9bed566bdb
Added presubmit step to check copyright. git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@242 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
244 lines
7.5 KiB
JavaScript
244 lines
7.5 KiB
JavaScript
// Copyright 2008 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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function testEscape(str, regex) {
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assertEquals("foo:bar:baz", str.split(regex).join(":"));
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}
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testEscape("foo\nbar\nbaz", /\n/);
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testEscape("foo bar baz", /\s/);
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testEscape("foo\tbar\tbaz", /\s/);
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testEscape("foo-bar-baz", /\u002D/);
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// Test containing null char in regexp.
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var s = '[' + String.fromCharCode(0) + ']';
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var re = new RegExp(s);
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assertEquals(s.match(re).length, 1);
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assertEquals(s.match(re)[0], String.fromCharCode(0));
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// Test strings containing all line separators
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s = 'aA\nbB\rcC\r\ndD\u2028eE\u2029fF';
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re = /^./gm; // any non-newline character at the beginning of a line
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var result = s.match(re);
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assertEquals(result.length, 6);
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assertEquals(result[0], 'a');
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assertEquals(result[1], 'b');
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assertEquals(result[2], 'c');
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assertEquals(result[3], 'd');
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assertEquals(result[4], 'e');
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assertEquals(result[5], 'f');
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re = /.$/gm; // any non-newline character at the end of a line
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result = s.match(re);
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assertEquals(result.length, 6);
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assertEquals(result[0], 'A');
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assertEquals(result[1], 'B');
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assertEquals(result[2], 'C');
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assertEquals(result[3], 'D');
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assertEquals(result[4], 'E');
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assertEquals(result[5], 'F');
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re = /^[^]/gm; // *any* character at the beginning of a line
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result = s.match(re);
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assertEquals(result.length, 7);
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assertEquals(result[0], 'a');
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assertEquals(result[1], 'b');
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assertEquals(result[2], 'c');
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assertEquals(result[3], '\n');
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assertEquals(result[4], 'd');
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assertEquals(result[5], 'e');
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assertEquals(result[6], 'f');
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re = /[^]$/gm; // *any* character at the end of a line
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result = s.match(re);
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assertEquals(result.length, 7);
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assertEquals(result[0], 'A');
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assertEquals(result[1], 'B');
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assertEquals(result[2], 'C');
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assertEquals(result[3], '\r');
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assertEquals(result[4], 'D');
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assertEquals(result[5], 'E');
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assertEquals(result[6], 'F');
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// Some tests from the Mozilla tests, where our behavior differs from
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// SpiderMonkey.
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// From ecma_3/RegExp/regress-334158.js
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assertTrue(/\ca/.test( "\x01" ));
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assertFalse(/\ca/.test( "\\ca" ));
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assertTrue(/\c[a/]/.test( "\x1ba/]" ));
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// Test that we handle \s and \S correctly inside some bizarre
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// character classes.
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re = /[\s-:]/;
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assertTrue(re.test('-'));
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assertTrue(re.test(':'));
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assertTrue(re.test(' '));
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assertTrue(re.test('\t'));
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assertTrue(re.test('\n'));
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assertFalse(re.test('a'));
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assertFalse(re.test('Z'));
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re = /[\S-:]/;
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assertTrue(re.test('-'));
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assertTrue(re.test(':'));
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assertFalse(re.test(' '));
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assertFalse(re.test('\t'));
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assertFalse(re.test('\n'));
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assertTrue(re.test('a'));
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assertTrue(re.test('Z'));
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re = /[^\s-:]/;
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assertFalse(re.test('-'));
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assertFalse(re.test(':'));
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assertFalse(re.test(' '));
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assertFalse(re.test('\t'));
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assertFalse(re.test('\n'));
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assertTrue(re.test('a'));
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assertTrue(re.test('Z'));
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re = /[^\S-:]/;
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assertFalse(re.test('-'));
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assertFalse(re.test(':'));
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assertTrue(re.test(' '));
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assertTrue(re.test('\t'));
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assertTrue(re.test('\n'));
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assertFalse(re.test('a'));
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assertFalse(re.test('Z'));
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re = /[\s]/;
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assertFalse(re.test('-'));
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assertFalse(re.test(':'));
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assertTrue(re.test(' '));
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assertTrue(re.test('\t'));
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assertTrue(re.test('\n'));
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assertFalse(re.test('a'));
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assertFalse(re.test('Z'));
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re = /[^\s]/;
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assertTrue(re.test('-'));
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assertTrue(re.test(':'));
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assertFalse(re.test(' '));
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assertFalse(re.test('\t'));
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assertFalse(re.test('\n'));
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assertTrue(re.test('a'));
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assertTrue(re.test('Z'));
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re = /[\S]/;
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assertTrue(re.test('-'));
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assertTrue(re.test(':'));
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assertFalse(re.test(' '));
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assertFalse(re.test('\t'));
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assertFalse(re.test('\n'));
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assertTrue(re.test('a'));
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assertTrue(re.test('Z'));
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re = /[^\S]/;
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assertFalse(re.test('-'));
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assertFalse(re.test(':'));
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assertTrue(re.test(' '));
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assertTrue(re.test('\t'));
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assertTrue(re.test('\n'));
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assertFalse(re.test('a'));
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assertFalse(re.test('Z'));
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re = /[\s\S]/;
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assertTrue(re.test('-'));
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assertTrue(re.test(':'));
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assertTrue(re.test(' '));
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assertTrue(re.test('\t'));
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assertTrue(re.test('\n'));
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assertTrue(re.test('a'));
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assertTrue(re.test('Z'));
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re = /[^\s\S]/;
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assertFalse(re.test('-'));
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assertFalse(re.test(':'));
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assertFalse(re.test(' '));
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assertFalse(re.test('\t'));
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assertFalse(re.test('\n'));
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assertFalse(re.test('a'));
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assertFalse(re.test('Z'));
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// Test beginning and end of line assertions with or without the
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// multiline flag.
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re = /^\d+/;
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assertFalse(re.test("asdf\n123"));
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re = /^\d+/m;
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assertTrue(re.test("asdf\n123"));
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re = /\d+$/;
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assertFalse(re.test("123\nasdf"));
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re = /\d+$/m;
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assertTrue(re.test("123\nasdf"));
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// Test that empty matches are handled correctly for multiline global
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// regexps.
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re = /^(.*)/mg;
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assertEquals(3, "a\n\rb".match(re).length);
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assertEquals("*a\n*b\r*c\n*\r*d\r*\n*e", "a\nb\rc\n\rd\r\ne".replace(re, "*$1"));
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// Test that empty matches advance one character
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re = new RegExp("", "g");
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assertEquals("xAx", "A".replace(re, "x"));
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assertEquals(3, String.fromCharCode(161).replace(re, "x").length);
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// Test that we match the KJS behavior with regard to undefined constructor
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// arguments:
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re = new RegExp();
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// KJS actually shows this as '//'. Here we match the Firefox behavior (ie,
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// giving a syntactically legal regexp literal).
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assertEquals('/(?:)/', re.toString());
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re = new RegExp(void 0);
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assertEquals('/(?:)/', re.toString());
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re.compile();
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assertEquals('/(?:)/', re.toString());
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re.compile(void 0);
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assertEquals('/undefined/', re.toString());
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// Check for lazy RegExp literal creation
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function lazyLiteral(doit) {
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if (doit) return "".replace(/foo(/gi, "");
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return true;
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}
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assertTrue(lazyLiteral(false));
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assertThrows("lazyLiteral(true)");
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// Check $01 and $10
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re = new RegExp("(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)");
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assertEquals("t", "123456789t".replace(re, "$10"), "$10");
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assertEquals("15", "123456789t".replace(re, "$15"), "$10");
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assertEquals("1", "123456789t".replace(re, "$01"), "$01");
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assertEquals("$001", "123456789t".replace(re, "$001"), "$001");
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re = new RegExp("foo(.)");
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assertEquals("bar$0", "foox".replace(re, "bar$0"), "$0");
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assertEquals("bar$00", "foox".replace(re, "bar$00"), "$00");
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assertEquals("bar$000", "foox".replace(re, "bar$000"), "$000");
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assertEquals("barx", "foox".replace(re, "bar$01"), "$01 2");
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assertEquals("barx5", "foox".replace(re, "bar$15"), "$15");
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