diff options
Diffstat (limited to 'js/src/jit-test/tests/collections/Map-constructor-3.js')
-rw-r--r-- | js/src/jit-test/tests/collections/Map-constructor-3.js | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Map-constructor-3.js b/js/src/jit-test/tests/collections/Map-constructor-3.js new file mode 100644 index 0000000000..601a76188e --- /dev/null +++ b/js/src/jit-test/tests/collections/Map-constructor-3.js @@ -0,0 +1,9 @@ +// Map can take an argument that is an array of singleton arrays. + +var arr = [["a"], ["b"], ["c"]]; +var m = new Map(arr); +assertEq(m.size, 3); +for (var [k, _] of arr) { + assertEq(m.has(k), true); + assertEq(m.get(k), undefined); +} |