diff options
Diffstat (limited to 'js/src/jit-test/tests/collections/Map-delete.js')
-rw-r--r-- | js/src/jit-test/tests/collections/Map-delete.js | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Map-delete.js b/js/src/jit-test/tests/collections/Map-delete.js new file mode 100644 index 0000000000..d200eb873f --- /dev/null +++ b/js/src/jit-test/tests/collections/Map-delete.js @@ -0,0 +1,18 @@ +// Map.prototype.delete works whether the key is present or not. + +var m = new Map; +var key = {}; + +// when the map is new +assertEq(m.delete(key), false); +assertEq(m.has(key), false); + +// when the key is present +assertEq(m.set(key, 'x'), m); +assertEq(m.delete(key), true); +assertEq(m.has(key), false); +assertEq(m.get(key), undefined); + +// when the key has already been deleted +assertEq(m.delete(key), false); +assertEq(m.has(key), false); |