- /*
- * 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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