diff options
Diffstat (limited to 'js/src/jit-test/tests/collections/Map-constructor-1.js')
-rw-r--r-- | js/src/jit-test/tests/collections/Map-constructor-1.js | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Map-constructor-1.js b/js/src/jit-test/tests/collections/Map-constructor-1.js new file mode 100644 index 0000000000..b1a55967dc --- /dev/null +++ b/js/src/jit-test/tests/collections/Map-constructor-1.js @@ -0,0 +1,14 @@ +// The Map constructor creates an empty Map by default. + +load(libdir + "asserts.js"); + +var m = new Map(); +assertEq(m.size, 0); +m = new Map(undefined); +assertEq(m.size, 0); +m = new Map(null); +assertEq(m.size, 0); + +assertThrowsInstanceOf(() => Map(), TypeError); +assertThrowsInstanceOf(() => Map(undefined), TypeError); +assertThrowsInstanceOf(() => Map(null), TypeError); |