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| 1 <!DOCTYPE html> | |
| 2 <title>Encoding API: USVString surrogate handling when encoding</title> | |
| 3 <script src="../../../resources/testharness.js"></script> | |
| 4 <script src="../../../resources/testharnessreport.js"></script> | |
| 5 <script src="resources/shared.js"></script> | |
| 6 <script> | |
| 7 | |
| 8 var bad = [ | |
| 9 { | |
| 10 input: '\uD800', | |
| 11 expected: '\uFFFD', | |
| 12 name: 'lone surrogate lead' | |
| 13 }, | |
| 14 { | |
| 15 input: '\uDC00', | |
| 16 expected: '\uFFFD', | |
| 17 name: 'lone surrogate trail' | |
| 18 }, | |
| 19 { | |
| 20 input: '\uD800\u0000', | |
| 21 expected: '\uFFFD\u0000', | |
| 22 name: 'unmatched surrogate lead' | |
| 23 }, | |
| 24 { | |
| 25 input: '\uDC00\u0000', | |
| 26 expected: '\uFFFD\u0000', | |
| 27 name: 'unmatched surrogate trail' | |
| 28 }, | |
| 29 { | |
| 30 input: '\uDC00\uD800', | |
| 31 expected: '\uFFFD\uFFFD', | |
| 32 name: 'swapped surrogate pair' | |
| 33 }, | |
| 34 { | |
| 35 input: '\uD834\uDD1E', | |
| 36 expected: '\uD834\uDD1E', | |
| 37 name: 'properly encoded MUSICAL SYMBOL G CLEF (U+1D11E)' | |
| 38 } | |
| 39 ]; | |
| 40 | |
| 41 var encoding = 'utf-8'; | |
| 42 | |
| 43 bad.forEach(function(t) { | |
| 44 test(function() { | |
| 45 var encoded = new TextEncoder(encoding).encode(t.input); | |
| 46 var decoded = new TextDecoder(encoding).decode(encoded); | |
| 47 assert_equals(decoded, t.expected); | |
| 48 }, 'USVString handling: ' + t.name); | |
| 49 }); | |
| 50 | |
| 51 test(function() { | |
| 52 assert_equals(new TextEncoder(encoding).encode().length, 0, 'Should default
to empty string'); | |
| 53 }, 'USVString default'); | |
| 54 | |
| 55 </script> | |
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