1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.apache.commons.io.output; 18 19 import static org.junit.jupiter.api.Assertions.assertThrows; 20 21 import java.io.IOException; 22 23 import org.junit.jupiter.api.Test; 24 25 /** 26 * Tests {@link ClosedWriter}. 27 */ 28 public class ClosedWriterTest { 29 30 /** 31 * Test the {@code flush()} method. 32 */ 33 @Test 34 public void testFlush() throws IOException { 35 try (ClosedWriter cw = new ClosedWriter()) { 36 assertThrows(IOException.class, () -> cw.flush()); 37 } 38 } 39 40 /** 41 * Test the {@code write(cbuf, off, len)} method. 42 */ 43 @Test 44 public void testWrite() throws IOException { 45 try (ClosedWriter cw = new ClosedWriter()) { 46 assertThrows(IOException.class, () -> cw.write(new char[0], 0, 0)); 47 } 48 } 49 50 }