assertThrows(IllegalArgumentException.class, () -> Quantiles.scale(0));
  }

  public void testScale_negative() {
    assertThrows(IllegalArgumentException.class, () -> Quantiles.scale(-4));
  }

  public void testScale_index_negative() {
    Quantiles.Scale intermediate = Quantiles.scale(10);
    assertThrows(IllegalArgumentException.class, () -> intermediate.index(-1));
  }

      assertThrows(IllegalArgumentException.class, () -> Resources.getResource("no such resource"));
    } finally {
      Thread.currentThread().setContextClassLoader(oldContextLoader);
    }
  }

  @AndroidIncompatible // .class files aren't available
  public void testNulls() {
    new NullPointerTester()
        .setDefault(URL.class, classfile(ResourcesTest.class))
        .testAllPublicStaticMethods(Resources.class);

            }
        }
    }

    @Test
    public void test_utilityClass_pattern() {
        // Verify utility class design pattern compliance

        // 1. Class should be final (or have private constructor)
        Constructor<?>[] constructors = SystemUtil.class.getDeclaredConstructors();
        assertEquals("Should have exactly one constructor", 1, constructors.length);

import jcifs.internal.util.SMBUtil;

/**
 * Test class for Smb2TreeDisconnectResponse functionality
 */
@DisplayName("Smb2TreeDisconnectResponse Tests")
class Smb2TreeDisconnectResponseTest extends BaseTest {

    private Configuration mockConfig;
    private Smb2TreeDisconnectResponse response;

    @BeforeEach
    void setUp() {
        mockConfig = mock(Configuration.class);

import org.dbflute.dbway.DBDef;
import org.dbflute.util.DfTypeUtil;

/**
 * @author ESFlute (using FreeGen)
 */
public class DataConfigDbm extends AbstractDBMeta {

    protected static final Class<?> suppressUnusedImportLocalDateTime = LocalDateTime.class;

    // ===================================================================================

            public <T extends SmbPipeHandle> T unwrap(Class<T> type) {
                return null;
            }
        }
        assertThrows(ClassCastException.class, () -> {
            OtherPipeHandle result = target.unwrap(OtherPipeHandle.class);
        });

        // Null input: document current behavior (NPE from isAssignableFrom)
        assertThrows(NullPointerException.class, () -> target.unwrap(null));
    }

    for (Entry<K, V> entry : getMap().entrySet()) {
      assertThrows(NullPointerException.class, () -> entry.setValue(null));
      break;
    }
    expectUnchanged();
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getContainsEntryWithIncomparableKeyMethod() {
    return getMethod(MapEntrySetTester.class, "testContainsEntryWithIncomparableKey");
  }

  @J2ktIncompatible

    for (Entry<K, V> entry : getMap().entrySet()) {
      assertThrows(NullPointerException.class, () -> entry.setValue(null));
      break;
    }
    expectUnchanged();
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getContainsEntryWithIncomparableKeyMethod() {
    return getMethod(MapEntrySetTester.class, "testContainsEntryWithIncomparableKey");
  }

  @J2ktIncompatible

 * @author Ben Yu
 */

@NullUnmarked
public class PackageSanityTests extends AbstractPackageSanityTests {

  public PackageSanityTests() throws Exception {
    DummySubscriber dummySubscriber = new DummySubscriber();
    setDefault(Subscriber.class, dummySubscriber.toSubscriber());
    setDefault(Method.class, DummySubscriber.subscriberMethod());
    setDefault(SubscriberExceptionContext.class, dummySubscriber.toContext());

@GwtCompatible
@NullUnmarked
final class TestExceptions {
  static class SomeError extends Error {}

  static class SomeCheckedException extends Exception {}

  static class SomeOtherCheckedException extends Exception {}

  static class YetAnotherCheckedException extends Exception {}

  static class SomeUncheckedException extends RuntimeException {}

  static class SomeChainingException extends RuntimeException {