js/src/jit-test/tests/collections/Array-of-cross-compartment.js@6474c204b198 (annotated)
js/src/jit-test/tests/collections/Array-of-cross-compartment.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.
| michael@0 | 1 | // Array.of returns an object in the target compartment, not the caller's compartment. |
| michael@0 | 2 | // This rules out implementations along the lines of (...args) => args. |
| michael@0 | 3 | |
| michael@0 | 4 | var g = newGlobal(); |
| michael@0 | 5 | var ga = g.Array.of(1, 2, 3); |
| michael@0 | 6 | assertEq(ga instanceof g.Array, true); |
| michael@0 | 7 | |
| michael@0 | 8 | g.Array.of = Array.of; |
| michael@0 | 9 | var a = g.Array.of(1, 2, 3); // this-value is a wrapper of g.Array, which IsConstructor, so we call it |
| michael@0 | 10 | assertEq(ga instanceof g.Array, true); // it produces a g.Array instance |
