HashBiMap<String, String> bimap = HashBiMap.create(map);
    assertThat(bimap.get("canada")).isEqualTo("dollar");
    assertThat(bimap.inverse().get("dollar")).isEqualTo("canada");
  }

  private static final int N = 1000;

  public void testBashIt() throws Exception {
    BiMap<Integer, Integer> bimap = HashBiMap.create(N);
    BiMap<Integer, Integer> inverse = bimap.inverse();

    for (int i = 0; i < N; i++) {

/**
 * Creates, based on your criteria, a JUnit test suite that exhaustively tests a {@code BiMap}
 * implementation.
 *
 * @author Louis Wasserman
 */
@GwtIncompatible
public class BiMapTestSuiteBuilder<K, V>
    extends PerCollectionSizeTestSuiteBuilder<
        BiMapTestSuiteBuilder<K, V>, TestBiMapGenerator<K, V>, BiMap<K, V>, Entry<K, V>> {

  public void testCreate() {
    EnumBiMap<Currency, Country> bimap = EnumBiMap.create(Currency.class, Country.class);
    assertTrue(bimap.isEmpty());
    assertThat(bimap.toString()).isEqualTo("{}");
    assertEquals(HashBiMap.create(), bimap);
    bimap.put(Currency.DOLLAR, Country.CANADA);
    assertEquals(Country.CANADA, bimap.get(Currency.DOLLAR));
    assertEquals(Currency.DOLLAR, bimap.inverse().get(Country.CANADA));
  }

import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_REMOVE;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.BiMap;
import com.google.common.collect.testing.features.MapFeature;
import org.junit.Ignore;

/**
 * Tester for {@code BiMap.clear}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")

import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_REMOVE;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.BiMap;
import com.google.common.collect.testing.features.MapFeature;
import org.junit.Ignore;

/**
 * Tester for {@code BiMap.clear}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")

      ImmutableBiMap<K, V> bimap = (ImmutableBiMap<K, V>) map;
      // TODO(lowasser): if we need to make a copy of a BiMap because the
      // forward map is a view, don't make a copy of the non-view delegate map
      if (!bimap.isPartialView()) {
        return bimap;
      }
    }
    return copyOf(map.entrySet());
  }

  /**

      implements TestMapGenerator<K, V>, DerivedGenerator {

    private final OneSizeTestContainerGenerator<BiMap<K, V>, Entry<K, V>> generator;

    public MapGenerator(
        OneSizeTestContainerGenerator<BiMap<K, V>, Entry<K, V>> oneSizeTestContainerGenerator) {
      this.generator = oneSizeTestContainerGenerator;
    }

    @Override

      implements Iterator<T> {
    final HashBiMap<K, V> biMap;

    @Nullable Node<K, V> next;
    @Nullable Node<K, V> toRemove;
    int expectedModCount;
    int remaining;

    BiIterator(HashBiMap<K, V> biMap) {
      this.biMap = biMap;
      next = biMap.firstInKeyInsertionOrder;
      expectedModCount = biMap.modCount;
      remaining = biMap.size();
    }

    @Override

  }

  // BiMap-specific tests

  @SuppressWarnings("DoNotCall")
  public void testForcePut() {
    BiMap<String, Integer> bimap = ImmutableBiMap.copyOf(ImmutableMap.of("one", 1, "two", 2));
    assertThrows(UnsupportedOperationException.class, () -> bimap.forcePut("three", 3));
  }

  public void testKeySet() {
    ImmutableBiMap<String, Integer> bimap =

  public void testCreate() {
    EnumHashBiMap<Currency, String> bimap = EnumHashBiMap.create(Currency.class);
    assertTrue(bimap.isEmpty());
    assertThat(bimap.toString()).isEqualTo("{}");
    assertEquals(HashBiMap.create(), bimap);
    bimap.put(Currency.DOLLAR, "dollar");
    assertThat(bimap.get(Currency.DOLLAR)).isEqualTo("dollar");
    assertEquals(Currency.DOLLAR, bimap.inverse().get("dollar"));
  }