| // obj.getOwnPropertyDescriptor works when obj is a transparent cross-compartment wrapper. |
| |
| var g1 = newGlobal(); |
| var g2 = newGlobal(); |
| g1.next = g2; |
| |
| // This test is a little hard to follow, especially the !== assertions. |
| // |
| // Bottom line: the value of a property of g1 can only be an object in g1's |
| // compartment, so any Debugger.Objects obtained by calling |
| // g1obj.getOwnPropertyDescriptor should all have referents in g1's |
| // compartment. |
| |
| var dbg = new Debugger; |
| var g1obj = dbg.addDebuggee(g1); |
| var g2obj = dbg.addDebuggee(g2); |
| var wobj = g1obj.getOwnPropertyDescriptor("next").value; |
| assertEq(wobj instanceof Debugger.Object, true); |
| assertEq(wobj !== g2obj, true); // referents are in two different compartments |
| |
| g2.x = "ok"; |
| assertEq(wobj.getOwnPropertyDescriptor("x").value, "ok"); |
| |
| g1.g2min = g2.min = g2.Math.min; |
| g2.eval("Object.defineProperty(this, 'y', {get: min});"); |
| assertEq(g2.y, Infinity); |
| var wmin = wobj.getOwnPropertyDescriptor("y").get; |
| assertEq(wmin !== g2obj.getOwnPropertyDescriptor("min").value, true); // as above |
| assertEq(wmin, g1obj.getOwnPropertyDescriptor("g2min").value); |
