Adding tests for meter service.

Change-Id: Ic220fdaa89b421661019f1a6ef23c7b02eef127c
diff --git a/core/api/src/test/java/org/onosproject/net/meter/DefaultMeterTest.java b/core/api/src/test/java/org/onosproject/net/meter/DefaultMeterTest.java
new file mode 100644
index 0000000..b39d2ef
--- /dev/null
+++ b/core/api/src/test/java/org/onosproject/net/meter/DefaultMeterTest.java
@@ -0,0 +1,99 @@
+/*
+ * 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.onosproject.net.meter;
+
+import com.google.common.testing.EqualsTester;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.Collections;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+import static org.onosproject.net.NetTestTools.APP_ID;
+import static org.onosproject.net.NetTestTools.did;
+
+
+/**
+ * DefaultMeter Tests.
+ */
+public class DefaultMeterTest {
+
+    private Meter m1;
+    private Meter sameAsm1;
+    private Meter m2;
+
+    @Before
+    public void setup() {
+
+        Band band = DefaultBand.builder()
+                .ofType(Band.Type.DROP)
+                .withRate(500)
+                .build();
+
+        m1 = DefaultMeter.builder()
+                .forDevice(did("1"))
+                .fromApp(APP_ID)
+                .withId(MeterId.meterId(1))
+                .withUnit(Meter.Unit.KB_PER_SEC)
+                .withBands(Collections.singletonList(band))
+                .build();
+
+        sameAsm1 = DefaultMeter.builder()
+                .forDevice(did("1"))
+                .fromApp(APP_ID)
+                .withId(MeterId.meterId(1))
+                .withUnit(Meter.Unit.KB_PER_SEC)
+                .withBands(Collections.singletonList(band))
+                .build();
+
+        m2 = DefaultMeter.builder()
+                .forDevice(did("2"))
+                .fromApp(APP_ID)
+                .withId(MeterId.meterId(2))
+                .withUnit(Meter.Unit.KB_PER_SEC)
+                .withBands(Collections.singletonList(band))
+                .build();
+
+    }
+
+    @Test
+    public void testEquality() {
+        new EqualsTester()
+                .addEqualityGroup(m1, sameAsm1)
+                .addEqualityGroup(m2).testEquals();
+    }
+
+    @Test
+    public void testConstruction() {
+        DefaultMeter m = (DefaultMeter) m1;
+
+        assertThat(m.deviceId(), is(did("1")));
+        assertThat(m.appId(), is(APP_ID));
+        assertThat(m.id(), is(MeterId.meterId(1)));
+        assertThat(m.isBurst(), is(false));
+
+        assertThat(m.life(), is(0L));
+        assertThat(m.bytesSeen(), is(0L));
+        assertThat(m.packetsSeen(), is(0L));
+        assertThat(m.referenceCount(), is(0L));
+
+    }
+
+
+
+
+}