import com.google.common.testing.NullPointerTester;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * {@link TestCase} for {@link InternetDomainName}.
 *
 * @author Craig Berry
 */
@GwtCompatible
@NullUnmarked
public final class InternetDomainNameTest extends TestCase {
  private static final InternetDomainName UNICODE_EXAMPLE =

    assertTrue(len4.matches('d'));
    for (char c = 'e'; c < 'z'; c++) {
      assertFalse(len4.matches(c));
    }

    Random rand = new Random(1234);
    for (int testCase = 0; testCase < 100; testCase++) {
      char[] chars = randomChars(rand, rand.nextInt(63) + 1);
      CharMatcher m = SmallCharMatcher.from(bitSet(chars), new String(chars));
      checkExactMatches(m, chars);
    }
  }

import java.util.Arrays;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Unit tests for {@link HashCode}.
 *
 * @author Dimitris Andreou
 * @author Kurt Alfred Kluever
 */
@NullUnmarked
public class HashCodeTest extends TestCase {
  // note: asInt(), asLong() are in little endian

import java.util.Comparator;
import java.util.List;
import java.util.Random;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for UnsignedLongs
 *
 * @author Brian Milch
 * @author Louis Wasserman
 */
@GwtCompatible
@NullUnmarked
public class UnsignedLongsTest extends TestCase {
  private static final long LEAST = 0L;
  private static final long GREATEST = 0xffffffffffffffffL;

import java.util.List;
import java.util.NoSuchElementException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Unit test for {@link Range}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullMarked
public class RangeTest extends TestCase {
  public void testOpen() {
    Range<Integer> range = Range.open(4, 8);

import java.math.BigInteger;
import java.math.RoundingMode;
import java.util.Arrays;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@code DoubleMath}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@NullUnmarked
public class DoubleMathTest extends TestCase {

  private static final BigDecimal MAX_INT_AS_BIG_DECIMAL = BigDecimal.valueOf(Integer.MAX_VALUE);

import java.util.Collections;
import java.util.List;
import java.util.Random;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests for {@link Quantiles}.
 *
 * @author Pete Gillin
 */
@NullUnmarked
public class QuantilesTest extends TestCase {

  /*

import java.util.EnumMap;
import java.util.EnumSet;
import java.util.Map;
import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;

/**
 * Tests for BigIntegerMath.
 *
 * @author Louis Wasserman
 */
@NullMarked
@GwtCompatible
public class BigIntegerMathTest extends TestCase {
  public void testCeilingPowerOfTwo() {
    for (BigInteger x : POSITIVE_BIGINTEGER_CANDIDATES) {

import java.util.Collections;
import java.util.List;
import java.util.Random;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests for {@link Quantiles}.
 *
 * @author Pete Gillin
 */
@NullUnmarked
public class QuantilesTest extends TestCase {

  /*

import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Unit tests for {@link EqualsTester}.
 *
 * @author Jim McMaster
 */
@GwtCompatible
@SuppressWarnings("MissingTestCall")
@NullUnmarked
public class EqualsTesterTest extends TestCase {
  private ValidTestObject reference;