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test/org/apache/catalina/tribes/group/TestGroupChannelStartStop.java

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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.catalina.tribes.group;
+
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import org.apache.catalina.tribes.Channel;
+import org.apache.catalina.tribes.transport.ReceiverBase;
+
+/**
+ * @version 1.0
+ */
+public class TestGroupChannelStartStop {
+    private GroupChannel channel = null;
+    private int udpPort = 45543;
+
+    @Before
+    public void setUp() throws Exception {
+        channel = new GroupChannel();
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        try {
+            channel.stop(Channel.DEFAULT);
+        } catch (Exception ignore) {
+            // Ignore
+        }
+    }
+
+    @Test
+    public void testDoubleFullStart() throws Exception {
+        int count = 0;
+        try {
+            channel.start(Channel.DEFAULT);
+            count++;
+        } catch ( Exception x){x.printStackTrace();}
+        try {
+            channel.start(Channel.DEFAULT);
+            count++;
+        } catch ( Exception x){x.printStackTrace();}
+        Assert.assertEquals(count,2);
+        channel.stop(Channel.DEFAULT);
+    }
+
+    @Test
+    public void testScrap() throws Exception {
+        System.out.println(channel.getChannelReceiver().getClass());
+        ((ReceiverBase)channel.getChannelReceiver()).setMaxThreads(1);
+    }
+
+    @Test
+    public void testDoublePartialStart() throws Exception {
+        //try to double start the RX
+        int count = 0;
+        try {
+            channel.start(Channel.SND_RX_SEQ);
+            channel.start(Channel.MBR_RX_SEQ);
+            count++;
+        } catch ( Exception x){x.printStackTrace();}
+        try {
+            channel.start(Channel.MBR_RX_SEQ);
+            count++;
+        } catch ( Exception x){
+            // expected
+        }
+        Assert.assertEquals(count,1);
+        channel.stop(Channel.DEFAULT);
+        //double the membership sender
+        count = 0;
+        try {
+            channel.start(Channel.SND_RX_SEQ);
+            channel.start(Channel.MBR_TX_SEQ);
+            count++;
+        } catch ( Exception x){x.printStackTrace();}
+        try {
+            channel.start(Channel.MBR_TX_SEQ);
+            count++;
+        } catch ( Exception x){
+            // expected
+        }
+        Assert.assertEquals(count,1);
+        channel.stop(Channel.DEFAULT);
+
+        count = 0;
+        try {
+            channel.start(Channel.SND_RX_SEQ);
+            count++;
+        } catch ( Exception x){x.printStackTrace();}
+        try {
+            channel.start(Channel.SND_RX_SEQ);
+            count++;
+        } catch ( Exception x){
+            // expected
+        }
+        Assert.assertEquals(count,1);
+        channel.stop(Channel.DEFAULT);
+
+        count = 0;
+        try {
+            channel.start(Channel.SND_TX_SEQ);
+            count++;
+        } catch ( Exception x){x.printStackTrace();}
+        try {
+            channel.start(Channel.SND_TX_SEQ);
+            count++;
+        } catch ( Exception x){
+            // expected
+        }
+        Assert.assertEquals(count,1);
+        channel.stop(Channel.DEFAULT);
+    }
+
+    @Test
+    public void testFalseOption() throws Exception {
+        int flag = 0xFFF0;//should get ignored by the underlying components
+        int count = 0;
+        try {
+            channel.start(flag);
+            count++;
+        } catch ( Exception x){x.printStackTrace();}
+        try {
+            channel.start(flag);
+            count++;
+        } catch ( Exception x){
+            // expected
+        }
+        Assert.assertEquals(count,2);
+        channel.stop(Channel.DEFAULT);
+    }
+
+    @Test
+    public void testUdpReceiverStart() throws Exception {
+        ReceiverBase rb = (ReceiverBase)channel.getChannelReceiver();
+        rb.setUdpPort(udpPort);
+        channel.start(Channel.DEFAULT);
+        Thread.sleep(1000);
+        channel.stop(Channel.DEFAULT);
+    }
+}