47 lines
1.2 KiB
JavaScript
47 lines
1.2 KiB
JavaScript
// META: global=window,dedicatedworker,shadowrealm
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// META: title=Encoding API: USVString surrogate handling when encoding
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var bad = [
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{
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input: '\uD800',
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expected: '\uFFFD',
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name: 'lone surrogate lead'
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},
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{
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input: '\uDC00',
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expected: '\uFFFD',
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name: 'lone surrogate trail'
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},
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{
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input: '\uD800\u0000',
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expected: '\uFFFD\u0000',
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name: 'unmatched surrogate lead'
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},
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{
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input: '\uDC00\u0000',
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expected: '\uFFFD\u0000',
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name: 'unmatched surrogate trail'
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},
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{
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input: '\uDC00\uD800',
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expected: '\uFFFD\uFFFD',
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name: 'swapped surrogate pair'
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},
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{
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input: '\uD834\uDD1E',
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expected: '\uD834\uDD1E',
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name: 'properly encoded MUSICAL SYMBOL G CLEF (U+1D11E)'
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}
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];
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bad.forEach(function(t) {
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test(function() {
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var encoded = new TextEncoder().encode(t.input);
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var decoded = new TextDecoder().decode(encoded);
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assert_equals(decoded, t.expected);
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}, 'USVString handling: ' + t.name);
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});
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test(function() {
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assert_equals(new TextEncoder().encode().length, 0, 'Should default to empty string');
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}, 'USVString default');
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