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/*
* Copyright (C) 2009, Google Inc.
* Copyright (C) 2009, Johannes E. Schindelin <johannes.schindelin@gmx.de> and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.diff;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class EditTest {
@Test
public void testCreate() {
final Edit e = new Edit(1, 2, 3, 4);
assertEquals(1, e.getBeginA());
assertEquals(2, e.getEndA());
assertEquals(3, e.getBeginB());
assertEquals(4, e.getEndB());
}
@Test
public void testCreateEmpty() {
final Edit e = new Edit(1, 3);
assertEquals(1, e.getBeginA());
assertEquals(1, e.getEndA());
assertEquals(3, e.getBeginB());
assertEquals(3, e.getEndB());
assertTrue("is empty", e.isEmpty());
assertSame(Edit.Type.EMPTY, e.getType());
}
@Test
public void testSwap() {
final Edit e = new Edit(1, 2, 3, 4);
e.swap();
assertEquals(3, e.getBeginA());
assertEquals(4, e.getEndA());
assertEquals(1, e.getBeginB());
assertEquals(2, e.getEndB());
}
@Test
public void testType_Insert() {
final Edit e = new Edit(1, 1, 1, 2);
assertSame(Edit.Type.INSERT, e.getType());
assertFalse("not empty", e.isEmpty());
assertEquals(0, e.getLengthA());
assertEquals(1, e.getLengthB());
}
@Test
public void testType_Delete() {
final Edit e = new Edit(1, 2, 1, 1);
assertSame(Edit.Type.DELETE, e.getType());
assertFalse("not empty", e.isEmpty());
assertEquals(1, e.getLengthA());
assertEquals(0, e.getLengthB());
}
@Test
public void testType_Replace() {
final Edit e = new Edit(1, 2, 1, 4);
assertSame(Edit.Type.REPLACE, e.getType());
assertFalse("not empty", e.isEmpty());
assertEquals(1, e.getLengthA());
assertEquals(3, e.getLengthB());
}
@Test
public void testType_Empty() {
final Edit e = new Edit(1, 1, 2, 2);
assertSame(Edit.Type.EMPTY, e.getType());
assertSame(Edit.Type.EMPTY, new Edit(1, 2).getType());
assertTrue("is empty", e.isEmpty());
assertEquals(0, e.getLengthA());
assertEquals(0, e.getLengthB());
}
@Test
public void testToString() {
final Edit e = new Edit(1, 2, 1, 4);
assertEquals("REPLACE(1-2,1-4)", e.toString());
}
@SuppressWarnings("unlikely-arg-type")
@Test
public void testEquals1() {
final Edit e1 = new Edit(1, 2, 3, 4);
final Edit e2 = new Edit(1, 2, 3, 4);
assertEquals(e1, e1);
assertEquals(e2, e1);
assertEquals(e1, e2);
assertEquals(e1.hashCode(), e2.hashCode());
assertFalse(e1.equals(""));
}
@Test
public void testNotEquals1() {
assertFalse(new Edit(1, 2, 3, 4).equals(new Edit(0, 2, 3, 4)));
}
@Test
public void testNotEquals2() {
assertFalse(new Edit(1, 2, 3, 4).equals(new Edit(1, 0, 3, 4)));
}
@Test
public void testNotEquals3() {
assertFalse(new Edit(1, 2, 3, 4).equals(new Edit(1, 2, 0, 4)));
}
@Test
public void testNotEquals4() {
assertFalse(new Edit(1, 2, 3, 4).equals(new Edit(1, 2, 3, 0)));
}
@Test
public void testExtendA() {
final Edit e = new Edit(1, 2, 1, 1);
e.extendA();
assertEquals(new Edit(1, 3, 1, 1), e);
e.extendA();
assertEquals(new Edit(1, 4, 1, 1), e);
}
@Test
public void testExtendB() {
final Edit e = new Edit(1, 2, 1, 1);
e.extendB();
assertEquals(new Edit(1, 2, 1, 2), e);
e.extendB();
assertEquals(new Edit(1, 2, 1, 3), e);
}
@Test
public void testBeforeAfterCuts() {
final Edit whole = new Edit(1, 8, 2, 9);
final Edit mid = new Edit(4, 5, 3, 6);
assertEquals(new Edit(1, 4, 2, 3), whole.before(mid));
assertEquals(new Edit(5, 8, 6, 9), whole.after(mid));
}
}
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