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authorJim Hahn <jrh3@att.com>2018-06-15 09:10:00 -0400
committerJim Hahn <jrh3@att.com>2018-06-19 12:35:36 -0400
commitb4e7fb0364672f73b613b3d04eba9535e97d7c65 (patch)
treebf786db45f6ba91bedbec077fb685bbac04c6e79 /utils-test/src/test
parent5c04cdde760ff9f92235f29f8892977853bce864 (diff)
Add CurrentTime utilities
Add some comments. Update license text. Change-Id: I4cee208378c44d9730274aee337feb95f9026add Issue-ID: POLICY-908 Signed-off-by: Jim Hahn <jrh3@att.com>
Diffstat (limited to 'utils-test/src/test')
-rw-r--r--utils-test/src/test/java/org/onap/policy/common/utils/time/TestTimeMultiTest.java116
-rw-r--r--utils-test/src/test/java/org/onap/policy/common/utils/time/TestTimeTest.java66
2 files changed, 182 insertions, 0 deletions
diff --git a/utils-test/src/test/java/org/onap/policy/common/utils/time/TestTimeMultiTest.java b/utils-test/src/test/java/org/onap/policy/common/utils/time/TestTimeMultiTest.java
new file mode 100644
index 00000000..206ab5f1
--- /dev/null
+++ b/utils-test/src/test/java/org/onap/policy/common/utils/time/TestTimeMultiTest.java
@@ -0,0 +1,116 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Common Utils-Test
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.utils.time;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.Semaphore;
+import java.util.concurrent.TimeUnit;
+import org.junit.Test;
+
+/**
+ *
+ */
+public class TestTimeMultiTest {
+
+ private static final int NTHREADS = 10;
+ private static final int NTIMES = 100;
+ private static final long WAIT_SEC = 5L;
+ private static final long MIN_SLEEP_MS = 5L;
+
+ private TestTimeMulti ttm;
+ private Semaphore done;
+
+ @Test
+ public void test() throws Exception {
+ ttm = new TestTimeMulti(NTHREADS);
+ done = new Semaphore(0);
+
+ long tbeg = ttm.getMillis();
+
+ // create threads
+ List<MyThread> threads = new ArrayList<>(NTHREADS);
+ for (int x = 0; x < NTHREADS; ++x) {
+ threads.add(new MyThread(x + MIN_SLEEP_MS));
+ }
+
+ // launch threads
+ for (MyThread thr : threads) {
+ thr.start();
+ }
+
+ // wait for each one to complete
+ for (MyThread thr : threads) {
+ assertTrue("complete " + thr.getSleepMs(), done.tryAcquire(WAIT_SEC, TimeUnit.SECONDS));
+ ttm.threadCompleted();
+ }
+
+ // check results
+ for (MyThread thr : threads) {
+ assertEquals("time " + thr.getSleepMs(), thr.texpected, thr.tactual);
+ }
+
+ assertTrue(ttm.getMillis() >= tbeg + NTIMES * MIN_SLEEP_MS);
+ }
+
+ private class MyThread extends Thread {
+
+ private final long sleepMs;
+
+ private volatile long texpected;
+ private volatile long tactual;
+
+ public MyThread(long sleepMs) {
+ this.sleepMs = sleepMs;
+
+ this.setDaemon(true);
+ }
+
+ public long getSleepMs() {
+ return sleepMs;
+ }
+
+ @Override
+ public void run() {
+ try {
+ for (int x = 0; x < NTIMES; ++x) {
+ texpected = ttm.getMillis() + sleepMs;
+ ttm.sleep(sleepMs);
+
+ if ((tactual = ttm.getMillis()) != texpected) {
+ break;
+ }
+
+ if ((tactual = ttm.getDate().getTime()) != texpected) {
+ break;
+ }
+ }
+
+ } catch (InterruptedException expected) {
+ Thread.currentThread().interrupt();
+ }
+
+ done.release();
+ }
+ }
+}
diff --git a/utils-test/src/test/java/org/onap/policy/common/utils/time/TestTimeTest.java b/utils-test/src/test/java/org/onap/policy/common/utils/time/TestTimeTest.java
new file mode 100644
index 00000000..c1e15b38
--- /dev/null
+++ b/utils-test/src/test/java/org/onap/policy/common/utils/time/TestTimeTest.java
@@ -0,0 +1,66 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Common Utils-Test
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.utils.time;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import org.junit.Test;
+
+public class TestTimeTest {
+
+ @Test
+ public void test() throws Exception {
+ TestTime tm = new TestTime();
+ TestTime tm2 = new TestTime();
+
+ long treal = System.currentTimeMillis();
+
+ long tcur = tm.getMillis();
+ assertEquals(tcur, tm.getDate().getTime());
+
+ long tsleep = 10000L;
+ long tcur2 = tcur;
+
+ // sleep a bit and then check values
+ tcur2 += tsleep;
+ tm2.sleep(tsleep);
+ assertEquals(tcur2, tm2.getMillis());
+ assertEquals(tcur2, tm2.getDate().getTime());
+
+ // sleep some more and then check values
+ tcur2 += tsleep;
+ tm2.sleep(tsleep);
+ assertEquals(tcur2, tm2.getMillis());
+ assertEquals(tcur2, tm2.getDate().getTime());
+
+ // check again - to ensure unchanged
+ assertEquals(tcur2, tm2.getMillis());
+ assertEquals(tcur2, tm2.getDate().getTime());
+
+ // original should also be unchanged
+ assertEquals(tcur, tm.getMillis());
+ assertEquals(tcur, tm.getDate().getTime());
+
+ // ensure that no real time has elapsed
+ assertTrue(System.currentTimeMillis() < treal + tsleep / 2);
+ }
+
+}