/*
    * 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.text.translate;
  
  import static org.assertj.core.api.Assertions.assertThat;
  
  import java.io.IOException;
  import java.io.StringWriter;
  import java.util.HashMap;
  import java.util.Map;
  
  import org.junit.jupiter.api.Test;
  
  /**
   * Tests {@link AggregateTranslator}.
   */
  public class AggregateTranslatorTest {
  
      @Test
      public void testNonNull() throws IOException {
          final Map<CharSequence, CharSequence> oneTwoMap = new HashMap<>();
          oneTwoMap.put("one", "two");
          final Map<CharSequence, CharSequence> threeFourMap = new HashMap<>();
          threeFourMap.put("three", "four");
          final CharSequenceTranslator translator1 = new LookupTranslator(oneTwoMap);
          final CharSequenceTranslator translator2 = new LookupTranslator(threeFourMap);
          final AggregateTranslator subject = new AggregateTranslator(translator1, translator2);
          final StringWriter out1 = new StringWriter();
          final int result1 = subject.translate(new StringBuffer("one"), 0, out1);
          assertThat(result1).as("Incorrect code point consumption").isEqualTo(3);
          assertThat(out1.toString()).as("Incorrect value").isEqualTo("two");
          final StringWriter out2 = new StringWriter();
          final int result2 = subject.translate(new StringBuffer("three"), 0, out2);
          assertThat(result2).as("Incorrect code point consumption").isEqualTo(5);
          assertThat(out2.toString()).as("Incorrect value").isEqualTo("four");
      }
  
      @Test
      public void testNullConstructor() {
          final String testString = "foo";
          final AggregateTranslator subject = new AggregateTranslator((CharSequenceTranslator[]) null);
          assertThat(subject.translate(testString)).isEqualTo(testString);
      }
  
      @Test
      public void testNullVarargConstructor() {
          final String testString = "foo";
          final AggregateTranslator subject = new AggregateTranslator((CharSequenceTranslator) null);
          assertThat(subject.translate(testString)).isEqualTo(testString);
      }
  
  }