001    /*
002     * Created on Feb 8, 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.api;
016    
017    import java.math.BigDecimal;
018    import java.util.Comparator;
019    
020    import org.fest.assertions.core.NumberAssert;
021    import org.fest.assertions.internal.BigDecimals;
022    import org.fest.util.*;
023    
024    /**
025     * Assertion methods for <code>{@link BigDecimal}</code>s.
026     * <p>
027     * To create an instance of this class, invoke <code>{@link Assertions#assertThat(BigDecimal)}</code>.
028     * </p>
029     *
030     * @author David DIDIER
031     * @author Ted M. Young
032     * @author Yvonne Wang
033     * @author Alex Ruiz
034     * @author Joel Costigliola
035     */
036    public class BigDecimalAssert extends AbstractUnevenComparableAssert<BigDecimalAssert, BigDecimal> implements
037        NumberAssert<BigDecimal> {
038    
039      @VisibleForTesting BigDecimals bigDecimals = BigDecimals.instance();
040    
041      protected BigDecimalAssert(BigDecimal actual) {
042        super(actual, BigDecimalAssert.class);
043      }
044    
045      /** {@inheritDoc} */
046      public BigDecimalAssert isZero() {
047        bigDecimals.assertIsZero(info, actual);
048        return myself;
049      }
050    
051      /** {@inheritDoc} */
052      public BigDecimalAssert isNotZero() {
053        bigDecimals.assertIsNotZero(info, actual);
054        return myself;
055      }
056    
057      /** {@inheritDoc} */
058      public BigDecimalAssert isPositive() {
059        bigDecimals.assertIsPositive(info, actual);
060        return myself;
061      }
062    
063      /** {@inheritDoc} */
064      public BigDecimalAssert isNegative() {
065        bigDecimals.assertIsNegative(info, actual);
066        return myself;
067      }
068    
069      @Override
070      public BigDecimalAssert usingComparator(Comparator<?> customComparator) {
071        super.usingComparator(customComparator);
072        this.bigDecimals = new BigDecimals(new ComparatorBasedComparisonStrategy(customComparator));
073        return myself;
074      }
075      
076      @Override
077      public BigDecimalAssert usingDefaultComparator() {
078        super.usingDefaultComparator();
079        this.bigDecimals = BigDecimals.instance();
080        return myself;
081      }
082    }