michael@0: /* Test that arrays resize normally during splice, even if .length is non-writable. */
michael@0: 
michael@0: var arr = [1, 2, 3, 4, 5, 6];
michael@0: 
michael@0: Object.defineProperty(arr, "length", {writable: false});
michael@0: 
michael@0: try
michael@0: {
michael@0:   var removed = arr.splice(3, 3, 9, 9, 9, 9);
michael@0:   throw new Error("splice didn't throw, returned [" + removed + "]");
michael@0: }
michael@0: catch (e)
michael@0: {
michael@0:   assertEq(e instanceof TypeError, true,
michael@0:            "should have thrown a TypeError, instead threw " + e + ", arr is " + arr);
michael@0: }
michael@0: 
michael@0: // The exception should happen in step 16, which means we've already removed the array elements.
michael@0: assertEq(arr[0], 1);
michael@0: assertEq(arr[1], 2);
michael@0: assertEq(arr[2], 3);
michael@0: assertEq(arr[3], 9);
michael@0: assertEq(arr[4], 9);
michael@0: assertEq(arr[5], 9);
michael@0: assertEq(arr.length, 6);