| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.commons.io.input; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| |
| import java.io.IOException; |
| import java.nio.charset.StandardCharsets; |
| |
| import org.junit.jupiter.api.Test; |
| |
| public class WindowsLineEndingInputStreamTest { |
| private String roundtrip(final String msg) throws IOException { |
| return roundtrip(msg, true); |
| } |
| |
| private String roundtrip(final String msg, final boolean ensure) throws IOException { |
| try (WindowsLineEndingInputStream lf = new WindowsLineEndingInputStream( |
| CharSequenceInputStream.builder().setCharSequence(msg).setCharset(StandardCharsets.UTF_8).get(), ensure)) { |
| final byte[] buf = new byte[100]; |
| final int read = lf.read(buf); |
| return new String(buf, 0, read, StandardCharsets.UTF_8); |
| } |
| } |
| |
| @Test |
| public void testInTheMiddleOfTheLine() throws Exception { |
| assertEquals("a\r\nbc\r\n", roundtrip("a\r\nbc")); |
| } |
| |
| @Test |
| public void testLinuxLineFeeds() throws Exception { |
| final String roundtrip = roundtrip("ab\nc", false); |
| assertEquals("ab\r\nc", roundtrip); |
| } |
| |
| @Test |
| public void testMalformed() throws Exception { |
| assertEquals("a\rbc", roundtrip("a\rbc", false)); |
| } |
| |
| @Test |
| public void testMultipleBlankLines() throws Exception { |
| assertEquals("a\r\n\r\nbc\r\n", roundtrip("a\r\n\r\nbc")); |
| } |
| |
| @Test |
| public void testRetainLineFeed() throws Exception { |
| assertEquals("a\r\n\r\n", roundtrip("a\r\n\r\n", false)); |
| assertEquals("a", roundtrip("a", false)); |
| } |
| |
| @Test |
| public void testSimpleString() throws Exception { |
| assertEquals("abc\r\n", roundtrip("abc")); |
| } |
| |
| @Test |
| public void testTwoLinesAtEnd() throws Exception { |
| assertEquals("a\r\n\r\n", roundtrip("a\r\n\r\n")); |
| } |
| } |