regexp-in-and-foreach-handling.js 2.62 KB
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// Copyright 2013 the V8 project authors. All rights reserved.
// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1.  Redistributions of source code must retain the above copyright
//     notice, this list of conditions and the following disclaimer.
// 2.  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.
//
// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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description("Test for bug 31689: RegExp#exec's returned Array-like object behaves differently from regular Arrays");

var tests = [
    [ /(a)(_)?.+(c)(_)?.+(e)(_)?.+/, 'abcdef', '["abcdef", "a", undefined, "c", undefined, "e", undefined]' ],
    [ /(a)(_)?/, 'abcdef', '["a", "a", undefined]' ],
    [ /(_)?.+(a)/, 'xabcdef', '["xa", undefined, "a"]' ],
    [ /(_)?.+(a)(_)?/, 'xabcdef', '["xa", undefined, "a", undefined]' ],
];

function testRegExpMatchesArray(i)
{
    return tests[i][0].exec(tests[i][1]);
}

function testInOperator(i)
{
    var re = tests[i][0],
        str = tests[i][1],
        inArray = [],
        matches = re.exec(str);

    for (var j = 0; j < matches.length; j++) {
        if (j in matches) {
            inArray.push(matches[j]);
        }
    }
    return inArray;
}

function testForEachFunction(i)
{
    var re = tests[i][0],
        str = tests[i][1],
        inArray = [],
        matches = re.exec(str);

    matches.forEach(function(m) {
        inArray.push(m);
    });
    return inArray;

}

for (var i in tests) {
    shouldBe('testRegExpMatchesArray(' + i + ')', tests[i][2]);
    shouldBe('testInOperator(' + i + ')', tests[i][2]);
    shouldBe('testForEachFunction(' + i + ')', tests[i][2]);
}