Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
michael@0 | 1 | load(libdir + "asserts.js"); |
michael@0 | 2 | |
michael@0 | 3 | /* |
michael@0 | 4 | * Throw a TypeError if both the current descriptor and the descriptor returned |
michael@0 | 5 | * by the trap are accessor descriptors, the current descriptor is |
michael@0 | 6 | * non-configurable, and the descriptor returned by the trap has a different |
michael@0 | 7 | * setter. |
michael@0 | 8 | */ |
michael@0 | 9 | var target = {}; |
michael@0 | 10 | Object.defineProperty(target, 'foo', { |
michael@0 | 11 | set: function (value) {i |
michael@0 | 12 | target.foo = 'bar'; |
michael@0 | 13 | }, |
michael@0 | 14 | configurable: false |
michael@0 | 15 | }); |
michael@0 | 16 | var caught = false; |
michael@0 | 17 | assertThrowsInstanceOf(function () { |
michael@0 | 18 | Object.getOwnPropertyDescriptor(new Proxy(target, { |
michael@0 | 19 | getOwnPropertyDescriptor: function (target, name) { |
michael@0 | 20 | return { |
michael@0 | 21 | set: function (value) { |
michael@0 | 22 | target.foo = 'baz'; |
michael@0 | 23 | }, |
michael@0 | 24 | configurable: false |
michael@0 | 25 | }; |
michael@0 | 26 | } |
michael@0 | 27 | }), 'foo'); |
michael@0 | 28 | }, TypeError); |