*/
@GwtCompatible
@ElementTypesAreNonnullByDefault
public abstract class TestEnumMapGenerator implements TestMapGenerator<AnEnum, String> {

  @Override
  public SampleElements<Entry<AnEnum, String>> samples() {
    return new SampleElements<>(
        mapEntry(AnEnum.A, "January"),
        mapEntry(AnEnum.B, "February"),
        mapEntry(AnEnum.C, "March"),
        mapEntry(AnEnum.D, "April"),

import com.google.common.annotations.J2ktIncompatible;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.testing.ListTestSuiteBuilder;
import com.google.common.collect.testing.SampleElements;
import com.google.common.collect.testing.TestListGenerator;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;

import com.google.common.annotations.J2ktIncompatible;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.testing.ListTestSuiteBuilder;
import com.google.common.collect.testing.SampleElements;
import com.google.common.collect.testing.TestListGenerator;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;

import com.google.common.annotations.J2ktIncompatible;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.testing.ListTestSuiteBuilder;
import com.google.common.collect.testing.SampleElements;
import com.google.common.collect.testing.TestListGenerator;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;

 * limitations under the License.
 */

package com.google.common.collect;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.collect.testing.SampleElements.Unhashables;
import com.google.common.collect.testing.UnhashableObject;
import java.util.Map;

@GwtIncompatible // GWT's ImmutableMap emulation is backed by java.util.HashMap.

import static com.google.common.collect.Sets.newTreeSet;
import static com.google.common.collect.testing.SampleElements.Strings.AFTER_LAST;
import static com.google.common.collect.testing.SampleElements.Strings.AFTER_LAST_2;
import static com.google.common.collect.testing.SampleElements.Strings.BEFORE_FIRST;
import static com.google.common.collect.testing.SampleElements.Strings.BEFORE_FIRST_2;
import static java.lang.Math.max;
import static java.util.Arrays.asList;

    features.addAll(parentBuilder.getFeatures());

    return NavigableSetTestSuiteBuilder.using(
            new TestSetGenerator<E>() {

              @Override
              public SampleElements<E> samples() {
                return delegate.samples();
              }

              @Override
              public E[] createArray(int length) {
                return delegate.createArray(length);

    suite.addTest(
        SetTestSuiteBuilder.using(
                new TestCellSetGenerator() {
                  @Override
                  public SampleElements<Cell<String, Integer, Character>> samples() {
                    return new SampleElements<>(
                        immutableCell("bar", 1, 'a'),
                        immutableCell("bar", 2, 'b'),
                        immutableCell("bar", 3, (Character) null),

    suite.addTest(
        SetTestSuiteBuilder.using(
                new TestCellSetGenerator() {
                  @Override
                  public SampleElements<Cell<String, Integer, Character>> samples() {
                    return new SampleElements<>(
                        immutableCell("bar", 1, 'a'),
                        immutableCell("bar", 2, 'b'),
                        immutableCell("bar", 3, (Character) null),

 * limitations under the License.
 */

package com.google.common.collect;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.SampleElements.Colliders;
import java.util.Map;

@GwtCompatible
public class ImmutableMapWithBadHashesMapInterfaceTest
    extends AbstractImmutableMapMapInterfaceTest<Object, Integer> {
  @Override