diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/RegExp/unicode_restricted_identity_escape_alpha.js')
-rw-r--r-- | js/src/tests/test262/built-ins/RegExp/unicode_restricted_identity_escape_alpha.js | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/unicode_restricted_identity_escape_alpha.js b/js/src/tests/test262/built-ins/RegExp/unicode_restricted_identity_escape_alpha.js new file mode 100644 index 0000000000..b226c0a545 --- /dev/null +++ b/js/src/tests/test262/built-ins/RegExp/unicode_restricted_identity_escape_alpha.js @@ -0,0 +1,102 @@ +// Copyright (C) 2015 André Bargull. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +description: B.1.4 is not applied for Unicode RegExp - Identity escape with basic latin letters +info: | + The compatibility extensions defined in B.1.4 Regular Expressions Patterns + are not applied for Unicode RegExps. + Tested extension: "IdentityEscape[U] :: [~U] SourceCharacter but not c" + + Forbidden extension (16.1): + The RegExp pattern grammars in 21.2.1 and B.1.4 must not be extended to recognize any of the + source characters A-Z or a-z as IdentityEscape[U] when the U grammar parameter is present. +es6id: 21.1.2 +---*/ + +function isValidAlphaEscapeInAtom(s) { + switch (s) { + // Assertion [U] :: \b + case "b": + // Assertion [U] :: \B + case "B": + // ControlEscape :: one of f n r t v + case "f": + case "n": + case "r": + case "t": + case "v": + // CharacterClassEscape :: one of d D s S w W + case "d": + case "D": + case "s": + case "S": + case "w": + case "W": + return true; + default: + return false; + } +} + +function isValidAlphaEscapeInClass(s) { + switch (s) { + // ClassEscape[U] :: b + case "b": + // ControlEscape :: one of f n r t v + case "f": + case "n": + case "r": + case "t": + case "v": + // CharacterClassEscape :: one of d D s S w W + case "d": + case "D": + case "s": + case "S": + case "w": + case "W": + return true; + default: + return false; + } +} + +// IdentityEscape in AtomEscape +for (var cu = 0x41 /* A */; cu <= 0x5a /* Z */; ++cu) { + var s = String.fromCharCode(cu); + if (!isValidAlphaEscapeInAtom(s)) { + assert.throws(SyntaxError, function() { + RegExp("\\" + s, "u"); + }, "IdentityEscape in AtomEscape: '" + s + "'"); + } +} +for (var cu = 0x61 /* a */; cu <= 0x7a /* z */; ++cu) { + var s = String.fromCharCode(cu); + if (!isValidAlphaEscapeInAtom(s)) { + assert.throws(SyntaxError, function() { + RegExp("\\" + s, "u"); + }, "IdentityEscape in AtomEscape: '" + s + "'"); + } +} + + +// IdentityEscape in ClassEscape +for (var cu = 0x41 /* A */; cu <= 0x5a /* Z */; ++cu) { + var s = String.fromCharCode(cu); + if (!isValidAlphaEscapeInClass(s)) { + assert.throws(SyntaxError, function() { + RegExp("[\\" + s + "]", "u"); + }, "IdentityEscape in ClassEscape: '" + s + "'"); + } +} +for (var cu = 0x61 /* a */; cu <= 0x7a /* z */; ++cu) { + var s = String.fromCharCode(cu); + if (!isValidAlphaEscapeInClass(s)) { + assert.throws(SyntaxError, function() { + RegExp("[\\" + s + "]", "u"); + }, "IdentityEscape in ClassEscape: '" + s + "'"); + } +} + +reportCompare(0, 0); |