| // Licensed to the Apache Software Foundation (ASF) under one or more contributor |
| // license agreements. See the NOTICE.txt 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.oodt.commons.io; |
| |
| import java.io.*; |
| import java.util.*; |
| import junit.framework.*; |
| |
| /** Unit test the {@link NullOutputStream} class. |
| * |
| * @author Kelly |
| */ |
| public class NullOutputStreamTest extends TestCase { |
| /** Construct the test case for the {@link NullOutputStream} class. */ |
| public NullOutputStreamTest(String name) { |
| super(name); |
| } |
| |
| protected void setUp() throws Exception { |
| out = new NullOutputStream(); |
| } |
| |
| public void testClosing() { |
| try { |
| out.close(); |
| } catch (IOException ex) { |
| fail("Should not throw an exception on close: " + ex.getMessage()); |
| } |
| try { |
| out.write(1); |
| fail("Should not be able to write to a closed stream"); |
| } catch (IOException ignore) {} |
| try { |
| out.flush(); |
| fail("Should not be able to flush a closed stream"); |
| } catch (IOException ignore) {} |
| try { |
| out.close(); |
| fail("Should not be able to close a closed stream"); |
| } catch (IOException ignore) {} |
| } |
| |
| public void testFlush() { |
| try { |
| out.flush(); |
| } catch (IOException ex) { |
| fail("Should not throw an exception on flush: " + ex.getMessage()); |
| } |
| } |
| |
| public void testWriting() { |
| try { |
| byte[] array = new byte[]{(byte)0, (byte)1, (byte)2}; |
| out.write(1); |
| out.write(array); |
| out.write(array, 1, 1); |
| } catch (IOException ex) { |
| fail("Should not throw an exception on writing: " + ex.getMessage()); |
| } |
| } |
| |
| /** The {@link NullOutputStream} we're testing. */ |
| private NullOutputStream out; |
| |
| } |
| |