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 | var a = [1, 2, 3, 4]; |
michael@0 | 2 | var count = 0; |
michael@0 | 3 | |
michael@0 | 4 | function f(arr, i) { |
michael@0 | 5 | arr[2] = i; |
michael@0 | 6 | } |
michael@0 | 7 | |
michael@0 | 8 | for (var i=0; i<80; i++) { |
michael@0 | 9 | f(a, i); |
michael@0 | 10 | assertEq(a[2], i); |
michael@0 | 11 | } |
michael@0 | 12 | |
michael@0 | 13 | delete a[2]; |
michael@0 | 14 | f(a, 50); |
michael@0 | 15 | assertEq(a[2], 50); |
michael@0 | 16 | |
michael@0 | 17 | Object.defineProperty(Object.prototype, "2", { |
michael@0 | 18 | set: function() { count++; } |
michael@0 | 19 | }); |
michael@0 | 20 | delete a[2]; |
michael@0 | 21 | |
michael@0 | 22 | f(a, 100); |
michael@0 | 23 | f(a, 100); |
michael@0 | 24 | |
michael@0 | 25 | assertEq(a[2], undefined); |
michael@0 | 26 | assertEq(count, 2); |