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// 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.
/**
* @fileoverview Test String.prototype.match
*/
function testMatch(name, input, regexp, result, captures, from, to) {
var matchResult = input.match(regexp);
assertEquals(result, matchResult, name + "-match");
var match = input.substring(from, to);
var preMatch = input.substring(0, from);
var postMatch = input.substring(to);
var lastParen = captures.length > 0 ? captures[captures.length - 1] : "";
if (regexp.global) {
// Returns array of matched strings.
var lastMatch = matchResult[matchResult.length - 1];
assertEquals(match, lastMatch, name + "-match-string_g");
} else {
// Returns array of match and captures.
assertEquals(match, matchResult[0], name + "-match-string");
assertEquals(captures.length + 1, matchResult.length, name + "-cap-return");
for (var i = 1; i < matchResult.length; i++) {
assertEquals(captures[i - 1], matchResult[i], name + "-cap-return-" + i);
}
}
assertEquals(match, RegExp["$&"], name + "-$&");
assertEquals(match, RegExp.lastMatch, name + "-lastMatch");
assertEquals(undefined, RegExp.$0, name + "-nocapture-10");
for (var i = 1; i <= 9; i++) {
if (i <= captures.length) {
assertEquals(captures[i - 1], RegExp["$" + i], name + "-capture-" + i);
} else {
assertEquals("", RegExp["$" + i], name + "-nocapture-" + i);
}
}
assertEquals(undefined, RegExp.$10, name + "-nocapture-10");
assertEquals(input, RegExp.input, name + "-input");
assertEquals(input, RegExp.$input, name + "-$input");
assertEquals(input, RegExp.$_, name + "-$_");
assertEquals(preMatch, RegExp["$`"], name + "-$`");
assertEquals(preMatch, RegExp.leftContext, name + "-leftContex");
assertEquals(postMatch, RegExp["$'"], name + "-$'");
assertEquals(postMatch, RegExp.rightContext, name + "-rightContex");
assertEquals(lastParen, RegExp["$+"], name + "-$+");
assertEquals(lastParen, RegExp.lastParen, name + "-lastParen");
}
var stringSample = "A man, a plan, a canal: Panama";
var stringSample2 = "Argle bargle glop glyf!";
var stringSample3 = "abcdefghijxxxxxxxxxx";
// Non-capturing, non-global regexp.
var re_nog = /\w+/;
testMatch("Nonglobal", stringSample, re_nog,
["A"],
[], 0, 1);
re_nog.lastIndex = 2;
testMatch("Nonglobal-ignore-lastIndex", stringSample, re_nog,
["A"],
[], 0, 1);
// Capturing non-global regexp.
var re_multicap = /(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)/;
testMatch("Capture-Nonglobal", stringSample3, re_multicap,
["abcdefghij", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j"],
["a", "b", "c", "d", "e", "f", "g", "h", "i", "j"], 0, 10);
// Global regexp (also check that capture from before are cleared)
var re = /\w+/g;
testMatch("Global", stringSample2, re,
["Argle", "bargle", "glop", "glyf"], [], 18, 22);
re.lastIndex = 10;
testMatch("Global-ignore-lastIndex", stringSample2, re,
["Argle", "bargle", "glop", "glyf"], [], 18, 22);
// Capturing global regexp
var re_cap = /\w(\w*)/g;
testMatch("Capture-Global", stringSample, re_cap,
["A", "man", "a", "plan", "a", "canal", "Panama"],
["anama"], 24, 30);
// Atom, non-global
var re_atom = /an/;
testMatch("Atom", stringSample, re_atom,
["an"],
[], 3, 5);
// Atom, global
var re_atomg = /an/g;
testMatch("Global-Atom", stringSample, re_atomg,
["an", "an", "an", "an"],
[], 25, 27);
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