michael@0: /* Test that splice causing deletion of a non-configurable property stops at exactly step 12(v) of ES5 15.4.4.12 */
michael@0: 
michael@0: var O = [1,2,3,4,5,6];
michael@0: var A = undefined;
michael@0: Object.defineProperty(O, 3, { configurable: false });
michael@0: 
michael@0: try
michael@0: {
michael@0:   A = O.splice(0, 6);
michael@0:   throw new Error("didn't throw, returned " + A);
michael@0: }
michael@0: catch (e)
michael@0: {
michael@0:   assertEq(e instanceof TypeError, true,
michael@0:            "deleting O[3] should have caused a TypeError");
michael@0: }
michael@0: 
michael@0: assertEq(O.length, 6); // setting length not reached
michael@0: assertEq(A, undefined); // return value not reached
michael@0: 
michael@0: assertEq(O[5], undefined); // deletion reached
michael@0: assertEq(O[4], undefined); // deletion reached
michael@0: assertEq(O[3], 4); // deletion caused exception
michael@0: assertEq(O[2], 3); // deletion not reached
michael@0: assertEq(O[1], 2); // deletion not reached
michael@0: assertEq(O[0], 1); // deletion not reached