Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

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

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

Source:ComparatorFactory_doubleComparatorWithPrecision_Test.java

...22import org.junit.jupiter.params.ParameterizedTest;23import org.junit.jupiter.params.provider.Arguments;24import org.junit.jupiter.params.provider.CsvSource;25import org.junit.jupiter.params.provider.MethodSource;26class ComparatorFactory_doubleComparatorWithPrecision_Test {27  private final ComparatorFactory INSTANCE = ComparatorFactory.INSTANCE;28  @ParameterizedTest29  @CsvSource({30      "1.0, 1.1, 0.1",31      "0.111, 0.110, 0.001",32      "0.12345, 0.12346, 0.00001",33      "0.7654321, 0.7654320, 0.0000001",34      "1.2464, 1.2463, 0.0001" })35  void should_evaluate_to_be_equal(Double double1, Double double2, Double precision) {36    // GIVEN37    Comparator<Double> comparator = INSTANCE.doubleComparatorWithPrecision(precision);38    // WHEN39    int comparisonValue = comparator.compare(double1, double2);40    int inverseComparisonValue = comparator.compare(double2, double1);41    // THEN42    then(comparisonValue).isZero();43    then(inverseComparisonValue).isZero();44  }45  @ParameterizedTest46  @CsvSource({47      "1.1, 1.0, 0.05",48      "0.111, 0.110, 0.00099",49      "0.12346, 0.12345, 0.0000099",50      "0.7654321, 0.7654320, 0.000000099",51      "0.7654321, 0.7654320, 9e-8",52      "1.2464, 1.2463, 0.000099" })53  void should_evaluate_given_value_to_different(Double value, Double other, Double precision) {54    // GIVEN55    Comparator<Double> comparator = INSTANCE.doubleComparatorWithPrecision(precision);56    // WHEN57    int comparisonValue = comparator.compare(value, other);58    int inverseComparisonValue = comparator.compare(other, value);59    // THEN60    then(comparisonValue).isOne();61    then(inverseComparisonValue).isEqualTo(-1);62  }63  @ParameterizedTest64  @MethodSource65  void should_follow_java_behavior_when_dealing_with_infinity_and_NaN(Double value1, Double value2) {66    // GIVEN67    Comparator<Double> comparator = INSTANCE.doubleComparatorWithPrecision(1d);68    // WHEN69    int comparisonValue = comparator.compare(value1, value2);70    int javaComparisonValue = value1.compareTo(value2);71    // THEN72    then(comparisonValue).isEqualTo(javaComparisonValue);73  }74  static Stream<Arguments> should_follow_java_behavior_when_dealing_with_infinity_and_NaN() {75    return Stream.of(arguments(POSITIVE_INFINITY, NEGATIVE_INFINITY),76                     arguments(NEGATIVE_INFINITY, POSITIVE_INFINITY),77                     arguments(POSITIVE_INFINITY, POSITIVE_INFINITY),78                     arguments(NEGATIVE_INFINITY, NEGATIVE_INFINITY),79                     arguments(NaN, POSITIVE_INFINITY),80                     arguments(NaN, NEGATIVE_INFINITY),81                     arguments(NaN, NaN));82  }83  @ParameterizedTest84  @MethodSource85  void should_fail_for_invalid_precision(Double precision) {86    // GIVEN87    Comparator<Double> comparator = INSTANCE.doubleComparatorWithPrecision(precision);88    // WHEN/THEN89    assertThatIllegalArgumentException().isThrownBy(() -> comparator.compare(1d, 2d));90  }91  static Stream<Double> should_fail_for_invalid_precision() {92    return Stream.of(NaN, POSITIVE_INFINITY, NEGATIVE_INFINITY);93  }94}...

Source:ComparatorFactory.java

...14import static java.lang.Math.abs;15import java.util.Comparator;16public class ComparatorFactory {17  public static ComparatorFactory INSTANCE = new ComparatorFactory();18  public Comparator<Double> doubleComparatorWithPrecision(final double precision) {19    Comparator<Double> closeToComparator = new Comparator<Double>() {20      @Override21      public int compare(Double o1, Double o2) {22        if (abs(o1.doubleValue() - o2.doubleValue()) < precision) return 0;23        return o1.doubleValue() - o2.doubleValue() > 0 ? 1 : -1;24      }25      @Override26      public String toString() {27        return "double comparator at precision " + precision;28      }29    };30    return closeToComparator;31  }32  public Comparator<Float> floatComparatorWithPrecision(final float precision) {...

doubleComparatorWithPrecision

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.ComparatorFactory.doubleComparatorWithPrecision;3import static org.assertj.core.api.ComparatorFactory.doubleComparatorWithPrecision;4public class DoubleComparatorWithPrecision {5    public static void main(String[] args) {6        assertThat(1.2345).usingComparator(doubleComparatorWithPrecision(0.001, 2)).isEqualTo(1.234);7    }8}9import static org.assertj.core.api.Assertions.assertThat;10import static org.assertj.core.api.ComparatorFactory.doubleComparatorWithPrecision;11import static org.assertj.core.api.ComparatorFactory.doubleComparatorWithPrecision;12public class DoubleComparatorWithPrecision {13    public static void main(String[] args) {14        assertThat(1.2345).usingComparator(doubleComparatorWithPrecision(0.001, 2)).isNotEqualTo(1.235);15    }16}17import static org.assertj.core.api.Assertions.assertThat;18import static org.assertj.core.api.ComparatorFactory.doubleComparatorWithPrecision;19import static org.assertj.core.api.ComparatorFactory.doubleComparatorWithPrecision;20public class DoubleComparatorWithPrecision {21    public static void main(String[] args) {22        assertThat(1.2345).usingComparator(doubleComparatorWithPrecision(0.001, 2)).isLessThan(1.235);23    }24}25import static org.assertj.core.api.Assertions.assertThat;26import static org.assertj.core.api.ComparatorFactory.doubleComparatorWithPrecision;27import static org.assertj.core.api.ComparatorFactory.doubleComparatorWithPrecision;28public class DoubleComparatorWithPrecision {29    public static void main(String[]

doubleComparatorWithPrecision

Using AI Code Generation

1import org.assertj.core.api.ComparatorFactory;2import org.assertj.core.api.DoubleAssert;3import org.assertj.core.api.DoubleAssertBaseTest;4import org.assertj.core.data.Percentage;5import org.junit.Test;6import static org.assertj.core.api.Assertions.assertThat;7import static org.assertj.core.api.Assertions.fail;8import static org.assertj.core.api.Assertions.within;9import static org.assertj.core.data.Percentage.withPercentage;10import static org.assertj.core.util.FailureMessages.actualIsNull;11import static org.assertj.core.util.Lists.newArrayList;12public class DoubleAssert_doubleComparatorWithPrecision_Test extends DoubleAssertBaseTest {13  protected DoubleAssert invoke_api_method() {14    return assertions.usingComparatorWithPrecision(0.01);15  }16  protected void verify_internal_effects() {17    assertThat(getObjects(assertions)).containsExactly(1.0);18    assertThat(getComparators(assertions)).containsExactly(ComparatorFactory.doubleComparatorWithPrecision(0.01));19  }20  public void should_fail_if_precision_is_negative() {21    thrown.expectIllegalArgumentException("The precision should be positive or zero");22    assertions.usingComparatorWithPrecision(-0.01);23  }24  public void should_fail_if_precision_is_zero() {25    thrown.expectIllegalArgumentException("The precision should be positive or zero");26    assertions.usingComparatorWithPrecision(0.0);27  }28  public void should_fail_if_precision_is_not_positive() {29    thrown.expectIllegalArgumentException("The precision should be positive or zero");30    assertions.usingComparatorWithPrecision(-2.0);31  }32  public void should_fail_if_actual_is_null() {33    thrown.expectAssertionError(actualIsNull());34    DoubleAssert assertions = new DoubleAssert(null);35    assertions.usingComparatorWithPrecision(0.01);36  }37  public void should_pass_if_doubles_are_equal() {38    assertions.usingComparatorWithPrecision(0.01).isEqualTo(1.0);39  }40  public void should_pass_if_doubles_are_equal_within_precision() {41    assertions.usingComparatorWithPrecision(0.01).isEqualTo(1.005);42  }43  public void should_fail_if_doubles_are_not_equal_within_precision() {44    thrown.expectAssertionError("%nExpecting:%n <1.0>%nto be close to:%n <1.02> %nby less than <0.01> but

doubleComparatorWithPrecision

Using AI Code Generation

1import static org.assertj.core.api.ComparatorFactory.doubleComparatorWithPrecision;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.api.Assertions.within;4import static org.assertj.core.data.Percentage.withPercentage;5import org.assertj.core.api.AbstractDoubleAssert;6import org.assertj.core.api.AbstractFloatAssert;7import org.assertj.core.api.Condition;8import org.assertj.core.api.DoubleAssert;9import org.assertj.core.api.FloatAssert;10import org.assertj.core.api.ObjectAssert;11import org.assertj.core.data.Percentage;12import org.assertj.core.data.Offset;13import org.assertj.core.data.TemporalUnitOffset;14import org.assertj.core.groups.Tuple;15import org.assertj.core.internal.Failures;16import org.assertj.core.internal.Objects;17import org.assertj.core.util.CheckReturnValue;18import org.assertj.core.util.VisibleForTesting;19 * To create a new instance of this class, invoke <code>{@link Assertions#assertThat(Double)}</code> or20 *          target="_blank">Emulating 'self types' using Java Generics to simplify fluent API implementation</a>&quot;21    extends AbstractComparableAssert<S, A> {22  Doubles doubles = Doubles.instance();23  protected AbstractDoubleAssert(A actual, Class<?> selfType) {24    super(actual, selfType);25  }26   * assertThat(8.1).isEqualTo(8.1);27   * assertThat(8.1).isEqualTo(8.2);</code></pre>

doubleComparatorWithPrecision

Using AI Code Generation

1import org.assertj.core.api.ComparatorFactory;2import org.assertj.core.api.DoubleComparator;3public class DoubleComparatorWithPrecision {4    public static void main(String[] args) {5        DoubleComparator comparator = ComparatorFactory.doubleComparatorWithPrecision(0.1);6        System.out.println(comparator.compare(1.0, 1.1));7        System.out.println(comparator.compare(1.0, 1.2));8    }9}

doubleComparatorWithPrecision

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.ComparatorFactory.doubleComparatorWithPrecision;3import java.util.Comparator;4public class AssertJComparatorFactory {5    public static void main(String[] args) {6        Comparator<Double> doubleComparator = doubleComparatorWithPrecision(0.1);7        assertThat(1.2).isEqualTo(1.3, doubleComparator);8    }9}10import static org.assertj.core.api.Assertions.assertThat;11import static org.assertj.core.api.ComparatorFactory.doubleComparatorWithPrecision;12import java.util.Comparator;13public class AssertJComparatorFactory {14    public static void main(String[] args) {15        Comparator<Double> doubleComparator = doubleComparatorWithPrecision(0.1);16        assertThat(1.2).isEqualTo(1.3, doubleComparator);17    }18}19import static org.assertj.core.api.Assertions.assertThat;20import static org.assertj.core.api.ComparatorFactory.doubleComparatorWithPrecision;21import java.util.Comparator;22public class AssertJComparatorFactory {23    public static void main(String[] args) {24        Comparator<Double> doubleComparator = doubleComparatorWithPrecision(0.1);25        assertThat(1.2).isEqualTo(1.3, doubleComparator);26    }27}28import static org.assertj.core.api.Assertions.assertThat;29import static org.assertj.core.api.ComparatorFactory.doubleComparatorWithPrecision;30import java.util.Comparator;31public class AssertJComparatorFactory {32    public static void main(String[] args) {33        Comparator<Double> doubleComparator = doubleComparatorWithPrecision(0.1);34        assertThat(1.2).isEqualTo(1.3

doubleComparatorWithPrecision

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.ComparatorFactory.doubleComparatorWithPrecision;3public class DoubleComparator {4   public static void main(String[] args) {5      double d1 = 1.23456789;6      double d2 = 1.23456788;7      double precision = 0.00001;8      assertThat(d1).isEqualTo(d2, doubleComparatorWithPrecision(precision));9   }10}

doubleComparatorWithPrecision

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.api.ComparatorFactory;3import java.math.BigDecimal;4public class Test {5public static void main(String[] args) {6Assertions.assertThat(BigDecimal.valueOf(1.0)).usingComparator(ComparatorFactory.doubleComparatorWithPrecision(0.01)).isEqualTo(BigDecimal.valueOf(1.01));7}8}9assertThat(BigDecimal.valueOf(1.0)).usingComparator(ComparatorFactory.doubleComparatorWithPrecision(0.01)).isEqualTo(BigDecimal.valueOf(1.01));10import org.assertj.core.api.ComparatorFactory;11import java.math.BigDecimal;12Assertions.assertThat(BigDecimal.valueOf(1.0)).usingComparator(ComparatorFactory.doubleComparatorWithPrecision(0.01)).isEqualTo(BigDecimal.valueOf(1.01));13import org.assertj.core.api.Assertions;14import org.assertj.core.api.ComparatorFactory;15import java.math.BigDecimal;16Assertions.assertThat(BigDecimal.valueOf(1.0)).usingComparator(ComparatorFactory.doubleComparatorWithPrecision(0.01)).isEqualTo(BigDecimal.valueOf(1.01));17import org.assertj.core.api.Assertions;18import org.assertj.core.api.ComparatorFactory;19import java.math.BigDecimal;20Assertions.assertThat(BigDecimal.valueOf(1.0)).usingComparator(ComparatorFactory.doubleComparatorWithPrecision(0.01)).isEqualTo(BigDecimal.valueOf(1.01));21import org.assertj.core.api.Assertions;22import org.assertj.core.api.ComparatorFactory;23import java.math.BigDecimal;24Assertions.assertThat(BigDecimal.valueOf(1.0)).usingComparator(ComparatorFactory.doubleComparatorWithPrecision(0.01)).isEqualTo(BigDecimal.valueOf(1.01));25import org.assertj.core.api.Assertions;26import org.assertj.core.api.ComparatorFactory;27import java.math.BigDecimal;28Assertions.assertThat(BigDecimal.valueOf(1.0)).usingComparator(ComparatorFactory.doubleComparatorWithPrecision(0.01)).isEqualTo(BigDecimal.valueOf(1.01));29import org.assertj.core.api.Assertions;30import org.assertj.core.api.ComparatorFactory;31import java.math.BigDecimal;32Assertions.assertThat(BigDecimal.valueOf(1.0)).usingComparator(ComparatorFactory.doubleComparatorWithPrecision(0.01)).isEqualTo(BigDecimal.valueOf(1.01));33import org.assertj.core.api.Assertions;34import org.assertj.core.api.ComparatorFactory;35import java.math.BigDecimal;36Assertions.assertThat(BigDecimal

doubleComparatorWithPrecision

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.api.ComparatorFactory;3import java.util.Comparator;4public class 1 {5    public static void main(String[] args) {6        Comparator<Double> comparator = ComparatorFactory.doubleComparatorWithPrecision(0.001);7        Assertions.assertThat(1.0001).usingComparator(comparator).isEqualTo(1.0002);8    }9}10import org.assertj.core.api.Assertions;11import java.util.Comparator;12public class 1 {13    public static void main(String[] args) {14        Comparator<Double> comparator = new Comparator<Double>() {15            public int compare(Double o1, Double o2) {16                return o1.compareTo(o2);17            }18        };19        Assertions.assertThat(1.0001).usingComparator(comparator).isEqualTo(1.0002);20    }21}

doubleComparatorWithPrecision

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.api.ComparatorFactory;3public class DoubleComparatorWithPrecision {4    public static void main(String[] args) {5        double expected = 1.0;6        double actual = 1.0000000000000001;7        Assertions.assertThat(actual).usingComparator(ComparatorFactory.doubleComparatorWithPrecision(1e-15)).isEqualTo(expected);8    }9}10import org.assertj.core.api.Assertions;11import org.assertj.core.api.ComparatorFactory;12import java.util.Comparator;13public class 1 {14    public static void main(String[] args) {15        Comparator<Double> comparator = ComparatorFactory.doubleComparatorWithPrecision(0.001);16        Assertions.assertThat(1.0001).usingComparator(comparator).isEqualTo(1.0002);17    }18}19import org.assertj.core.api.Assertions;20import java.util.Comparator;21public class 1 {22    public static void main(String[] args) {23        Comparator<Double> comparator = new Comparator<Double>() {24            public int compare(Double o1, Double o2) {25                return o1.compareTo(o2);26            }27        };28        Assertions.assertThat(1.0001).usingComparator(comparator).isEqualTo(1.0002);29    }30}31AssertJ AssertJ is a Java library that provides a rich set of assertions to perform unit testing of Java applications. AssertJ is a replacement of JUnit assertions. It provides a set of assertions that are easy to read and understand. AssertJ provides a set of assertions that are easy to read and understand. It provides a very rich set of assertions to perform unit testing of Java applications. AssertJ provides a set of assertions that are easy to read and understand. It provides a very rich set of assertions to perform unit testing of Java applications. AssertJ provides a set of assertions that are easy to read and understand. It provides a very rich set of assertions to perform unit testing of Java applications. AssertJ provides a set of assertions that are easy to read and understand. It provides a very rich set of assertions to perform unit testing of Java applications.re.internal.Failures;32import org.assertj.core.internal.Objects;33import org.assertj.core.util.CheckReturnValue;34import org.assertj.core.util.VisibleForTesting;35 * To create a new instance of this class, invoke <code>{@link Assertions#assertThat(Double)}</code> or36 *          target="_blank">Emulating 'self types' using Java Generics to simplify fluent API implementation</a>&quot;37    extends AbstractComparableAssert<S, A> {38  Doubles doubles = Doubles.instance();39  protected AbstractDoubleAssert(A actual, Class<?> selfType) {40    super(actual, selfType);41  }42   * assertThat(8.1).isEqualTo(8.1);43   * assertThat(8.1).isEqualTo(8.2);</code></pre>

doubleComparatorWithPrecision

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.ComparatorFactory.doubleComparatorWithPrecision;3public class DoubleComparator {4   public static void main(String[] args) {5      double d1 = 1.23456789;6      double d2 = 1.23456788;7      double precision = 0.00001;8      assertThat(d1).isEqualTo(d2, doubleComparatorWithPrecision(precision));9   }10}

doubleComparatorWithPrecision

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.api.ComparatorFactory;3public class DoubleComparatorWithPrecision {4    public static void main(String[] args) {5        double expected = 1.0;6        double actual = 1.0000000000000001;7        Assertions.assertThat(actual).usingComparator(ComparatorFactory.doubleComparatorWithPrecision(1e-15)).isEqualTo(expected);8    }9}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.