EditTest.java

/*
 * Copyright (C) 2009, Google Inc.
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package org.spearce.jgit.diff;

import junit.framework.TestCase;

public class EditTest extends TestCase {
	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());
	}

	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());
	}

	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());
	}

	public void testType_Insert() {
		final Edit e = new Edit(1, 1, 1, 2);
		assertSame(Edit.Type.INSERT, e.getType());
	}

	public void testType_Delete() {
		final Edit e = new Edit(1, 2, 1, 1);
		assertSame(Edit.Type.DELETE, e.getType());
	}

	public void testType_Replace() {
		final Edit e = new Edit(1, 2, 1, 4);
		assertSame(Edit.Type.REPLACE, e.getType());
	}

	public void testType_Empty() {
		assertSame(Edit.Type.EMPTY, new Edit(1, 1, 2, 2).getType());
		assertSame(Edit.Type.EMPTY, new Edit(1, 2).getType());
	}

	public void testToString() {
		final Edit e = new Edit(1, 2, 1, 4);
		assertEquals("REPLACE(1-2,1-4)", e.toString());
	}

	public void testEquals1() {
		final Edit e1 = new Edit(1, 2, 3, 4);
		final Edit e2 = new Edit(1, 2, 3, 4);

		assertTrue(e1.equals(e1));
		assertTrue(e1.equals(e2));
		assertTrue(e2.equals(e1));
		assertEquals(e1.hashCode(), e2.hashCode());
		assertFalse(e1.equals(""));
	}

	public void testNotEquals1() {
		assertFalse(new Edit(1, 2, 3, 4).equals(new Edit(0, 2, 3, 4)));
	}

	public void testNotEquals2() {
		assertFalse(new Edit(1, 2, 3, 4).equals(new Edit(1, 0, 3, 4)));
	}

	public void testNotEquals3() {
		assertFalse(new Edit(1, 2, 3, 4).equals(new Edit(1, 2, 0, 4)));
	}

	public void testNotEquals4() {
		assertFalse(new Edit(1, 2, 3, 4).equals(new Edit(1, 2, 3, 0)));
	}

	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);
	}

	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);
	}
}