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comparison: js/src/jit-test/tests/debug/Object-getOwnPropertyDescriptor-06.js
js/src/jit-test/tests/debug/Object-getOwnPropertyDescriptor-06.js
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- 6474c204b198
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| -1:000000000000 | 0:a0b298f9d5a5 |
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| 1 // obj.getOwnPropertyDescriptor works when obj is a transparent cross-compartment wrapper. | |
| 2 | |
| 3 var g1 = newGlobal(); | |
| 4 var g2 = newGlobal(); | |
| 5 g1.next = g2; | |
| 6 | |
| 7 // This test is a little hard to follow, especially the !== assertions. | |
| 8 // | |
| 9 // Bottom line: the value of a property of g1 can only be an object in g1's | |
| 10 // compartment, so any Debugger.Objects obtained by calling | |
| 11 // g1obj.getOwnPropertyDescriptor should all have referents in g1's | |
| 12 // compartment. | |
| 13 | |
| 14 var dbg = new Debugger; | |
| 15 var g1obj = dbg.addDebuggee(g1); | |
| 16 var g2obj = dbg.addDebuggee(g2); | |
| 17 var wobj = g1obj.getOwnPropertyDescriptor("next").value; | |
| 18 assertEq(wobj instanceof Debugger.Object, true); | |
| 19 assertEq(wobj !== g2obj, true); // referents are in two different compartments | |
| 20 | |
| 21 g2.x = "ok"; | |
| 22 assertEq(wobj.getOwnPropertyDescriptor("x").value, "ok"); | |
| 23 | |
| 24 g1.g2min = g2.min = g2.Math.min; | |
| 25 g2.eval("Object.defineProperty(this, 'y', {get: min});"); | |
| 26 assertEq(g2.y, Infinity); | |
| 27 var wmin = wobj.getOwnPropertyDescriptor("y").get; | |
| 28 assertEq(wmin !== g2obj.getOwnPropertyDescriptor("min").value, true); // as above | |
| 29 assertEq(wmin, g1obj.getOwnPropertyDescriptor("g2min").value); |
