js/src/jit-test/tests/debug/Object-preventExtensions-01.js@6474c204b198
js/src/jit-test/tests/debug/Object-preventExtensions-01.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.
1 // Basic preventExtensions test.
3 var g = newGlobal();
4 var obj = g.eval("({x: 1})");
5 assertEq(g.Object.isExtensible(obj), true);
7 var dbg = new Debugger;
8 var gw = dbg.addDebuggee(g);
9 var objw = gw.makeDebuggeeValue(obj);
10 assertEq(objw.isExtensible(), true);
12 assertEq(objw.preventExtensions(), undefined);
13 assertEq(g.Object.isExtensible(obj), false);
14 assertEq(objw.isExtensible(), false);
16 // Calling preventExtensions again has no effect.
17 assertEq(objw.preventExtensions(), undefined);
