001 /* 002 * Created on Oct 21, 2010 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 @2010-2011 the original author or authors. 014 */ 015 package org.fest.assertions.api; 016 017 import java.util.Comparator; 018 019 import org.fest.assertions.internal.Booleans; 020 import org.fest.util.VisibleForTesting; 021 022 /** 023 * Assertion methods for bytes. 024 * <p> 025 * To create an instance of this class, invoke <code>{@link Assertions#assertThat(Boolean)}</code> or 026 * <code>{@link Assertions#assertThat(boolean)}</code>. 027 * </p> 028 * 029 * @author Alex Ruiz 030 * @author Yvonne Wang 031 * @author David DIDIER 032 * @author Ansgar Konermann 033 * @author Mikhail Mazursky 034 */ 035 public class BooleanAssert extends AbstractAssert<BooleanAssert, Boolean> { 036 037 @VisibleForTesting 038 Booleans booleans = Booleans.instance(); 039 040 protected BooleanAssert(Boolean actual) { 041 super(actual, BooleanAssert.class); 042 } 043 044 /** 045 * Verifies that the actual value is {@code true}. 046 * @return {@code this} assertion object. 047 * @throws AssertionError if the actual value is {@code null}. 048 * @throws AssertionError if the actual value is not {@code true}. 049 */ 050 public BooleanAssert isTrue() { 051 return isEqualTo(true); 052 } 053 054 /** 055 * Verifies that the actual value is {@code false}. 056 * @return {@code this} assertion object. 057 * @throws AssertionError if the actual value is {@code null}. 058 * @throws AssertionError if the actual value is not {@code false}. 059 */ 060 public BooleanAssert isFalse() { 061 return isEqualTo(false); 062 } 063 064 /** 065 * Verifies that the actual value is equal to the given one. 066 * @param expected the given value to compare the actual value to. 067 * @return {@code this} assertion object. 068 * @throws AssertionError if the actual value is {@code null}. 069 * @throws AssertionError if the actual value is not equal to the given one. 070 */ 071 public BooleanAssert isEqualTo(boolean expected) { 072 booleans.assertEqual(info, actual, expected); 073 return this; 074 } 075 076 /** 077 * Verifies that the actual value is not equal to the given one. 078 * @param other the given value to compare the actual value to. 079 * @return {@code this} assertion object. 080 * @throws AssertionError if the actual value is {@code null}. 081 * @throws AssertionError if the actual value is equal to the given one. 082 */ 083 public BooleanAssert isNotEqualTo(boolean other) { 084 booleans.assertNotEqual(info, actual, other); 085 return this; 086 } 087 088 @Override 089 public BooleanAssert usingComparator(Comparator<? super Boolean> customComparator) { 090 throw new UnsupportedOperationException("custom Comparator is not supported for Boolean comparison"); 091 } 092 }