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Diffstat (limited to 'js/src/tests/test262/annexB/language/literals/regexp/legacy-octal-escape.js')
-rw-r--r-- | js/src/tests/test262/annexB/language/literals/regexp/legacy-octal-escape.js | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/language/literals/regexp/legacy-octal-escape.js b/js/src/tests/test262/annexB/language/literals/regexp/legacy-octal-escape.js new file mode 100644 index 0000000000..6bba0756c3 --- /dev/null +++ b/js/src/tests/test262/annexB/language/literals/regexp/legacy-octal-escape.js @@ -0,0 +1,72 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-regular-expressions-patterns +description: Legacy Octal Escape Sequence +info: | + CharacterEscape[U] :: + ControlEscape + c ControlLetter + 0 [lookahead ∉ DecimalDigit] + HexEscapeSequence + RegExpUnicodeEscapeSequence[?U] + [~U] LegacyOctalEscapeSequence + IdentityEscape[?U] + + LegacyOctalEscapeSequence :: + OctalDigit [lookahead ∉ OctalDigit] + ZeroToThree OctalDigit [lookahead ∉ OctalDigit] + FourToSeven OctalDigit + ZeroToThree OctalDigit OctalDigit + + The production CharacterEscape :: LegacyOctalEscapeSequence evaluates by + evaluating the SV of the LegacyOctalEscapeSequence and returning its + character result. +---*/ + +assert.sameValue(/\1/.exec('\x01')[0], '\x01', '\\1'); +assert.sameValue(/\2/.exec('\x02')[0], '\x02', '\\2'); +assert.sameValue(/\3/.exec('\x03')[0], '\x03', '\\3'); +assert.sameValue(/\4/.exec('\x04')[0], '\x04', '\\4'); +assert.sameValue(/\5/.exec('\x05')[0], '\x05', '\\5'); +assert.sameValue(/\6/.exec('\x06')[0], '\x06', '\\6'); +assert.sameValue(/\7/.exec('\x07')[0], '\x07', '\\7'); + +assert.sameValue(/\00/.exec('\x00')[0], '\x00', '\\00'); +assert.sameValue(/\07/.exec('\x07')[0], '\x07', '\\07'); + +assert.sameValue(/\30/.exec('\x18')[0], '\x18', '\\30'); +assert.sameValue(/\37/.exec('\x1f')[0], '\x1f', '\\37'); + +assert.sameValue(/\40/.exec('\x20')[0], '\x20', '\\40'); +assert.sameValue(/\47/.exec('\x27')[0], '\x27', '\\47'); + +assert.sameValue(/\70/.exec('\x38')[0], '\x38', '\\70'); +assert.sameValue(/\77/.exec('\x3f')[0], '\x3f', '\\77'); + +// Sequence is bounded according to the String Value +assert.sameValue(/\400/.exec('\x200')[0], '\x200', '\\400'); +assert.sameValue(/\470/.exec('\x270')[0], '\x270', '\\470'); +assert.sameValue(/\700/.exec('\x380')[0], '\x380', '\\700'); +assert.sameValue(/\770/.exec('\x3f0')[0], '\x3f0', '\\770'); + +assert.sameValue(/\000/.exec('\x00')[0], '\x00', '\\000'); +assert.sameValue(/\007/.exec('\x07')[0], '\x07', '\\007'); +assert.sameValue(/\070/.exec('\x38')[0], '\x38', '\\070'); + +assert.sameValue(/\300/.exec('\xc0')[0], '\xc0', '\\300'); +assert.sameValue(/\307/.exec('\xc7')[0], '\xc7', '\\307'); +assert.sameValue(/\370/.exec('\xf8')[0], '\xf8', '\\370'); +assert.sameValue(/\377/.exec('\xff')[0], '\xff', '\\377'); + +// Sequence is 3 characters max, including leading zeros +assert.sameValue(/\0111/.exec('\x091')[0], '\x091', '\\0111'); +assert.sameValue(/\0022/.exec('\x022')[0], '\x022', '\\0022'); +assert.sameValue(/\0003/.exec('\x003')[0], '\x003', '\\0003'); + +var match = /(.)\1/.exec('a\x01 aa'); +assert.sameValue( + match[0], 'aa', 'DecimalEscape takes precedence over LegacyOctalEscapeSequence' +); + +reportCompare(0, 0); |