var g = newGlobal({newCompartment: true}); var dbg = Debugger(g); var gdbg = dbg.addDebuggee(g); assertEq(gdbg.getProperty("print").return.isSameNativeWithJitInfo(print), true); assertEq(gdbg.getProperty("print").return.isSameNativeWithJitInfo(newGlobal), false); // FakeDOMObject's accessor shares the single native functions, with // different JSJitInfo for each. gdbg.executeInGlobal(` var fun1 = Object.getOwnPropertyDescriptor(FakeDOMObject.prototype, "x").get; var fun2 = Object.getOwnPropertyDescriptor(FakeDOMObject.prototype, "slot").get; `); var g_fun1 = gdbg.executeInGlobal("fun1").return; var g_fun2 = gdbg.executeInGlobal("fun2").return; var fun1 = Object.getOwnPropertyDescriptor(FakeDOMObject.prototype, "x").get; var fun2 = Object.getOwnPropertyDescriptor(FakeDOMObject.prototype, "slot").get; // isSameNative doesn't distinguish between fun1 and fun2. assertEq(g_fun1.isSameNative(fun1), true); assertEq(g_fun1.isSameNative(fun2), true); assertEq(g_fun2.isSameNative(fun1), true); assertEq(g_fun2.isSameNative(fun2), true); // isSameNativeWithJitInfo can distinguish between fun1 and fun2. assertEq(g_fun1.isSameNativeWithJitInfo(fun1), true); assertEq(g_fun1.isSameNativeWithJitInfo(fun2), false); assertEq(g_fun2.isSameNativeWithJitInfo(fun1), false); assertEq(g_fun2.isSameNativeWithJitInfo(fun2), true);