/*
    * 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.collections4;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.util.EmptyStackException;
  
  import org.junit.jupiter.api.Test;
  
  /**
   * Tests ArrayStack.
   */
  @SuppressWarnings("deprecation") // we test a deprecated class
  public class ArrayStackTest<E> extends AbstractArrayListTest<E> {
  
      @Override
      public String getCompatibilityVersion() {
          return "4";
      }
  
      @Override
      public ArrayStack<E> makeObject() {
          return new ArrayStack<>();
      }
  
      @Test
      public void testNewStack() {
          final ArrayStack<E> stack = makeObject();
          assertTrue(stack.empty(), "New stack is empty");
          assertEquals(0, stack.size(), "New stack has size zero");
  
          assertThrows(EmptyStackException.class, () -> stack.peek());
  
          assertThrows(EmptyStackException.class, () -> stack.pop());
      }
  
      @Test
      @SuppressWarnings("unchecked")
      public void testPushPeekPop() {
          final ArrayStack<E> stack = makeObject();
  
          stack.push((E) "First Item");
          assertFalse(stack.empty(), "Stack is not empty");
          assertEquals(1, stack.size(), "Stack size is one");
          assertEquals("First Item", stack.peek(),
                  "Top item is 'First Item'");
          assertEquals(1, stack.size(), "Stack size is one");
  
          stack.push((E) "Second Item");
          assertEquals(2, stack.size(), "Stack size is two");
          assertEquals("Second Item", stack.peek(),
                  "Top item is 'Second Item'");
          assertEquals(2, stack.size(), "Stack size is two");
  
          assertEquals("Second Item", stack.pop(),
                  "Popped item is 'Second Item'");
          assertEquals("First Item", stack.peek(),
                  "Top item is 'First Item'");
          assertEquals(1, stack.size(), "Stack size is one");
  
          assertEquals("First Item", stack.pop(),
                  "Popped item is 'First Item'");
          assertEquals(0, stack.size(), "Stack size is zero");
      }
  
      @Test
      @Override
      @SuppressWarnings("unchecked")
      public void testSearch() {
          final ArrayStack<E> stack = makeObject();
  
          stack.push((E) "First Item");
          stack.push((E) "Second Item");
          assertEquals(1, stack.search("Second Item"),
                  "Top item is 'Second Item'");
          assertEquals(2, stack.search("First Item"),
                  "Next Item is 'First Item'");
          assertEquals(-1, stack.search("Missing Item"),
                  "Cannot find 'Missing Item'");
      }
  
 //    public void testCreate() throws Exception {
 //        resetEmpty();
 //        writeExternalFormToDisk((java.io.Serializable) getCollection(), "src/test/resources/data/test/ArrayStack.emptyCollection.version4.obj");
 //        resetFull();
 //        writeExternalFormToDisk((java.io.Serializable) getCollection(), "src/test/resources/data/test/ArrayStack.fullCollection.version4.obj");
 //    }
 
 }