rename package, fix typo

test/testcase/diffutils/PatchTest.java

@@ -0,0 +1,46 @@
+package diffutils;
+
+import java.util.Arrays;
+import java.util.List;
+
+import junit.framework.TestCase;
+import difflib.DiffUtils;
+import difflib.Patch;
+
+public class PatchTest extends TestCase {
+    private List<String> changeTest_from = Arrays.asList("aaa", "bbb", "ccc", "ddd");
+    private List<String> changeTest_to = Arrays.asList("aaa", "bxb", "cxc", "ddd");
+    
+    private List<String> deleteTest_from = Arrays.asList("ddd", "fff", "ggg", "hhh");
+    private List<String> deleteTest_to = Arrays.asList("ggg");
+    
+    private List<String> insertTest_from = Arrays.asList("hhh");
+    private List<String> insertTest_to = Arrays.asList("hhh", "jjj", "kkk", "lll");
+    
+    public void testPatch_Insert() {
+        Patch patch = DiffUtils.diff(insertTest_from, insertTest_to);
+        try {
+            assertEquals(insertTest_to, DiffUtils.patch(insertTest_from, patch));
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+    
+    public void testPatch_Delete() {
+        Patch patch = DiffUtils.diff(deleteTest_from, deleteTest_to);
+        try {
+            assertEquals(deleteTest_to, DiffUtils.patch(deleteTest_from, patch));
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+    
+    public void testPatch_Change() {
+        Patch patch = DiffUtils.diff(changeTest_from, changeTest_to);
+        try {
+            assertEquals(changeTest_to, DiffUtils.patch(changeTest_from, patch));
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}