How to use catchNullPointerExceptions method of org.assertj.core.api.EntryPointAssertions_catchNullPointerException_Test class

Best Assertj code snippet using org.assertj.core.api.EntryPointAssertions_catchNullPointerException_Test.catchNullPointerExceptions

Source:EntryPointAssertions_catchNullPointerException_Test.java

...19import org.junit.jupiter.params.provider.MethodSource;20class EntryPointAssertions_catchNullPointerException_Test extends EntryPointAssertionsBaseTest {21  private static final NullPointerException NULL_POINTER_EXCEPTION = new NullPointerException();22  @ParameterizedTest23  @MethodSource("catchNullPointerExceptions")24  void should_catch_NullPointerException(Function<ThrowingCallable, NullPointerException> catchNullPointerException) {25    // GIVEN26    ThrowingCallable throwingCallable = () -> {27      throw NULL_POINTER_EXCEPTION;28    };29    // WHEN30    NullPointerException throwable = catchNullPointerException.apply(throwingCallable);31    // THEN32    then(throwable).isSameAs(NULL_POINTER_EXCEPTION);33  }34  private static Stream<Function<ThrowingCallable, NullPointerException>> catchNullPointerExceptions() {35    return Stream.of(Assertions::catchNullPointerException, BDDAssertions::catchNullPointerException, withAssertions::catchNullPointerException);36  }37}...

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.