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/*
* Copyright (C) 2018, David Pursehouse <david.pursehouse@gmail.com> 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.lib;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import org.junit.Test;
public class ObjectIdSerializerTest {
@Test
public void serialize() throws Exception {
ObjectId original = new ObjectId(1, 2, 3, 4, 5);
ObjectId deserialized = writeAndReadBackFromTempFile(original);
assertEquals(original, deserialized);
}
@Test
public void serializeZeroId() throws Exception {
ObjectId original = ObjectId.zeroId();
ObjectId deserialized = writeAndReadBackFromTempFile(original);
assertEquals(original, deserialized);
}
@Test
public void serializeNull() throws Exception {
ObjectId deserialized = writeAndReadBackFromTempFile(null);
assertNull(deserialized);
}
private ObjectId writeAndReadBackFromTempFile(ObjectId objectId)
throws Exception {
File file = File.createTempFile("ObjectIdSerializerTest_", "");
try (OutputStream out = new FileOutputStream(file)) {
if (objectId == null) {
ObjectIdSerializer.write(out, objectId);
} else {
ObjectIdSerializer.writeWithoutMarker(out, objectId);
}
}
try (InputStream in = new FileInputStream(file)) {
if (objectId == null) {
return ObjectIdSerializer.read(in);
}
return ObjectIdSerializer.readWithoutMarker(in);
}
}
}
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