diff options
Diffstat (limited to 'js/src/jit-test/tests/collections/Map-iterator-remove-6.js')
-rw-r--r-- | js/src/jit-test/tests/collections/Map-iterator-remove-6.js | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Map-iterator-remove-6.js b/js/src/jit-test/tests/collections/Map-iterator-remove-6.js new file mode 100644 index 0000000000..9fc6f1e56e --- /dev/null +++ b/js/src/jit-test/tests/collections/Map-iterator-remove-6.js @@ -0,0 +1,21 @@ +// Removing many Map entries does not cause a live iterator to skip any of the +// entries that were not removed. (Compacting a Map must not be observable to +// script.) + +load(libdir + "iteration.js"); + +var map = new Map(); +for (var i = 0; i < 32; i++) + map.set(i, i); +var iter = map[Symbol.iterator](); +assertIteratorNext(iter, [0, 0]); +for (var i = 0; i < 30; i++) + map.delete(i); +assertEq(map.size, 2); +for (var i = 32; i < 100; i++) + map.set(i, i); // eventually triggers compaction + +for (var i = 30; i < 100; i++) + assertIteratorNext(iter, [i, i]); + +assertIteratorDone(iter, undefined); |