1 files changed, 74 insertions, 0 deletions
diff --git a/framework/src/onos/utils/misc/src/test/java/org/onlab/packet/MplsTest.java b/framework/src/onos/utils/misc/src/test/java/org/onlab/packet/MplsTest.java
new file mode 100644
index 00000000..2ab8ff98
--- /dev/null
+++ b/framework/src/onos/utils/misc/src/test/java/org/onlab/packet/MplsTest.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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 org.onlab.packet;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import java.nio.ByteBuffer;
+import java.util.HashMap;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Unit tests for MPLS class.
+ */
+public class MplsTest {
+
+    private Deserializer<MPLS> deserializer;
+
+    private int label = 1048575;
+    private byte bos = 1;
+    private byte ttl = 20;
+    private byte protocol = MPLS.PROTOCOL_IPV4;
+
+    private byte[] bytes;
+
+    @Before
+    public void setUp() throws Exception {
+        // Replace normal deserializer map with an empty map. This will cause
+        // the DataDeserializer to be used which will silently handle 0-byte input.
+        MPLS.protocolDeserializerMap = new HashMap<>();
+
+        deserializer = MPLS.deserializer();
+
+        ByteBuffer bb = ByteBuffer.allocate(MPLS.HEADER_LENGTH);
+        bb.putInt(((label & 0x000fffff) << 12) | ((bos & 0x1) << 8 | (ttl & 0xff)));
+
+        bytes = bb.array();
+    }
+
+    @Test
+    public void testDeserializeBadInput() throws Exception {
+        PacketTestUtils.testDeserializeBadInput(deserializer);
+    }
+
+    @Test
+    public void testDeserializeTruncated() throws Exception {
+        PacketTestUtils.testDeserializeTruncated(deserializer, bytes);
+    }
+
+    @Test
+    public void testDeserialize() throws Exception {
+        MPLS mpls = deserializer.deserialize(bytes, 0, bytes.length);
+
+        assertEquals(label, mpls.label);
+        assertEquals(bos, mpls.bos);
+        assertEquals(ttl, mpls.ttl);
+        assertEquals(protocol, mpls.protocol);
+    }
+}