1 files changed, 137 insertions, 0 deletions
diff --git a/watchmaker/framework/src/java/test/org/uncommons/util/concurrent/ConfigurableThreadFactoryTest.java b/watchmaker/framework/src/java/test/org/uncommons/util/concurrent/ConfigurableThreadFactoryTest.java
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+++ b/watchmaker/framework/src/java/test/org/uncommons/util/concurrent/ConfigurableThreadFactoryTest.java
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+//=============================================================================
+// Copyright 2006-2010 Daniel W. Dyer
+//
+// 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.uncommons.util.concurrent;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.atomic.AtomicInteger;
+import org.testng.annotations.Test;
+
+/**
+ * Unit test for the general-purpose thread factory implementation.
+ * @author Daniel Dyer
+ */
+public class ConfigurableThreadFactoryTest
+{
+    @Test
+    public void testDaemonThreads()
+    {
+        ThreadFactory threadFactory = new ConfigurableThreadFactory("Test",
+                                                                    Thread.MIN_PRIORITY,
+                                                                    true);
+        Runnable doNothing = new Runnable()
+        {
+            public void run()
+            {
+                // Do nothing.
+            }
+        };
+        Thread thread1 = threadFactory.newThread(doNothing);
+        assert thread1.getName().startsWith("Test") : "Wrong thread name: " + thread1.getName();
+        assert thread1.getPriority() == Thread.MIN_PRIORITY : "Wrong priority: " + thread1.getPriority();
+        assert thread1.isDaemon() : "Thread should be a daemon.";
+
+        // Second thread should have a different name.
+        Thread thread2 = threadFactory.newThread(doNothing);
+        assert thread2.getName().startsWith("Test") : "Wrong thread name: " + thread2.getName();
+        assert !thread1.getName().equals(thread2.getName()) : "Thread names should be different.";
+    }
+
+
+    @Test
+    public void testNonDaemonThreads()
+    {
+        ThreadFactory threadFactory = new ConfigurableThreadFactory("Test",
+                                                                    Thread.MAX_PRIORITY,
+                                                                    false);
+        Runnable doNothing = new Runnable()
+        {
+            public void run()
+            {
+                // Do nothing.
+            }
+        };
+        Thread thread = threadFactory.newThread(doNothing);
+        assert thread.getName().startsWith("Test") : "Wrong thread name: " + thread.getName();
+        assert thread.getPriority() == Thread.MAX_PRIORITY : "Wrong priority: " + thread.getPriority();
+        assert !thread.isDaemon() : "Thread should not be a daemon.";
+    }
+
+
+    @Test
+    public void testDefaultExceptionHandler() throws InterruptedException
+    {
+        // Intercept std. err.
+        ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
+        System.setErr(new PrintStream(byteStream));
+
+        ThreadFactory threadFactory = new ConfigurableThreadFactory("Test",
+                                                                    Thread.MAX_PRIORITY,
+                                                                    false);
+        Runnable doNothing = new Runnable()
+        {
+            public void run()
+            {
+                throw new IllegalStateException("This is a test.");
+            }
+        };
+        Thread thread = threadFactory.newThread(doNothing);
+        thread.start();
+        thread.join();
+
+        String output = byteStream.toString();
+        assert output.startsWith("java.lang.IllegalStateException") : "Exception handler failed to log exception.";
+    }
+
+
+    @Test
+    public void testCustomExceptionHandler() throws InterruptedException
+    {
+        ExceptionHandler exceptionHandler = new ExceptionHandler();
+        ThreadFactory threadFactory = new ConfigurableThreadFactory("Test",
+                                                                    Thread.MAX_PRIORITY,
+                                                                    false,
+                                                                    exceptionHandler);
+        Runnable doNothing = new Runnable()
+        {
+            public void run()
+            {
+                throw new IllegalStateException("This is a test.");
+            }
+        };
+        Thread thread = threadFactory.newThread(doNothing);
+        thread.start();
+        thread.join();
+        assert exceptionHandler.getExceptionCount() == 1 : "Exception not thrown.";
+    }
+
+
+    private static final class ExceptionHandler implements Thread.UncaughtExceptionHandler
+    {
+        private final AtomicInteger count = new AtomicInteger();
+
+        public void uncaughtException(Thread thread, Throwable throwable)
+        {
+            count.incrementAndGet();
+        }
+
+        public int getExceptionCount()
+        {
+            return count.get();
+        }
+    }
+}