import java.util.Random;
import org.jspecify.annotations.NullUnmarked;

/**
 * Utility class for being able to seed a {@link Random} value with a passed in seed from a
 * benchmark parameter.
 *
 * <p>TODO: Remove this class once Caliper has a better way.
 *
 * @author Nicholaus Shupe
 */
@NullUnmarked
public final class SpecialRandom extends Random {
  public static SpecialRandom valueOf(String s) {

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package target

import (
	"sync"
	"sync/atomic"
)

// Inspired from Golang sync.Once but it is only marked
// initialized when the provided function returns nil.

type lazyInit struct {
	done uint32
	m    sync.Mutex
}

func (l *lazyInit) Do(f func() error) error {

## `username` ve `password`’ü Almak İçin Kod { #code-to-get-the-username-and-password }

Şimdi bunu yönetmek için **FastAPI**’nin sağladığı araçları kullanalım.

### `OAuth2PasswordRequestForm` { #oauth2passwordrequestform }

Önce `OAuth2PasswordRequestForm`’u import edin ve `/token` için *path operation* içinde `Depends` ile dependency olarak kullanın:

{* ../../docs_src/security/tutorial003_an_py310.py hl[4,78] *}

        when(supplier.get()).thenThrow(new RuntimeException(new SmbUnsupportedOperationException("boom")));

        // Act & Assert: the exception is propagated and interaction recorded once
        RuntimeException thrown = assertThrows(RuntimeException.class, supplier::get);
        assertInstanceOf(SmbUnsupportedOperationException.class, thrown.getCause());
        assertEquals("boom", thrown.getCause().getMessage());

    }

    @Test
    void testSetURLStreamHandlerFactory_ThrowsIllegalStateExceptionOnSecondAttempt() {
        // This test ensures that attempting to set the URLStreamHandlerFactory more than once
        // throws an IllegalStateException as per the contract.
        URLStreamHandlerFactory mockFactory1 = mock(URLStreamHandlerFactory.class);
        URLStreamHandlerFactory mockFactory2 = mock(URLStreamHandlerFactory.class);

   * segments, each governed by its own write lock. The segment lock is taken once for each explicit
   * write, and twice for each cache loading computation (once prior to loading the new value, and
   * once after loading completes). Much internal cache management is performed at the segment

  // TODO: replace this with an accessor.
  protected Collection<E> collection;

  @Override
  protected Collection<E> actualContents() {
    return collection;
  }

  // TODO: dispose of this once collection is encapsulated.
  @Override
  @CanIgnoreReturnValue
  protected Collection<E> resetContainer(Collection<E> newContents) {
    collection = super.resetContainer(newContents);
    return collection;
  }

      sizeRemaining -= count;
      hashMultiset.add(value, count);
      linkedHashMultiset.add(value, count);
      treeMultiset.add(value, count);
    }

    // TODO(kevinb): convert to assert once benchmark tests enable asserts by default
    Preconditions.checkState(hashMultiset.size() == size);
  }

  @Benchmark
  int hashMultiset(int reps) {
    int sum = 0;
    for (int i = 0; i < reps; i++) {

  // TODO: replace this with an accessor.
  protected Collection<E> collection;

  @Override
  protected Collection<E> actualContents() {
    return collection;
  }

  // TODO: dispose of this once collection is encapsulated.
  @Override
  @CanIgnoreReturnValue
  protected Collection<E> resetContainer(Collection<E> newContents) {
    collection = super.resetContainer(newContents);
    return collection;
  }

    hasher.putBytes(bytes, off, len);
    out.write(bytes, off, len);
  }

  /**
   * Returns the {@link HashCode} based on the data written to this stream. The result is
   * unspecified if this method is called more than once on the same instance.
   */
  public HashCode hash() {
    return hasher.hash();
  }

  // Overriding close() because FilterOutputStream's close() method pre-JDK8 has bad behavior: