/*
    * 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 org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  /**
   * Tests {@link AppendableWriter}.
   */
  public class AppendableWriterTest {
  
      private AppendableWriter<StringBuilder> out;
  
      @BeforeEach
      public void setUp() {
          out = new AppendableWriter<>(new StringBuilder());
      }
  
      @SuppressWarnings("resource")
      @Test
      public void testAppendChar() throws Exception {
          out.append('F');
  
          assertEquals("F", out.getAppendable().toString());
      }
  
      @SuppressWarnings("resource")
      @Test
      public void testAppendCharSequence() throws Exception {
          final String testData = "ABCD";
  
          out.append(testData);
          out.append(null);
  
          assertEquals(testData + "null", out.getAppendable().toString());
      }
  
      @SuppressWarnings("resource")
      @Test
      public void testAppendSubSequence() throws Exception {
          final String testData = "ABCD";
  
          out.append(testData, 1, 3);
          out.append(null, 1, 3);
  
          assertEquals(testData.substring(1, 3) + "ul", out.getAppendable().toString());
      }
  
      @Test
      public void testWriteChars() throws Exception {
          final String testData = "ABCD";
  
          out.write(testData.toCharArray());
  
          assertEquals(testData, out.getAppendable().toString());
      }
  
      @Test
      public void testWriteInt() throws Exception {
          out.write('F');
  
          assertEquals("F", out.getAppendable().toString());
      }
  
      @Test
      public void testWriteString() throws Exception {
          final String testData = "ABCD";
  
          out.write(testData);
  
          assertEquals(testData, out.getAppendable().toString());
      }
  }