### Eclipse Workspace Patch 1.0
#P org.eclipse.compare.tests
Index: patchdata/patch_additionA.txt
===================================================================
RCS file: patchdata/patch_additionA.txt
diff -N patchdata/patch_additionA.txt
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ patchdata/patch_additionA.txt	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,13 @@
+--- addition.txt	2005-05-09 12:14:04.000000000 +0200
++++ exp_addition.txt	2005-05-09 13:15:34.000000000 +0200
+@@ -0,0 +0,10 @@
++[1]
++[2]
++[3]
++[4]
++[5]
++[6]
++[7]
++[8]
++[9]
++
Index: patchdata/patch_addition2A.txt
===================================================================
RCS file: patchdata/patch_addition2A.txt
diff -N patchdata/patch_addition2A.txt
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ patchdata/patch_addition2A.txt	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,12 @@
+--- addition.txt	2005-05-09 12:14:04.000000000 +0200
++++ exp_addition.txt	2005-05-09 12:29:24.000000000 +0200
+@@ -0,0 +0,9 @@
++[1]
++[2]
++[3]
++[4]
++[5]
++[6]
++[7]
++[8]
++[9]
Index: patchdata/patchAddition3.txt
===================================================================
RCS file: patchdata/patchAddition3.txt
diff -N patchdata/patchAddition3.txt
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ patchdata/patchAddition3.txt	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,30 @@
+--- exp_context.txt	20 Dec 2008 02:59:19 -0000
++++ exp_context.txt	20 Dec 2008 02:59:19 -0000
+@@ -1,6 +1,8 @@
+ [b]
+ [c]
++[c1]
++[c2]
+ [d]
+ [e]
+ [f]
+@@ -8,14 +10,16 @@
+ [g]
+ [h]
+-[i]
++[i1]
+ [j]
+ [k]
+ [l]
+@@ -16,26 +18,28 @@
+ [m]
+ [n]
+-[o]
+ [p]
+ [q]
+ [r]
+ [s]
++[s1]
+ [t]
+ [u]
+ [v]
Index: patchdata/testPatch.txt
===================================================================
RCS file: patchdata/testPatch.txt
diff -N patchdata/testPatch.txt
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ patchdata/testPatch.txt	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,32 @@
+Index: patchdata/testPatch.txt
+===================================================================
+--- patchdata/testPatch.txt	20 Dec 2008 03:06:21 -0000
++++ patchdata/testPatch.txt	20 Dec 2008 03:06:21 -0000
+@@ -1,6 +1,8 @@
+ [b]
+ [c]
++[c1]
++[c2]
+ [d]
+ [e]
+ [f]
+@@ -8,14 +10,16 @@
+ [g]
+ [h]
+-[i]
++[i1]
+ [j]
+ [k]
+ [l]
+@@ -16,26 +18,28 @@
+ [m]
+ [n]
+-[o]
+ [p]
+ [q]
+ [r]
+ [s]
++[s1]
+ [t]
+ [u]
+ [v]
Index: patchdata/exp_additionA.txt
===================================================================
RCS file: patchdata/exp_additionA.txt
diff -N patchdata/exp_additionA.txt
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ patchdata/exp_additionA.txt	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,9 @@
+[1]
+[2]
+[3]
+[4]
+[5]
+[6]
+[7]
+[8]
+[9]
Index: src/org/eclipse/compare/tests/UnifiedDiffFormatterTest.java
===================================================================
RCS file: src/org/eclipse/compare/tests/UnifiedDiffFormatterTest.java
diff -N src/org/eclipse/compare/tests/UnifiedDiffFormatterTest.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ src/org/eclipse/compare/tests/UnifiedDiffFormatterTest.java	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,201 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2008 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:
+ *     Krzysztof Poglodzinski (intuicje@gmail.com) - initial API and implementation
+ *     Mariusz Tanski (mariusztanski@gmail.com) - initial API and implementation
+ *     Kacper Zdanowicz (kacper.zdanowicz@gmail.com) - initial API and implementation 
+ *******************************************************************************/
+package org.eclipse.compare.tests;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.URL;
+
+import org.eclipse.compare.CompareConfiguration;
+import org.eclipse.compare.contentmergeviewer.ITokenComparator;
+import org.eclipse.compare.contentmergeviewer.TokenComparator;
+import org.eclipse.compare.internal.UnifiedDiffFormatter;
+import org.eclipse.compare.internal.merge.DocumentMerger;
+import org.eclipse.compare.internal.merge.DocumentMerger.IDocumentMergerInput;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.Path;
+import org.eclipse.jface.text.Document;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.Position;
+import org.osgi.framework.Bundle;
+
+import junit.framework.TestCase;
+
+public class UnifiedDiffFormatterTest extends TestCase {
+
+	private static final String PATCHDATA = "patchdata";
+	private static final String TESTPATCHPATH = "patchdata/testPatch.txt";
+	private static final String TESTPATCHFILE = "testPatch.txt";
+	public static final char RIGHT_CONTRIBUTOR = 'R';
+	public static final char LEFT_CONTRIBUTOR = 'L';
+	
+	protected void setUp() throws Exception {
+		// empty
+	}
+
+	protected void tearDown() throws Exception {
+		super.tearDown();
+	}
+	
+	public void testCreatePatch() throws CoreException, IOException {
+		patch("addition.txt", "exp_addition.txt", "patch_additionA.txt");
+	}
+	
+	public void testUnterminatedCreatePatch() throws CoreException, IOException {
+		patch("addition.txt", "exp_addition2.txt", "patch_addition2A.txt");
+	}
+	
+	public void testCreate2Patch()throws CoreException, IOException {
+		patch("context.txt", "exp_context.txt", "patchAddition3.txt");
+	}
+	
+	private void patch(String fromFilePath, String toFilePath, String expectedPatch) throws CoreException, IOException{
+		String fromFileContent = readFileToString(fromFilePath);
+		String toFileContent = readFileToString(toFilePath);
+		
+		final Document fromDoc = new Document(fromFileContent);
+		final Document toDoc = new Document(toFileContent);
+		
+		DocumentMerger merger = new DocumentMerger(getDocumentMergerInput(fromDoc, toDoc));
+
+		merger.doDiff();
+
+		UnifiedDiffFormatter formatter = new UnifiedDiffFormatter(merger,
+                fromDoc, toDoc, TESTPATCHPATH, false);
+		
+		File file = getFile(TESTPATCHPATH);
+		
+		formatter.generateDiff(file);
+
+		String patchContent = readFileToString(TESTPATCHFILE);
+		String expectedContent = readFileToString(expectedPatch);
+		
+		String[] patchContents = patchContent.split("\n");
+		String[] expectedContents = expectedContent.split("\n");
+		patchContent = new String();
+		expectedContent = new String();
+		
+		for (int i = 4; i < patchContents.length; i++) {
+			patchContent += patchContents[i];
+		}
+		for (int i = 2; i < expectedContents.length; i++) {
+			expectedContent += expectedContents[i];
+		}
+		
+		
+		assertEquals(patchContent.length(), expectedContent.length());
+		
+		assertEquals(patchContent, expectedContent);
+		
+	}
+	
+	private File getFile(String path) throws IOException {
+		File result = new File(path);
+		if(!result.exists()) {
+				result.createNewFile();
+		}
+		return result;
+	}
+	
+	private IDocumentMergerInput getDocumentMergerInput(final Document fromDoc, final Document toDoc) {
+		return new IDocumentMergerInput() {
+
+			public ITokenComparator createTokenComparator(String line) {
+		            return new TokenComparator(line);
+		    }
+		    public CompareConfiguration getCompareConfiguration() {
+		            return new CompareConfiguration();
+		    }
+		    public IDocument getDocument(char contributor) {
+		            switch (contributor) {
+		            case LEFT_CONTRIBUTOR:
+		                    return fromDoc;
+		            case RIGHT_CONTRIBUTOR:
+		                    return toDoc;
+		            default:
+		                    return null;
+		            }
+		    }
+		    public int getHunkStart() {
+		            return 0;
+		    }
+		    public Position getRegion(char contributor) {
+		            switch (contributor) {
+		            case LEFT_CONTRIBUTOR:
+		                    return new Position(0, fromDoc.getLength());
+		            case RIGHT_CONTRIBUTOR:
+		                    return new Position(0, toDoc.getLength());
+		            }
+		            return null;
+		    }
+		    public boolean isHunkOnLeft() {
+		    	return false;
+		    }
+		    public boolean isIgnoreAncestor() {
+		    	return true;
+		    }
+		    public boolean isPatchHunk() {
+		    	return false;
+		    }
+		
+		    public boolean isShowPseudoConflicts() {
+		    	return false;
+		    }
+		    public boolean isThreeWay() {
+		//            return TextMergeViewer.this.isThreeWay();
+		    	return false;
+		    }
+		    public boolean isPatchHunkOk() {
+		    	return false;
+		    }
+		
+	};
+	}
+	
+	public String readFileToString(String path) throws IOException {
+		BufferedReader reader = getReader(path);
+		StringBuffer str = new StringBuffer();
+		int c;
+
+		while (((c = reader.read()) != -1)){
+			str.append((char)c);
+		}
+		reader.close();
+		return str.toString();
+
+	}
+
+	private BufferedReader getReader(String name) {
+		InputStream resourceAsStream = asInputStream(name);
+		InputStreamReader reader2= new InputStreamReader(resourceAsStream);
+		return new BufferedReader(reader2);
+	}
+
+	private InputStream asInputStream(String name) {
+		IPath path= new Path(PATCHDATA).append(name);
+		try {
+			URL url= new URL(getBundle().getEntry("/"), path.toString());
+			return url.openStream();
+		} catch (IOException e) {
+			fail("Failed while reading " + name);
+			return null; // never reached
+		}
+	}
+	private Bundle getBundle() {
+		return CompareTestPlugin.getDefault().getBundle();
+	}
+}