diff options
Diffstat (limited to 'js/src/jit-test/tests/collections/Map-iterator-pairs-3.js')
-rw-r--r-- | js/src/jit-test/tests/collections/Map-iterator-pairs-3.js | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Map-iterator-pairs-3.js b/js/src/jit-test/tests/collections/Map-iterator-pairs-3.js new file mode 100644 index 0000000000..738215b791 --- /dev/null +++ b/js/src/jit-test/tests/collections/Map-iterator-pairs-3.js @@ -0,0 +1,13 @@ +// Modifying an array returned by mapiter.next() does not modify the Map. + +load(libdir + "iteration.js"); + +var map = new Map([['a', 1]]); +var res = map[Symbol.iterator]().next(); +assertIteratorResult(res, ['a', 1], false); +res.value[0] = 'b'; +res.value[1] = 2; +assertIteratorResult(res, ['b', 2], false); +assertEq(map.get('a'), 1); +assertEq(map.has('b'), false); +assertEq(map.size, 1); |