зеркало из https://github.com/mozilla/gecko-dev.git
51 строка
1.6 KiB
HTML
51 строка
1.6 KiB
HTML
<!DOCTYPE html>
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<title>Encoding API: End-of-file</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script>
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test(function() {
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[
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{encoding: 'utf-8', sequence: [0xC0]},
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{encoding: 'utf-16le', sequence: [0x00]},
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{encoding: 'utf-16be', sequence: [0x00]}
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].forEach(function(testCase) {
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assert_throws(new TypeError(), function() {
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var decoder = new TextDecoder(testCase.encoding, {fatal: true});
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decoder.decode(new Uint8Array(testCase.sequence));
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}, 'Unterminated ' + testCase.encoding + ' sequence should throw if fatal flag is set');
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assert_equals(
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new TextDecoder(testCase.encoding).decode(new Uint8Array([testCase.sequence])),
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'\uFFFD',
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'Unterminated UTF-8 sequence should emit replacement character if fatal flag is unset');
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});
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}, 'Fatal flag, non-streaming cases');
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test(function() {
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var decoder = new TextDecoder('utf-16le', {fatal: true});
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var odd = new Uint8Array([0x00]);
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var even = new Uint8Array([0x00, 0x00]);
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assert_equals(decoder.decode(odd, {stream: true}), '');
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assert_equals(decoder.decode(odd), '\u0000');
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assert_throws(new TypeError(), function() {
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decoder.decode(even, {stream: true});
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decoder.decode(odd)
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});
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assert_throws(new TypeError(), function() {
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decoder.decode(odd, {stream: true});
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decoder.decode(even);
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});
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assert_equals(decoder.decode(even, {stream: true}), '\u0000');
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assert_equals(decoder.decode(even), '\u0000');
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}, 'Fatal flag, streaming cases');
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</script>
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