Migrated several tests from blink to V8 repository.

test/webkit/tostring-exception-in-property-access.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("This tests that the various subscript operators handle subscript string conversion exceptions correctly.");
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
+var toStringThrower = { toString: function() { throw "Exception thrown by toString"; }};
+var target = {"" : "Did not assign to property when setter subscript threw"};
 
+try {
+    target[toStringThrower] = "Assigned to property on object when subscript threw";
+} catch(e) {
+    testPassed("PASS: Exception caught -- " + e);
+}
+shouldBe('target[""]', "'Did not assign to property when setter subscript threw'");
 
+target[""] = "Did not delete property when subscript threw";
+try {
+    delete target[toStringThrower];
+} catch(e) {
+    testPassed("PASS: Exception caught -- " + e);
+}
+shouldBe('target[""]', "'Did not delete property when subscript threw'");
+
+delete target[""];
+
+target.__defineGetter__("", function(){
+                                testFailed('FAIL: Loaded property from object when subscript threw.');
+                                return "FAIL: Assigned to result when subscript threw.";
+                            });
+var localTest = "Did not assign to result when subscript threw.";
+try {
+    localTest = target[toStringThrower];
+} catch(e) {
+    testPassed("PASS: Exception caught -- " + e);
+}
+shouldBe('localTest', "'Did not assign to result when subscript threw.'");