How to use methodThrowing method of org.assertj.core.api.BDDAssertions_then_Test class

Best Assertj code snippet using org.assertj.core.api.BDDAssertions_then_Test.methodThrowing

Source:BDDAssertions_then_Test.java

...304    and.then(1L).isEqualTo(1L);305  }306  @Test307  void should_build_ThrowableTypeAssert_with_throwable_thrown() {308    thenExceptionOfType(Throwable.class).isThrownBy(() -> methodThrowing(new Throwable("boom")))309                                        .withMessage("boom");310  }311  @Test312  void should_build_NotThrownAssert_with_throwable_not_thrown() {313    thenNoException().isThrownBy(() -> methodNotThrowing());314  }315  @Test316  void should_build_ThrowableTypeAssert_with_NullPointerException_thrown() {317    thenNullPointerException().isThrownBy(() -> methodThrowing(new NullPointerException("something was wrong")))318                              .withMessage("something was wrong");319  }320  @Test321  void should_build_ThrowableTypeAssert_with_IllegalArgumentException_thrown() {322    thenIllegalArgumentException().isThrownBy(() -> methodThrowing(new IllegalArgumentException("something was wrong")))323                                  .withMessage("something was wrong");324  }325  @Test326  void should_build_ThrowableTypeAssert_with_IllegalStateException_thrown() {327    thenIllegalStateException().isThrownBy(() -> methodThrowing(new IllegalStateException("something was wrong")))328                               .withMessage("something was wrong");329  }330  @Test331  void should_build_ThrowableTypeAssert_with_IOException_thrown() {332    thenIOException().isThrownBy(() -> methodThrowing(new IOException("something was wrong")))333                     .withMessage("something was wrong");334  }335  private static void methodThrowing(Throwable throwable) throws Throwable {336    throw throwable;337  }338  private static void methodNotThrowing() {}339}...

methodThrowing

Using AI Code Generation

1public class BDDAssertions_then_Test {2    public void should_return_throwable_assertion_instance() {3        BDDAssertions_then_Test.MethodThrowing methodThrowing = new BDDAssertions_then_Test.MethodThrowing();4        ThrowableAssert.ThrowingCallable throwingCallable = methodThrowing.methodThrowing();5        then(throwingCallable).isNotNull();6    }7    private class MethodThrowing {8        public ThrowableAssert.ThrowingCallable methodThrowing() {9            return () -> {10                throw new Exception("exception");11            };12        }13    }14}

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