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.core.NumberAssert; 020 import org.fest.assertions.internal.Bytes; 021 import org.fest.util.ComparatorBasedComparisonStrategy; 022 import org.fest.util.VisibleForTesting; 023 024 /** 025 * Assertion methods for bytes. 026 * <p> 027 * To create an instance of this class, invoke <code>{@link Assertions#assertThat(Byte)}</code> or 028 * <code>{@link Assertions#assertThat(byte)}</code>. 029 * </p> 030 * 031 * @author Yvonne Wang 032 * @author David DIDIER 033 * @author Ansgar Konermann 034 * @author Alex Ruiz 035 * @author Mikhail Mazursky 036 * @author Nicolas François 037 */ 038 public class ByteAssert extends AbstractComparableAssert<ByteAssert, Byte> implements NumberAssert<Byte> { 039 040 @VisibleForTesting Bytes bytes = Bytes.instance(); 041 042 protected ByteAssert(Byte actual) { 043 super(actual, ByteAssert.class); 044 } 045 046 /** 047 * Verifies that the actual value is equal to the given one. 048 * @param expected the given value to compare the actual value to. 049 * @return {@code this} assertion object. 050 * @throws AssertionError if the actual value is {@code null}. 051 * @throws AssertionError if the actual value is not equal to the given one. 052 */ 053 public ByteAssert isEqualTo(byte expected) { 054 bytes.assertEqual(info, actual, expected); 055 return this; 056 } 057 058 /** 059 * Verifies that the actual value is not equal to the given one. 060 * @param other the given value to compare the actual value to. 061 * @return {@code this} assertion object. 062 * @throws AssertionError if the actual value is {@code null}. 063 * @throws AssertionError if the actual value is equal to the given one. 064 */ 065 public ByteAssert isNotEqualTo(byte other) { 066 bytes.assertNotEqual(info, actual, other); 067 return this; 068 } 069 070 /** {@inheritDoc} */ 071 public ByteAssert isZero() { 072 bytes.assertIsZero(info, actual); 073 return this; 074 } 075 076 /** {@inheritDoc} */ 077 public ByteAssert isNotZero() { 078 bytes.assertIsNotZero(info, actual); 079 return this; 080 } 081 082 /** {@inheritDoc} */ 083 public ByteAssert isPositive() { 084 bytes.assertIsPositive(info, actual); 085 return this; 086 } 087 088 /** {@inheritDoc} */ 089 public ByteAssert isNegative() { 090 bytes.assertIsNegative(info, actual); 091 return this; 092 } 093 094 /** {@inheritDoc} */ 095 public ByteAssert isNotNegative(){ 096 bytes.assertIsNotNegative(info, actual); 097 return this; 098 } 099 100 /** {@inheritDoc} */ 101 public ByteAssert isNotPositive(){ 102 bytes.assertIsNotPositive(info, actual); 103 return this; 104 } 105 106 107 /** 108 * Verifies that the actual value is less than the given one. 109 * @param other the given value to compare the actual value to. 110 * @return {@code this} assertion object. 111 * @throws AssertionError if the actual value is {@code null}. 112 * @throws AssertionError if the actual value is equal to or greater than the given one. 113 */ 114 public ByteAssert isLessThan(byte other) { 115 bytes.assertLessThan(info, actual, other); 116 return this; 117 } 118 119 /** 120 * Verifies that the actual value is less than or equal to the given one. 121 * @param other the given value to compare the actual value to. 122 * @return {@code this} assertion object. 123 * @throws AssertionError if the actual value is {@code null}. 124 * @throws AssertionError if the actual value is greater than the given one. 125 */ 126 public ByteAssert isLessThanOrEqualTo(byte other) { 127 bytes.assertLessThanOrEqualTo(info, actual, other); 128 return this; 129 } 130 131 /** 132 * Verifies that the actual value is greater than the given one. 133 * @param other the given value to compare the actual value to. 134 * @return {@code this} assertion object. 135 * @throws AssertionError if the actual value is {@code null}. 136 * @throws AssertionError if the actual value is equal to or less than the given one. 137 */ 138 public ByteAssert isGreaterThan(byte other) { 139 bytes.assertGreaterThan(info, actual, other); 140 return this; 141 } 142 143 /** 144 * Verifies that the actual value is greater than or equal to the given one. 145 * @param other the given value to compare the actual value to. 146 * @return {@code this} assertion object. 147 * @throws AssertionError if the actual value is {@code null}. 148 * @throws AssertionError if the actual value is less than the given one. 149 */ 150 public ByteAssert isGreaterThanOrEqualTo(byte other) { 151 bytes.assertGreaterThanOrEqualTo(info, actual, other); 152 return this; 153 } 154 155 @Override 156 public ByteAssert usingComparator(Comparator<? super Byte> customComparator) { 157 super.usingComparator(customComparator); 158 this.bytes = new Bytes(new ComparatorBasedComparisonStrategy(customComparator)); 159 return myself; 160 } 161 162 @Override 163 public ByteAssert usingDefaultComparator() { 164 super.usingDefaultComparator(); 165 this.bytes = Bytes.instance(); 166 return myself; 167 } 168 }