michael@0: // |reftest| skip-if(!xulRuntime.shell)
michael@0: // Any copyright is dedicated to the Public Domain.
michael@0: // http://creativecommons.org/licenses/publicdomain/
michael@0: // Contributor: Blake Kaplan
michael@0: 
michael@0: function expect(actual, arg) {
michael@0:     reportCompare(expect.expected, actual, arg);
michael@0: }
michael@0: 
michael@0: var window = { set x(y) { expect(this, y) }, y: 4 };
michael@0: expect.expected = window;
michael@0: window.x = "setting through a setter directly";
michael@0: window.y = 5;
michael@0: reportCompare(5, window.y, "setting properties works");
michael@0: var easy = { easy: 'yes', __proto__: window }
michael@0: expect.expected = easy;
michael@0: easy.x = "setting through a setter all-native on prototype";
michael@0: easy.y = 6;
michael@0: reportCompare(5, window.y, "window.y remains as it was");
michael@0: reportCompare(6, easy.y, "shadowing works properly");
michael@0: 
michael@0: var sandbox = evalcx('');
michael@0: sandbox.window = window;
michael@0: sandbox.print = print;
michael@0: sandbox.expect = expect;
michael@0: var hard = evalcx('Object.create(window)', sandbox);
michael@0: expect.expected = hard;
michael@0: hard.x = "a setter through proxy -> native";
michael@0: hard.y = 6;
michael@0: reportCompare(5, window.y, "window.y remains as it was through a proxy");
michael@0: reportCompare(6, hard.y, "shadowing works on proxies");
michael@0: 
michael@0: hard.__proto__ = { 'passed': true }
michael@0: reportCompare(true, hard.passed, "can set proxy.__proto__ through a native");
michael@0: 
michael@0: var inverse = evalcx('({ set x(y) { expect(this, y); }, y: 4 })', sandbox);
michael@0: expect.expected = inverse;
michael@0: inverse.x = "setting through a proxy directly";
michael@0: inverse.y = 5;
michael@0: reportCompare(5, inverse.y, "setting properties works on proxies");
michael@0: 
michael@0: var inversehard = Object.create(inverse);
michael@0: expect.expected = inversehard;
michael@0: inversehard.x = "setting through a setter with a proxy on the proto chain";
michael@0: inversehard.y = 6;
michael@0: reportCompare(5, inverse.y, "inverse.y remains as it was");
michael@0: reportCompare(6, inversehard.y, "shadowing works native -> proxy");
michael@0: 
michael@0: inversehard.__proto__ = { 'passed': true }
michael@0: reportCompare(true, inversehard.passed, "can set native.__proto__ through a proxy");