js/src/jit-test/tests/collections/Array-of-length-setter-2.js@7e26c7da4463
js/src/jit-test/tests/collections/Array-of-length-setter-2.js
Wed, 31 Dec 2014 06:55:50 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:55:50 +0100
- changeset 2
- 7e26c7da4463
- permissions
- -rw-r--r--
Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2
1 // Array.of does a strict assignment to the new object's .length.
2 // The assignment is strict even if the code we're calling from is not strict.
4 load(libdir + "asserts.js");
6 function Empty() {}
7 Empty.of = Array.of;
8 Object.defineProperty(Empty.prototype, "length", {get: () => 0});
10 var nothing = new Empty;
11 nothing.length = 2; // no exception; this is not a strict mode assignment
13 assertThrowsInstanceOf(() => Empty.of(), TypeError);
