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js/src/jit-test/tests/collections/key-equality-1.js@b8a032363ba2 (annotated)

js/src/jit-test/tests/collections/key-equality-1.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	// Different representations of the same number or string are treated as the same Map key.
michael@0	2
michael@0	3	var m = new Map;
michael@0	4	var test = function test(a, b) {
michael@0	5	m.set(a, 'secret');
michael@0	6	assertEq(m.get(b), 'secret');
michael@0	7	m.set(b, 'password');
michael@0	8	assertEq(m.get(a), 'password');
michael@0	9
michael@0	10	assertEq(a, b);
michael@0	11	};
michael@0	12
michael@0	13	// Float and integer representations of the same number are the same key.
michael@0	14	test(9, Math.sqrt(81));
michael@0	15
michael@0	16	// Ordinary strings and ropes are the same key.
michael@0	17	var a = Array(1001).join('x');
michael@0	18	var b = Array(501).join('x') + Array(501).join('x');
michael@0	19	test(a, b);
michael@0	20
michael@0	21	// Two structurally different ropes with the same characters are the same key.
michael@0	22	a = "";
michael@0	23	b = "";
michael@0	24	for (var i = 0; i < 10; i++) {
michael@0	25	a = Array(501).join('x') + a;
michael@0	26	b = b + Array(501).join('x');
michael@0	27	}
michael@0	28	test(a, b);