%41%04%35%04%3C%04%4C%04%38%00%20%04%3F%04%3E%04%45%04%3E%04%36%04%38%00%20%04%34%04%40%04%43%04%33%00%20%04%3D%04%30%00%20%04%34%04%40%04%43%04%33%04%30%00%2C%00%20%04%3A%04%30%04%36%04%34%04%30%04%4F%00%20%04%3D%04%35%04%41%04%47%04%30%04%41%04%42%04%3B%04%38%04%32%04%30%04%4F%00%20%04%41%04%35%04%3C%04%4C%04%4F%00%20%04%3D%04%35%04%41%04%47%04%30%04%41%04%42%04%3B%04%38%04%32%04%30%00%20%04%3F%04%3E%00%2D%04%41%04%32%04%3E%04%35%04%3C%04%43%00%2E%00%22";
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const sampleUTF16LE="%22%00%12%04%41%04%35%04%20%00%41%04%47%04%30%04%41%04%42%04%3B%04%38%04%32%04%4B%04%35%04%20%00%41%04%35%04%3C%04%4C%04%38%04%20%00%3F%04%3E%04%45%04%3E%04%36%04%38%04%20%00%34%04%40%04%43%04%33%04%20%00%3D%04%30%04%20%00%34%04%40%04%43%04%33%04%30%04%2C%00%20%00%3A%04%30%04%36%04%34%04%30%04%4F%04%20%00%3D%04%35%04%41%04%47%04%30%04%41%04%42%04%3B%04%38%04%32%04%30%04%4F%04%20%00%41%04%35%04%3C%04%4C%04%4F%04%20%00%3D%04%35%04%41%04%47%04%30%04%41%04%42%04%3B%04%38%04%32%04%30%04%20%00%3F%04%3E%04%2D%00%41%04%32%04%3E%04%35%04%3C%04%43%04%2E%00%22%00";
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const expected = "\"\u0412\u0441\u0435 \u0441\u0447\u0430\u0441\u0442\u043B\u0438\u0432\u044B\u0435 \u0441\u0435\u043C\u044C\u0438 \u043F\u043E\u0445\u043E\u0436\u0438 \u0434\u0440\u0443\u0433 \u043D\u0430 \u0434\u0440\u0443\u0433\u0430, \u043A\u0430\u0436\u0434\u0430\u044F \u043D\u0435\u0441\u0447\u0430\u0441\u0442\u043B\u0438\u0432\u0430\u044F \u0441\u0435\u043C\u044C\u044F \u043D\u0435\u0441\u0447\u0430\u0441\u0442\u043B\u0438\u0432\u0430 \u043F\u043E-\u0441\u0432\u043E\u0435\u043C\u0443.\"";
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function makeText(withBOM, charset)
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{
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var theText = eval("sample" + charset);
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if (withBOM) {
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if (charset == "UTF16BE") {
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theText = beBOM + theText;
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} else {
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theText = leBOM + theText;
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}
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}
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return theText;
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}
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function testCase(withBOM, charset, charsetDec, decoder, bufferLength)
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{
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var dataURI = "data:text/plain;charset=" + charsetDec + "," +
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makeText(withBOM, charset);
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var IOService = Components.Constructor("@mozilla.org/network/io-service;1",
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"nsIIOService");
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var ConverterInputStream =
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Components.Constructor("@mozilla.org/intl/converter-input-stream;1",
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"nsIConverterInputStream",
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"init");
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var ios = new IOService();
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var channel = ios.newChannel(dataURI, "", null);
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var testInputStream = channel.open();
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var testConverter = new ConverterInputStream(testInputStream,
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decoder,
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bufferLength,
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0xFFFD);
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if (!(testConverter instanceof
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Components.interfaces.nsIUnicharLineInputStream))
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throw "not line input stream";
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var outStr = "";
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var more;
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do {
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// read the line and check for eof
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var line = {};
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more = testConverter.readLine(line);
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outStr += line.value;
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} while (more);
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2009-02-22 02:08:27 -08:00
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if (outStr != expected) {
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dump("Failed with BOM = " + withBOM + "; charset = " + charset +
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"; charset declaration = " + charsetDec + "; decoder = " + decoder +
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"; bufferLength = " + bufferLength + "\n");
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if (outStr.length == expected.length) {
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for (i = 0; i < outStr.length; ++i) {
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if (outStr.charCodeAt(i) != expected.charCodeAt(i)) {
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dump(i + ": " + outStr.charCodeAt(i).toString(16) + " != " + expected.charCodeAt(i).toString(16) + "\n");
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}
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}
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}
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}
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// escape the strings before comparing for better readability
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do_check_eq(escape(outStr), escape(expected));
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2007-03-22 10:30:00 -07:00
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}
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function run_test()
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{
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/* BOM charset charset decoder buffer
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declaration length */
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testCase(true, "UTF16LE", "UTF-16", "UTF-16", 64);
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testCase(true, "UTF16BE", "UTF-16", "UTF-16", 64);
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testCase(true, "UTF16LE", "UTF-16", "UTF-16LE", 64);
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testCase(true, "UTF16BE", "UTF-16", "UTF-16BE", 64);
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testCase(false, "UTF16LE", "UTF-16", "UTF-16", 64);
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testCase(false, "UTF16BE", "UTF-16", "UTF-16", 64);
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testCase(false, "UTF16LE", "UTF-16", "UTF-16LE", 64);
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testCase(false, "UTF16BE", "UTF-16", "UTF-16BE", 64);
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testCase(true, "UTF16LE", "UTF-16", "UTF-16", 65);
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testCase(true, "UTF16BE", "UTF-16", "UTF-16", 65);
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testCase(true, "UTF16LE", "UTF-16", "UTF-16LE", 65);
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testCase(true, "UTF16BE", "UTF-16", "UTF-16BE", 65);
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testCase(false, "UTF16LE", "UTF-16", "UTF-16", 65);
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testCase(false, "UTF16BE", "UTF-16", "UTF-16", 65);
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testCase(false, "UTF16LE", "UTF-16", "UTF-16LE", 65);
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testCase(false, "UTF16BE", "UTF-16", "UTF-16BE", 65);
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}
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