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js/src/jit-test/tests/basic/splice-on-arguments.js@6474c204b198 (annotated)

js/src/jit-test/tests/basic/splice-on-arguments.js

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	// test whether splice works on arguments
michael@0	2
michael@0	3	function splice_args () {
michael@0	4	args = arguments;
michael@0	5	return Array.prototype.splice.apply(args, [0, 5]);
michael@0	6	}
michael@0	7
michael@0	8	var args;
michael@0	9	var O = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
michael@0	10	var A = splice_args.apply(undefined, O)
michael@0	11
michael@0	12	// args: [5, 6, 7, 8, 9]
michael@0	13	assertEq(args[0], 5);
michael@0	14	assertEq(args[1], 6);
michael@0	15	assertEq(args[2], 7);
michael@0	16	assertEq(args[3], 8);
michael@0	17	assertEq(args[4], 9);
michael@0	18	assertEq(args.length, 5);
michael@0	19
michael@0	20	// A: [0, 1, 2, 3, 4]
michael@0	21	assertEq(A[0], 0);
michael@0	22	assertEq(A[1], 1);
michael@0	23	assertEq(A[2], 2);
michael@0	24	assertEq(A[3], 3);
michael@0	25	assertEq(A[4], 4);
michael@0	26	assertEq(A.length, 5);
michael@0	27
michael@0	28	// O: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
michael@0	29	assertEq(O[0], 0);
michael@0	30	assertEq(O[1], 1);
michael@0	31	assertEq(O[2], 2);
michael@0	32	assertEq(O[3], 3);
michael@0	33	assertEq(O[4], 4);
michael@0	34	assertEq(O[5], 5);
michael@0	35	assertEq(O[6], 6);
michael@0	36	assertEq(O[7], 7);
michael@0	37	assertEq(O[8], 8);
michael@0	38	assertEq(O[9], 9);
michael@0	39	assertEq(O.length, 10);