michael@0: // test whether splice works on arguments
michael@0: 
michael@0: function splice_args () {
michael@0:     args = arguments;
michael@0:     return Array.prototype.splice.apply(args, [0, 5]);
michael@0: }
michael@0: 
michael@0: var args;
michael@0: var O = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
michael@0: var A = splice_args.apply(undefined, O)
michael@0: 
michael@0: // args: [5, 6, 7, 8, 9]
michael@0: assertEq(args[0], 5);
michael@0: assertEq(args[1], 6);
michael@0: assertEq(args[2], 7);
michael@0: assertEq(args[3], 8);
michael@0: assertEq(args[4], 9);
michael@0: assertEq(args.length, 5);
michael@0: 
michael@0: // A: [0, 1, 2, 3, 4]
michael@0: assertEq(A[0], 0);
michael@0: assertEq(A[1], 1);
michael@0: assertEq(A[2], 2);
michael@0: assertEq(A[3], 3);
michael@0: assertEq(A[4], 4);
michael@0: assertEq(A.length, 5);
michael@0: 
michael@0: // O: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
michael@0: assertEq(O[0], 0);
michael@0: assertEq(O[1], 1);
michael@0: assertEq(O[2], 2);
michael@0: assertEq(O[3], 3);
michael@0: assertEq(O[4], 4);
michael@0: assertEq(O[5], 5);
michael@0: assertEq(O[6], 6);
michael@0: assertEq(O[7], 7);
michael@0: assertEq(O[8], 8);
michael@0: assertEq(O[9], 9);
michael@0: assertEq(O.length, 10);