// ES5 section 15.2.3.8.
function ObjectSealJS(obj) {
- if (!IS_SPEC_OBJECT(obj)) {
- throw MakeTypeError(kCalledOnNonObject, "Object.seal");
- }
+ if (!IS_SPEC_OBJECT(obj)) return obj;
var isProxy = %_IsJSProxy(obj);
if (isProxy || %HasSloppyArgumentsElements(obj) || %IsObserved(obj)) {
if (isProxy) {
// ES5 section 15.2.3.9.
function ObjectFreezeJS(obj) {
- if (!IS_SPEC_OBJECT(obj)) {
- throw MakeTypeError(kCalledOnNonObject, "Object.freeze");
- }
+ if (!IS_SPEC_OBJECT(obj)) return obj;
var isProxy = %_IsJSProxy(obj);
if (isProxy || %HasSloppyArgumentsElements(obj) || %IsObserved(obj)) {
if (isProxy) {
// ES5 section 15.2.3.10
function ObjectPreventExtension(obj) {
- if (!IS_SPEC_OBJECT(obj)) {
- throw MakeTypeError(kCalledOnNonObject, "Object.preventExtension");
- }
+ if (!IS_SPEC_OBJECT(obj)) return obj;
if (%_IsJSProxy(obj)) {
ProxyFix(obj);
}
// ES5 section 15.2.3.11
function ObjectIsSealed(obj) {
- if (!IS_SPEC_OBJECT(obj)) {
- throw MakeTypeError(kCalledOnNonObject, "Object.isSealed");
- }
+ if (!IS_SPEC_OBJECT(obj)) return true;
if (%_IsJSProxy(obj)) {
return false;
}
// ES5 section 15.2.3.12
function ObjectIsFrozen(obj) {
- if (!IS_SPEC_OBJECT(obj)) {
- throw MakeTypeError(kCalledOnNonObject, "Object.isFrozen");
- }
+ if (!IS_SPEC_OBJECT(obj)) return true;
if (%_IsJSProxy(obj)) {
return false;
}
// ES5 section 15.2.3.13
function ObjectIsExtensible(obj) {
- if (!IS_SPEC_OBJECT(obj)) {
- throw MakeTypeError(kCalledOnNonObject, "Object.isExtensible");
- }
+ if (!IS_SPEC_OBJECT(obj)) return false;
if (%_IsJSProxy(obj)) {
return true;
}
[].forEach(1);
}, "1 is not a function", TypeError);
-// kCalledOnNonObject
-test(function() {
- Object.freeze(1)
-}, "Object.freeze called on non-object", TypeError);
-
// kCannotConvertToPrimitive
test(function() {
[].join(Object(Symbol(1)));
// (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.
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);
+})();
// (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.seal and Object.isSealed methods - ES 15.2.3.9 and
-// ES 15.2.3.12
+// Tests the Object.seal and Object.isSealed methods - ES 19.1.2.17 and
+// ES 19.1.2.13
// Flags: --allow-natives-syntax --noalways-opt
-// 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.seal(non_objects[key]);
- } catch(e) {
- exception = true;
- assertTrue(/Object.seal called on non-object/.test(e));
- }
- assertTrue(exception);
+ assertSame(non_objects[key], Object.seal(non_objects[key]));
}
+// Test that isFrozen always returns true for non-objects
for (var key in non_objects) {
- exception = false;
- try {
- Object.isSealed(non_objects[key]);
- } catch(e) {
- exception = true;
- assertTrue(/Object.isSealed called on non-object/.test(e));
- }
- assertTrue(exception);
+ assertTrue(Object.isSealed(non_objects[key]));
}
// Test normal data properties.
Object.seal(obj);
assertTrue(%HasFastProperties(obj));
assertTrue(Object.isSealed(obj));
+
+function Sealed() {}
+Object.seal(Sealed);
+assertDoesNotThrow(function() { return new Sealed(); });
+Sealed.prototype.prototypeExists = true;
+assertTrue((new Sealed()).prototypeExists);
'built-ins/Date/prototype/setFullYear/15.9.5.40_1': [FAIL],
'built-ins/Error/prototype/S15.11.4_A2': [FAIL],
'built-ins/Object/defineProperty/15.2.3.6-4-293-4': [FAIL],
- 'built-ins/Object/freeze/15.2.3.9-1': [FAIL],
- 'built-ins/Object/freeze/15.2.3.9-1-1': [FAIL],
- 'built-ins/Object/freeze/15.2.3.9-1-2': [FAIL],
- 'built-ins/Object/freeze/15.2.3.9-1-3': [FAIL],
- 'built-ins/Object/freeze/15.2.3.9-1-4': [FAIL],
'built-ins/Object/getOwnPropertyDescriptor/15.2.3.3-4-212': [FAIL],
'built-ins/Object/getOwnPropertyDescriptor/15.2.3.3-4-213': [FAIL],
'built-ins/Object/getOwnPropertyDescriptor/15.2.3.3-4-214': [FAIL],
'built-ins/Object/getOwnPropertyDescriptor/15.2.3.3-4-215': [FAIL],
- 'built-ins/Object/isExtensible/15.2.3.13-1': [FAIL],
- 'built-ins/Object/isExtensible/15.2.3.13-1-1': [FAIL],
- 'built-ins/Object/isExtensible/15.2.3.13-1-2': [FAIL],
- 'built-ins/Object/isExtensible/15.2.3.13-1-3': [FAIL],
- 'built-ins/Object/isExtensible/15.2.3.13-1-4': [FAIL],
- 'built-ins/Object/isFrozen/15.2.3.12-1': [FAIL],
- 'built-ins/Object/isFrozen/15.2.3.12-1-1': [FAIL],
- 'built-ins/Object/isFrozen/15.2.3.12-1-2': [FAIL],
- 'built-ins/Object/isFrozen/15.2.3.12-1-3': [FAIL],
- 'built-ins/Object/isFrozen/15.2.3.12-1-4': [FAIL],
- 'built-ins/Object/isSealed/15.2.3.11-1': [FAIL],
- 'built-ins/Object/preventExtensions/15.2.3.10-1': [FAIL],
- 'built-ins/Object/preventExtensions/15.2.3.10-1-1': [FAIL],
- 'built-ins/Object/preventExtensions/15.2.3.10-1-2': [FAIL],
- 'built-ins/Object/preventExtensions/15.2.3.10-1-3': [FAIL],
- 'built-ins/Object/preventExtensions/15.2.3.10-1-4': [FAIL],
- 'built-ins/Object/seal/15.2.3.8-1': [FAIL],
- 'built-ins/Object/seal/15.2.3.8-1-1': [FAIL],
- 'built-ins/Object/seal/15.2.3.8-1-2': [FAIL],
- 'built-ins/Object/seal/15.2.3.8-1-3': [FAIL],
- 'built-ins/Object/seal/15.2.3.8-1-4': [FAIL],
'built-ins/Promise/S25.4.3.1_A5.1_T2': [FAIL],
'built-ins/Promise/prototype/then/S25.4.2.1_A3.1_T2': [FAIL],
'built-ins/Promise/prototype/then/S25.4.2.1_A3.2_T2': [FAIL],
'15.3.4.5-21-4': [FAIL],
'15.3.4.5-21-5': [FAIL],
+ # Object.freeze(O), Object.seal(O), and Object.preventExtensions(O),
+ # Object.isFrozen(O), Object.isSealed(O), and Object.isExtensible(O) no longer
+ # throw when passed a non-object value in ES6.
+ '15.2.3.8-1': [FAIL],
+ '15.2.3.8-1-1': [FAIL],
+ '15.2.3.8-1-2': [FAIL],
+ '15.2.3.8-1-3': [FAIL],
+ '15.2.3.8-1-4': [FAIL],
+ '15.2.3.9-1': [FAIL],
+ '15.2.3.9-1-1': [FAIL],
+ '15.2.3.9-1-2': [FAIL],
+ '15.2.3.9-1-3': [FAIL],
+ '15.2.3.9-1-4': [FAIL],
+ '15.2.3.10-1': [FAIL],
+ '15.2.3.10-1-1': [FAIL],
+ '15.2.3.10-1-2': [FAIL],
+ '15.2.3.10-1-3': [FAIL],
+ '15.2.3.10-1-4': [FAIL],
+ '15.2.3.11-1': [FAIL],
+ '15.2.3.12-1': [FAIL],
+ '15.2.3.12-1-1': [FAIL],
+ '15.2.3.12-1-2': [FAIL],
+ '15.2.3.12-1-3': [FAIL],
+ '15.2.3.12-1-4': [FAIL],
+ '15.2.3.13-1': [FAIL],
+ '15.2.3.13-1-1': [FAIL],
+ '15.2.3.13-1-2': [FAIL],
+ '15.2.3.13-1-3': [FAIL],
+ '15.2.3.13-1-4': [FAIL],
+
######################## NEEDS INVESTIGATION ###########################
# These test failures are specific to the intl402 suite and need investigation
projects / platform / upstream / v8.git / commitdiff