diff options
Diffstat (limited to 'js/src/jit-test/tests/collections/Map-iterator-remove-3.js')
-rw-r--r-- | js/src/jit-test/tests/collections/Map-iterator-remove-3.js | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Map-iterator-remove-3.js b/js/src/jit-test/tests/collections/Map-iterator-remove-3.js new file mode 100644 index 0000000000..0b17dcfec8 --- /dev/null +++ b/js/src/jit-test/tests/collections/Map-iterator-remove-3.js @@ -0,0 +1,13 @@ +// A map iterator can cope with removing the next entry, then the current entry. + +load(libdir + "asserts.js"); +load(libdir + "iteration.js"); + +var map = new Map([['a', 0], ['b', 1], ['c', 2], ['d', 3]]); +var iter = map[Symbol.iterator](); +assertIteratorNext(iter, ['a', 0]); +assertIteratorNext(iter, ['b', 1]); +map.delete('c'); +map.delete('b'); +assertIteratorNext(iter, ['d', 3]); +assertIteratorDone(iter, undefined); |