| <!DOCTYPE html> |
| <title>Encoding API: UTF-16 surrogate handling</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| |
| var bad = [ |
| { |
| encoding: 'utf-16le', |
| input: [0x00, 0xd8], |
| expected: '\uFFFD', |
| name: 'lone surrogate lead' |
| }, |
| { |
| encoding: 'utf-16le', |
| input: [0x00, 0xdc], |
| expected: '\uFFFD', |
| name: 'lone surrogate trail' |
| }, |
| { |
| encoding: 'utf-16le', |
| input: [0x00, 0xd8, 0x00, 0x00], |
| expected: '\uFFFD\u0000', |
| name: 'unmatched surrogate lead' |
| }, |
| { |
| encoding: 'utf-16le', |
| input: [0x00, 0xdc, 0x00, 0x00], |
| expected: '\uFFFD\u0000', |
| name: 'unmatched surrogate trail' |
| }, |
| { |
| encoding: 'utf-16le', |
| input: [0x00, 0xdc, 0x00, 0xd8], |
| expected: '\uFFFD\uFFFD', |
| name: 'swapped surrogate pair' |
| } |
| ]; |
| |
| bad.forEach(function(t) { |
| test(function() { |
| assert_equals(new TextDecoder(t.encoding).decode(new Uint8Array(t.input)), t.expected); |
| }, t.encoding + ' - ' + t.name); |
| test(function() { |
| assert_throws(new TypeError(), function() { |
| new TextDecoder(t.encoding, {fatal: true}).decode(new Uint8Array(t.input)) |
| }); |
| }, t.encoding + ' - ' + t.name + ' (fatal flag set)'); |
| }); |
| |
| </script> |
