- /*
- * Copyright (C) 2010, Marc Strapetz <marc.strapetz@syntevo.com>
- * Copyright (C) 2015, Ivan Motsch <ivan.motsch@bsiag.com>
- * and other copyright owners as documented in the project's IP log.
- *
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Distribution License v1.0 which
- * accompanies this distribution, is reproduced below, and is
- * available at http://www.eclipse.org/org/documents/edl-v10.php
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- *
- * - Neither the name of the Eclipse Foundation, Inc. nor the
- * names of its contributors may be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
- package org.eclipse.jgit.util.io;
-
- import static java.nio.charset.StandardCharsets.UTF_8;
- import static org.junit.Assert.assertEquals;
-
- import java.io.ByteArrayInputStream;
- import java.io.IOException;
- import java.io.InputStream;
-
- import org.junit.Test;
-
- public class AutoLFInputStreamTest {
-
- @Test
- public void testLF() throws IOException {
- final byte[] bytes = asBytes("1\n2\n3");
- test(bytes, bytes, false);
- }
-
- @Test
- public void testCR() throws IOException {
- final byte[] bytes = asBytes("1\r2\r3");
- test(bytes, bytes, false);
- }
-
- @Test
- public void testCRLF() throws IOException {
- test(asBytes("1\r\n2\r\n3"), asBytes("1\n2\n3"), false);
- }
-
- @Test
- public void testLFCR() throws IOException {
- final byte[] bytes = asBytes("1\n\r2\n\r3");
- test(bytes, bytes, false);
- }
-
- @Test
- public void testEmpty() throws IOException {
- final byte[] bytes = asBytes("");
- test(bytes, bytes, false);
- }
-
- @Test
- public void testBinaryDetect() throws IOException {
- final byte[] bytes = asBytes("1\r\n2\r\n3\0");
- test(bytes, bytes, true);
- }
-
- @Test
- public void testBinaryDontDetect() throws IOException {
- test(asBytes("1\r\n2\r\n3\0"), asBytes("1\n2\n3\0"), false);
- }
-
- private static void test(byte[] input, byte[] expected,
- boolean detectBinary) throws IOException {
- final InputStream bis1 = new ByteArrayInputStream(input);
- final InputStream cis1 = new AutoLFInputStream(bis1, detectBinary);
- int index1 = 0;
- for (int b = cis1.read(); b != -1; b = cis1.read()) {
- assertEquals(expected[index1], (byte) b);
- index1++;
- }
-
- assertEquals(expected.length, index1);
-
- for (int bufferSize = 1; bufferSize < 10; bufferSize++) {
- final byte[] buffer = new byte[bufferSize];
- final InputStream bis2 = new ByteArrayInputStream(input);
- final InputStream cis2 = new AutoLFInputStream(bis2, detectBinary);
-
- int read = 0;
- for (int readNow = cis2.read(buffer, 0, buffer.length); readNow != -1
- && read < expected.length; readNow = cis2.read(buffer, 0,
- buffer.length)) {
- for (int index2 = 0; index2 < readNow; index2++) {
- assertEquals(expected[read + index2], buffer[index2]);
- }
- read += readNow;
- }
-
- assertEquals(expected.length, read);
- cis2.close();
- }
- cis1.close();
- }
-
- private static byte[] asBytes(String in) {
- return in.getBytes(UTF_8);
- }
- }
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