content: /*
   * Created on Jul 29, 2009
   * 
   * Licensed 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.
   * 
   * Copyright @2009-2013 the original author or authors.
   */
  package org.fest.swing.util;
  
  import static org.fest.assertions.Assertions.assertThat;
  
  import org.junit.Test;
  
  /**
   * Tests for {@link Arrays#copyOf(int[])}.
   * 
   * @author Alex Ruiz
   */
  public class Arrays_copyOfIntArray_Test {
    @Test(expected = NullPointerException.class)
    public void should_throw_error_if_array_to_copy_is_null() {
      int[] original = null;
      Arrays.copyOf(original);
    }
  
    @Test
    public void should_return_empty_array_if_array_to_copy_is_emtpy() {
      assertThat(Arrays.copyOf(new int[0])).isEmpty();
    }
  
    @Test
    public void should_return_copy_of_array() {
      int[] original = { 1, 2, 3 };
      int[] copy = Arrays.copyOf(original);
      assertThat(copy).isEqualTo(original).isNotSameAs(original);
    }
  }
  