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/*
* Copyright (C) 2017, Google Inc. 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 org.eclipse.jgit.errors.BinaryBlobException;
import org.eclipse.jgit.internal.storage.file.FileRepository;
import org.eclipse.jgit.junit.RepositoryTestCase;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.ObjectInserter;
import org.eclipse.jgit.lib.ObjectLoader;
import org.junit.Assert;
import org.junit.Test;
import java.io.IOException;
public class RawTextLoadTest extends RepositoryTestCase {
private static byte[] generate(int size, int nullAt) {
byte[] data = new byte[size];
for (int i = 0; i < data.length; i++) {
data[i] = (byte) ((i % 72 == 0) ? '\n' : (i%10) + '0');
}
if (nullAt >= 0) {
data[nullAt] = '\0';
}
return data;
}
private RawText textFor(byte[] data, int limit) throws IOException, BinaryBlobException {
FileRepository repo = createBareRepository();
ObjectId id;
try (ObjectInserter ins = repo.getObjectDatabase().newInserter()) {
id = ins.insert(Constants.OBJ_BLOB, data);
}
ObjectLoader ldr = repo.open(id);
return RawText.load(ldr, limit);
}
@Test
public void testSmallOK() throws Exception {
byte[] data = generate(1000, -1);
RawText result = textFor(data, 1 << 20);
Assert.assertArrayEquals(result.content, data);
}
@Test(expected = BinaryBlobException.class)
public void testSmallNull() throws Exception {
byte[] data = generate(1000, 22);
textFor(data, 1 << 20);
}
@Test
public void testBigOK() throws Exception {
byte[] data = generate(10000, -1);
RawText result = textFor(data, 1 << 20);
Assert.assertArrayEquals(result.content, data);
}
@Test(expected = BinaryBlobException.class)
public void testBigWithNullAtStart() throws Exception {
byte[] data = generate(10000, 22);
textFor(data, 1 << 20);
}
@Test(expected = BinaryBlobException.class)
public void testBinaryThreshold() throws Exception {
byte[] data = generate(2 << 20, -1);
textFor(data, 1 << 20);
}
}
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