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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}...

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