/*******************************************************************************
 * Copyright (c) 2000, 2005 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
 *******************************************************************************/
package org.eclipse.jdt.debug.tests.core;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.Path;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.debug.tests.AbstractDebugTest;
import org.eclipse.jdt.launching.IRuntimeClasspathEntry;
import org.eclipse.jdt.launching.IVMInstall;
import org.eclipse.jdt.launching.JavaRuntime;
import org.eclipse.jdt.launching.LibraryLocation;

/**
 * Tests runtime classpath entry creation/restoration.
 */
public class RuntimeClasspathEntryTests extends AbstractDebugTest {
	
	public RuntimeClasspathEntryTests(String name) {
		super(name);
	}

	public void testProjectEntry() throws Exception {
		IProject project = getJavaProject().getProject();
		IRuntimeClasspathEntry entry = JavaRuntime.newProjectRuntimeClasspathEntry(getJavaProject());
	
		assertEquals("Paths should be equal", project.getFullPath(), entry.getPath());
		assertEquals("Resources should be equal", project, entry.getResource());
		assertEquals("Should be of type project", IRuntimeClasspathEntry.PROJECT, entry.getType());
		assertEquals("Should be a user entry", IRuntimeClasspathEntry.USER_CLASSES, entry.getClasspathProperty());
		
		String memento = entry.getMemento();
		IRuntimeClasspathEntry restored = JavaRuntime.newRuntimeClasspathEntry(memento);
		assertEquals("Entries should be equal", entry, restored);
	}
	
	public void testJRELIBVariableEntry() throws Exception {
		IClasspathEntry cpe = JavaCore.newVariableEntry(new Path(JavaRuntime.JRELIB_VARIABLE), new Path(JavaRuntime.JRESRC_VARIABLE), new Path(JavaRuntime.JRESRCROOT_VARIABLE));

		IRuntimeClasspathEntry entry = JavaRuntime.newVariableRuntimeClasspathEntry(new Path(JavaRuntime.JRELIB_VARIABLE));
		entry.setSourceAttachmentPath(cpe.getSourceAttachmentPath());
		entry.setSourceAttachmentRootPath(cpe.getSourceAttachmentRootPath());
	
		assertEquals("Paths should be equal", cpe.getPath(), entry.getPath());
		assertNull("Resource should be null", entry.getResource());
		assertEquals("Should be of type varirable", IRuntimeClasspathEntry.VARIABLE, entry.getType());
		assertEquals("Should be a standard entry", IRuntimeClasspathEntry.STANDARD_CLASSES, entry.getClasspathProperty());
		
		String memento = entry.getMemento();
		IRuntimeClasspathEntry restored = JavaRuntime.newRuntimeClasspathEntry(memento);
		assertEquals("Entries should be equal", entry, restored);
		
		IVMInstall vm = JavaRuntime.getDefaultVMInstall();
		LibraryLocation[] libs = vm.getLibraryLocations();
		if (libs == null) {
			libs = vm.getVMInstallType().getDefaultLibraryLocations(vm.getInstallLocation());
		}
		assertTrue("there is at least one system lib", libs.length >= 1);
		
	}	
	
	/**
	 * Tests that a project can be launched if it contains the JRE_CONTAINER variable
	 * instead of JRE_LIB
	 * 
	 * XXX: test waiting for bug fix in JCORE - unable to bind container if there
	 * is no corresponding classpath entry.
	 */
//	public void testJREContainerEntry() throws Exception {
//		ILaunchConfiguration lc = getLaunchConfiguration("Breakpoints");
//		ILaunchConfigurationWorkingCopy wc = lc.copy("Breakpoints_JRE_CONTAINER");
//		
//		IRuntimeClasspathEntry[] cp = JavaRuntime.computeRuntimeClasspath(lc);
//		IRuntimeClasspathEntry removed = null;
//		List entries = new ArrayList(cp.length);
//		// replace JRE_LIB with JRE_CONTAINER
//		for (int i = 0; i < cp.length; i++) {
//			if (cp[i].getType() == IRuntimeClasspathEntry.VARIABLE) {
//				removed = cp[i];
//				cp[i] = JavaRuntime.newRuntimeContainerClasspathEntry(new Path(JavaRuntime.JRE_CONTAINER), getJavaProject().getElementName());	
//			}
//			entries.add(cp[i].getMemento());
//		}
//		
//		assertNotNull("Did not replace entry", removed);
//		wc.setAttribute(IJavaLaunchConfigurationConstants.ATTR_DEFAULT_CLASSPATH, false);
//		wc.setAttribute(IJavaLaunchConfigurationConstants.ATTR_CLASSPATH, entries);
//		lc = wc.doSave();
//		
//		createLineBreakpoint(52, "Breakpoints");
//		IJavaThread thread= null;
//		try {
//			thread = launch(lc);
//			assertNotNull("Launch failed", thread);
//		} finally {
//			terminateAndRemove(thread);
//			removeAllBreakpoints();
//		}
//	}	
	
	public void testJREContainerEquality() throws Exception {
		IRuntimeClasspathEntry entry1 = JavaRuntime.newRuntimeContainerClasspathEntry(new Path(JavaRuntime.JRE_CONTAINER), IRuntimeClasspathEntry.STANDARD_CLASSES, getJavaProject());
		IRuntimeClasspathEntry entry2 = JavaRuntime.newRuntimeContainerClasspathEntry(new Path(JavaRuntime.JRE_CONTAINER), IRuntimeClasspathEntry.STANDARD_CLASSES, getJavaProject("MultiOutput"));
		assertEquals("JRE containers should be equal no matter which project", entry1, entry2);
	}
	
	public void testExampleContainerEqualityNegative() throws Exception {
		IRuntimeClasspathEntry entry1 = JavaRuntime.newRuntimeContainerClasspathEntry(new Path("org.eclipse.jdt.debug.tests.TestClasspathContainer"), IRuntimeClasspathEntry.USER_CLASSES, getJavaProject());
		IRuntimeClasspathEntry entry2 = JavaRuntime.newRuntimeContainerClasspathEntry(new Path("org.eclipse.jdt.debug.tests.TestClasspathContainer"), IRuntimeClasspathEntry.USER_CLASSES, getJavaProject("MultiOutput"));
		assertFalse("Example containers should *not* be equal for different projects", entry1.equals(entry2));
	}
	
	public void testExampleContainerEqualityPositive() throws Exception {
		IRuntimeClasspathEntry entry1 = JavaRuntime.newRuntimeContainerClasspathEntry(new Path("org.eclipse.jdt.debug.tests.TestClasspathContainer"), IRuntimeClasspathEntry.USER_CLASSES, getJavaProject());
		IRuntimeClasspathEntry entry2 = JavaRuntime.newRuntimeContainerClasspathEntry(new Path("org.eclipse.jdt.debug.tests.TestClasspathContainer"), IRuntimeClasspathEntry.USER_CLASSES, getJavaProject());
		assertEquals("Example containers should be equal for same project", entry1, entry2);
	}	
}