| Joshua Bell | 7f567fa | 2015-01-13 17:46:57 | [diff] [blame] | 1 | <!DOCTYPE html> |
| 2 | <title>Encoding API: Fatal flag</title> |
| 3 | <script src="/resources/testharness.js"></script> |
| 4 | <script src="/resources/testharnessreport.js"></script> |
| Joshua Bell | 7f567fa | 2015-01-13 17:46:57 | [diff] [blame] | 5 | <script> |
| 6 | |
| 7 | var bad = [ |
| 8 | { encoding: 'utf-8', input: [0xFF], name: 'invalid code' }, |
| 9 | { encoding: 'utf-8', input: [0xC0], name: 'ends early' }, |
| 10 | { encoding: 'utf-8', input: [0xE0], name: 'ends early 2' }, |
| 11 | { encoding: 'utf-8', input: [0xC0, 0x00], name: 'invalid trail' }, |
| 12 | { encoding: 'utf-8', input: [0xC0, 0xC0], name: 'invalid trail 2' }, |
| 13 | { encoding: 'utf-8', input: [0xE0, 0x00], name: 'invalid trail 3' }, |
| 14 | { encoding: 'utf-8', input: [0xE0, 0xC0], name: 'invalid trail 4' }, |
| 15 | { encoding: 'utf-8', input: [0xE0, 0x80, 0x00], name: 'invalid trail 5' }, |
| 16 | { encoding: 'utf-8', input: [0xE0, 0x80, 0xC0], name: 'invalid trail 6' }, |
| 17 | { encoding: 'utf-8', input: [0xFC, 0x80, 0x80, 0x80, 0x80, 0x80], name: '> 0x10FFFF' }, |
| 18 | { encoding: 'utf-8', input: [0xFE, 0x80, 0x80, 0x80, 0x80, 0x80], name: 'obsolete lead byte' }, |
| 19 | |
| 20 | // Overlong encodings |
| 21 | { encoding: 'utf-8', input: [0xC0, 0x80], name: 'overlong U+0000 - 2 bytes' }, |
| 22 | { encoding: 'utf-8', input: [0xE0, 0x80, 0x80], name: 'overlong U+0000 - 3 bytes' }, |
| 23 | { encoding: 'utf-8', input: [0xF0, 0x80, 0x80, 0x80], name: 'overlong U+0000 - 4 bytes' }, |
| 24 | { encoding: 'utf-8', input: [0xF8, 0x80, 0x80, 0x80, 0x80], name: 'overlong U+0000 - 5 bytes' }, |
| 25 | { encoding: 'utf-8', input: [0xFC, 0x80, 0x80, 0x80, 0x80, 0x80], name: 'overlong U+0000 - 6 bytes' }, |
| 26 | |
| 27 | { encoding: 'utf-8', input: [0xC1, 0xBF], name: 'overlong U+007F - 2 bytes' }, |
| 28 | { encoding: 'utf-8', input: [0xE0, 0x81, 0xBF], name: 'overlong U+007F - 3 bytes' }, |
| 29 | { encoding: 'utf-8', input: [0xF0, 0x80, 0x81, 0xBF], name: 'overlong U+007F - 4 bytes' }, |
| 30 | { encoding: 'utf-8', input: [0xF8, 0x80, 0x80, 0x81, 0xBF], name: 'overlong U+007F - 5 bytes' }, |
| 31 | { encoding: 'utf-8', input: [0xFC, 0x80, 0x80, 0x80, 0x81, 0xBF], name: 'overlong U+007F - 6 bytes' }, |
| 32 | |
| 33 | { encoding: 'utf-8', input: [0xE0, 0x9F, 0xBF], name: 'overlong U+07FF - 3 bytes' }, |
| 34 | { encoding: 'utf-8', input: [0xF0, 0x80, 0x9F, 0xBF], name: 'overlong U+07FF - 4 bytes' }, |
| 35 | { encoding: 'utf-8', input: [0xF8, 0x80, 0x80, 0x9F, 0xBF], name: 'overlong U+07FF - 5 bytes' }, |
| 36 | { encoding: 'utf-8', input: [0xFC, 0x80, 0x80, 0x80, 0x9F, 0xBF], name: 'overlong U+07FF - 6 bytes' }, |
| 37 | |
| 38 | { encoding: 'utf-8', input: [0xF0, 0x8F, 0xBF, 0xBF], name: 'overlong U+FFFF - 4 bytes' }, |
| 39 | { encoding: 'utf-8', input: [0xF8, 0x80, 0x8F, 0xBF, 0xBF], name: 'overlong U+FFFF - 5 bytes' }, |
| 40 | { encoding: 'utf-8', input: [0xFC, 0x80, 0x80, 0x8F, 0xBF, 0xBF], name: 'overlong U+FFFF - 6 bytes' }, |
| 41 | |
| 42 | { encoding: 'utf-8', input: [0xF8, 0x84, 0x8F, 0xBF, 0xBF], name: 'overlong U+10FFFF - 5 bytes' }, |
| 43 | { encoding: 'utf-8', input: [0xFC, 0x80, 0x84, 0x8F, 0xBF, 0xBF], name: 'overlong U+10FFFF - 6 bytes' }, |
| 44 | |
| 45 | // UTF-16 surrogates encoded as code points in UTF-8 |
| 46 | { encoding: 'utf-8', input: [0xED, 0xA0, 0x80], name: 'lead surrogate' }, |
| 47 | { encoding: 'utf-8', input: [0xED, 0xB0, 0x80], name: 'trail surrogate' }, |
| 48 | { encoding: 'utf-8', input: [0xED, 0xA0, 0x80, 0xED, 0xB0, 0x80], name: 'surrogate pair' }, |
| 49 | |
| 50 | { encoding: 'utf-16le', input: [0x00], name: 'truncated code unit' }, |
| 51 | // Mismatched UTF-16 surrogates are exercised in utf16-surrogates.html |
| 52 | |
| 53 | // FIXME: Add legacy encoding cases |
| 54 | ]; |
| 55 | |
| 56 | bad.forEach(function(t) { |
| 57 | test(function() { |
| Joshua Bell | d74324b | 2015-01-14 17:18:20 | [diff] [blame] | 58 | assert_throws(new TypeError(), function() { |
| Joshua Bell | 7f567fa | 2015-01-13 17:46:57 | [diff] [blame] | 59 | new TextDecoder(t.encoding, {fatal: true}).decode(new Uint8Array(t.input)) |
| 60 | }); |
| 61 | }, 'Fatal flag: ' + t.encoding + ' - ' + t.name); |
| 62 | }); |
| 63 | |
| 64 | test(function() { |
| 65 | assert_true('fatal' in new TextDecoder(), 'The fatal attribute should exist on TextDecoder.'); |
| 66 | assert_equals(typeof new TextDecoder().fatal, 'boolean', 'The type of the fatal attribute should be boolean.'); |
| 67 | assert_false(new TextDecoder().fatal, 'The fatal attribute should default to false.'); |
| 68 | assert_true(new TextDecoder('utf-8', {fatal: true}).fatal, 'The fatal attribute can be set using an option.'); |
| 69 | |
| 70 | }, 'The fatal attribute of TextDecoder'); |
| 71 | |
| 72 | </script> |