public void testToStringFunctionSerializable() {
    checkCanReserializeSingleton(Functions.toStringFunction());
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointerExceptions() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(Functions.class);
  }

  public void testForMapWithoutDefault() {
    Map<String, @Nullable Integer> map = new HashMap<>();

            CollectionFeature.KNOWN_ORDER,
            CollectionSize.ANY)
        .createTestSuite();
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointerExceptions() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(Collections2.class);
  }

  public void testOrderedPermutationSetEmpty() {
    List<Integer> list = new ArrayList<>();

  private static final int MAX_ADDEND = 100;

  private final Random random = new Random(301);

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNulls() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicConstructors(AtomicLongMap.class);
    tester.testAllPublicStaticMethods(AtomicLongMap.class);
    AtomicLongMap<Object> map = AtomicLongMap.create();

    assertThat(cache.localCache.defaultLoader).isSameInstanceAs(loader);
  }

  // null parameters test

  public void testNullParameters() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    CacheLoader<Object, Object> loader = identityLoader();
    tester.testAllPublicInstanceMethods(makeCache(createCacheBuilder(), loader));
  }

  // stats tests

  public void testStats() {

import static org.junit.Assert.assertThrows;

import com.google.common.collect.Lists;
import com.google.common.testing.EqualsTester;
import com.google.common.testing.NullPointerTester;
import com.google.common.testing.NullPointerTester.Visibility;
import com.google.common.testing.SerializableTester;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.lang.reflect.GenericArrayType;

        }
      }
    }
  }

  /**
   * Performs {@link NullPointerTester} checks for all top-level classes in the package. For a class
   * {@code C}
   *
   * <ul>
   *   <li>All visible static methods are checked such that passing null for any parameter that's
   *       not annotated nullable (according to the rules of {@link NullPointerTester}) should throw
   *       {@link NullPointerException}.

    assertThat(table.columnKeySet()).containsExactly(1, 2, 3);
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointerInstance() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 2, 'c', "bar", 3, 'd');
    new NullPointerTester().testAllPublicInstanceMethods(table);
  }

    assertThrows(
        IllegalArgumentException.class, () -> DoubleMath.mean(ImmutableList.<Long>of().iterator()));
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointers() {
    NullPointerTester tester = new NullPointerTester();
    tester.setDefault(double.class, 3.0);
    tester.testAllPublicStaticMethods(DoubleMath.class);
  }

        .roundUnnecessaryShouldThrow()
        .test();
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointers() {
    NullPointerTester tester = new NullPointerTester();
    tester.setDefault(BigInteger.class, ONE);
    tester.setDefault(int.class, 1);
    tester.setDefault(long.class, 1L);

  }

  @J2ktIncompatible
  @GwtIncompatible // reflection
  public void testNulls() {
    new NullPointerTester().testAllPublicStaticMethods(EnumHashBiMap.class);
    new NullPointerTester().testAllPublicInstanceMethods(EnumHashBiMap.create(Currency.class));
  }