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 Github

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...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}...

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isWithinPrecision

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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");

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isWithinPrecision

Using AI Code Generation

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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

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isWithinPrecision

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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

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isWithinPrecision

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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}

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isWithinPrecision

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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

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isWithinPrecision

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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}

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isWithinPrecision

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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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