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/**
 * 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.
 *
 * Copyright 2012-2016 the original author or authors.
 */
package com.fitbur.assertj.api;

import java.math.BigDecimal;
import java.util.Comparator;

import com.fitbur.assertj.data.Offset;
import com.fitbur.assertj.data.Percentage;
import com.fitbur.assertj.internal.BigDecimals;
import com.fitbur.assertj.internal.ComparatorBasedComparisonStrategy;
import com.fitbur.assertj.util.VisibleForTesting;

/**
 * Base class for all implementations of assertions for {@link BigDecimal}s.
 * 
 * @param  the "self" type of this assertion class. Please read "Emulating 'self types' using Java Generics to simplify fluent API implementation"
 *          for more details.
 * 
 * @author David DIDIER
 * @author Ted M. Young
 * @author Yvonne Wang
 * @author Alex Ruiz
 * @author Joel Costigliola
 * @author Mikhail Mazursky
 */
public abstract class AbstractBigDecimalAssert> extends
    AbstractComparableAssert implements NumberAssert {

  @VisibleForTesting
  BigDecimals bigDecimals = BigDecimals.instance();

  protected AbstractBigDecimalAssert(BigDecimal actual, Class selfType) {
    super(actual, selfType);
  }

  /**
   * {@inheritDoc}
   * 

* Example: *

 // assertion will pass
   * assertThat(BigDecimal.ZERO).isZero();
   * 
   * // assertion will fail
   * assertThat(new BigDecimal("8.00")).isZero();
* *

*/ @Override public S isZero() { bigDecimals.assertIsZero(info, actual); return myself; } /** * {@inheritDoc} *

* Example: *

 // assertion will pass
   * assertThat(new BigDecimal("8.00")).isNotZero();
   * 
   * // assertion will fail
   * assertThat(BigDecimal.ZERO).isNotZero();
* *

*/ @Override public S isNotZero() { bigDecimals.assertIsNotZero(info, actual); return myself; } /** * {@inheritDoc} *

* Example: *

 // assertion will pass
   * assertThat(new BigDecimal("8.0")).isPositive();
   * 
   * // assertion will fail
   * assertThat(new BigDecimal("-8.0")).isPositive();
* *

*/ @Override public S isPositive() { bigDecimals.assertIsPositive(info, actual); return myself; } /** * {@inheritDoc} *

* Example: *

 // assertion will pass
   * assertThat(new BigDecimal("-8.0")).isNegative();
   * 
   * // assertion will fail
   * assertThat(new BigDecimal("8.0")).isNegative();
* *

*/ @Override public S isNegative() { bigDecimals.assertIsNegative(info, actual); return myself; } /** * {@inheritDoc} *

* Example: *

 // assertion will pass
   * assertThat(new BigDecimal("-8.0")).isNotPositive();
   * 
   * // assertion will fail
   * assertThat(new BigDecimal("8.0")).isNotPositive();
* *

*/ @Override public S isNotPositive() { bigDecimals.assertIsNotPositive(info, actual); return myself; } /** * {@inheritDoc} *

* Example: *

 // assertion will pass
   * assertThat(new BigDecimal("8.0")).isNotNegative();
   * 
   * // assertion will fail
   * assertThat(new BigDecimal("-8.0")).isNotNegative();
* *

*/ @Override public S isNotNegative() { bigDecimals.assertIsNotNegative(info, actual); return myself; } /** * Verifies that the actual value is in [start, end] range (start and end included). *

* Example: *

 // assertions will pass
   * assertThat(new BigDecimal("8.0")).isBetween(new BigDecimal("7.0"), new BigDecimal("9.0"));
   * assertThat(new BigDecimal("8.00")).isBetween(new BigDecimal("7.0"), new BigDecimal("9.0"));
   * assertThat(new BigDecimal("8.0")).isBetween(new BigDecimal("8.0"), new BigDecimal("9.0"));
   * assertThat(new BigDecimal("8.0")).isBetween(new BigDecimal("7.0"), new BigDecimal("8.0"));
   * 
   * // assertion will fail
   * assertThat(new BigDecimal("8.0")).isBetween(new BigDecimal("6.0"), new BigDecimal("7.0"));
* * Note that comparison of {@link BigDecimal} is done by value without scale consideration, i.e 2.0 and 2.00 are * considered equal in value (not like {@link BigDecimal#equals(Object)}. *

*/ @Override public S isBetween(BigDecimal start, BigDecimal end) { bigDecimals.assertIsBetween(info, actual, start, end); return myself; } /** * Verifies that the actual value is in ]start, end[ range (start excluded, end excluded). * *

* Example: *

 // assertion will pass
   * assertThat(new BigDecimal("8.0")).isStrictlyBetween(new BigDecimal("7.0"), new BigDecimal("9.0"));
   * 
   * // assertions will fail
   * assertThat(new BigDecimal("8.0")).isStrictlyBetween(new BigDecimal("8.0"), new BigDecimal("9.0"));
   * assertThat(new BigDecimal("8.0")).isStrictlyBetween(new BigDecimal("7.0"), new BigDecimal("8.0"));
* *

*/ @Override public S isStrictlyBetween(BigDecimal start, BigDecimal end) { bigDecimals.assertIsStrictlyBetween(info, actual, start, end); return myself; } /** * Same as {@link AbstractAssert#isEqualTo(Object) isEqualTo(BigDecimal)} but takes care of converting given String to * {@link BigDecimal} for you. *

* Example: *

 // assertion will pass
   * assertThat(new BigDecimal("8.0")).isEqualTo("8.0");
   * 
   * // assertion will fail because 8.00 is not equals to 8.0
   * assertThat(new BigDecimal("8.00")).isEqualTo("8.0");
* *

*/ public S isEqualTo(String expected) { return isEqualTo(new BigDecimal(expected)); } /** * Same as {@link AbstractComparableAssert#isEqualByComparingTo(Comparable) isEqualByComparingTo(BigDecimal)} but * takes care of converting given String to {@link BigDecimal}. *

* Example: *

 // assertions will pass
   * assertThat(new BigDecimal("8.0")).isEqualByComparingTo("8.0");
   * // assertion will pass because 8.0 is equals to 8.00 using {@link BigDecimal#compareTo(Object)}
   * assertThat(new BigDecimal("8.0")).isEqualByComparingTo("8.00");
   * 
   * // assertion will fail
   * assertThat(new BigDecimal("8.0")).isEqualByComparingTo("2.0");
*/ public S isEqualByComparingTo(String expected) { return isEqualByComparingTo(new BigDecimal(expected)); } /** * Same as {@link AbstractComparableAssert#isNotEqualByComparingTo(Comparable) isNotEqualByComparingTo(BigDecimal)} but * takes care of converting given String to {@link BigDecimal}. *

* Example: *

 // assertions will pass
   * assertThat(new BigDecimal("8.0")).isNotEqualByComparingTo("7.99");
   *
   * // assertion will fail
   * assertThat(new BigDecimal("8.0")).isNotEqualByComparingTo("8.00");
*/ public S isNotEqualByComparingTo(String expected) { return isNotEqualByComparingTo(new BigDecimal(expected)); } @Override public S usingComparator(Comparator customComparator) { super.usingComparator(customComparator); this.bigDecimals = new BigDecimals(new ComparatorBasedComparisonStrategy(customComparator)); return myself; } @Override public S usingDefaultComparator() { super.usingDefaultComparator(); this.bigDecimals = BigDecimals.instance(); return myself; } /** * Verifies that the actual number is close to the given one within the given offset.
* If difference is equal to offset value, assertion is considered valid. *

* Example: *

 final BigDecimal actual = new BigDecimal("8.1");
   * final BigDecimal other =  new BigDecimal("8.0");
   *
   * // valid assertion
   * assertThat(actual).isCloseTo(other, within(new BigDecimal("0.2")));
   *
   * // if difference is exactly equals to given offset value, it's ok
   * assertThat(actual).isCloseTo(other, within(new BigDecimal("0.1")));
   *
   * // BidDecimal format has no impact on the assertion, this assertion is valid:
   * assertThat(actual).isCloseTo(new BigDecimal("8.00"), within(new BigDecimal("0.100")));
   *
   * // but if difference is greater than given offset value assertion will fail :
   * assertThat(actual).isCloseTo(other, within(new BigDecimal("0.01")));
*/ @Override public S isCloseTo(final BigDecimal other, final Offset offset) { bigDecimals.assertIsCloseTo(info, actual, other, offset); return myself; } /** * Verifies that the actual number is close to the given one within the given percentage.
* If difference is equal to the percentage value, assertion is considered valid. *

* Example with BigDecimal: *

 // assertions will pass:
   * assertThat(BigDecimal.valueOf(11.0)).isCloseTo(BigDecimal.valueOf(10.0), withinPercentage(BigDecimal.valueOf(20d)));
   *
   * // if difference is exactly equals to the computed offset (1.0), it's ok
   * assertThat(BigDecimal.valueOf(11.0)).isCloseTo(BigDecimal.valueOf(10.0), withinPercentage(BigDecimal.valueOf(10d)));
   *
   * // assertion will fail
   * assertThat(BigDecimal.valueOf(11.0)).isCloseTo(BigDecimal.valueOf(10.0), withinPercentage(BigDecimal.valueOf(5d)));
* * @param expected the given number to compare the actual value to. * @param percentage the given positive percentage. * @return {@code this} assertion object. * @throws NullPointerException if the given offset is {@code null}. * @throws NullPointerException if the expected number is {@code null}. * @throws AssertionError if the actual value is not equal to the given one. */ @Override public S isCloseTo(BigDecimal expected, Percentage percentage) { bigDecimals.assertIsCloseToPercentage(info, actual, expected, percentage); return myself; } }