| <!DOCTYPE html> |
| <title>Encoding API: USVString surrogate handling when encoding</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| |
| var bad = [ |
| { |
| input: '\uD800', |
| expected: '\uFFFD', |
| name: 'lone surrogate lead' |
| }, |
| { |
| input: '\uDC00', |
| expected: '\uFFFD', |
| name: 'lone surrogate trail' |
| }, |
| { |
| input: '\uD800\u0000', |
| expected: '\uFFFD\u0000', |
| name: 'unmatched surrogate lead' |
| }, |
| { |
| input: '\uDC00\u0000', |
| expected: '\uFFFD\u0000', |
| name: 'unmatched surrogate trail' |
| }, |
| { |
| input: '\uDC00\uD800', |
| expected: '\uFFFD\uFFFD', |
| name: 'swapped surrogate pair' |
| }, |
| { |
| input: '\uD834\uDD1E', |
| expected: '\uD834\uDD1E', |
| name: 'properly encoded MUSICAL SYMBOL G CLEF (U+1D11E)' |
| } |
| ]; |
| |
| bad.forEach(function(t) { |
| test(function() { |
| var encoded = new TextEncoder().encode(t.input); |
| var decoded = new TextDecoder().decode(encoded); |
| assert_equals(decoded, t.expected); |
| }, 'USVString handling: ' + t.name); |
| }); |
| |
| test(function() { |
| assert_equals(new TextEncoder().encode().length, 0, 'Should default to empty string'); |
| }, 'USVString default'); |
| |
| </script> |
