Move yang-common(-netty)

[yangtools.git] / common / yang-common / src / test / java / org / opendaylight / yangtools / yang / common / EmptyTest.java

diff --git a/common/yang-common/src/test/java/org/opendaylight/yangtools/yang/common/EmptyTest.java b/common/yang-common/src/test/java/org/opendaylight/yangtools/yang/common/EmptyTest.java
new file mode 100644 (file)
index 0000000..4df61f9
--- /dev/null
+++ b/common/yang-common/src/test/java/org/opendaylight/yangtools/yang/common/EmptyTest.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017 Pantheon Technologies s.r.o. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.yang.common;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertSame;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import org.junit.Test;
+
+public class EmptyTest {
+
+    @Test
+    public void testInstanceNotNull() {
+        assertNotNull(Empty.getInstance());
+    }
+
+    @Test
+    public void testToString() {
+        assertEquals("empty", Empty.getInstance().toString());
+    }
+
+    @Test
+    public void testSerialization() throws IOException, ClassNotFoundException {
+        final ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        try (ObjectOutputStream oos = new ObjectOutputStream(bos)) {
+            oos.writeObject(Empty.getInstance());
+        }
+
+        final Object read;
+        try (ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(bos.toByteArray()))) {
+            read = ois.readObject();
+        }
+
+        assertSame(Empty.getInstance(), read);
+    }
+}