Migrated several tests from blink to V8 repository.

test/webkit/tostring-exception-in-property-access.js

Index: test/webkit/tostring-exception-in-property-access.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/tostring-exception-in-property-access.js
similarity index 52%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/tostring-exception-in-property-access.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..2274255057b6b8b8f3dc42329a6d73db321e52b6 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/tostring-exception-in-property-access.js
@@ -21,11 +21,36 @@
 // (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.'");