001 /*
002 * Created on Jan 24, 2011
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
005 * the License. You may obtain a copy of the License at
006 *
007 * http://www.apache.org/licenses/LICENSE-2.0
008 *
009 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
010 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
011 * specific language governing permissions and limitations under the License.
012 *
013 * Copyright @2011 the original author or authors.
014 */
015 package org.fest.assertions.error;
016
017 import org.fest.assertions.description.Description;
018
019 /**
020 * Creates an error message that indicates an assertion that verifies that two images should not be {@code null} failed.
021 *
022 * @author Yvonne Wang
023 */
024 public class ShouldNotBeEqualImages implements ErrorMessageFactory {
025
026 private static final ShouldNotBeEqualImages INSTANCE = new ShouldNotBeEqualImages();
027
028 /**
029 * Returns the singleton instance of this class.
030 * @return the singleton instance of this class.
031 */
032 public static ErrorMessageFactory shouldNotBeEqualImages() {
033 return INSTANCE;
034 }
035
036 private ShouldNotBeEqualImages() {}
037
038 /** {@inheritDoc} */
039 public String create(Description d) {
040 return MessageFormatter.instance().format(d, "expecting images not to be equal");
041 }
042 }