From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- .../debug/Object-getOwnPropertyDescriptor-06.js | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 js/src/jit-test/tests/debug/Object-getOwnPropertyDescriptor-06.js (limited to 'js/src/jit-test/tests/debug/Object-getOwnPropertyDescriptor-06.js') 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 000000000..98200c880 --- /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(); +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); -- cgit v1.2.3