| <!DOCTYPE html> |
| <title>Encoding API: Fatal flag</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| |
| var bad = [ |
| { encoding: 'utf-8', input: [0xFF], name: 'invalid code' }, |
| { encoding: 'utf-8', input: [0xC0], name: 'ends early' }, |
| { encoding: 'utf-8', input: [0xE0], name: 'ends early 2' }, |
| { encoding: 'utf-8', input: [0xC0, 0x00], name: 'invalid trail' }, |
| { encoding: 'utf-8', input: [0xC0, 0xC0], name: 'invalid trail 2' }, |
| { encoding: 'utf-8', input: [0xE0, 0x00], name: 'invalid trail 3' }, |
| { encoding: 'utf-8', input: [0xE0, 0xC0], name: 'invalid trail 4' }, |
| { encoding: 'utf-8', input: [0xE0, 0x80, 0x00], name: 'invalid trail 5' }, |
| { encoding: 'utf-8', input: [0xE0, 0x80, 0xC0], name: 'invalid trail 6' }, |
| { encoding: 'utf-8', input: [0xFC, 0x80, 0x80, 0x80, 0x80, 0x80], name: '> 0x10FFFF' }, |
| { encoding: 'utf-8', input: [0xFE, 0x80, 0x80, 0x80, 0x80, 0x80], name: 'obsolete lead byte' }, |
| |
| // Overlong encodings |
| { encoding: 'utf-8', input: [0xC0, 0x80], name: 'overlong U+0000 - 2 bytes' }, |
| { encoding: 'utf-8', input: [0xE0, 0x80, 0x80], name: 'overlong U+0000 - 3 bytes' }, |
| { encoding: 'utf-8', input: [0xF0, 0x80, 0x80, 0x80], name: 'overlong U+0000 - 4 bytes' }, |
| { encoding: 'utf-8', input: [0xF8, 0x80, 0x80, 0x80, 0x80], name: 'overlong U+0000 - 5 bytes' }, |
| { encoding: 'utf-8', input: [0xFC, 0x80, 0x80, 0x80, 0x80, 0x80], name: 'overlong U+0000 - 6 bytes' }, |
| |
| { encoding: 'utf-8', input: [0xC1, 0xBF], name: 'overlong U+007F - 2 bytes' }, |
| { encoding: 'utf-8', input: [0xE0, 0x81, 0xBF], name: 'overlong U+007F - 3 bytes' }, |
| { encoding: 'utf-8', input: [0xF0, 0x80, 0x81, 0xBF], name: 'overlong U+007F - 4 bytes' }, |
| { encoding: 'utf-8', input: [0xF8, 0x80, 0x80, 0x81, 0xBF], name: 'overlong U+007F - 5 bytes' }, |
| { encoding: 'utf-8', input: [0xFC, 0x80, 0x80, 0x80, 0x81, 0xBF], name: 'overlong U+007F - 6 bytes' }, |
| |
| { encoding: 'utf-8', input: [0xE0, 0x9F, 0xBF], name: 'overlong U+07FF - 3 bytes' }, |
| { encoding: 'utf-8', input: [0xF0, 0x80, 0x9F, 0xBF], name: 'overlong U+07FF - 4 bytes' }, |
| { encoding: 'utf-8', input: [0xF8, 0x80, 0x80, 0x9F, 0xBF], name: 'overlong U+07FF - 5 bytes' }, |
| { encoding: 'utf-8', input: [0xFC, 0x80, 0x80, 0x80, 0x9F, 0xBF], name: 'overlong U+07FF - 6 bytes' }, |
| |
| { encoding: 'utf-8', input: [0xF0, 0x8F, 0xBF, 0xBF], name: 'overlong U+FFFF - 4 bytes' }, |
| { encoding: 'utf-8', input: [0xF8, 0x80, 0x8F, 0xBF, 0xBF], name: 'overlong U+FFFF - 5 bytes' }, |
| { encoding: 'utf-8', input: [0xFC, 0x80, 0x80, 0x8F, 0xBF, 0xBF], name: 'overlong U+FFFF - 6 bytes' }, |
| |
| { encoding: 'utf-8', input: [0xF8, 0x84, 0x8F, 0xBF, 0xBF], name: 'overlong U+10FFFF - 5 bytes' }, |
| { encoding: 'utf-8', input: [0xFC, 0x80, 0x84, 0x8F, 0xBF, 0xBF], name: 'overlong U+10FFFF - 6 bytes' }, |
| |
| // UTF-16 surrogates encoded as code points in UTF-8 |
| { encoding: 'utf-8', input: [0xED, 0xA0, 0x80], name: 'lead surrogate' }, |
| { encoding: 'utf-8', input: [0xED, 0xB0, 0x80], name: 'trail surrogate' }, |
| { encoding: 'utf-8', input: [0xED, 0xA0, 0x80, 0xED, 0xB0, 0x80], name: 'surrogate pair' }, |
| |
| { encoding: 'utf-16le', input: [0x00], name: 'truncated code unit' }, |
| // Mismatched UTF-16 surrogates are exercised in utf16-surrogates.html |
| |
| // FIXME: Add legacy encoding cases |
| ]; |
| |
| bad.forEach(function(t) { |
| test(function() { |
| assert_throws(new TypeError(), function() { |
| new TextDecoder(t.encoding, {fatal: true}).decode(new Uint8Array(t.input)) |
| }); |
| }, 'Fatal flag: ' + t.encoding + ' - ' + t.name); |
| }); |
| |
| test(function() { |
| assert_true('fatal' in new TextDecoder(), 'The fatal attribute should exist on TextDecoder.'); |
| assert_equals(typeof new TextDecoder().fatal, 'boolean', 'The type of the fatal attribute should be boolean.'); |
| assert_false(new TextDecoder().fatal, 'The fatal attribute should default to false.'); |
| assert_true(new TextDecoder('utf-8', {fatal: true}).fatal, 'The fatal attribute can be set using an option.'); |
| |
| }, 'The fatal attribute of TextDecoder'); |
| |
| </script> |
