package org.eclipse.debug.jdi.tests;

/**********************************************************************
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.LinkedList;
import java.util.List;
import java.util.ListIterator;

import com.sun.jdi.AbsentInformationException;
import com.sun.jdi.Locatable;
import com.sun.jdi.Location;
import com.sun.jdi.request.AccessWatchpointRequest;
import com.sun.jdi.request.BreakpointRequest;
import com.sun.jdi.request.ModificationWatchpointRequest;

/**
 * Tests for JDI com.sun.jdi.Locatable.
 */
public class LocatableTest extends AbstractJDITest {

	private List fLocatables = new LinkedList();
	private List fRequests = new LinkedList();
	/**
	 * Creates a new test.
	 */
	public LocatableTest() {
		super();
	}
	/**
	 * Init the fields that are used by this test only.
	 */
	public void localSetUp() {
		// Get all kinds of locatable

		BreakpointRequest bp = getBreakpointRequest();
		fLocatables.add(bp); // BreakpointRequest

		//ExceptionRequest er = getExceptionRequest();
		//fLocatables.add(triggerAndWait(er, 'e')); // ExceptionEvent

		fLocatables.add(getMethod()); // Method

		fLocatables.add(triggerStepAndWait()); // StepEvent

		fRequests.add(bp);
		fLocatables.add(triggerAndWait(bp, "BreakpointEvent", true));
		// BreakpointEvent

		if (fVM.canWatchFieldAccess()) {
			AccessWatchpointRequest ap = getAccessWatchpointRequest();
			fRequests.add(ap);
			fLocatables.add(triggerAndWait(ap, "AccessWatchpointEvent", true));
			// AccessWatchpointEvent
		}

		if (fVM.canWatchFieldModification()) {
			ModificationWatchpointRequest mp =
				getModificationWatchpointRequest();
			fRequests.add(mp);
			fLocatables.add(
				triggerAndWait(mp, "ModificationWatchpointEvent", false));
			// ModificationWatchpointEvent
		}

		// Note we can use the stack frame only if the thread is suspended,
		// that's why the previoue triggerAndWait doesn't resume the thread
		// and this Locatable is added last in the list
		fLocatables.add(getFrame(RUN_FRAME_OFFSET)); // StackFrame

	}
	/**
	 * Make sure the test leaves the VM in the same state it found it.
	 */
	public void localTearDown() {
		// Ensure that the modification of the "fBool" field has completed
		fVM.resume();
		waitUntilReady();

		// Delete the event requests we created in this test
		fVM.eventRequestManager().deleteEventRequests(fRequests);

		// Set the value of the "fBool" field back to its original value
		resetField();
	}
	/**
	 * Run all tests and output to standard output.
	 */
	public static void main(java.lang.String[] args) {
		new LocatableTest().runSuite(args);
	}
	/**
	 * Gets the name of the test case.
	 */
	public String getName() {
		return "com.sun.jdi.Locatable";
	}
	/**
	 * Test JDI location()
	 */
	public void testJDILocation() {
		ListIterator iterator = fLocatables.listIterator();
		while (iterator.hasNext()) {
			Locatable locatable = (Locatable) iterator.next();
			Location location = locatable.location();
			assertTrue("1." + locatable, location != null);
			assertTrue(
				"2." + locatable,
				(location.codeIndex()) >= 0 || (location.codeIndex() == -1));
			assertTrue("3." + locatable, location.declaringType() != null);
			assertTrue(
				"4." + locatable,
				(location.lineNumber() > 0) || (location.lineNumber() == -1));
			assertNotNull("5", location.method());
			try {
				location.sourceName();
			} catch (AbsentInformationException e) {
				assertTrue("7", false);
			}
		}
	}
}