@@ -0,0 +1,1726 @@
+/*%0A * Copyright (C) 2014 Pedro Vicente G%C3%B3mez S%C3%A1nchez.%0A *%0A * Licensed under the Apache License, Version 2.0 (the %22License%22);%0A * you may not use this file except in compliance with the License.%0A * You may obtain a copy of the License at%0A *%0A * http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0Apackage com.github.pedrovgs.problem56;%0A%0Aimport org.junit.Before;%0Aimport org.junit.Test;%0A%0Aimport static org.junit.Assert.assertFalse;%0Aimport static org.junit.Assert.assertTrue;%0A%0A/**%0A * @author Pedro Vicente G%C3%B3mez S%C3%A1nchez.%0A */%0Apublic class IsRotationUsingIsSubstringTest %7B%0A%0A  private IsRotationUsingIsSubstring isRotation;%0A%0A  @Before public void setUp() %7B%0A    isRotation = new IsRotationUsingIsSubstring();%0A  %7D%0A%0A  @Test(expected = IllegalArgumentException.class)%0A  public void shouldNotAcceptNullInstancesAsFirstParameter() %7B%0A    isRotation.check(null, %22%22);%0A  %7D%0A%0A  @Test(expected = IllegalArgumentException.class)%0A  public void shouldNotAcceptNullInstancesAsSecondParameter() %7B%0A    isRotation.check(%22%22, null);%0A  %7D%0A%0A  @Test public void shouldReturnFalseIfS2IsNotRotationOfS1() %7B%0A    String s1 = %22waterbottle%22;%0A    String s2 = %22pedro%22;%0A%0A    boolean result = isRotation.check(s1, s2);%0A%0A    assertFalse(result);%0A  %7D%0A%0A  @Test public void shouldReturnTrueIfS2IsNotRotationOfS1() %7B%0A    String s1 = %22waterbottle%22;%0A    String s2 = %22erbottlewat%22;%0A%0A    boolean result = isRotation.check(s1, s2);%0A%0A    assertTrue(result);%0A  %7D%0A%7D%0A

Add some tests to problem 56