How to use isStandard method of org.assertj.core.internal.ComparatorBasedComparisonStrategy class

Best Assertj code snippet using org.assertj.core.internal.ComparatorBasedComparisonStrategy.isStandard

Source:ShouldBeEqual.java

...47    public AssertionError newAssertionError(Description description, Representation representation) {48        String message = smartErrorMessage(description, representation);49        // only use JUnit error message if the comparison strategy used was standard, otherwise we need to mention50        // comparison strategy in the assertion error message to make it clear to the user it was used.51        if (comparisonStrategy.isStandard() && !actualAndExpectedHaveSameStringRepresentation()) {52            // comparison strategy is standard -> try to build an AssertionFailedError used in JUnit 5 that is nicely displayed in IDEs53            AssertionError assertionFailedError = assertionFailedError(message, representation);54            // assertionFailedError != null means that JUnit 5 and opentest4j are in the classpath55            if (assertionFailedError != null) {56                return assertionFailedError;57            }58            // Junit5 was not used, try to build a JUnit 4 ComparisonFailure that is nicely displayed in IDEs59            AssertionError error = comparisonFailure(description);60            // error != null means that JUnit 4 was in the classpath and we build a ComparisonFailure.61            if (error != null) {62                return error;63            }64        }65        AssertionError assertionFailedError = assertionFailedError(message, representation);66        // assertionFailedError != null means that JUnit 5 and opentest4j was in the classpath67        if (assertionFailedError != null) {68            return assertionFailedError;69        }70        // No JUnit in the classpath => fall back to default error message71        return Failures.instance().failure(message);72    }73    private AssertionError comparisonFailure(Description description) {74        try {75            AssertionError comparisonFailure = newComparisonFailure(76                descriptionFormatter.format(description).trim());77            Failures.instance().removeAssertJRelatedElementsFromStackTraceIfNeeded(comparisonFailure);78            return comparisonFailure;79        } catch (Throwable e) {80            return null;81        }82    }83    private AssertionError newComparisonFailure(String description) throws Exception {84        Object o = constructorInvoker.newInstance("org.junit.ComparisonFailure",85            MSG_ARG_TYPES,86            description,87            representation.toStringOf(expected),88            representation.toStringOf(actual));89        if (o instanceof AssertionError) {90            return (AssertionError) o;91        }92        return null;93    }94    private AssertionError assertionFailedError(String message, Representation representation) {95        try {96            Object o = constructorInvoker.newInstance("org.opentest4j.AssertionFailedError",97                MSG_ARG_TYPES_FOR_ASSERTION_FAILED_ERROR,98                message,99                representation.toStringOf(expected),100                representation.toStringOf(actual));101            if (o instanceof AssertionError) {102                AssertionError assertionError = (AssertionError) o;103                Failures.instance().removeAssertJRelatedElementsFromStackTraceIfNeeded(assertionError);104                return assertionError;105            }106            return null;107        } catch (Throwable e) {108            return null;109        }110    }111    /**112     * Builds and returns an error message from the given description using expected and actual basic113     * representation if their description differ otherwise use defaultDetailedErrorMessage to represent them114     * differently.115     */116    protected String smartErrorMessage(Description description, Representation representation) {117        if (actualAndExpectedHaveSameStringRepresentation()) {118            // This happens for example when actual = 42f and expected = 42d, which will give this error:119            // actual : "42" and expected : "42".120            // JUnit 4 manages this case even worst, it will output something like :121            // "java.lang.String expected:java.lang.String<42.0> but was: java.lang.String<42.0>"122            // which makes things even more confusing since we lost the fact that 42 was a float or a double.123            // It is therefore better to built our own description without using ComparisonFailure, the124            // only drawback is that it won't look nice in IDEs.125            return defaultDetailedErrorMessage(description, representation);126        }127        return comparisonStrategy.isStandard()128            ? messageFormatter.format(description, representation, EXPECTED_BUT_WAS_MESSAGE, expected, actual)129            : messageFormatter.format(description, representation, EXPECTED_BUT_WAS_MESSAGE_USING_COMPARATOR,130                expected, actual, comparisonStrategy);131    }132    protected boolean actualAndExpectedHaveSameStringRepresentation() {133        return Objects.equals(representation.toStringOf(actual), representation.toStringOf(expected));134    }135    /**136     * Builds and returns an error message from description using detailedExpected() and detailed representation.137     *138     * @param description139     * @param representation140     * @return141     */...

Source:ComparatorBasedComparisonStrategy.java

...192  public boolean isGreaterThan(Object actual, Object other) {193    return comparator.compare(actual, other) > 0;194  }195  @Override196  public boolean isStandard() {197    return false;198  }199}...

isStandard

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.internal.ComparatorBasedComparisonStrategy;3import org.junit.Test;4import java.util.Comparator;5public class TestClass {6    public void test() {7        ComparatorBasedComparisonStrategy strategy = new ComparatorBasedComparisonStrategy();8        Comparator<String> comparator = new Comparator<String>() {9            public int compare(String o1, String o2) {10                return o1.compareTo(o2);11            }12        };13        Assertions.assertThat(strategy.isStandard(comparator)).isTrue();14    }15}16import org.assertj.core.api.Assertions;17import org.assertj.core.internal.ComparatorBasedComparisonStrategy;18import org.junit.Test;19import java.util.Comparator;20public class TestClass {21    public void test() {22        ComparatorBasedComparisonStrategy strategy = new ComparatorBasedComparisonStrategy();23        Comparator<String> comparator = new Comparator<String>() {24            public int compare(String o1, String o2) {25                return o1.compareTo(o2);26            }27        };28        Assertions.assertThat(strategy.isStandard(comparator)).isFalse();29    }30}

isStandard

Using AI Code Generation

1public class Test {2    public static void main(String[] args) {3        ComparatorBasedComparisonStrategy c = new ComparatorBasedComparisonStrategy();4        System.out.println(c.isStandard(new Comparator<Object>() {5            public int compare(Object o1, Object o2) {6                return 0;7            }8        }));9    }10}11public class Test {12    public static void main(String[] args) {13        ComparatorBasedComparisonStrategy c = new ComparatorBasedComparisonStrategy();14        System.out.println(c.isStandard(new Comparator<Object>() {15            public int compare(Object o1, Object o2) {16                return 0;17            }18        }));19    }20}21public boolean isStandard(Comparator<?> comparator) {22    return comparator == null || comparator == STANDARD_COMPARATOR;23}24public static final Comparator<Object> STANDARD_COMPARATOR = new StandardComparator();25private static class StandardComparator implements Comparator<Object>, Serializable {26    private static final long serialVersionUID = 1L;27    public int compare(Object o1, Object o2) {28      return compareForEquals(o1, o2);29    }30  }

isStandard

Using AI Code Generation

1public class Test {2    public static void main(String[] args) {3        ComparatorBasedComparisonStrategy cbcs = new ComparatorBasedComparisonStrategy();4        cbcs.isStandardComparator();5    }6}7public class Test {8    public static void main(String[] args) {9        ComparatorBasedComparisonStrategy cbcs = new ComparatorBasedComparisonStrategy();10        cbcs.isStandardComparator();11    }12}13public class Test {14    public static void main(String[] args) {15        ComparatorBasedComparisonStrategy cbcs = new ComparatorBasedComparisonStrategy();16        cbcs.isStandardComparator();17    }18}19public class Test {20    public static void main(String[] args) {21        ComparatorBasedComparisonStrategy cbcs = new ComparatorBasedComparisonStrategy();22        cbcs.isStandardComparator();23    }24}25public class Test {26    public static void main(String[] args) {27        ComparatorBasedComparisonStrategy cbcs = new ComparatorBasedComparisonStrategy();28        cbcs.isStandardComparator();29    }30}31public class Test {32    public static void main(String[] args) {33        ComparatorBasedComparisonStrategy cbcs = new ComparatorBasedComparisonStrategy();34        cbcs.isStandardComparator();35    }36}37public class Test {38    public static void main(String[] args) {39        ComparatorBasedComparisonStrategy cbcs = new ComparatorBasedComparisonStrategy();40        cbcs.isStandardComparator();41    }42}43public class Test {44    public static void main(String[] args) {45        ComparatorBasedComparisonStrategy cbcs = new ComparatorBasedComparisonStrategy();46        cbcs.isStandardComparator();47    }48}

isStandard

Using AI Code Generation

1package org.assertj.core.internal;2import org.assertj.core.api.Assertions;3import org.assertj.core.internal.ComparatorBasedComparisonStrategy;4import org.junit.Test;5public class ComparatorBasedComparisonStrategy_isStandard_Test {6  public void should_return_true_if_comparator_is_null() {7    ComparatorBasedComparisonStrategy strategy = new ComparatorBasedComparisonStrategy(null);8    Assertions.assertThat(strategy.isStandard()).isTrue();9  }10}11package org.assertj.core.internal;12import org.assertj.core.api.Assertions;13import org.assertj.core.internal.ComparatorBasedComparisonStrategy;14import org.junit.Test;15public class ComparatorBasedComparisonStrategy_isStandard_Test {16  public void should_return_false_if_comparator_is_not_null() {17    ComparatorBasedComparisonStrategy strategy = new ComparatorBasedComparisonStrategy(new TestComparator());18    Assertions.assertThat(strategy.isStandard()).isFalse();19  }20}21package org.assertj.core.internal;22import org.assertj.core.api.Assertions;23import org.assertj.core.internal.ComparatorBasedComparisonStrategy;24import org.junit.Test;25public class ComparatorBasedComparisonStrategy_isStandard_Test {26  public void should_return_false_if_comparator_is_not_null() {27    ComparatorBasedComparisonStrategy strategy = new ComparatorBasedComparisonStrategy(new TestComparator());28    Assertions.assertThat(strategy.isStandard()).isFalse();29  }30}31package org.assertj.core.internal;32import org.assertj.core.api.Assertions;33import org.assertj.core.internal.ComparatorBasedComparisonStrategy;34import org.junit.Test;35public class ComparatorBasedComparisonStrategy_isStandard_Test {36  public void should_return_false_if_comparator_is_not_null() {37    ComparatorBasedComparisonStrategy strategy = new ComparatorBasedComparisonStrategy(new TestComparator());38    Assertions.assertThat(strategy.isStandard()).isFalse();39  }40}

isStandard

Using AI Code Generation

1package org.assertj.core.internal;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.util.Lists.newArrayList;4import static org.assertj.core.util.Sets.newLinkedHashSet;5import java.util.Comparator;6import java.util.List;7import java.util.Set;8import org.junit.Test;9public class ComparatorBasedComparisonStrategy_isStandard_Test {10  public void should_return_true_if_comparator_is_standard() {11    ComparatorBasedComparisonStrategy strategy = new ComparatorBasedComparisonStrategy(Comparator.naturalOrder());12    assertThat(strategy.isStandard()).isTrue();13  }14  public void should_return_false_if_comparator_is_not_standard() {15    ComparatorBasedComparisonStrategy strategy = new ComparatorBasedComparisonStrategy(new Comparator<Object>() {16      public int compare(Object o1, Object o2) {17        return 0;18      }19    });20    assertThat(strategy.isStandard()).isFalse();21  }22  public void should_return_false_if_comparator_is_null() {23    ComparatorBasedComparisonStrategy strategy = new ComparatorBasedComparisonStrategy(null);24    assertThat(strategy.isStandard()).isFalse();25  }26  public void should_return_false_if_comparator_is_not_standard_and_is_not_comparable() {27    ComparatorBasedComparisonStrategy strategy = new ComparatorBasedComparisonStrategy(new Comparator<Object>() {28      public int compare(Object o1, Object o2) {29        return 0;30      }31    });32    assertThat(strategy.isStandard()).isFalse();33  }34  public void should_return_true_if_comparator_is_standard_and_is_comparable() {35    ComparatorBasedComparisonStrategy strategy = new ComparatorBasedComparisonStrategy(Comparator.naturalOrder());36    assertThat(strategy.isStandard()).isTrue();37  }38  public void should_return_false_if_comparator_is_not_standard_and_is_comparable() {39    ComparatorBasedComparisonStrategy strategy = new ComparatorBasedComparisonStrategy(new Comparator<Object>() {40      public int compare(Object o1, Object o2) {41        return 0;42      }43    });44    assertThat(strategy.isStandard()).isFalse();45  }46  public void should_return_true_if_comparator_is_standard_and_is_comparable_and_is_iterable() {47    ComparatorBasedComparisonStrategy strategy = new ComparatorBasedComparisonStrategy(Comparator.naturalOrder());48    assertThat(strategy.isStandard()).isTrue();49  }

isStandard

Using AI Code Generation

1public class Test {2    public static void main(String[] args) {3        ComparatorBasedComparisonStrategy strategy = new ComparatorBasedComparisonStrategy(new Comparator() {4            public int compare(Object o1, Object o2) {5                return 0;6            }7        });8        System.out.println(strategy.isStandard());9    }10}11import java.util.Comparator;12import java.util.List;13import java.util.stream.Collectors;14import java.util.stream.IntStream;15import org.assertj.core.api.Assertions;16import org.assertj.core.internal.ComparatorBasedComparisonStrategy;17import org.assertj.core.internal.StandardComparisonStrategy;18import org.junit.Test;19public class Test {20    public void test() {21        ComparatorBasedComparisonStrategy strategy = new ComparatorBasedComparisonStrategy(new Comparator() {22            public int compare(Object o1, Object o2) {23                return 0;24            }25        });26        Assertions.assertThat(strategy.isStandard()).isFalse();27    }28    public void test2() {29        ComparatorBasedComparisonStrategy strategy = new ComparatorBasedComparisonStrategy(new Comparator() {30            public int compare(Object o1, Object o2) {31                return 0;32            }33        });34        List<Integer> list = IntStream.range(1, 10).boxed().collect(Collectors.toList());35        Assertions.assertThat(list).usingComparator(strategy).contains(1, 2, 3);36    }37    public void test3() {38        StandardComparisonStrategy strategy = StandardComparisonStrategy.instance();39        List<Integer> list = IntStream.range(1, 10).boxed().collect(Collectors.toList());40        Assertions.assertThat(list).usingComparator(strategy).contains(1, 2, 3);41    }42}

isStandard

Using AI Code Generation

1public class AssertJTest {2    public static void main(String[] args) {3        ComparatorBasedComparisonStrategy strategy = new ComparatorBasedComparisonStrategy();4        System.out.println(strategy.isStandardComparator());5    }6}7So, in this article we saw the importance of using AssertJ for testing and how to use it. We also saw the different ways to use it. I hope you enjoyed this article. If you have any questions or sugge

isStandard

Using AI Code Generation

1public class 1 {2    public static void main(String[] args) {3        Comparator<String> comparator = (String s1, String s2) -> s1.compareTo(s2);4        ComparatorBasedComparisonStrategy strategy = new ComparatorBasedComparisonStrategy(comparator);5        System.out.println("Is standard comparator: " + strategy.isStandard(comparator));6    }7}

isStandard

Using AI Code Generation

1public boolean isStandard(Comparator<?> comparator) {2    return getComparatorBasedComparisonStrategy().isStandard(comparator);3}4public boolean isStandard(Comparator<?> comparator) {5    return getComparatorBasedComparisonStrategy().isStandard(comparator);6}7public boolean isStandard(Comparator<?> comparator) {8    return getComparatorBasedComparisonStrategy().isStandard(comparator);9}10public boolean isStandard(Comparator<?> comparator) {11    return getComparatorBasedComparisonStrategy().isStandard(comparator);12}13public boolean isStandard(Comparator<?> comparator) {14    return getComparatorBasedComparisonStrategy().isStandard(comparator);15}16public boolean isStandard(Comparator<?> comparator) {17    return getComparatorBasedComparisonStrategy().isStandard(comparator);18}19public boolean isStandard(Comparator<?> comparator) {20    return getComparatorBasedComparisonStrategy().isStandard(comparator

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.