1 files changed, 46 insertions, 0 deletions
diff --git a/swarm/network/simulation/service_test.go b/swarm/network/simulation/service_test.go
new file mode 100644
index 000000000..23b0d86f2
--- /dev/null
+++ b/swarm/network/simulation/service_test.go
@@ -0,0 +1,46 @@
+// Copyright 2018 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package simulation
+
+import (
+	"testing"
+)
+
+func TestService(t *testing.T) {
+	sim := New(noopServiceFuncMap)
+	defer sim.Close()
+
+	id, err := sim.AddNode()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	_, ok := sim.Service("noop", id).(*noopService)
+	if !ok {
+		t.Fatalf("service is not of %T type", &noopService{})
+	}
+
+	_, ok = sim.RandomService("noop").(*noopService)
+	if !ok {
+		t.Fatalf("service is not of %T type", &noopService{})
+	}
+
+	_, ok = sim.Services("noop")[id].(*noopService)
+	if !ok {
+		t.Fatalf("service is not of %T type", &noopService{})
+	}
+}