diff options
Diffstat (limited to 'js/src/jit-test/tests/collections/Map-iterator-remove-2.js')
-rw-r--r-- | js/src/jit-test/tests/collections/Map-iterator-remove-2.js | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Map-iterator-remove-2.js b/js/src/jit-test/tests/collections/Map-iterator-remove-2.js new file mode 100644 index 0000000000..d49efa1c88 --- /dev/null +++ b/js/src/jit-test/tests/collections/Map-iterator-remove-2.js @@ -0,0 +1,13 @@ +// A map iterator can cope with removing the next entry. + +load(libdir + "iteration.js"); + +var map = new Map([['a', 0], ['b', 1], ['c', 2], ['d', 3]]); +var iter = map[Symbol.iterator](); +var log = ''; +for (let [k, v] of iter) { + log += k + v; + if (k === 'b') + map.delete('c'); +} +assertEq(log, 'a0b1d3'); |