Some basics seem to work now like storing messages, addresses, inventory vectors etc.

domain/src/test/java/ch/dissem/bitmessage/utils/StringsTest.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2015 Christian Basler
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package ch.dissem.bitmessage.utils;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class StringsTest {
+    @Test
+    public void ensureJoinWorksWithLongArray() {
+        long[] test = {1L, 2L};
+        assertEquals("1, 2", Strings.join(test).toString());
+    }
+
+    @Test
+    public void testHexString() {
+        assertEquals("0x48656c6c6f21", Strings.hex("Hello!".getBytes()));
+    }
+}