import static java.lang.Math.signum;
import static org.junit.Assert.assertThrows;

import com.google.common.collect.testing.Helpers;
import com.google.common.primitives.UnsignedBytes.LexicographicalComparatorHolder.UnsafeComparator;
import com.google.common.testing.NullPointerTester;
import com.google.common.testing.SerializableTester;
import java.util.Arrays;
import java.util.Comparator;
import java.util.List;
import java.util.Random;