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sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
78 lines
3.5 KiB
JavaScript
78 lines
3.5 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 CheckMatch(re, str, matches) {
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assertEquals(matches.length > 0, re.test(str));
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var result = str.match(re);
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if (matches.length > 0) {
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assertEquals(matches.length, result.length);
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var lastExpected;
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var lastFrom;
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var lastLength;
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for (var idx = 0; idx < matches.length; idx++) {
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var from = matches[idx][0];
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var length = matches[idx][1];
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var expected = str.substr(from, length);
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var name = str + "[" + from + ".." + (from+length) + "]";
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assertEquals(expected, result[idx], name);
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if (re.global || idx == 0) {
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lastExpected = expected;
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lastFrom = from;
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lastLength = length;
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}
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}
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assertEquals(lastExpected, RegExp.lastMatch, "lastMatch");
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assertEquals(str.substr(0, lastFrom), RegExp.leftContext, "leftContext");
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assertEquals(
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str.substr(lastFrom + lastLength), RegExp.rightContext, "rightContext");
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} else {
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assertTrue(result === null);
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}
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}
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CheckMatch(/abc/, "xxxabcxxxabcxxx", [[3, 3]]);
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CheckMatch(/abc/g, "xxxabcxxxabcxxx", [[3, 3], [9, 3]]);
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CheckMatch(/abc/, "xxxabababcxxxabcxxx", [[7, 3]]);
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CheckMatch(/abc/g, "abcabcabc", [[0, 3], [3, 3], [6, 3]]);
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CheckMatch(/aba/g, "ababababa", [[0, 3], [4, 3]]);
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CheckMatch(/foo/g, "ofooofoooofofooofo", [[1, 3], [5, 3], [12, 3]]);
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CheckMatch(/foobarbaz/, "xx", []);
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CheckMatch(new RegExp(""), "xxx", [[0, 0]]);
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CheckMatch(/abc/, "abababa", []);
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assertEquals("xxxdefxxxdefxxx", "xxxabcxxxabcxxx".replace(/abc/g, "def"));
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assertEquals("o-o-oofo-ofo", "ofooofoooofofooofo".replace(/foo/g, "-"));
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assertEquals("deded", "deded".replace(/x/g, "-"));
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assertEquals("-a-b-c-d-e-f-", "abcdef".replace(new RegExp("", "g"), "-"));
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CheckMatch(/a(.)/, "xyzzyabxyzzzyacxyzzy", [[5, 2], [6, 1]]);
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CheckMatch(/a(.)/g, "xyzzyabxyzzyacxyzzy", [[5, 2], [12, 2]]);
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CheckMatch(/a|(?:)/g, "aba", [[0, 1], [1, 0], [2, 1], [3, 0]]);
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CheckMatch(/a|(?:)/g, "baba", [[0, 0], [1, 1], [2, 0], [3, 1], [4, 0]]);
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CheckMatch(/a|(?:)/g, "bab", [[0, 0], [1, 1], [2, 0], [3, 0]]);
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