* We never want to pass null for them, so we haven't annotated them to say that null is
     * allowed. But at the same time, it seems wasteful to bother inserting the checkNotNull calls
     * that NullPointerTester wants.
     *
     * (This empty method disables the automatic null testing provided by PackageSanityTests.)
     */
  }

    assertThrows(
        IllegalStateException.class, () -> MinMaxPriorityQueue.isEvenLevel(Integer.MIN_VALUE));
  }

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

import com.google.common.collect.testing.google.UnmodifiableCollectionTests;
import com.google.common.testing.CollectorTester;
import com.google.common.testing.NullPointerTester;
import com.google.common.testing.SerializableTester;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Comparator;
import java.util.HashSet;

    for (@SuppressWarnings("unused") Object obj : iterable) {}
  }

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

  // More exhaustive tests are in IteratorsTest.

          return from.value;
        }
      };
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointerExceptions() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(Ordering.class);

    // any Ordering<Object> instance that accepts nulls should be good enough

          return from.value;
        }
      };
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointerExceptions() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(Ordering.class);

    // any Ordering<Object> instance that accepts nulls should be good enough

    return ImmutableList.of(
        createMapMaker().weakValues(), createMapMaker().weakKeys().weakValues());
  }

  public void testNullParameters() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicInstanceMethods(makeMap(createMapMaker()));
  }

    return ImmutableList.of(
        createMapMaker().weakValues(), createMapMaker().weakKeys().weakValues());
  }

  public void testNullParameters() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicInstanceMethods(makeMap(createMapMaker()));
  }

    hashmap.put("baz", null);

    assertEquals(hashmap.toString(), Maps.toStringImpl(hashmap));
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointerExceptions() {
    new NullPointerTester().testAllPublicStaticMethods(Maps.class);
  }

  private static final Map<Integer, Integer> EMPTY = emptyMap();

    assertThrows(IllegalArgumentException.class, () -> bazList.addAll(0, ImmutableList.of(9, 10)));
  }

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