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.assertEquals; 20 21 import org.junit.jupiter.api.BeforeEach; 22 import org.junit.jupiter.api.Test; 23 24 /** 25 * Tests {@link AppendableOutputStream}. 26 */ 27 public class AppendableOutputStreamTest { 28 29 private AppendableOutputStream<StringBuilder> out; 30 31 @BeforeEach 32 public void setUp() { 33 out = new AppendableOutputStream<>(new StringBuilder()); 34 } 35 36 @Test 37 public void testWriteInt() throws Exception { 38 out.write('F'); 39 40 assertEquals("F", out.getAppendable().toString()); 41 } 42 43 @Test 44 public void testWriteStringBuilder() throws Exception { 45 final String testData = "ABCD"; 46 47 out.write(testData.getBytes()); 48 49 assertEquals(testData, out.getAppendable().toString()); 50 } 51 }