Upgrade V8 to version 4.9.385.28
https://chromium.googlesource.com/v8/v8/+/4.9.385.28
FPIIM-449
Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/test/mjsunit/object-freeze.js b/test/mjsunit/object-freeze.js
index 5d1f8b7..23f5af0 100644
--- a/test/mjsunit/object-freeze.js
+++ b/test/mjsunit/object-freeze.js
@@ -25,33 +25,20 @@
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-// Tests the Object.freeze and Object.isFrozen methods - ES 15.2.3.9 and
-// ES 15.2.3.12
+// Tests the Object.freeze and Object.isFrozen methods - ES 19.1.2.5 and
+// ES 19.1.2.12
// Flags: --allow-natives-syntax
-// Test that we throw an error if an object is not passed as argument.
-var non_objects = new Array(undefined, null, 1, -1, 0, 42.43);
+// Test that we return obj if non-object is passed as argument
+var non_objects = new Array(undefined, null, 1, -1, 0, 42.43, Symbol("test"));
for (var key in non_objects) {
- var exception = false;
- try {
- Object.freeze(non_objects[key]);
- } catch(e) {
- exception = true;
- assertTrue(/Object.freeze called on non-object/.test(e));
- }
- assertTrue(exception);
+ assertSame(non_objects[key], Object.freeze(non_objects[key]));
}
+// Test that isFrozen always returns true for non-objects
for (var key in non_objects) {
- exception = false;
- try {
- Object.isFrozen(non_objects[key]);
- } catch(e) {
- exception = true;
- assertTrue(/Object.isFrozen called on non-object/.test(e));
- }
- assertTrue(exception);
+ assertTrue(Object.isFrozen(non_objects[key]));
}
// Test normal data properties.
@@ -348,3 +335,64 @@
Object.freeze(obj);
assertTrue(Object.isSealed(obj));
assertTrue(Object.isFrozen(obj));
+
+
+(function propertiesOfFrozenObjectNotFrozen() {
+ function Frozen() {}
+ Object.freeze(Frozen);
+ assertDoesNotThrow(function() { return new Frozen(); });
+ Frozen.prototype.prototypeExists = true;
+ assertTrue((new Frozen()).prototypeExists);
+})();
+
+
+(function frozenPrototypePreventsPUT() {
+ // A read-only property on the prototype should prevent a [[Put]] .
+ function Constructor() {}
+ Constructor.prototype.foo = 1;
+ Object.freeze(Constructor.prototype);
+ var obj = new Constructor();
+ obj.foo = 2;
+ assertSame(1, obj.foo);
+})();
+
+
+(function frozenFunctionSloppy() {
+ // Check that freezing a function works correctly.
+ var func = Object.freeze(function foo(){});
+ assertTrue(Object.isFrozen(func));
+ func.prototype = 42;
+ assertFalse(func.prototype === 42);
+ assertFalse(Object.getOwnPropertyDescriptor(func, "prototype").writable);
+})();
+
+
+(function frozenFunctionStrict() {
+ // Check that freezing a strict function works correctly.
+ var func = Object.freeze(function foo(){ "use strict"; });
+ assertTrue(Object.isFrozen(func));
+ func.prototype = 42;
+ assertFalse(func.prototype === 42);
+ assertFalse(Object.getOwnPropertyDescriptor(func, "prototype").writable);
+})();
+
+
+(function frozenArrayObject() {
+ // Check that freezing array objects works correctly.
+ var array = Object.freeze([0,1,2]);
+ assertTrue(Object.isFrozen(array));
+ array[0] = 3;
+ assertEquals(0, array[0]);
+ assertFalse(Object.getOwnPropertyDescriptor(array, "length").writable);
+})();
+
+
+(function frozenArgumentsObject() {
+ // Check that freezing arguments objects works correctly.
+ var args = Object.freeze((function(){ return arguments; })(0,1,2));
+ assertTrue(Object.isFrozen(args));
+ args[0] = 3;
+ assertEquals(0, args[0]);
+ assertFalse(Object.getOwnPropertyDescriptor(args, "length").writable);
+ assertFalse(Object.getOwnPropertyDescriptor(args, "callee").writable);
+})();