The Tor Browser / file revision

• file
• revisions
• annotate
• diff
• comparison
• raw

js/src/jit-test/tests/collections/Array-of-surfaces.js@6474c204b198

js/src/jit-test/tests/collections/Array-of-surfaces.js

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

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

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

changeset 0

6474c204b198

permissions

-rw-r--r--

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

 // Check superficial features of Array.of.

 load(libdir + "asserts.js");

 var desc = Object.getOwnPropertyDescriptor(Array, "of");

 assertEq(desc.configurable, true);

 assertEq(desc.enumerable, false);

 assertEq(desc.writable, true);

 assertEq(Array.of.length, 0);

 assertThrowsInstanceOf(() => new Array.of(), TypeError);  // not a constructor

 // When the this-value passed in is not a constructor, the result is an array.

 for (let v of [undefined, null, false, "cow"])

     assertEq(Array.isArray(Array.of.call(v)), true);