A64: Synchronize with r15545.

test/webkit/regexp-in-and-foreach-handling.js

 // 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
 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS 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.
 
-description(
-"Tests the behavior of Array.prototype.concat while the array is having a bad time due to one of the elements we are concatenating."
-);
+description("Test for bug 31689: RegExp#exec's returned Array-like object behaves differently from regular Arrays");
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
+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]);
+}
+