michael@0: // Test the functionDisplayName of SavedFrame instances.
michael@0: 
michael@0: function uno() { return dos(); }
michael@0: const dos = () => tres.quattro();
michael@0: const tres = {
michael@0:   quattro: () => saveStack()
michael@0: };
michael@0: 
michael@0: const frame = uno();
michael@0: 
michael@0: assertEq(frame.functionDisplayName, "tres.quattro");
michael@0: assertEq(frame.parent.functionDisplayName, "dos");
michael@0: assertEq(frame.parent.parent.functionDisplayName, "uno");
michael@0: assertEq(frame.parent.parent.parent.functionDisplayName, null);
michael@0: 
michael@0: assertEq(frame.parent.parent.parent.parent, null);
michael@0: