content: /*
   * Created on May 6, 2007
   *
   * 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 @2007-2013 the original author or authors.
   */
  package org.fest.swing.image;
  
  import java.awt.image.BufferedImage;
  
  import org.junit.Before;
  import org.junit.Test;
  
  /**
   * Tests for {@link ScreenshotTaker#saveImage(BufferedImage, String)}.
   *
   * @author Alex Ruiz
   * @author Yvonne Wang
   */
  public class ScreenshotTaker_saveImage_withInvalidInput_Test {
    private static final BufferedImage NO_IMAGE = null;
    private ScreenshotTaker taker;
  
    @Before
    public void setUp() {
      taker = new ScreenshotTaker();
    }
  
    @Test(expected = NullPointerException.class)
    public void should_throw_error_if_file_path_is_null() {
      taker.saveImage(NO_IMAGE, null);
    }
  
    @Test(expected = IllegalArgumentException.class)
    public void should_throw_error_if_file_path_is_empty_String() {
      taker.saveImage(NO_IMAGE, "");
    }
  
    @Test(expected = IllegalArgumentException.class)
    public void should_throw_error_if_file_path_does_not_end_with_png() {
      taker.saveImage(NO_IMAGE, "somePathWithoutPng");
    }
  }
  