001    /*
002     * Created on Feb 18, 2012
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 @2012 the original author or authors.
014     */
015    package org.fest.assertions.error;
016    
017    import org.fest.util.ComparisonStrategy;
018    import org.fest.util.StandardComparisonStrategy;
019    
020    /**
021     * Creates an error message indicating that an assertion that verifies that an <code>Iterable</code> is
022     * a subset of an other set <code>Iterable</code> failed.
023     * 
024     * @author Maciej Jaskowski
025     */
026    public class ShouldBeSubsetOf extends BasicErrorMessageFactory {
027    
028      /**
029       * Creates a new <code>{@link ShouldBeSubsetOf}</code>
030       * @param actual the actual set
031       * @param values the expected superset
032       * @param comparisonStrategy the <code>{@link ComparisonStrategy}</code> used
033       * @return the created <code>{@link ErrorMessageFactory}</code>
034       */
035      public static ErrorMessageFactory shouldBeSubsetOf(Object actual, Object values, Iterable<?> unexpected, ComparisonStrategy comparisonStrategy) {
036        return new ShouldBeSubsetOf(actual, values, unexpected, comparisonStrategy);
037      }
038      
039      /**
040       * Creates a new <code>{@link ShouldBeSubsetOf}</code>.
041       * @param actual the actual set
042       * @param values the expected superset
043       * @return the created {@code ErrorMessageFactory}.
044       */
045      public static ErrorMessageFactory shouldBeSubsetOf(Object actual, Object values, Iterable<?> unexpected) {
046        return new ShouldBeSubsetOf(actual, values, unexpected, StandardComparisonStrategy.instance());
047      }
048    
049      private ShouldBeSubsetOf(Object actual, Object values, Iterable<?> unexpected, ComparisonStrategy comparisonStrategy) {
050        super("expecting%s:\n<%s>\n to be subset of\n<%s>\n but found those extra elements:\n<%s>", comparisonStrategy, actual, values, unexpected);
051      }
052    }