@Override
  protected final void assertMoreInvariants(Map<K, V> map) {
    BiMap<K, V> bimap = (BiMap<K, V>) map;

    for (Entry<K, V> entry : map.entrySet()) {
      assertEquals(entry.getKey() + "=" + entry.getValue(), entry.toString());
      assertEquals(entry.getKey(), bimap.inverse().get(entry.getValue()));
    }

    assertEquals("{" + JOINER.join(map.entrySet()) + "}", map.toString());

                  @Override
                  protected BiMap<String, String> create(Entry<String, String>[] entries) {
                    BiMap<String, String> bimap = HashBiMap.create(entries.length);
                    for (Entry<String, String> entry : entries) {
                      checkArgument(!bimap.containsKey(entry.getKey()));
                      bimap.put(entry.getKey(), entry.getValue());
                    }

    hashMap.put("two", 2);
    ImmutableBiMap<String, Integer> bimap = ImmutableBiMap.copyOf(hashMap);
    assertMapEquals(bimap, "one", 1, "two", 2);
    assertMapEquals(bimap.inverse(), 1, "one", 2, "two");
  }

  public void testFromImmutableMap() {
    ImmutableBiMap<String, Integer> bimap =
        ImmutableBiMap.copyOf(
            new ImmutableMap.Builder<String, Integer>()
                .put("one", 1)

  }

  @Override
  public Set<N> adjacentNodes() {
    return Collections.unmodifiableSet(((BiMap<E, N>) incidentEdgeMap).values());
  }

  @Override
  public Set<E> edgesConnecting(N node) {
    return new EdgesConnecting<>(((BiMap<E, N>) incidentEdgeMap).inverse(), node);
  }

  }

  public void testInverse() {
    BiMap<String, Integer> bimap = create();
    BiMap<Integer, String> inverse = bimap.inverse();
    assertSame(bimap, inverse.inverse());
    assertTrue(inverse instanceof SynchronizedBiMap);
    assertSame(mutex, ((SynchronizedBiMap<?, ?>) inverse).mutex);
  }

  @Override
  public void testValues() {
    BiMap<String, Integer> map = create();

 * limitations under the License.
 */

package com.google.common.collect.testing.google;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.BiMap;
import com.google.common.collect.testing.Helpers;
import com.google.common.collect.testing.SampleElements;
import java.util.List;
import java.util.Map.Entry;

/**

    hashMap.put("two", 2);
    ImmutableBiMap<String, Integer> bimap = ImmutableBiMap.copyOf(hashMap);
    assertMapEquals(bimap, "one", 1, "two", 2);
    assertMapEquals(bimap.inverse(), 1, "one", 2, "two");
  }

  public void testFromImmutableMap() {
    ImmutableBiMap<String, Integer> bimap =
        ImmutableBiMap.copyOf(
            new ImmutableMap.Builder<String, Integer>()
                .put("one", 1)

/**
 * 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>> {

  @Override
  public Set<N> predecessors() {
    return Collections.unmodifiableSet(((BiMap<E, N>) inEdgeMap).values());
  }

  @Override
  public Set<N> successors() {
    return Collections.unmodifiableSet(((BiMap<E, N>) outEdgeMap).values());
  }

  @Override
  public Set<E> edgesConnecting(N node) {
    return new EdgesConnecting<>(((BiMap<E, N>) outEdgeMap).inverse(), node);
  }

  }

  public void testAsConverter_withNullMapping() throws Exception {
    BiMap<String, @Nullable Integer> biMap = HashBiMap.create();
    biMap.put("one", 1);
    biMap.put("two", 2);
    biMap.put("three", null);
    try {
      Maps.asConverter((BiMap<String, Integer>) biMap).convert("three");
      fail();
    } catch (IllegalArgumentException expected) {
    }
  }