/*
    * 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
    *
   *   https://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.compress.harmony.unpack200.bytecode;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import org.apache.commons.compress.harmony.unpack200.Segment;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  class ConstantPoolTest {
  
      private ClassConstantPool pool;
  
      @BeforeEach
      public void setUp() {
          pool = new ClassConstantPool();
      }
  
      @Test
      void testDuplicateField() {
          final CPMember cp1 = new CPMember(new CPUTF8("name", 1), new CPUTF8("I", 2), 0, null);
          pool.add(cp1);
          pool.addNestedEntries();
          assertEquals(2, pool.size());
          final CPMember cp2 = new CPMember(new CPUTF8("name", 1), new CPUTF8("I", 2), 0, null);
          pool.add(cp2);
          pool.addNestedEntries();
          assertEquals(2, pool.size());
      }
  
      @Test
      void testDuplicateUTF8() {
          final CPUTF8 u1 = new CPUTF8("thing", 1);
          final CPUTF8 u2 = new CPUTF8("thing", 1);
          pool.add(u1);
          pool.add(u2);
          assertEquals(1, pool.size());
      }
  
      @Test
      void testEntries() {
          pool.add(new CPClass(new CPUTF8("RandomClass", 1), 10));
          pool.add(new CPClass(new CPUTF8("RandomClass2", 2), 20));
          assertEquals(2, pool.entries().size());
      }
  
      @Test
      void testIndex() {
          pool.add(new CPUTF8("OtherThing", 1));
          final CPUTF8 u1 = new CPUTF8("thing", 2);
          pool.add(u1);
          pool.resolve(new Segment());
          assertTrue(pool.indexOf(u1) > 0);
      }
  }