ONOS checkin based on commit tag e796610b1f721d02f9b0e213cf6f7790c10ecd60

Change-Id: Ife8810491034fe7becdba75dda20de4267bd15cd

1 files changed, 86 insertions, 0 deletions

diff --git a/framework/src/onos/utils/misc/src/test/java/org/onlab/util/CounterTest.java b/framework/src/onos/utils/misc/src/test/java/org/onlab/util/CounterTest.java
new file mode 100644
index 00000000..d30e1b59
--- /dev/null
+++ b/framework/src/onos/utils/misc/src/test/java/org/onlab/util/CounterTest.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2014 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.util;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.onlab.junit.TestTools.delay;
+
+/**
+ * Tests of the Counter utility.
+ */
+public class CounterTest {
+
+    @Test
+    public void basics() {
+        Counter tt = new Counter();
+        assertEquals("incorrect number of bytes", 0L, tt.total());
+        assertEquals("incorrect throughput", 0.0, tt.throughput(), 0.0001);
+        tt.add(1234567890L);
+        assertEquals("incorrect number of bytes", 1234567890L, tt.total());
+        assertTrue("incorrect throughput", 1234567890.0 < tt.throughput());
+        delay(1500);
+        tt.add(1L);
+        assertEquals("incorrect number of bytes", 1234567891L, tt.total());
+        assertTrue("incorrect throughput", 1234567891.0 > tt.throughput());
+        tt.reset();
+        assertEquals("incorrect number of bytes", 0L, tt.total());
+        assertEquals("incorrect throughput", 0.0, tt.throughput(), 0.0001);
+    }
+
+    @Test
+    public void freeze() {
+        Counter tt = new Counter();
+        tt.add(123L);
+        assertEquals("incorrect number of bytes", 123L, tt.total());
+        delay(1000);
+        tt.freeze();
+        tt.add(123L);
+        assertEquals("incorrect number of bytes", 123L, tt.total());
+
+        double d = tt.duration();
+        double t = tt.throughput();
+        assertEquals("incorrect duration", d, tt.duration(), 0.0001);
+        assertEquals("incorrect throughput", t, tt.throughput(), 0.0001);
+        assertEquals("incorrect number of bytes", 123L, tt.total());
+    }
+
+    @Test
+    public void reset() {
+        Counter tt = new Counter();
+        tt.add(123L);
+        assertEquals("incorrect number of bytes", 123L, tt.total());
+
+        double d = tt.duration();
+        double t = tt.throughput();
+        assertEquals("incorrect duration", d, tt.duration(), 0.0001);
+        assertEquals("incorrect throughput", t, tt.throughput(), 0.0001);
+        assertEquals("incorrect number of bytes", 123L, tt.total());
+
+        tt.reset();
+        assertEquals("incorrect throughput", 0.0, tt.throughput(), 0.0001);
+        assertEquals("incorrect number of bytes", 0, tt.total());
+    }
+
+    @Test
+    public void syntheticTracker() {
+        Counter tt = new Counter(5000, 1000, 6000);
+        assertEquals("incorrect duration", 1, tt.duration(), 0.1);
+        assertEquals("incorrect throughput", 1000, tt.throughput(), 1.0);
+    }
+}