WeakMap/WeakSet: Add test for non object keys

Add test for non object keys in the iterable passed to the constructor.

BUG=v8:3399
LOG=Y
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/451033003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23090 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/mjsunit/es6/collections.js

@@ -1141,6 +1141,13 @@ TestSetConstructorNextNotAnObject(Set);
 TestSetConstructorNextNotAnObject(WeakSet);
 
 
+(function TestWeakSetConstructorNonObjectKeys() {
+  assertThrows(function() {
+    new WeakSet([1]);
+  }, TypeError);
+})();
+
+
 function TestMapConstructor(ctor) {
   var m = new ctor(null);
   assertSize(0, m);
@@ -1286,3 +1293,10 @@ function TestMapConstructorIteratorNotObjectValues(ctor) {
 }
 TestMapConstructorIteratorNotObjectValues(Map);
 TestMapConstructorIteratorNotObjectValues(WeakMap);
+
+
+(function TestWeakMapConstructorNonObjectKeys() {
+  assertThrows(function() {
+    new WeakMap([[1, 2]])
+  }, TypeError);
+})();