Migrate more tests from blink repository.

test/webkit/fast/js/object-bad-time.js

Index: test/webkit/fast/js/object-bad-time.js
diff --git a/test/webkit/dfg-array-pop-side-effects.js b/test/webkit/fast/js/object-bad-time.js
similarity index 64%
copy from test/webkit/dfg-array-pop-side-effects.js
copy to test/webkit/fast/js/object-bad-time.js
index 8d4d5f319a57a3015a3f454a9b06a865ab25dc94..2fdb2d17cedad3d7f914ed1b4f70c632888cd5f4 100644
--- a/test/webkit/dfg-array-pop-side-effects.js
+++ b/test/webkit/fast/js/object-bad-time.js
@@ -22,41 +22,37 @@
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 description(
-"Tests that ArrayPop is known to the DFG to be a side effect."
+"Tests that defining a setter on the prototype of an object used for indexed storage works even if it is done after objects with indexed storage are allocated."
 );
 
-function foo(a, b) {
-    var result = a.f;
-    result += b.pop();
-    result += a.g;
-    return result;
+function Cons() {
 }
 
 var ouches = 0;
-for (var i = 0; i < 200; ++i) {
-    var a = {f:1, g:2};
-    var b = [];
-    var expected;
-    if (i < 150) {
-        // Ensure that we always transition the array's structure to one that indicates
-        // that we have array storage.
-        b.__defineGetter__("0", function() {
-            testFailed("Should never get here");
-        });
-        b.length = 0;
-        b[0] = 42;
-        expected = "45";
-    } else {
-        b.__defineGetter__("0", function() {
-            debug("Ouch!");
-            ouches++;
-            delete a.g;
-            a.h = 43;
-            return 5;
-        });
-        expected = "0/0";
+
+function foo(haveABadTime) {
+    var result = new Cons();
+    result.length = 5;
+    for (var i = 0; i < result.length; ++i) {
+        if (i == haveABadTime) {
+            debug("Henceforth I will have a bad time.");
+            Cons.prototype.__defineSetter__("3", function() { debug("Ouch!"); ouches++; });
+        }
+        result[i] = i;
     }
-    shouldBe("foo(a, b)", expected);
+    return result;
+}
+
+var expected = "\"0,1,2,3,4\"";
+
+for (var i = 0; i < 1000; ++i) {
+    var haveABadTime;
+    if (i == 950) {
+        haveABadTime = 2;
+        expected = "\"0,1,2,,4\"";
+    } else
+        haveABadTime = -1;
+    shouldBe("\"" + Array.prototype.join.apply(foo(haveABadTime), [","]) + "\"", expected);
 }
 
 shouldBe("ouches", "50");