import java.math.BigInteger;
import java.math.RoundingMode;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link MathPreconditions}.
 *
 * @author Ben Yu
 */
@GwtCompatible
@NullUnmarked
public class MathPreconditionsTest extends TestCase {

  public void testCheckPositive_zeroInt() {

import java.util.Set;
import org.jspecify.annotations.NonNull;
import org.jspecify.annotations.Nullable;

/**
 * A mutable type-to-instance map. See also {@link ImmutableTypeToInstanceMap}.
 *
 * @author Ben Yu
 * @since 13.0
 */
public final class MutableTypeToInstanceMap<B extends @Nullable Object>
    extends ForwardingMap<TypeToken<? extends @NonNull B>, B> implements TypeToInstanceMap<B> {
  /** Creates a new map. */

import java.util.Set;
import org.jspecify.annotations.NonNull;
import org.jspecify.annotations.Nullable;

/**
 * A mutable type-to-instance map. See also {@link ImmutableTypeToInstanceMap}.
 *
 * @author Ben Yu
 * @since 13.0
 */
public final class MutableTypeToInstanceMap<B extends @Nullable Object>
    extends ForwardingMap<TypeToken<? extends @NonNull B>, B> implements TypeToInstanceMap<B> {
  /** Creates a new map. */

 *     throw new UnsupportedOperationException();
 *   }
 * }
 *
 * CharSequence unsupported = Reflection.newProxy(CharSequence.class, new Unsupported());
 * </pre>
 *
 * @author Ben Yu
 * @since 12.0
 */
public abstract class AbstractInvocationHandler implements InvocationHandler {
  /** Constructor for use by subclasses. */
  public AbstractInvocationHandler() {}

## Gelecek

Şimdiye kadar, **FastAPI**'ın fikirleriyle birçok kişiye faydalı olduğu apaçık ortada.

Birçok kullanım durumuna daha iyi uyduğu için, önceki alternatiflerin yerine seçiliyor.

Ben ve ekibim dahil, birçok geliştirici ve ekip projelerinde **FastAPI**'ya bağlı.

Tabi, geliştirilecek birçok özellik ve iyileştirme mevcut.

**FastAPI**'ın önünde harika bir gelecek var.

import java.util.List;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests for {@link AbstractInvocationHandler}.
 *
 * @author Ben Yu
 */
@NullUnmarked
public class AbstractInvocationHandlerTest extends TestCase {

  private static final ImmutableList<String> LIST1 = ImmutableList.of("one", "two");

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit test for {@link ImmutableTypeToInstanceMap}.
 *
 * @author Ben Yu
 */
@NullUnmarked
public class ImmutableTypeToInstanceMapTest extends TestCase {

  @AndroidIncompatible // problem with suite builders on Android
  public static Test suite() {
    TestSuite suite = new TestSuite();

import java.util.concurrent.TimeoutException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@link AbstractIdleService}.
 *
 * @author Chris Nokleberg
 * @author Ben Yu
 */
@NullUnmarked
public class AbstractIdleServiceTest extends TestCase {
  public void testStart() {
    TestService service = new TestService();
    assertEquals(0, service.startUpCalled);

import java.util.concurrent.TimeoutException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@link AbstractIdleService}.
 *
 * @author Chris Nokleberg
 * @author Ben Yu
 */
@NullUnmarked
public class AbstractIdleServiceTest extends TestCase {
  public void testStart() {
    TestService service = new TestService();
    assertEquals(0, service.startUpCalled);

 *
 * {@snippet :
 * new ForwardingWrapperTester().testForwarding(Foo.class, new Function<Foo, Foo>() {
 *   public Foo apply(Foo foo) {
 *     return new ForwardingFoo(foo);
 *   }
 * });
 * }
 *
 * @author Ben Yu
 * @since 14.0
 */
@GwtIncompatible
@J2ktIncompatible
@NullMarked
public final class ForwardingWrapperTester {

  private boolean testsEquals = false;

  /**