Anne van Kesteren
47a27e9af8
Automatic update from web-platform-tests Remove ShadowRealm test coverage This intentionally does not make infrastructure or documentation changes, but without implementer support all the ShadowRealm tests add significant noise. Once there is implementer support this can be reverted. -- wpt-commits: e4a4672e9e607fc2b28e7173b83ce4e38ef53071 wpt-pr: 59794
53 lines
2.3 KiB
JavaScript
53 lines
2.3 KiB
JavaScript
// META: global=window,dedicatedworker
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// META: title=Encoding API: TextDecoder ignoreBOM option
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var cases = [
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{encoding: 'utf-8', bytes: [0xEF, 0xBB, 0xBF, 0x61, 0x62, 0x63]},
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{encoding: 'utf-16le', bytes: [0xFF, 0xFE, 0x61, 0x00, 0x62, 0x00, 0x63, 0x00]},
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{encoding: 'utf-16be', bytes: [0xFE, 0xFF, 0x00, 0x61, 0x00, 0x62, 0x00, 0x63]}
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];
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cases.forEach(function(testCase) {
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test(function() {
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var BOM = '\uFEFF';
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var decoder = new TextDecoder(testCase.encoding, {ignoreBOM: true});
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var bytes = new Uint8Array(testCase.bytes);
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assert_equals(
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decoder.decode(bytes),
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BOM + 'abc',
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testCase.encoding + ': BOM should be present in decoded string if ignored');
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assert_equals(
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decoder.decode(bytes),
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BOM + 'abc',
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testCase.encoding + ': BOM should be present in decoded string if ignored by a reused decoder');
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decoder = new TextDecoder(testCase.encoding, {ignoreBOM: false});
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assert_equals(
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decoder.decode(bytes),
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'abc',
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testCase.encoding + ': BOM should be absent from decoded string if not ignored');
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assert_equals(
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decoder.decode(bytes),
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'abc',
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testCase.encoding + ': BOM should be absent from decoded string if not ignored by a reused decoder');
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decoder = new TextDecoder(testCase.encoding);
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assert_equals(
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decoder.decode(bytes),
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'abc',
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testCase.encoding + ': BOM should be absent from decoded string by default');
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assert_equals(
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decoder.decode(bytes),
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'abc',
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testCase.encoding + ': BOM should be absent from decoded string by default with a reused decoder');
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}, 'BOM is ignored if ignoreBOM option is specified: ' + testCase.encoding);
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});
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test(function() {
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assert_true('ignoreBOM' in new TextDecoder(), 'The ignoreBOM attribute should exist on TextDecoder.');
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assert_equals(typeof new TextDecoder().ignoreBOM, 'boolean', 'The type of the ignoreBOM attribute should be boolean.');
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assert_false(new TextDecoder().ignoreBOM, 'The ignoreBOM attribute should default to false.');
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assert_true(new TextDecoder('utf-8', {ignoreBOM: true}).ignoreBOM, 'The ignoreBOM attribute can be set using an option.');
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}, 'The ignoreBOM attribute of TextDecoder');
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