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Diffstat (limited to 'src/3rdparty/v8/test/mjsunit/regexp-lookahead.js')
-rw-r--r-- | src/3rdparty/v8/test/mjsunit/regexp-lookahead.js | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/src/3rdparty/v8/test/mjsunit/regexp-lookahead.js b/src/3rdparty/v8/test/mjsunit/regexp-lookahead.js deleted file mode 100644 index 1188b56..0000000 --- a/src/3rdparty/v8/test/mjsunit/regexp-lookahead.js +++ /dev/null @@ -1,166 +0,0 @@ -// Copyright 2009 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -// Tests captures in positive and negative look-ahead in regular expressions. - -function stringEscape(string) { - // Converts string to source literal. - return '"' + string.replace(/["\\]/g, "\\$1") + '"'; -} - -function testRE(re, input, expected_result) { - var testName = re + ".test(" + stringEscape(input) +")"; - if (expected_result) { - assertTrue(re.test(input), testName); - } else { - assertFalse(re.test(input), testName); - } -} - -function execRE(re, input, expected_result) { - var testName = re + ".exec('" + stringEscape(input) +"')"; - assertEquals(expected_result, re.exec(input), testName); -} - -// Test of simple positive lookahead. - -var re = /^(?=a)/; -testRE(re, "a", true); -testRE(re, "b", false); -execRE(re, "a", [""]); - -re = /^(?=\woo)f\w/; -testRE(re, "foo", true); -testRE(re, "boo", false); -testRE(re, "fao", false); -testRE(re, "foa", false); -execRE(re, "foo", ["fo"]); - -re = /(?=\w).(?=\W)/; -testRE(re, ".a! ", true); -testRE(re, ".! ", false); -testRE(re, ".ab! ", true); -execRE(re, ".ab! ", ["b"]); - -re = /(?=f(?=[^f]o))../; -testRE(re, ", foo!", true); -testRE(re, ", fo!", false); -testRE(re, ", ffo", false); -execRE(re, ", foo!", ["fo"]); - -// Positive lookahead with captures. -re = /^[^\'\"]*(?=([\'\"])).*\1(\w+)\1/; -testRE(re, " 'foo' ", true); -testRE(re, ' "foo" ', true); -testRE(re, " \" 'foo' ", false); -testRE(re, " ' \"foo\" ", false); -testRE(re, " 'foo\" ", false); -testRE(re, " \"foo' ", false); -execRE(re, " 'foo' ", [" 'foo'", "'", "foo"]); -execRE(re, ' "foo" ', [' "foo"', '"', 'foo']); - -// Captures are cleared on backtrack past the look-ahead. -re = /^(?:(?=(.))a|b)\1$/; -testRE(re, "aa", true); -testRE(re, "b", true); -testRE(re, "bb", false); -testRE(re, "a", false); -execRE(re, "aa", ["aa", "a"]); -execRE(re, "b", ["b", undefined]); - -re = /^(?=(.)(?=(.)\1\2)\2\1)\1\2/; -testRE(re, "abab", true); -testRE(re, "ababxxxxxxxx", true); -testRE(re, "aba", false); -execRE(re, "abab", ["ab", "a", "b"]); - -re = /^(?:(?=(.))a|b|c)$/; -testRE(re, "a", true); -testRE(re, "b", true); -testRE(re, "c", true); -testRE(re, "d", false); -execRE(re, "a", ["a", "a"]); -execRE(re, "b", ["b", undefined]); -execRE(re, "c", ["c", undefined]); - -execRE(/^(?=(b))b/, "b", ["b", "b"]); -execRE(/^(?:(?=(b))|a)b/, "ab", ["ab", undefined]); -execRE(/^(?:(?=(b)(?:(?=(c))|d))|)bd/, "bd", ["bd", "b", undefined]); - - - -// Test of Negative Look-Ahead. - -re = /(?!x)./; -testRE(re, "y", true); -testRE(re, "x", false); -execRE(re, "y", ["y"]); - -re = /(?!(\d))|\d/; -testRE(re, "4", true); -execRE(re, "4", ["4", undefined]); -execRE(re, "x", ["", undefined]); - - -// Test mixed nested look-ahead with captures. - -re = /^(?=(x)(?=(y)))/; -testRE(re, "xy", true); -testRE(re, "xz", false); -execRE(re, "xy", ["", "x", "y"]); - -re = /^(?!(x)(?!(y)))/; -testRE(re, "xy", true); -testRE(re, "xz", false); -execRE(re, "xy", ["", undefined, undefined]); - -re = /^(?=(x)(?!(y)))/; -testRE(re, "xz", true); -testRE(re, "xy", false) -execRE(re, "xz", ["", "x", undefined]); - -re = /^(?!(x)(?=(y)))/; -testRE(re, "xz", true); -testRE(re, "xy", false); -execRE(re, "xz", ["", undefined, undefined]); - -re = /^(?=(x)(?!(y)(?=(z))))/; -testRE(re, "xaz", true); -testRE(re, "xya", true); -testRE(re, "xyz", false); -testRE(re, "a", false); -execRE(re, "xaz", ["", "x", undefined, undefined]); -execRE(re, "xya", ["", "x", undefined, undefined]); - -re = /^(?!(x)(?=(y)(?!(z))))/; -testRE(re, "a", true); -testRE(re, "xa", true); -testRE(re, "xyz", true); -testRE(re, "xya", false); -execRE(re, "a", ["", undefined, undefined, undefined]); -execRE(re, "xa", ["", undefined, undefined, undefined]); -execRE(re, "xyz", ["", undefined, undefined, undefined]); |