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/*
* Copyright (c) 2015 Google, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.common.truth;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.truth.Fact.fact;
import static com.google.common.truth.Fact.simpleFact;
import java.math.BigDecimal;
import org.checkerframework.checker.nullness.qual.Nullable;
/**
* Propositions for {@link BigDecimal} typed subjects.
*
* @author Kurt Alfred Kluever
*/
public final class BigDecimalSubject extends ComparableSubject<BigDecimal> {
private final @Nullable BigDecimal actual;
BigDecimalSubject(FailureMetadata metadata, @Nullable BigDecimal actual) {
super(metadata, actual);
this.actual = actual;
}
/**
* Fails if the subject's value is not equal to the value of the given {@link BigDecimal}. (i.e.,
* fails if {@code actual.comparesTo(expected) != 0}).
*
* <p><b>Note:</b> The scale of the BigDecimal is ignored. If you want to compare the values and
* the scales, use {@link #isEqualTo(Object)}.
*/
public void isEqualToIgnoringScale(BigDecimal expected) {
compareValues(expected);
}
/**
* Fails if the subject's value is not equal to the value of the {@link BigDecimal} created from
* the expected string (i.e., fails if {@code actual.comparesTo(new BigDecimal(expected)) != 0}).
*
* <p><b>Note:</b> The scale of the BigDecimal is ignored. If you want to compare the values and
* the scales, use {@link #isEqualTo(Object)}.
*/
public void isEqualToIgnoringScale(String expected) {
compareValues(new BigDecimal(expected));
}
/**
* Fails if the subject's value is not equal to the value of the {@link BigDecimal} created from
* the expected {@code long} (i.e., fails if {@code actual.comparesTo(new BigDecimal(expected)) !=
* 0}).
*
* <p><b>Note:</b> The scale of the BigDecimal is ignored. If you want to compare the values and
* the scales, use {@link #isEqualTo(Object)}.
*/
public void isEqualToIgnoringScale(long expected) {
compareValues(new BigDecimal(expected));
}
/**
* Fails if the subject's value and scale is not equal to the given {@link BigDecimal}.
*
* <p><b>Note:</b> If you only want to compare the values of the BigDecimals and not their scales,
* use {@link #isEqualToIgnoringScale(BigDecimal)} instead.
*/
@Override // To express more specific javadoc
public void isEqualTo(@Nullable Object expected) {
super.isEqualTo(expected);
}
/**
* Fails if the subject is not equivalent to the given value according to {@link
* Comparable#compareTo}, (i.e., fails if {@code a.comparesTo(b) != 0}). This method behaves
* identically to (the more clearly named) {@link #isEqualToIgnoringScale(BigDecimal)}.
*
* <p><b>Note:</b> Do not use this method for checking object equality. Instead, use {@link
* #isEqualTo(Object)}.
*/
@Override
public void isEquivalentAccordingToCompareTo(@Nullable BigDecimal expected) {
compareValues(expected);
}
private void compareValues(@Nullable BigDecimal expected) {
if (checkNotNull(actual).compareTo(checkNotNull(expected)) != 0) {
failWithoutActual(fact("expected", expected), butWas(), simpleFact("(scale is ignored)"));
}
}
}
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