1 files changed, 135 insertions, 0 deletions
diff --git a/tests/org.eclipse.ui.tests/Eclipse UI Tests/org/eclipse/ui/tests/progress/JobInfoTestOrdering.java b/tests/org.eclipse.ui.tests/Eclipse UI Tests/org/eclipse/ui/tests/progress/JobInfoTestOrdering.java
new file mode 100644
index 00000000000..c56f1c73551
--- /dev/null
+++ b/tests/org.eclipse.ui.tests/Eclipse UI Tests/org/eclipse/ui/tests/progress/JobInfoTestOrdering.java
@@ -0,0 +1,135 @@
+/*******************************************************************************
+ * Copyright (c) 2011 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *     Martin W. Kirst <martin.kirst@s1998.tu-chemnitz.de> - jUnit test for Bug 361121 [Progress] DetailedProgressViewer's comparator violates its general contract
+ ******************************************************************************/
+
+package org.eclipse.ui.tests.progress;
+
+import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import junit.framework.TestCase;
+
+import org.eclipse.core.internal.jobs.InternalJob;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.jobs.Job;
+import org.eclipse.ui.internal.progress.JobInfo;
+
+public class JobInfoTestOrdering extends TestCase {
+
+	private List jobinfos = new ArrayList();
+	
+	/**
+	 * @throws java.lang.Exception
+	 */
+	protected void setUp() throws Exception {
+		jobinfos.clear();
+		int counter = 0;
+		TestJob job;
+		JobInfo ji;
+		
+		job = new TestJob("Job" + (counter++));
+		job.setUser(true);
+		job.setSystem(false);
+		job.setPriority(Job.INTERACTIVE);
+		job.setInternalJobState(Job.NONE);  // JOB STATE
+		ji = new ExtendedJobInfo(job);
+		jobinfos.add(ji);
+		
+		job = new TestJob("Job" + (counter++));
+		job.setUser(true);
+		job.setSystem(false);
+		job.setPriority(Job.INTERACTIVE);
+		job.setInternalJobState(Job.SLEEPING);  // JOB STATE
+		ji = new ExtendedJobInfo(job);
+		jobinfos.add(ji);
+		
+		job = new TestJob("Job" + (counter++));
+		job.setUser(true);
+		job.setSystem(false);
+		job.setPriority(Job.INTERACTIVE);
+		job.setInternalJobState(Job.WAITING);  // JOB STATE
+		ji = new ExtendedJobInfo(job);
+		jobinfos.add(ji);
+		
+		job = new TestJob("Job" + (counter++));
+		job.setUser(true);
+		job.setSystem(false);
+		job.setPriority(Job.INTERACTIVE);
+		job.setInternalJobState(Job.RUNNING);  // JOB STATE
+		ji = new ExtendedJobInfo(job);
+		jobinfos.add(ji);
+		
+	}
+
+	/**
+	 * Test that checks when jobs sorted by their state, the running ones
+	 * are ordered to first place
+	 */
+	public void testJobStateOrdering() {
+		Collections.sort(jobinfos);
+		assertEquals(Job.RUNNING,  ((JobInfo)jobinfos.get(0)).getJob().getState());
+		assertEquals(Job.WAITING,  ((JobInfo)jobinfos.get(1)).getJob().getState());
+		assertEquals(Job.SLEEPING, ((JobInfo)jobinfos.get(2)).getJob().getState());
+		assertEquals(Job.NONE,     ((JobInfo)jobinfos.get(3)).getJob().getState());
+	}
+	
+	/*
+	 * ========================================================================
+	 */
+
+	/**
+	 * Only provides better readable {@link #toString()} method.
+	 */
+	private static class ExtendedJobInfo extends JobInfo {
+
+		public ExtendedJobInfo(Job enclosingJob) {
+			super(enclosingJob);
+		}
+
+		public String toString() {
+			return "ExtendedJobInfo [getName()=" + getJob().getName() + ", getPriority()="
+						+ getJob().getPriority() + ", getState()=" + getJob().getState()
+						+ ", isSystem()=" + getJob().isSystem() + ", isUser()=" + getJob().isUser()
+						+ "]";
+		}
+		
+	}
+	
+	/**
+	 * Enables access to internal state, by using reflection
+	 * Provides better readable {@link #toString()} method.
+	 */
+	private static class TestJob extends Job {
+
+		public TestJob(String name) {
+			super(name);
+		}
+
+		protected IStatus run(IProgressMonitor monitor) {
+			throw new UnsupportedOperationException("Not implemented, because of just a unit test");
+		}
+		
+		public void setInternalJobState(int state) {
+			try {
+				final Field field = InternalJob.class.getDeclaredField("flags");
+				field.setAccessible(true); // hack for testing
+				field.set(this, new Integer(state));
+			} catch (Exception e) {
+				e.printStackTrace();
+				throw new RuntimeException(e);
+			}
+		}
+
+	}
+}