private final EqualsTester tester = new EqualsTester();

    TypeVariableEqualsTester addEqualityGroup(Type jvmType, Type... types) {
      if (Types.NativeTypeVariableEquals.NATIVE_TYPE_VARIABLE_ONLY) {
        tester.addEqualityGroup(jvmType);
        tester.addEqualityGroup((Object[]) types);
      } else {
        tester.addEqualityGroup(Lists.asList(jvmType, types).toArray());
      }

    assertTrue(Objects.hashCode(1, 2, 3) != Objects.hashCode(2, 3, 1));
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointers() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(Objects.class);
  }

import com.google.common.collect.Lists;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.util.ArrayList;
import java.util.List;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Tester for equals() and hashCode() methods of a class.
 *
 * <p>The simplest use case is:
 *
 * <pre>
 * new EqualsTester().addEqualityGroup(foo).testEquals();
 * </pre>
 *

import com.google.common.collect.Lists;
import com.google.common.testing.RelationshipTester.ItemReporter;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.util.List;

/**
 * Tester for {@link Equivalence} relationships between groups of objects.
 *
 * <p>To use, create a new {@link EquivalenceTester} and add equivalence groups where each group

 */
@GwtCompatible(emulated = true)
public class FakeTickerTest extends TestCase {

  @GwtIncompatible // NullPointerTester
  public void testNullPointerExceptions() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicInstanceMethods(new FakeTicker());
  }

  @GwtIncompatible // java.time.Duration
  @SuppressWarnings("Java7ApiChecker") // guava-android can rely on library desugaring now.

      }
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullArguments() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(CaseFormat.class);
    for (CaseFormat format : CaseFormat.values()) {
      tester.testAllPublicInstanceMethods(format);
    }
  }

  public void testLowerHyphenToLowerHyphen() {

  public void testNulls() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(ImmutableSetMultimap.class);
    tester.ignore(ImmutableSetMultimap.class.getMethod("get", Object.class));
    tester.testAllPublicInstanceMethods(ImmutableSetMultimap.of());
    tester.testAllPublicInstanceMethods(ImmutableSetMultimap.of("a", 1));
  }

  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointers() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicConstructors(MinMaxPriorityQueue.class);
    tester.testAllPublicStaticMethods(MinMaxPriorityQueue.class);
    tester.testAllPublicInstanceMethods(MinMaxPriorityQueue.<String>create());
  }

  }

  static void checkPositive(int value, String name) {
    if (value <= 0) {
      throw new IllegalArgumentException(name + " must be positive but was: " + value);
    }
  }

  /**
   * Precondition tester for {@code Iterator.remove()} that throws an exception with a consistent
   * error message.
   */
  static void checkRemove(boolean canRemove) {
    checkState(canRemove, "no calls to next() since the last call to remove()");

  }

  static void checkPositive(int value, String name) {
    if (value <= 0) {
      throw new IllegalArgumentException(name + " must be positive but was: " + value);
    }
  }

  /**
   * Precondition tester for {@code Iterator.remove()} that throws an exception with a consistent
   * error message.
   */
  static void checkRemove(boolean canRemove) {
    checkState(canRemove, "no calls to next() since the last call to remove()");