Migrated several tests from blink to V8 repository.

test/webkit/dictionary-no-cache.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("Test to ensure that we handle caching of prototype chains containing dictionaries.");
+
+var Test = function(){};
+
+var methodCount = 65;
+
+for (var i = 0; i < methodCount; i++){
+    Test.prototype['myMethod' + i] = function(){};
+}
+
+var test1 = new Test();
+
+for (var k in test1);
+
+Test.prototype.myAdditionalMethod = function(){};
+var test2 = new Test();
+var j = k;
+var foundNewPrototypeProperty = false;
+for (var k in test2){
+    if ("myAdditionalMethod" == k) foundNewPrototypeProperty = true;
+}
+shouldBeTrue('foundNewPrototypeProperty');
+
+var Test = function(){};
+for (var i = 0; i < methodCount; i++){
+    Test.prototype['myMethod' + i] = function(){};
+}
+var test1 = new Test();
+
+for (var k in test1);
+
+delete (Test.prototype)[k]
+var test2 = new Test();
+var j = k;
+var foundRemovedPrototypeProperty = false;
+for (var k in test2){
+    if (j == k) foundRemovedPrototypeProperty = true;
+}
+shouldBeFalse("foundRemovedPrototypeProperty");
+
+var Test = function(){};
+for (var i = 0; i < methodCount; i++){
+    Test.prototype['myMethod' + i] = function(){};
+}
+
+function update(test) {
+    test.newProperty = true;
+}
+var test1 = new Test();
+update(test1);
+
+var test2 = new Test();
+update(test2);
+
+var test3 = new Test();
+update(test3);
+var calledNewPrototypeSetter = false;
+Test.prototype.__defineSetter__("newProperty", function(){ calledNewPrototypeSetter = true; });
+var test4 = new Test();
+update(test4);
+shouldBeTrue('calledNewPrototypeSetter');
+
+var test4 = {__proto__:{prop:"on prototype"}};
+for (var i = 0; i < 200; i++)
+    test4[i]=[i];
+
+var test5 = {__proto__:{__proto__:{prop:"on prototype's prototype"}}};
+for (var i = 0; i < 200; i++)
+    test5[i]=[i];
+
+getTestProperty = function(o) {
+    return o.prop;
+}
+
+getTestProperty(test4);
+getTestProperty(test4);
+shouldBe("getTestProperty(test4)", '"on prototype"');
+test4.prop = "on self";
+shouldBe("getTestProperty(test4)", '"on self"');
+
+getTestProperty = function(o) {
+    return o.prop;
+}
+
+getTestProperty(test5);
+getTestProperty(test5);
+shouldBe("getTestProperty(test5)", '"on prototype\'s prototype"');
+test5.prop = "on self";
+shouldBe("getTestProperty(test5)", '"on self"');