| /* |
| * Copyright (C) 2010, Marc Strapetz <marc.strapetz@syntevo.com> |
| * Copyright (C) 2015, Ivan Motsch <ivan.motsch@bsiag.com> 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.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 { |
| try (InputStream bis1 = new ByteArrayInputStream(input); |
| 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]; |
| try (InputStream bis2 = new ByteArrayInputStream(input); |
| 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); |
| } |
| } |
| } |
| } |
| |
| private static byte[] asBytes(String in) { |
| return in.getBytes(UTF_8); |
| } |
| } |