| /* |
| * 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.output; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertFalse; |
| import static org.junit.jupiter.api.Assertions.assertThrows; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| import org.junit.jupiter.api.BeforeEach; |
| import org.junit.jupiter.api.Test; |
| |
| /** |
| * JUnit Test Case for {@link CloseShieldOutputStream}. |
| */ |
| public class CloseShieldOutputStreamTest { |
| |
| private ByteArrayOutputStream original; |
| |
| private OutputStream shielded; |
| |
| private boolean closed; |
| |
| @BeforeEach |
| public void setUp() { |
| original = new ByteArrayOutputStream() { |
| @Override |
| public void close() { |
| closed = true; |
| } |
| }; |
| shielded = CloseShieldOutputStream.wrap(original); |
| closed = false; |
| } |
| |
| @Test |
| public void testClose() throws IOException { |
| shielded.close(); |
| assertFalse(closed, "closed"); |
| assertThrows(IOException.class, () -> shielded.write('x'), "write(b)"); |
| original.write('y'); |
| assertEquals(1, original.size()); |
| assertEquals('y', original.toByteArray()[0]); |
| } |
| |
| } |