js/src/jit-test/tests/debug/Object-defineProperty-12.js@6474c204b198 (annotated)
js/src/jit-test/tests/debug/Object-defineProperty-12.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 | // obj.defineProperty redefining an existing property leaves unspecified attributes unchanged. |
| michael@0 | 2 | |
| michael@0 | 3 | var g = newGlobal(); |
| michael@0 | 4 | g.p = 1; |
| michael@0 | 5 | var dbg = new Debugger; |
| michael@0 | 6 | var gw = dbg.addDebuggee(g); |
| michael@0 | 7 | |
| michael@0 | 8 | gw.defineProperty("p", {value: 2}); |
| michael@0 | 9 | assertEq(g.p, 2); |
| michael@0 | 10 | |
| michael@0 | 11 | var desc = Object.getOwnPropertyDescriptor(g, "p"); |
| michael@0 | 12 | assertEq(desc.configurable, true); |
| michael@0 | 13 | assertEq(desc.enumerable, true); |
| michael@0 | 14 | assertEq(desc.writable, true); |
| michael@0 | 15 | assertEq(desc.value, 2); |
| michael@0 | 16 | |
| michael@0 | 17 | g.p = 3; |
| michael@0 | 18 | assertEq(g.p, 3); |
