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 | // Removing a Set entry already visited by an iterator does not cause any |
michael@0 | 2 | // entries to be skipped. |
michael@0 | 3 | |
michael@0 | 4 | var str = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'; |
michael@0 | 5 | var set = Set(str); |
michael@0 | 6 | |
michael@0 | 7 | var log = ''; |
michael@0 | 8 | var i = 0; |
michael@0 | 9 | for (var x of set) { |
michael@0 | 10 | log += x; |
michael@0 | 11 | if (i++ % 5 === 0) { |
michael@0 | 12 | // Delete all entries preceding this one. |
michael@0 | 13 | for (let y of set) { |
michael@0 | 14 | if (y === x) |
michael@0 | 15 | break; |
michael@0 | 16 | set.delete(y); |
michael@0 | 17 | } |
michael@0 | 18 | } |
michael@0 | 19 | } |
michael@0 | 20 | assertEq(log, str); |
michael@0 | 21 | assertEq(set.size, 1); // Elements 0 to 24 are removed, leaving only 25 (Z). |
michael@0 | 22 | assertEq(set.has('Z'), true); |