@GwtIncompatible // reflection
  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));
  }

    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);
  }

  }

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

  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointers() {
    NullPointerTester tester = new NullPointerTester();
    tester.setDefault(double.class, 3.0);
    tester.testAllPublicStaticMethods(DoubleMath.class);
  }

import com.google.common.collect.Multimap;
import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.features.MapFeature;
import org.junit.Ignore;

/**
 * Tester for {@link Multimap#containsEntry}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")

import java.util.List;
import java.util.Set;
import junit.framework.TestSuite;

/**
 * Concrete instantiation of {@link AbstractCollectionTestSuiteBuilder} for testing collections that
 * do not have a more specific tester like {@link ListTestSuiteBuilder} or {@link
 * SetTestSuiteBuilder}.
 *
 * @author Chris Povirk
 * @author Louis Wasserman
 */
@GwtIncompatible
public class CollectionTestSuiteBuilder<E>

import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.features.MapFeature;
import java.util.Map.Entry;
import org.junit.Ignore;

/** Tester for {@code BiMap.entrySet} and methods on the entries in the set. */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")

import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.features.MapFeature;
import java.util.Iterator;
import org.junit.Ignore;

/**
 * Tester for {@code BiMap.remove}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")

        execJob.testDeleteTempDir(null);

        // Test with existing directory
        File testDir = new File(tempDir, "test_delete_dir");
        assertTrue(testDir.mkdir());
        assertTrue(testDir.exists());

        execJob.testDeleteTempDir(testDir);
        assertFalse(testDir.exists());

        // Test with non-existent directory
        File nonExistentDir = new File(tempDir, "non_existent");

import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.features.MapFeature;
import java.util.Iterator;
import org.junit.Ignore;

/**
 * Tester for {@code Multimap.entries}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")