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js/src/jit-test/tests/collections/key-equality-0.js@6474c204b198 (annotated)

js/src/jit-test/tests/collections/key-equality-0.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	// -0 is treated as the same key as +0.
michael@0	2
michael@0	3	var s = new Set;
michael@0	4	s.add(-0);
michael@0	5	assertEq(s.has(0), true);
michael@0	6	assertEq(s.has(-0), true);
michael@0	7
michael@0	8	assertEq(s.delete(0), true);
michael@0	9	assertEq(s.has(-0), false);
michael@0	10	assertEq(s.has(0), false);
michael@0	11
michael@0	12	s.add(0);
michael@0	13	assertEq(s.has(0), true);
michael@0	14	assertEq(s.has(-0), true);
michael@0	15	assertEq(s.delete(-0), true);
michael@0	16	assertEq(s.has(-0), false);
michael@0	17	assertEq(s.has(0), false);
michael@0	18
michael@0	19	var m = new Map;
michael@0	20	m.set(-0, 'x');
michael@0	21	assertEq(m.has(0), true);
michael@0	22	assertEq(m.get(0), 'x');
michael@0	23	assertEq(m.has(-0), true);
michael@0	24	assertEq(m.get(-0), 'x');
michael@0	25
michael@0	26	assertEq(m.delete(0), true);
michael@0	27	assertEq(m.has(-0), false);
michael@0	28	assertEq(m.get(-0), undefined);
michael@0	29	assertEq(m.has(0), false);
michael@0	30	assertEq(m.get(0), undefined);
michael@0	31
michael@0	32	m.set(-0, 'x');
michael@0	33	m.set(0, 'y');
michael@0	34	assertEq(m.has(0), true);
michael@0	35	assertEq(m.get(0), 'y');
michael@0	36	assertEq(m.has(-0), true);
michael@0	37	assertEq(m.get(-0), 'y');
michael@0	38
michael@0	39	assertEq(m.delete(-0), true);
michael@0	40	assertEq(m.has(0), false);
michael@0	41	assertEq(m.get(0), undefined);
michael@0	42	assertEq(m.has(-0), false);
michael@0	43	assertEq(m.get(-0), undefined);