org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/core/LineTrackerTests.java

package org.eclipse.jdt.debug.tests.core;

/**********************************************************************
Copyright (c) 2000, 2002 IBM Corp.  All rights reserved.
This file is made available under the terms of the Common Public License v1.0
which accompanies this distribution, and is available at
http://www.eclipse.org/legal/cpl-v10.html
**********************************************************************/


import java.util.ArrayList;
import java.util.List;

import org.eclipse.debug.ui.console.IConsole;
import org.eclipse.debug.ui.console.IConsoleLineTracker;
import org.eclipse.jdt.debug.core.IJavaDebugTarget;
import org.eclipse.jdt.debug.testplugin.ConsoleLineTracker;
import org.eclipse.jdt.debug.tests.AbstractDebugTest;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IRegion;

/**
 * Tests console line tracker.
 */
public class LineTrackerTests extends AbstractDebugTest implements IConsoleLineTracker {
	
	protected String[] fLines = new String[] {
		"one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten"
	};
	
	protected IJavaDebugTarget fTarget;
	
	protected List fLinesRead = new ArrayList();
	
	protected boolean fStarted = false;
	
	protected boolean fStopped = false;
	
	protected IConsole fConsole = null;
	
	public LineTrackerTests(String name) {
		super(name);
	}
	
	public void testSimpleLineCounter() throws Exception {
		ConsoleLineTracker.setDelegate(this);
		fTarget = null;
		try {
			fTarget = launchAndTerminate("OneToTen");
			int attempts = 0;
			while (!fStopped) {
				assertTrue("did not get output within 30 seconds", attempts < 300);
				attempts++;
				Thread.sleep(100);
			}
			assertEquals("Should be " + fLines.length + " lines", fLines.length, fLinesRead.size());
			for (int i = 0; i < fLines.length; i++) {
				assertEquals("Line " + i + " not equal", fLines[i], fLinesRead.get(i));			
			}
		} finally {
			ConsoleLineTracker.setDelegate(null);
			terminateAndRemove(fTarget);
		}
	} 

	/**
	 * @see org.eclipse.debug.ui.console.IConsoleLineTracker#dispose()
	 */
	public void dispose() {
		if (fStarted) {
			fStopped = true;
		}
	}

	/**
	 * @see org.eclipse.debug.ui.console.IConsoleLineTracker#init(org.eclipse.debug.ui.console.IConsole)
	 */
	public void init(IConsole console) {
		if (console.getProcess().getLaunch().getLaunchConfiguration().getName().equals("OneToTen")) {
			fConsole = console;
			fStarted = true;
		}
	}

	/**
	 * @see org.eclipse.debug.ui.console.IConsoleLineTracker#lineAppended(org.eclipse.jface.text.IRegion)
	 */
	public void lineAppended(IRegion line) {
		if (fStarted) {
			try {
				String text = fConsole.getDocument().get(line.getOffset(), line.getLength());
				fLinesRead.add(text);
				if (fLinesRead.size() == 10) {
					// terminate and remove the program so it gets disposed
					terminateAndRemove(fTarget);
				}
			} catch (BadLocationException e) {
			}
		}
	}

}