The Tor Browser: js/src/jit-test/tests/collections/Array-of-length-setter-2.js@6474c204b198

js/src/jit-test/tests/collections/Array-of-length-setter-2.js@6474c204b198

Wed, 31 Dec 2014 06:09:35 +0100

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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);