| /* |
| * 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); |
| } |
| } |