| package org.apache.maven.shared.filtering.streams; |
| /* |
| * 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. |
| */ |
| |
| import org.junit.Test; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| public class WindowsLineFeedInputStreamTest |
| { |
| |
| @Test |
| public void simpleString() |
| throws Exception |
| { |
| assertEquals( "abc\r\n", roundtrip( "abc" ) ); |
| } |
| |
| @Test |
| public void inTheMiddleOfTheLine() |
| throws Exception |
| { |
| assertEquals( "a\r\nbc\r\n", roundtrip( "a\r\nbc" ) ); |
| } |
| |
| @Test |
| public void multipleBlankLines() |
| throws Exception |
| { |
| assertEquals( "a\r\n\r\nbc\r\n", roundtrip( "a\r\n\r\nbc" ) ); |
| } |
| |
| @Test |
| public void twoLinesAtEnd() |
| throws Exception |
| { |
| assertEquals( "a\r\n\r\n", roundtrip( "a\r\n\r\n" ) ); |
| } |
| |
| @Test |
| public void linuxLinefeeds() |
| throws Exception |
| { |
| final String roundtrip = roundtrip( "ab\nc", false ); |
| assertEquals( "ab\r\nc", roundtrip ); |
| } |
| |
| |
| @Test |
| public void malformed() |
| throws Exception |
| { |
| assertEquals( "a\rbc", roundtrip( "a\rbc", false ) ); |
| } |
| |
| @Test |
| public void retainLineFeed() |
| throws Exception |
| { |
| assertEquals( "a\r\n\r\n", roundtrip( "a\r\n\r\n", false ) ); |
| assertEquals( "a", roundtrip( "a", false ) ); |
| } |
| |
| private String roundtrip( String msg ) |
| throws IOException |
| { |
| return roundtrip( msg, true ); |
| } |
| |
| private String roundtrip( String msg, boolean ensure ) |
| throws IOException |
| { |
| ByteArrayInputStream baos = new ByteArrayInputStream( msg.getBytes() ); |
| WindowsLineFeedInputStream lf = new WindowsLineFeedInputStream( baos, ensure ); |
| byte[] buf = new byte[100]; |
| final int read = lf.read( buf ); |
| return new String( buf, 0, read ); |
| } |
| |
| |
| } |