Migrate more tests from blink repository.

test/webkit/fast/js/object-slow-put.js

Index: test/webkit/fast/js/object-slow-put.js
diff --git a/test/webkit/dfg-arguments-mixed-alias.js b/test/webkit/fast/js/object-slow-put.js
similarity index 76%
copy from test/webkit/dfg-arguments-mixed-alias.js
copy to test/webkit/fast/js/object-slow-put.js
index 477eac3d5f748c15e2a71f30f5c34b471b89cec4..bf8234f209c68cf992bb8dd3da6312d56fccdfd3 100644
--- a/test/webkit/dfg-arguments-mixed-alias.js
+++ b/test/webkit/fast/js/object-slow-put.js
@@ -22,21 +22,24 @@
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 description(
-"Tests functions that use 'arguments' in both an aliased and a non-aliased way."
+"Tests that defining a setter on the prototype of an object used for indexed storage works."
 );
 
-function foo() {
-    var result = 0;
-    var a = arguments;
-    for (var i = 0; i < a.length; ++i)
-        result += arguments[i];
-    return result;
+function Cons() {
 }
 
-function bar(x) {
-    return foo(x);
+var ouches = 0;
+Cons.prototype.__defineSetter__("3", function() { debug("Ouch!"); ouches++; });
+
+function foo() {
+    var result = new Cons();
+    result.length = 5;
+    for (var i = 0; i < result.length; ++i)
+        result[i] = i;
+    return result;
 }
 
-for (var i = 0; i < 200; ++i)
-    shouldBe("bar(42)", "42");
+for (var i = 0; i < 100; ++i)
+    shouldBe("\"" + Array.prototype.join.apply(foo(), [","]) + "\"", "\"0,1,2,,4\"");
 
+shouldBe("ouches", "100");