// Note: @Test annotations are deliberate, as some subclasses specify @RunWith(JUnit4).
@GwtIncompatible
@J2ktIncompatible
@J2ObjCIncompatible // com.google.common.reflect.ClassPath
@NullMarked
public abstract class AbstractPackageSanityTests extends TestCase {

  /**
   * A predicate that matches classes with an underscore in the class name. This can be used with

 * It is public so we can access it reflectively across class loaders in secure environments.
 *
 * <p>This class can't depend on other Guava code. If we were to load this class in the same class
 * loader as the rest of Guava, this thread would keep an indirect strong reference to the class
 * loader and prevent it from being garbage collected. This poses a problem for environments where

        URLStreamHandler handler1 = cifsContextWrapper.getUrlHandler();
        assertNotNull(handler1);
        assertTrue(handler1 instanceof Handler);

        // Second call should return the same instance
        URLStreamHandler handler2 = cifsContextWrapper.getUrlHandler();
        assertEquals(handler1, handler2);
    }

    @Test
    void testGetSIDResolver() {
        // Test getSIDResolver() method

        return facadeSelectList(createCB(cbLambda));
    }

    public PagingResultBean<WebAuthentication> selectPage(CBCall<WebAuthenticationCB> cbLambda) {
        // #pending same?
        return (PagingResultBean<WebAuthentication>) facadeSelectList(createCB(cbLambda));
    }

    public void selectCursor(CBCall<WebAuthenticationCB> cbLambda, EntityRowHandler<WebAuthentication> entityLambda) {

        byte[] buffer1 = BufferCache.getBuffer();
        buffer1[0] = (byte) 0xAB;
        buffer1[1] = (byte) 0xCD;
        BufferCache.releaseBuffer(buffer1);

        // When - Get another buffer (might be the same one from cache)
        byte[] buffer2 = BufferCache.getBuffer();

        // Then - Buffer should be valid
        assertNotNull(buffer2, "Reused buffer should not be null");

    checkFromStringCase("192.0.2.2:83", 77, "192.0.2.2", 83, true);
    checkFromStringCase("[2001::2]:85", 77, "2001::2", 85, true);
  }

  public void testFromStringNonAsciiDigits() {
    // Same as testFromStringUnusedDefaultPort but with Gujarati digits for port numbers.
    checkFromStringCase("gmail.com:૮1", 77, null, -1, false);
    checkFromStringCase("192.0.2.2:૮૩", 77, null, -1, false);

    checkFromStringCase("192.0.2.2:83", 77, "192.0.2.2", 83, true);
    checkFromStringCase("[2001::2]:85", 77, "2001::2", 85, true);
  }

  public void testFromStringNonAsciiDigits() {
    // Same as testFromStringUnusedDefaultPort but with Gujarati digits for port numbers.
    checkFromStringCase("gmail.com:૮1", 77, null, -1, false);
    checkFromStringCase("192.0.2.2:૮૩", 77, null, -1, false);

        assertNotSame(
                activeProfilesOrig,
                activeProfilesClone,
                "The list of active profiles should have been cloned too but is same");
    }

    @Test
    void testCloneWithBaseDir() throws Exception {
        File f = getFileForClasspathResource("canonical-pom.xml");
        MavenProject projectToClone = getProject(f);

///

### Pydantic v1 und v2 in derselben App { #pydantic-v1-and-v2-on-the-same-app }

Es wird von Pydantic **nicht unterstützt**, dass ein Pydantic‑v2‑Modell Felder hat, die als Pydantic‑v1‑Modelle definiert sind, und umgekehrt.

```mermaid
graph TB
    subgraph "❌ Nicht unterstützt"

      long skipped = in.skip(n);
      left -= skipped;
      return skipped;
    }
  }

  /**
   * Attempts to read enough bytes from the stream to fill the given byte array, with the same
   * behavior as {@link DataInput#readFully(byte[])}. Does not close the stream.
   *
   * @param in the input stream to read from.
   * @param b the buffer into which the data is read.