Migrate more tests from blink repository.

test/webkit/fast/js/kde/assignments.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(
-"This test puts an item in a big index and then tries to change it. It shoudl change successfully."
-);
+description("KDE JS Test");
+// simple assignment
+shouldBe("var i = 1; i", "1");
+shouldBe("j = k = 2", "2");
+shouldBeUndefined("var i; i");
 
-var array = [];
-array[10001] = 0;
-array[10001] = 5;
-array[10002] = "a";
-array[10002] = "b";
-
-shouldBe('array[10001]', '5');
-shouldBe('array[10002]', '"b"');
+// compound assignments
+shouldBe("var i = 1; i <<= 2", "4");
+shouldBe("var i = 8; i >>= 1", "4");
+shouldBe("var i = 1; i >>= 2", "0");
+shouldBe("var i = -8; i >>= 24", "-1");
+shouldBe("var i = 8; i >>>= 2", "2");
+shouldBe("var i = -8; i >>>= 24", "255");