* or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

package com.google.common.collect;

import static com.google.common.collect.Maps.immutableEntry;
import static com.google.common.collect.Maps.safeGet;

import com.google.common.annotations.GwtCompatible;
import com.google.errorprone.annotations.CanIgnoreReturnValue;

    assertTrue(entries.contains(immutableEntry("a", true)));
    assertTrue(entries.contains(Maps.<String, @Nullable Boolean>immutableEntry("b", null)));
    assertTrue(
        entries.contains(Maps.<@Nullable String, @Nullable Boolean>immutableEntry(null, null)));

    assertFalse(entries.contains(Maps.<String, @Nullable Boolean>immutableEntry("c", null)));

    assertThat(builder.build().entries()).containsExactly(Maps.immutableEntry("key", "value"));
  }

  public void testBuilderWithExpectedKeysPositive() {
    ImmutableListMultimap.Builder<String, String> builder =
        ImmutableListMultimap.builderWithExpectedKeys(1);
    builder.put("key", "value");
    assertThat(builder.build().entries()).containsExactly(Maps.immutableEntry("key", "value"));
  }

/**
 * Tests for {@link Multisets#immutableEntry}.
 *
 * @author Mike Bostock
 */
@GwtCompatible
@NullMarked
public class MultisetsImmutableEntryTest extends TestCase {
  private static final @Nullable String NE = null;

  private static <E extends @Nullable Object> Entry<E> entry(E element, int count) {
    return Multisets.immutableEntry(element, count);
  }

      SampleElements<E> samples = gen.samples();
      return new SampleElements<>(
          Multisets.immutableEntry(samples.e0(), 3),
          Multisets.immutableEntry(samples.e1(), 4),
          Multisets.immutableEntry(samples.e2(), 1),
          Multisets.immutableEntry(samples.e3(), 5),
          Multisets.immutableEntry(samples.e4(), 2));
    }

    @Override
    public Set<Multiset.Entry<E>> create(Object... entries) {

      int count = entry.getCount();
      size += count;
      E element = checkNotNull(entry.getElement());
      delegateMap.put(element, count);
      if (!(entry instanceof Multisets.ImmutableEntry)) {
        entriesArray[i] = Multisets.immutableEntry(element, count);
      }
    }
    return new JdkBackedImmutableMultiset<>(delegateMap, asImmutableList(entriesArray), size);
  }

  private JdkBackedImmutableMultiset(

            Entry<Range<Integer>, Integer> expectedEntry = null;
            if (range1.contains(i)) {
              expectedEntry = immutableEntry(range1, 1);
            } else if (range2.contains(i)) {
              expectedEntry = immutableEntry(range2, 2);
            }

            assertEquals(expectedEntry, rangeMap.getEntry(i));
          }
        }
      }
    }
  }

    @Override
    public SampleElements<Entry<String, Integer>> samples() {
      return new SampleElements<>(
          immutableEntry("bar", 1),
          immutableEntry("bar", 2),
          immutableEntry("foo", 3),
          immutableEntry("bar", 3),
          immutableEntry("cat", 2));
    }

    @Override
    public Collection<Entry<String, Integer>> create(Object... elements) {

        .containsExactly(immutableEntry(4, "d"), immutableEntry(2, "b"))
        .inOrder();
    assertThat(diff1.entriesOnlyOnRight().entrySet()).contains(immutableEntry(6, "z"));
    assertThat(diff1.entriesInCommon().entrySet()).contains(immutableEntry(1, "a"));
    assertThat(diff1.entriesDiffering().entrySet())
        .containsExactly(
            immutableEntry(5, ValueDifferenceImpl.create("e", "g")),

    Iterator<Entry<E>> entryIterator = entrySet().iterator();
    if (!entryIterator.hasNext()) {
      return null;
    }
    Entry<E> entry = entryIterator.next();
    return Multisets.immutableEntry(entry.getElement(), entry.getCount());
  }

  @Override
  public @Nullable Entry<E> lastEntry() {
    return delegate().lastEntry();
  }

  /**