| /* |
| * 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 org.junit.Assert.assertEquals; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.UnsupportedEncodingException; |
| |
| 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) { |
| try { |
| return in.getBytes("UTF-8"); |
| } catch (UnsupportedEncodingException ex) { |
| throw new AssertionError(); |
| } |
| } |
| } |