The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/collections/Array-of-length-setter-2.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,13 @@
     1.4 +// Array.of does a strict assignment to the new object's .length.
     1.5 +// The assignment is strict even if the code we're calling from is not strict.
     1.6 +
     1.7 +load(libdir + "asserts.js");
     1.8 +
     1.9 +function Empty() {}
    1.10 +Empty.of = Array.of;
    1.11 +Object.defineProperty(Empty.prototype, "length", {get: () => 0});
    1.12 +
    1.13 +var nothing = new Empty;
    1.14 +nothing.length = 2;  // no exception; this is not a strict mode assignment
    1.15 +
    1.16 +assertThrowsInstanceOf(() => Empty.of(), TypeError);