client := NewClient(cli)
	defer client.Close()

	// Map
	arg := 7
	replyMap := map[int]int{}
	err := client.Call("BuiltinTypes.Map", arg, &replyMap)
	if err != nil {
		t.Errorf("Map: expected no error but got string %q", err.Error())
	}
	if replyMap[arg] != arg {
		t.Errorf("Map: expected %d got %d", arg, replyMap[arg])
	}

	// Slice
	replySlice := []int{}

	}
	defer client.Close()

	// Map
	args := &Args{7, 8}
	replyMap := map[int]int{}
	err = client.Call("BuiltinTypes.Map", args, &replyMap)
	if err != nil {
		t.Errorf("Map: expected no error but got string %q", err.Error())
	}
	if replyMap[args.A] != args.B {
		t.Errorf("Map: expected %d got %d", args.B, replyMap[args.A])
	}

	// Slice
	args = &Args{7, 8}
	replySlice := []int{}