diff options
Diffstat (limited to 'deps/v8/test/mjsunit/harmony/regexp-named-captures.js')
-rw-r--r-- | deps/v8/test/mjsunit/harmony/regexp-named-captures.js | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/harmony/regexp-named-captures.js b/deps/v8/test/mjsunit/harmony/regexp-named-captures.js new file mode 100644 index 0000000000..ced8e4b2f6 --- /dev/null +++ b/deps/v8/test/mjsunit/harmony/regexp-named-captures.js @@ -0,0 +1,76 @@ +// Copyright 2015 the V8 project authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Flags: --harmony-regexp-named-captures + +// Malformed named captures. +assertThrows("/(?<>a)/u"); // Empty name. +assertThrows("/(?<aa)/u"); // Unterminated name. +assertThrows("/(?<42a>a)/u"); // Name starting with digits. +assertThrows("/(?<:a>a)/u"); // Name starting with invalid char. +assertThrows("/(?<a:>a)/u"); // Name containing with invalid char. +assertThrows("/(?<a>a)(?<a>a)/u"); // Duplicate name. +assertThrows("/(?<a>a)(?<b>b)(?<a>a)/u"); // Duplicate name. +assertThrows("/\\k<a>/u"); // Invalid reference. +assertThrows("/(?<a>a)\\k<ab>/u"); // Invalid reference. +assertThrows("/(?<ab>a)\\k<a>/u"); // Invalid reference. +assertThrows("/\\k<a>(?<ab>a)/u"); // Invalid reference. + +// Fallback behavior in non-unicode mode. +assertThrows("/(?<>a)/"); +assertThrows("/(?<aa)/"); +assertThrows("/(?<42a>a)/"); +assertThrows("/(?<:a>a)/"); +assertThrows("/(?<a:>a)/"); +assertThrows("/(?<a>a)(?<a>a)/"); +assertThrows("/(?<a>a)(?<b>b)(?<a>a)/"); +assertThrows("/(?<a>a)\\k<ab>/"); +assertThrows("/(?<ab>a)\\k<a>/"); + +assertEquals(["k<a>"], "xxxk<a>xxx".match(/\k<a>/)); +assertEquals(["k<a"], "xxxk<a>xxx".match(/\k<a/)); + +// Basic named groups. +assertEquals(["a", "a"], "bab".match(/(?<a>a)/u)); +assertEquals(["a", "a"], "bab".match(/(?<a42>a)/u)); +assertEquals(["a", "a"], "bab".match(/(?<_>a)/u)); +assertEquals(["a", "a"], "bab".match(/(?<$>a)/u)); +assertEquals(["bab", "a"], "bab".match(/.(?<$>a)./u)); +assertEquals(["bab", "a", "b"], "bab".match(/.(?<a>a)(.)/u)); +assertEquals(["bab", "a", "b"], "bab".match(/.(?<a>a)(?<b>.)/u)); +assertEquals(["bab", "ab"], "bab".match(/.(?<a>\w\w)/u)); +assertEquals(["bab", "bab"], "bab".match(/(?<a>\w\w\w)/u)); +assertEquals(["bab", "ba", "b"], "bab".match(/(?<a>\w\w)(?<b>\w)/u)); + +assertEquals("bab".match(/(a)/u), "bab".match(/(?<a>a)/u)); +assertEquals("bab".match(/(a)/u), "bab".match(/(?<a42>a)/u)); +assertEquals("bab".match(/(a)/u), "bab".match(/(?<_>a)/u)); +assertEquals("bab".match(/(a)/u), "bab".match(/(?<$>a)/u)); +assertEquals("bab".match(/.(a)./u), "bab".match(/.(?<$>a)./u)); +assertEquals("bab".match(/.(a)(.)/u), "bab".match(/.(?<a>a)(.)/u)); +assertEquals("bab".match(/.(a)(.)/u), "bab".match(/.(?<a>a)(?<b>.)/u)); +assertEquals("bab".match(/.(\w\w)/u), "bab".match(/.(?<a>\w\w)/u)); +assertEquals("bab".match(/(\w\w\w)/u), "bab".match(/(?<a>\w\w\w)/u)); +assertEquals("bab".match(/(\w\w)(\w)/u), "bab".match(/(?<a>\w\w)(?<b>\w)/u)); + +assertEquals(["bab", "b"], "bab".match(/(?<b>b).\1/u)); +assertEquals(["baba", "b", "a"], "baba".match(/(.)(?<a>a)\1\2/u)); +assertEquals(["baba", "b", "a", "b", "a"], + "baba".match(/(.)(?<a>a)(?<b>\1)(\2)/u)); +assertEquals(["<a", "<"], "<a".match(/(?<lt><)a/u)); +assertEquals([">a", ">"], ">a".match(/(?<gt>>)a/u)); + +// Named references. +assertEquals(["bab", "b"], "bab".match(/(?<b>.).\k<b>/u)); +assertNull("baa".match(/(?<b>.).\k<b>/u)); + +// Nested groups. +assertEquals(["bab", "bab", "ab", "b"], "bab".match(/(?<a>.(?<b>.(?<c>.)))/u)); + +// Reference inside group. +assertEquals(["bab", "b"], "bab".match(/(?<a>\k<a>\w)../u)); + +// Reference before group. +assertEquals(["bab", "b"], "bab".match(/\k<a>(?<a>b)\w\k<a>/u)); +assertEquals(["bab", "b", "a"], "bab".match(/(?<b>b)\k<a>(?<a>a)\k<b>/u)); |