js/src/jit-test/tests/debug/Object-defineProperty-09.js@6474c204b198 (annotated)
js/src/jit-test/tests/debug/Object-defineProperty-09.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 | // defineProperty can't re-define non-configurable properties. |
| michael@0 | 2 | // Also: when defineProperty throws, the exception is native to the debugger |
| michael@0 | 3 | // compartment, not a wrapper. |
| michael@0 | 4 | |
| michael@0 | 5 | var g = newGlobal(); |
| michael@0 | 6 | var dbg = new Debugger; |
| michael@0 | 7 | var gw = dbg.addDebuggee(g); |
| michael@0 | 8 | gw.defineProperty("p", {value: 1}); |
| michael@0 | 9 | g.p = 4; |
| michael@0 | 10 | assertEq(g.p, 1); |
| michael@0 | 11 | |
| michael@0 | 12 | var threw; |
| michael@0 | 13 | try { |
| michael@0 | 14 | gw.defineProperty("p", {value: 2}); |
| michael@0 | 15 | threw = false; |
| michael@0 | 16 | } catch (exc) { |
| michael@0 | 17 | threw = true; |
| michael@0 | 18 | assertEq(exc instanceof TypeError, true); |
| michael@0 | 19 | assertEq(typeof exc.message, "string"); |
| michael@0 | 20 | assertEq(typeof exc.stack, "string"); |
| michael@0 | 21 | } |
| michael@0 | 22 | assertEq(threw, true); |
| michael@0 | 23 | |
| michael@0 | 24 | assertEq(g.p, 1); |
