import static com.google.common.collect.ReflectionFreeAssertThrows.assertThrows;
import static com.google.common.collect.testing.Helpers.testCompareToAndEquals;
import static com.google.common.testing.SerializableTester.reserializeAndAssert;
import static com.google.common.truth.Truth.assertThat;
import static java.util.Arrays.asList;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;

import static com.google.common.collect.ReflectionFreeAssertThrows.assertThrows;
import static com.google.common.collect.testing.Helpers.testCompareToAndEquals;
import static com.google.common.testing.SerializableTester.reserializeAndAssert;
import static com.google.common.truth.Truth.assertThat;
import static java.util.Arrays.asList;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;

    assertTrue(multiset.isEmpty());
    reserializeAndAssert(multiset);
  }

  public void testCreateFromIterable() {
    Iterable<Integer> iterable = asList(1, 2, 2, 3, 4);
    ConcurrentHashMultiset<Integer> multiset = ConcurrentHashMultiset.create(iterable);
    assertEquals(2, multiset.count(2));
    reserializeAndAssert(multiset);
  }

  public void testIdentityKeyEquality_strongKeys() {

    assertTrue(empty instanceof EmptyContiguousSet);
    reserializeAndAssert(empty);

    ContiguousSet<Integer> regular = ContiguousSet.create(Range.closed(1, 3), integers());
    assertTrue(regular instanceof RegularContiguousSet);
    reserializeAndAssert(regular);

    /*
     * Make sure that we're using RegularContiguousSet.SerializedForm and not

    assertTrue(empty instanceof EmptyContiguousSet);
    reserializeAndAssert(empty);

    ContiguousSet<Integer> regular = ContiguousSet.create(Range.closed(1, 3), integers());
    assertTrue(regular instanceof RegularContiguousSet);
    reserializeAndAssert(regular);

    /*
     * Make sure that we're using RegularContiguousSet.SerializedForm and not

    assertEquals(0, expected.value);
    reserializeAndAssert(c);
  }

  public void testExplicit_one() {
    Comparator<Integer> c = Ordering.explicit(0);
    assertEquals(0, c.compare(0, 0));
    IncomparableValueException expected =
        assertThrows(IncomparableValueException.class, () -> c.compare(0, 1));
    assertEquals(1, expected.value);
    reserializeAndAssert(c);

    assertEquals(0, expected.value);
    reserializeAndAssert(c);
  }

  public void testExplicit_one() {
    Comparator<Integer> c = Ordering.explicit(0);
    assertEquals(0, c.compare(0, 0));
    IncomparableValueException expected =
        assertThrows(IncomparableValueException.class, () -> c.compare(0, 1));
    assertEquals(1, expected.value);
    reserializeAndAssert(c);

  public void testSerialization() {
    SerializableTester.reserializeAndAssert(HostAndPort.fromParts("host", 80));
    SerializableTester.reserializeAndAssert(HostAndPort.fromString("host"));
    SerializableTester.reserializeAndAssert(HostAndPort.fromString("host:80"));
    SerializableTester.reserializeAndAssert(HostAndPort.fromString("[::1]:104"));
    SerializableTester.reserializeAndAssert(HostAndPort.fromParts("1::2", 103));
  }

  }

  public void testNewWildcardType_serializable() {
    SerializableTester.reserializeAndAssert(Types.supertypeOf(String.class));
    SerializableTester.reserializeAndAssert(Types.subtypeOf(String.class));
    SerializableTester.reserializeAndAssert(Types.subtypeOf(Object.class));
  }

  private static void assertEqualWildcardType(WildcardType expected, WildcardType actual) {

    Multimap<String, Integer> unmodifiable =
        prepareUnmodifiableTests(ArrayListMultimap.<String, Integer>create(), true, null, null);
    SerializableTester.reserializeAndAssert(unmodifiable);
  }

  public void testUnmodifiableArrayListMultimapRandomAccess() {
    ListMultimap<String, Integer> delegate = ArrayListMultimap.create();
    delegate.put("foo", 1);