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js/src/jit-test/tests/basic/testOverwrittenArgumentsWithUndefined.js@6474c204b198 (annotated)

js/src/jit-test/tests/basic/testOverwrittenArgumentsWithUndefined.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	function f() {
michael@0	2	var a = arguments;
michael@0	3	eval("assertEq(arguments[0], 42)");
michael@0	4	eval("assertEq(arguments, a)");
michael@0	5	arguments = undefined;
michael@0	6	eval("assertEq(arguments, undefined)");
michael@0	7	arguments = a;
michael@0	8	eval("assertEq(arguments[0], 42)");
michael@0	9	eval("assertEq(arguments, a)");
michael@0	10	}
michael@0	11	f(42);
michael@0	12
michael@0	13	function f(z) {
michael@0	14	var a = arguments;
michael@0	15	eval("assertEq(arguments[0], 42)");
michael@0	16	eval("assertEq(arguments, a)");
michael@0	17	arguments = undefined;
michael@0	18	eval("assertEq(arguments, undefined)");
michael@0	19	z = 17;
michael@0	20	eval("assertEq(a[0], 17)");
michael@0	21	a[0] = 'ponies';
michael@0	22	eval("assertEq(z, 'ponies')");
michael@0	23	}
michael@0	24	f(42);