js/src/jit-test/tests/collections/Map-iterator-remove-5.js@6474c204b198 (annotated)
js/src/jit-test/tests/collections/Map-iterator-remove-5.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 | // Removing a Map entry already visited by an iterator does not cause any |
| michael@0 | 2 | // entries to be skipped. |
| michael@0 | 3 | |
| michael@0 | 4 | var map = Map(); |
| michael@0 | 5 | for (var i = 0; i < 20; i++) |
| michael@0 | 6 | map.set(String.fromCharCode('A'.charCodeAt(0) + i), i); |
| michael@0 | 7 | |
| michael@0 | 8 | var log = ''; |
| michael@0 | 9 | for (var [k, v] of map) { |
| michael@0 | 10 | log += k; |
| michael@0 | 11 | if (v % 5 === 4) { |
| michael@0 | 12 | // Delete all entries preceding this one. |
| michael@0 | 13 | for (let [k1, v1] of map) { |
| michael@0 | 14 | if (k1 === k) |
| michael@0 | 15 | break; |
| michael@0 | 16 | map.delete(k1); |
| michael@0 | 17 | } |
| michael@0 | 18 | } |
| michael@0 | 19 | } |
| michael@0 | 20 | assertEq(log, 'ABCDEFGHIJKLMNOPQRST'); |
| michael@0 | 21 | assertEq(map.size, 1); // Only the last entry remains. |
| michael@0 | 22 | assertEq(map.get('T'), 19); |
