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js/src/jit-test/tests/proxy/testDirectProxyDefineProperty2.js@6474c204b198 (annotated)

js/src/jit-test/tests/proxy/testDirectProxyDefineProperty2.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	/*
michael@0	2	* Call the trap with the handler as the this value, the target as the first
michael@0	3	* argument, the name of the property as the second argument, and the descriptor
michael@0	4	* as the third argument.
michael@0	5	*/
michael@0	6	var target = {};
michael@0	7	var called = false;
michael@0	8	var handler = {
michael@0	9	defineProperty: function (target1, name, desc1) {
michael@0	10	assertEq(this, handler);
michael@0	11	assertEq(target1, target);
michael@0	12	assertEq(name, 'foo');
michael@0	13	assertEq(desc1 == desc, false);
michael@0	14	assertEq(desc1.value, 'bar');
michael@0	15	assertEq(desc1.writable, true);
michael@0	16	assertEq(desc1.enumerable, false);
michael@0	17	assertEq(desc1.configurable, true);
michael@0	18	called = true;
michael@0	19	}
michael@0	20	}
michael@0	21	var desc = {
michael@0	22	value: 'bar',
michael@0	23	writable: true,
michael@0	24	enumerable: false,
michael@0	25	configurable: true
michael@0	26	};
michael@0	27
michael@0	28	var p = new Proxy(target, handler);
michael@0	29	Object.defineProperty(p, 'foo', desc);
michael@0	30	assertEq(called, true);
michael@0	31	assertEq(Object.isExtensible(target), true);
michael@0	32	assertEq(Object.isExtensible(p), true);
michael@0	33	Object.preventExtensions(target);
michael@0	34	assertEq(Object.isExtensible(target), false);
michael@0	35	assertEq(Object.isExtensible(p), false);