diff options
Diffstat (limited to 'js/src/jit-test/tests/collections/Map-iterator-add-2.js')
| -rw-r--r-- | js/src/jit-test/tests/collections/Map-iterator-add-2.js | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Map-iterator-add-2.js b/js/src/jit-test/tests/collections/Map-iterator-add-2.js new file mode 100644 index 0000000000..fce3dac6ed --- /dev/null +++ b/js/src/jit-test/tests/collections/Map-iterator-add-2.js @@ -0,0 +1,10 @@ +// A Map iterator does not iterate over new entries added after it throws StopIteration. + +load(libdir + "iteration.js"); + +var map = new Map(); +var iter0 = map[Symbol.iterator](), iter1 = map[Symbol.iterator](); +assertIteratorDone(iter0, undefined); // closes iter0 +map.set(1, 2); +assertIteratorDone(iter0, undefined); // already closed +assertIteratorNext(iter1, [1, 2]); // was not yet closed |