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js/src/jit-test/tests/basic/spread-call-funapply.js@b8a032363ba2 (annotated)

js/src/jit-test/tests/basic/spread-call-funapply.js

Thu, 22 Jan 2015 13:21:57 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 22 Jan 2015 13:21:57 +0100

branch

TOR_BUG_9701

changeset 15

b8a032363ba2

permissions

-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0	1	load(libdir + "asserts.js");
michael@0	2	load(libdir + "eqArrayHelper.js");
michael@0	3	load(libdir + "iteration.js");
michael@0	4
michael@0	5	function checkCommon(f) {
michael@0	6	assertEqArray(f.apply(null, ...[[1, 2, 3]]), [1, 2, 3]);
michael@0	7	assertEqArray(f.apply(...[null], [1, 2, 3]), [1, 2, 3]);
michael@0	8	assertEqArray(f.apply(...[null], ...[[1, 2, 3]]), [1, 2, 3]);
michael@0	9	assertEqArray(f.apply(...[null, [1, 2, 3]]), [1, 2, 3]);
michael@0	10
michael@0	11	// other iterable objects
michael@0	12	assertEqArray(f.apply(...Set([null, [1, 2, 3]])), [1, 2, 3]);
michael@0	13	assertEqArray(f.apply(...[null, [1, 2, 3]][std_iterator]()), [1, 2, 3]);
michael@0	14	let itr = {};
michael@0	15	itr[std_iterator] = function() {
michael@0	16	return {
michael@0	17	i: 0,
michael@0	18	next: function() {
michael@0	19	this.i++;
michael@0	20	if (this.i == 1)
michael@0	21	return { value: null, done: false };
michael@0	22	else if (this.i == 2)
michael@0	23	return { value: [1, 2, 3], done: false };
michael@0	24	else
michael@0	25	return { value: undefined, done: true };
michael@0	26	}
michael@0	27	};
michael@0	28	};
michael@0	29	assertEqArray(f.apply(...itr), [1, 2, 3]);
michael@0	30	function* gen() {
michael@0	31	yield null;
michael@0	32	yield [1, 2, 3];
michael@0	33	}
michael@0	34	assertEqArray(f.apply(...gen()), [1, 2, 3]);
michael@0	35
michael@0	36	let a;
michael@0	37	assertEqArray(f.apply(null, ...a=[[1, 2, 3]]), [1, 2, 3]);
michael@0	38
michael@0	39	// According to the draft spec, null and undefined are to be treated as empty
michael@0	40	// arrays. However, they are not iterable. If the spec is not changed to be in
michael@0	41	// terms of iterables, these tests should be fixed.
michael@0	42	//assertEqArray(f.apply(null, ...null, [1, 2, 3]), [1, 2, 3]);
michael@0	43	//assertEqArray(f.apply(null, ...undefined, [1, 2, 3]), [1, 2, 3]);
michael@0	44	assertThrowsInstanceOf(() => f.apply(null, ...null, [1, 2, 3]), TypeError);
michael@0	45	assertThrowsInstanceOf(() => f.apply(null, ...undefined, [1, 2, 3]), TypeError);
michael@0	46	}
michael@0	47
michael@0	48	function checkNormal(f) {
michael@0	49	checkCommon(f);
michael@0	50
michael@0	51	assertEqArray(f.apply(null, ...[[]]), [undefined, undefined, undefined]);
michael@0	52	assertEqArray(f.apply(null, ...[[1]]), [1, undefined, undefined]);
michael@0	53	assertEqArray(f.apply(null, ...[[1, 2]]), [1, 2, undefined]);
michael@0	54	assertEqArray(f.apply(null, ...[[1, 2, 3, 4]]), [1, 2, 3]);
michael@0	55
michael@0	56	assertEqArray(f.apply(null, ...[[undefined]]), [undefined, undefined, undefined]);
michael@0	57	}
michael@0	58
michael@0	59	checkNormal(function(a, b, c) [a, b, c]);
michael@0	60	checkNormal((a, b, c) => [a, b, c]);
michael@0	61
michael@0	62	function checkDefault(f) {
michael@0	63	checkCommon(f);
michael@0	64
michael@0	65	assertEqArray(f.apply(null, ...[[]]), [-1, -2, -3]);
michael@0	66	assertEqArray(f.apply(null, ...[[1]]), [1, -2, -3]);
michael@0	67	assertEqArray(f.apply(null, ...[[1, 2]]), [1, 2, -3]);
michael@0	68	assertEqArray(f.apply(null, ...[[1, 2, 3, 4]]), [1, 2, 3]);
michael@0	69
michael@0	70	assertEqArray(f.apply(null, ...[[undefined]]), [-1, -2, -3]);
michael@0	71	}
michael@0	72
michael@0	73	checkDefault(function(a = -1, b = -2, c = -3) [a, b, c]);
michael@0	74	checkDefault((a = -1, b = -2, c = -3) => [a, b, c]);
michael@0	75
michael@0	76	function checkRest(f) {
michael@0	77	checkCommon(f);
michael@0	78
michael@0	79	assertEqArray(f.apply(null, ...[[]]), []);
michael@0	80	assertEqArray(f.apply(null, ...[[1]]), [1]);
michael@0	81	assertEqArray(f.apply(null, ...[[1, 2]]), [1, 2]);
michael@0	82	assertEqArray(f.apply(null, ...[[1, 2, 3, 4]]), [1, 2, 3, 4]);
michael@0	83
michael@0	84	assertEqArray(f.apply(null, ...[[undefined]]), [undefined]);
michael@0	85
michael@0	86	// other iterable objects
michael@0	87	assertEqArray(f.apply(null, ...Map([[["a", "A"], ["b", "B"]]])).map(([k, v]) => k + v), ["aA", "bB"]);
michael@0	88	}
michael@0	89
michael@0	90	checkRest(function(...x) x);
michael@0	91	checkRest((...x) => x);