001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.commons.collections.primitives.adapters.io; 018 019import java.io.ByteArrayInputStream; 020import java.io.IOException; 021import java.io.InputStream; 022 023import junit.framework.Test; 024import junit.framework.TestSuite; 025 026import org.apache.commons.collections.primitives.ByteIterator; 027import org.apache.commons.collections.primitives.TestByteIterator; 028 029/** 030 * @version $Revision: 480451 $ $Date: 2006-11-29 02:45:08 -0500 (Wed, 29 Nov 2006) $ 031 * @author Rodney Waldhoff 032 */ 033public class TestInputStreamByteIterator extends TestByteIterator { 034 035 // conventional 036 // ------------------------------------------------------------------------ 037 038 public TestInputStreamByteIterator(String testName) { 039 super(testName); 040 } 041 042 public static Test suite() { 043 return new TestSuite(TestInputStreamByteIterator.class); 044 } 045 046 // ------------------------------------------------------------------------ 047 048 public boolean supportsRemove() { 049 return false; 050 } 051 052 protected ByteIterator makeEmptyByteIterator() { 053 return new InputStreamByteIterator(new ByteArrayInputStream(new byte[0])); 054 } 055 056 protected ByteIterator makeFullByteIterator() { 057 return new InputStreamByteIterator(new ByteArrayInputStream(getFullElements())); 058 } 059 060 protected byte[] getFullElements() { 061 byte[] bytes = new byte[256]; 062 for(int i=0; i < 256; i++) { 063 bytes[i] = (byte)(i-128); 064 } 065 return bytes; 066 } 067 068 069 // ------------------------------------------------------------------------ 070 071 public void testErrorThrowingStream() { 072 InputStream errStream = new InputStream() { 073 public int read() throws IOException { 074 throw new IOException(); 075 } 076 }; 077 078 ByteIterator iter = new InputStreamByteIterator(errStream); 079 try { 080 iter.hasNext(); 081 fail("Expected RuntimeException"); 082 } catch(RuntimeException e) { 083 // expected 084 } 085 try { 086 iter.next(); 087 fail("Expected RuntimeException"); 088 } catch(RuntimeException e) { 089 // expected 090 } 091 } 092 093 public void testAdaptNull() { 094 assertNull(InputStreamByteIterator.adapt(null)); 095 } 096 097 public void testAdaptNonNull() { 098 assertNotNull(InputStreamByteIterator.adapt(new ByteArrayInputStream(new byte[0]))); 099 } 100}