tests/org.eclipse.ui.tests/Eclipse UI Tests/org/eclipse/ui/tests/ide/api/FileEditorInputTest.java

/*******************************************************************************
 * Copyright (c) 2004 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.ui.tests.ide.api;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IStorage;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.IPersistableElement;
import org.eclipse.ui.part.FileEditorInput;
import org.eclipse.ui.tests.harness.util.UITestCase;

/**
 * Tests [I]FileEditorInput API.
 * 
 * @since 3.1
 */
public class FileEditorInputTest extends UITestCase {

    /**
     * @param testName
     */
    public FileEditorInputTest(String testName) {
        super(testName);
    }
    
    /**
     * Regression test for bug 72337 - [IDE] FileEditorInput .equals() not implemented against interface
     */
    public void testBug72337() {
        IWorkspace workspace = ResourcesPlugin.getWorkspace();
        IPath path = new Path("/foo/bar.txt");
        IFile fileA = workspace.getRoot().getFile(path);
        FileEditorInput inputA1 = new FileEditorInput(fileA);
        OtherFileEditorInput inputA2 = new OtherFileEditorInput(fileA);
        assertTrue(inputA1.equals(inputA2));
        assertTrue(inputA2.equals(inputA1));
    }
    
    class OtherFileEditorInput implements IFileEditorInput {
        private IFile file;
        
        public OtherFileEditorInput(IFile file) {
            this.file = file;
        }
        
        public IFile getFile() {
            return file;
        }

        public IStorage getStorage() throws CoreException {
            return file;
        }

        public boolean exists() {
            return file.exists();
        }

        public ImageDescriptor getImageDescriptor() {
            return null;
        }

        public String getName() {
            return file.getName();
        }

        public IPersistableElement getPersistable() {
            return null;
        }

        public String getToolTipText() {
            return file.getFullPath().toString();
        }

        public Object getAdapter(Class adapter) {
            if (adapter == IResource.class)
                return file;
            if (adapter == IFile.class)
                return file;
            return null;
        }
        
        public boolean equals(Object obj) {
            if (!(obj instanceof IFileEditorInput))
                return false;
            IFileEditorInput other = (IFileEditorInput) obj;
            return file.equals(other.getFile());
        }
        
        public int hashCode() {
            return file.hashCode();
        }
    }
}