diff options
Diffstat (limited to 'js/src/jit-test/tests/debug/Object-getOwnPropertyDescriptor-06.js')
-rw-r--r-- | js/src/jit-test/tests/debug/Object-getOwnPropertyDescriptor-06.js | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Object-getOwnPropertyDescriptor-06.js b/js/src/jit-test/tests/debug/Object-getOwnPropertyDescriptor-06.js new file mode 100644 index 0000000000..b0d9facb7e --- /dev/null +++ b/js/src/jit-test/tests/debug/Object-getOwnPropertyDescriptor-06.js @@ -0,0 +1,29 @@ +// obj.getOwnPropertyDescriptor works when obj is a transparent cross-compartment wrapper. + +var g1 = newGlobal({newCompartment: true}); +var g2 = newGlobal({newCompartment: true}); +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); |