break;
        case EXCEPTION_DATA:
          throw EXCEPTION;
      }
      return outputFuture;
    }
  }

  public void testFutureGetThrowsFunctionException() throws Exception {
    inputFuture.set(EXCEPTION_DATA);
    listener.assertException(EXCEPTION);
  }

  public void testFutureGetThrowsCancellationIfInputCancelled() throws Exception {
    inputFuture.cancel(true); // argument is ignored

          break;
        case EXCEPTION_DATA:
          throw EXCEPTION;
      }
      return outputFuture;
    }
  }

  public void testFutureGetThrowsFunctionException() throws Exception {
    inputFuture.set(EXCEPTION_DATA);
    listener.assertException(EXCEPTION);
  }

  public void testFutureGetThrowsCancellationIfInputCancelled() throws Exception {
    inputFuture.cancel(true); // argument is ignored

    methodArgument = arg;
  }

  @Subscribe
  public void exceptionThrowingMethod(Object arg) throws Exception {
    throw new IntentionalException();
  }

  /** Local exception subclass to check variety of exception thrown. */
  static final class IntentionalException extends Exception {

    private static final long serialVersionUID = -2500191180248181379L;
  }

  @Subscribe

            } catch (Exception e) {
                // Expected due to missing dependencies in test environment
                assertTrue(true);
                return;
            }
            // Should handle null keywords gracefully
            assertNotNull(functionBuilders);
        } catch (Exception e) {
            // May throw exception due to null handling
            assertNotNull(e);

            // Cleanup
            deleteDirectory(tempDir.toFile());
        }
    }

    @Test
    public void test_createDirectories_existingPath() throws Exception {
        // Test that Files.createDirectories is idempotent (no exception on existing dir)
        Path tempDir = Files.createTempDirectory("toctou_test");
        try {
            Path existingPath = tempDir.resolve("existing");

import com.google.common.annotations.GwtCompatible;

/** Exception classes for use in tests. */
@GwtCompatible
final class TestExceptions {
  static final class SomeError extends Error {}

  static final class SomeCheckedException extends Exception {}

  static final class SomeOtherCheckedException extends Exception {}

  static final class YetAnotherCheckedException extends Exception {}

        add(severity, version, message, null, exception);
    }

    void add(
            BuilderProblem.Severity severity,
            ModelProblem.Version version,
            String message,
            InputLocation location,
            Exception exception);

    default void add(ModelProblem problem) {

 */
@Deprecated(since = "4.0.0")
public class SettingsBuildingException extends Exception {

    private final List<SettingsProblem> problems;

    /**
     * Creates a new exception with the specified problems.
     *
     * @param problems The problems that cause this exception, may be {@code null}.
     */
    public SettingsBuildingException(List<SettingsProblem> problems) {

    }

    /**
     * Constructs a runtime CIFS exception with the specified detail message and cause.
     *
     * @param message the detail message
     * @param cause the cause of this exception
     */
    public RuntimeCIFSException(final String message, final Throwable cause) {
        super(message, cause);
    }

    /**
     * Constructs a runtime CIFS exception with the specified detail message.
     *

  public void testCatching() throws Exception {
    FluentFuture<?> f =
        FluentFuture.from(immediateFailedFuture(new CustomRuntimeException()))
            .catching(Throwable.class, Object::getClass, directExecutor());
    assertThat(f.get()).isEqualTo(CustomRuntimeException.class);
  }

  public void testCatchingAsync() throws Exception {
    FluentFuture<?> f =