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js/src/jit-test/tests/ion/truncateToInt32.js@6474c204b198 (annotated)

js/src/jit-test/tests/ion/truncateToInt32.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	// vim: set ts=8 sts=4 et sw=4 tw=99:
michael@0	2
michael@0	3	function w(y)
michael@0	4	{
michael@0	5	var x = 23.5;
michael@0	6	return x & y;
michael@0	7	}
michael@0	8
michael@0	9	function f(x, y) {
michael@0	10	// Confuse the type analysis to not know the type of x.
michael@0	11	var t = 3.5 + x;
michael@0	12	t + 3.5;
michael@0	13	return x & y;
michael@0	14	}
michael@0	15
michael@0	16	function g_bool(x, y) {
michael@0	17	var t;
michael@0	18	if (x + 0)
michael@0	19	t = true;
michael@0	20	else
michael@0	21	t = false;
michael@0	22	return t & y;
michael@0	23
michael@0	24	}
michael@0	25
michael@0	26	function g_null(x) {
michael@0	27	return null & x;
michael@0	28	}
michael@0	29
michael@0	30	var obj = { valueOf: function () { return 5; } }
michael@0	31
michael@0	32	assertEq(w(93), 21);
michael@0	33	assertEq(g_bool(1, 3), 1);
michael@0	34	assertEq(g_bool(0, 3), 0);
michael@0	35	assertEq(g_null(2), 0);
michael@0	36
michael@0	37	assertEq(f(1, 7), 1);
michael@0	38	assertEq(f(true, 7), 1);
michael@0	39	assertEq(f(false, 7), 0);
michael@0	40	assertEq(f("3", 7), 3);
michael@0	41	assertEq(f(obj, 7), 5);
michael@0	42	assertEq(f(3.5, 7), 3);
michael@0	43	assertEq(f(undefined, 7), 0);
michael@0	44	assertEq(f(null, 7), 0);
michael@0	45	assertEq(f(Math.NaN, 7), 0);
michael@0	46