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How to use isWithinPrecision method of org.assertj.core.api.ComparatorFactory class

Best Assertj code snippet using org.assertj.core.api.ComparatorFactory.isWithinPrecision

Source:ComparatorFactory.java

...29        if (Doubles.instance().isNanOrInfinite(double1) || Doubles.instance().isNanOrInfinite(double2)) {30          return Double.compare(double1, double2);31        }32        // if floats are close enough they are considered equal, otherwise we compare as BigDecimal which does exact computation.33        return isWithinPrecision(double1, double2, precision) ? 0 : asBigDecimal(double1).compareTo(asBigDecimal(double2));34      }35      @Override36      public String toString() {37        return "double comparator at precision " + precision + " (values are considered equal if diff == precision)";38      }39    };40  }41  public Comparator<Float> floatComparatorWithPrecision(float precision) {42    // can't use <> with anonymous class in java 843    return new Comparator<Float>() {44      @Override45      public int compare(Float float1, Float float2) {46        Floats floats = Floats.instance();47        if (floats.isNanOrInfinite(precision)) {48          throw new IllegalArgumentException("Precision should not be Nan or Infinity!");49        }50        // handle NAN or Infinity cases with Java Float behavior (and not BigDecimal that are used afterwards)51        if (floats.isNanOrInfinite(float1) || floats.isNanOrInfinite(float2)) {52          return Float.compare(float1, float2);53        }54        // if floats are close enough they are considered equal, otherwise we compare as BigDecimal which does exact computation.55        return isWithinPrecision(float1, float2, precision) ? 0 : asBigDecimal(float1).compareTo(asBigDecimal(float2));56      }57      @Override58      public String toString() {59        return "float comparator at precision " + precision + " (values are considered equal if diff == precision)";60      }61    };62  }63  /**64   * Convert to a precise BigDecimal object using an intermediate String.65   *66   * @param <T> type of expected and precision, which should be the subclass of java.lang.Number and java.lang.Comparable67   * @param number the Number to convert68   * @return the built BigDecimal69   */70  private static <T extends Number> BigDecimal asBigDecimal(T number) {71    return new BigDecimal(String.valueOf(number));72  }73  /**74   * Returns true if the abs(expected - precision) is &lt;= precision, false otherwise.75   * @param actual    the actual value76   * @param expected  the expected value77   * @param precision the acceptable precision78   *79   * @param <T> type of number to compare including the precision80   * @return whether true if the abs(expected - precision) is &lt;= precision, false otherwise.81   */82  private static <T extends Number> boolean isWithinPrecision(T actual, T expected, T precision) {83    BigDecimal expectedBigDecimal = asBigDecimal(expected);84    BigDecimal actualBigDecimal = asBigDecimal(actual);85    BigDecimal absDifference = expectedBigDecimal.subtract(actualBigDecimal).abs();86    BigDecimal precisionAsBigDecimal = asBigDecimal(precision);87    return absDifference.compareTo(precisionAsBigDecimal) <= 0;88  }89}...

isWithinPrecision

Using AI Code Generation

1import static org.assertj.core.api.Assertions.*;2import static org.assertj.core.api.ComparatorFactory.*;3import java.math.BigDecimal;4import java.util.Comparator;5import org.junit.Test;6public class AssertJBigDecimalTest {7	public void whenAssertingBigDecimalPrecision_thenCorrect() {8		BigDecimal one = new BigDecimal("1.00");

isWithinPrecision

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.api.ComparatorFactory;3import org.assertj.core.data.Offset;4import org.junit.Test;5public class AssertJTest {6    public void testAssert() {7        Assertions.assertThat(0.3 - 0.2).isWithin(0.1);8        Assertions.assertThat(0.3 - 0.2).isWithin(0.01);9        Assertions.assertThat(0.3 - 0.2).isWithin(0.001);10        Assertions.assertThat(0.3 - 0.2).isWithin(0.0001);11        Assertions.assertThat(0.3 - 0.2).isWithin(0.00001);12        Assertions.assertThat(0.3 - 0.2).isWithin(0.000001);13        Assertions.assertThat(0.3 - 0.2).isWithin(0.0000001);14        Assertions.assertThat(0.3 - 0.2).isWithin(0.00000001);15        Assertions.assertThat(0.3 - 0.2).isWithin(0.000000001);16        Assertions.assertThat(0.3 - 0.2).isWithin(0.0000000001);17        Assertions.assertThat(0.3 - 0.2).isWithin(0.00000000001);18        Assertions.assertThat(0.3 - 0.2).isWithin(0.000000000001);19        Assertions.assertThat(0.3 - 0.2).isWithin(0.0000000000001);20        Assertions.assertThat(0.3 - 0.2).isWithin(0.00000000000001);21        Assertions.assertThat(0.3 - 0.2).isWithin(0.000000000000001);22        Assertions.assertThat(0.3 - 0.2).isWithin(0.0000000000000001);23        Assertions.assertThat(0.3 - 0.2).isWithin(0.00000000000000001);24        Assertions.assertThat(0.3 - 0.2).isWithin(0.000000000000000001);25        Assertions.assertThat(0.3 - 0.2).isWithin(0.0000000000000000001);26        Assertions.assertThat(0.3 - 0.2).isWithin(0.000000000000000

isWithinPrecision

Using AI Code Generation

1import org.assertj.core.api.Assertions.assertThat2import org.assertj.core.api.ComparisonStrategy3import org.assertj.core.api.ComparatorBasedComparisonStrategy4import org.assertj.core.api.ComparatorFactory5import org.assertj.core.api.Percentage6import org.assertj.core.data.Offset7import java.math.BigDecimal8import java.time.LocalDate9import java.time.LocalDateTime10import java.time.LocalTime11import java.time.ZoneId12import java.time.ZonedDateTime13import java.util.*14import java.util.concurrent.atomic.AtomicInteger15import java.util.concurrent.atomic.AtomicLong16import java.util.concurrent.atomic.AtomicReference17import java.util.concurrent.atomic.DoubleAdder18import java.util.concurrent.atomic.LongAdder19import java.util.function.Supplier20import java.util.regex.Pattern21import java.util.stream.IntStream22import java.util.stream.LongStream23import java.util.stream.Stream24import org.assertj.core.api.Assertions.within25import org.assertj.core.api.Assertions.withinPercentage26import org.assertj.core.api.Assertions.within

isWithinPrecision

Using AI Code Generation

1public void test2() {2    Double d1 = 0.1;3    Double d2 = 0.2;4    Double d3 = 0.3;5    assertThat(d1 + d2).isCloseTo(d3, within(0.0000000000000001));6}7public void test3() {8    Double d1 = 0.1;9    Double d2 = 0.2;10    Double d3 = 0.3;11    assertThat(d1 + d2).isCloseTo(d3, withinPrecision(0.0000000000000001));12}13public void test4() {14    Double d1 = 0.1;15    Double d2 = 0.2;16    Double d3 = 0.3;17    assertThat(d1 + d2).isCloseTo(d3, withinPrecision(0.00000000000000001));18}

isWithinPrecision

Using AI Code Generation

1Comparator<BigDecimal> customComparator = isWithinPrecision(BigDecimal.ONE);2assertThat(new BigDecimal("1.0")).isEqualByComparingTo(new BigDecimal("1.1"), customComparator);3assertThat(new BigDecimal("1.0")).isNotEqualByComparingTo(new BigDecimal("1.2"), customComparator);4assertThat(new BigDecimal("1.0")).isEqualTo(new BigDecimal("1.1"), customComparator);5assertThat(new BigDecimal("1.0")).isNotEqualTo(new BigDecimal("1.2"), customComparator);6assertThat(new BigDecimal("1.0")).isCloseTo(new BigDecimal("1.1"), customComparator);7assertThat(new BigDecimal("1.0")).isNotCloseTo(new BigDecimal("1.2"), customComparator);8assertThat(new BigDecimal("1.0")).isCloseTo(new BigDecimal("1.1"), customComparator);9assertThat(new BigDecimal("1.0")).isNotCloseTo(new BigDecimal("1.2"), customComparator);10assertThat(new BigDecimal("1.0")).isCloseTo(new BigDecimal("1.1"), customComparator);11assertThat(new BigDecimal("1.0")).isNotCloseTo(new BigDecimal("1.2"), customComparator);12assertThat(new BigDecimal("1.0")).isCloseTo(new BigDecimal("1.1"), customComparator);13assertThat(new BigDecimal("1.0")).isNotCloseTo(new

isWithinPrecision

Using AI Code Generation

1public void testWithPrecision() {2  assertThat(1.0).isWithin(0.1).of(1.1);3}4public void testWithPrecision() {5  assertThat(1.0).isCloseTo(1.1, within(0.1));6}7public void testWithPrecision() {8  assertThat(1.0).isCloseTo(1.1, offset(0.1));9}10public void testWithPrecision() {11  assertThat(1.0).isCloseTo(1.1, withinPercentage(10));12}13public void testWithPrecision() {14  assertThat(1.0).isCloseTo(1.1, byLessThan(0.1));15}16public void testWithPrecision() {17  assertThat(1.0).isCloseTo(1.1, byLessThan(10));18}19public void testWithPrecision() {20  assertThat(1.0).isCloseTo(1.1, byLessThan(10.0));21}22public void testWithPrecision() {23  assertThat(1.0).isCloseTo(1.1, byLessThan(10.0f));24}

isWithinPrecision

Using AI Code Generation

1assertThat(1.0).isWithin(0.01).of(1.001);2assertThat(1.0).isWithin(0.001).of(1.001);3assertThat(1.0).isWithin(0.0001).of(1.001);4assertThat(1.0).isWithin(0.0001).of(1.001);5assertThat(1.0).isWithin(0.01).of(1.001);6assertThat(1.0).isWithin(0.001).of(1.001);7assertThat(1.0).isWithin(0.0001).of(1.001);8assertThat(1.0).isWithin(0.0001).of(1.001);

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