| /* |
| * 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.maven.shared.filtering; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.Reader; |
| import java.io.StringReader; |
| |
| import org.junit.Test; |
| |
| public class BoundedReaderTest |
| { |
| |
| private final Reader sr = new BufferedReader( new StringReader( "01234567890" ) ); |
| |
| @Test |
| public void readTillEnd() |
| throws IOException |
| { |
| BoundedReader mr = new BoundedReader( sr, 3 ); |
| mr.mark( 3 ); |
| mr.read(); |
| mr.read(); |
| mr.read(); |
| assertEquals( -1, mr.read() ); |
| mr.close(); |
| } |
| |
| @Test |
| public void readMulti() |
| throws IOException |
| { |
| BoundedReader mr = new BoundedReader( sr, 3 ); |
| char[] cbuf = new char[4]; |
| for ( int i = 0; i < cbuf.length; i++ ) |
| cbuf[i] = 'X'; |
| final int read = mr.read( cbuf, 0, 4 ); |
| assertEquals( 3, read ); |
| assertEquals( '0', cbuf[0] ); |
| assertEquals( '1', cbuf[1] ); |
| assertEquals( '2', cbuf[2] ); |
| assertEquals( 'X', cbuf[3] ); |
| mr.close(); |
| } |
| |
| @Test |
| public void readMultiWithOffset() |
| throws IOException |
| { |
| BoundedReader mr = new BoundedReader( sr, 3 ); |
| char[] cbuf = new char[4]; |
| for ( int i = 0; i < cbuf.length; i++ ) |
| cbuf[i] = 'X'; |
| final int read = mr.read( cbuf, 1, 2 ); |
| assertEquals( 2, read ); |
| assertEquals( 'X', cbuf[0] ); |
| assertEquals( '0', cbuf[1] ); |
| assertEquals( '1', cbuf[2] ); |
| assertEquals( 'X', cbuf[3] ); |
| mr.close(); |
| } |
| |
| @Test |
| public void resetWorks() |
| throws IOException |
| { |
| BoundedReader mr = new BoundedReader( sr, 3 ); |
| mr.read(); |
| mr.read(); |
| mr.read(); |
| mr.reset(); |
| mr.read(); |
| mr.read(); |
| mr.read(); |
| assertEquals( -1, mr.read() ); |
| mr.close(); |
| } |
| |
| @Test |
| public void skipTest() |
| throws IOException |
| { |
| BoundedReader mr = new BoundedReader( sr, 3 ); |
| mr.skip( 2 ); |
| mr.read(); |
| assertEquals( -1, mr.read() ); |
| mr.close(); |
| } |
| } |