Migrated several tests from blink to V8 repository.

test/webkit/dfg-convert-this-dom-window.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 tests that we can correctly call Function.prototype.call in the DFG, but more precisely, that we give the correct this object in case it is undefined"
+);
+
+var myObject = { call: function() { return [myObject, "myObject.call"] } };
+var myFunction = function (arg1) { return [this, "myFunction", arg1] };
+var myFunctionWithCall = function (arg1) { return [this, "myFunctionWithCall", arg1] };
+myFunctionWithCall.call = function (arg1) { return [this, "myFunctionWithCall.call", arg1] };
+Function.prototype.aliasedCall = Function.prototype.call;
+
+for (var i = 0; i < 100; ++i) {
+    shouldBe("myObject.call()", '[myObject, "myObject.call"]');
+    shouldBe("myFunction('arg1')", '[this, "myFunction", "arg1"]');
+    shouldBe("myFunction.call(myObject, 'arg1')", '[myObject, "myFunction", "arg1"]');
+    shouldBe("myFunction.call()", '[this, "myFunction", undefined]');
+    shouldBe("myFunction.call(null)", '[this, "myFunction", undefined]');
+    shouldBe("myFunction.call(undefined)", '[this, "myFunction", undefined]');
+    shouldBe("myFunction.aliasedCall(myObject, 'arg1')", '[myObject, "myFunction", "arg1"]');
+    shouldBe("myFunction.aliasedCall()", '[this, "myFunction", undefined]');
+    shouldBe("myFunction.aliasedCall(null)", '[this, "myFunction", undefined]');
+    shouldBe("myFunction.aliasedCall(undefined)", '[this, "myFunction", undefined]');
+    shouldBe("myFunctionWithCall.call(myObject, 'arg1')", '[myFunctionWithCall, "myFunctionWithCall.call", myObject]');
+    shouldBe("myFunctionWithCall.aliasedCall(myObject, 'arg1')", '[myObject, "myFunctionWithCall", "arg1"]');
+}