import org.jspecify.annotations.NullMarked;

/**
 * Create integer sets for testing collections that are sorted by natural ordering.
 *
 * @author Chris Povirk
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public abstract class TestIntegerSortedSetGenerator extends TestIntegerSetGenerator {
  @Override
  protected abstract SortedSet<Integer> create(Integer[] elements);

  /** Sorts the elements by their natural ordering. */
  /*

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

/**
 * Unit test for {@link Defaults}.
 *
 * @author Jige Yu
 */
@GwtIncompatible
@NullUnmarked
public class DefaultsTest extends TestCase {
  public void testGetDefaultValue() {
    assertEquals(false, Defaults.defaultValue(boolean.class).booleanValue());
    assertEquals('\0', Defaults.defaultValue(char.class).charValue());

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

/**
 * Unit test for {@link Defaults}.
 *
 * @author Jige Yu
 */
@GwtIncompatible
@NullUnmarked
public class DefaultsTest extends TestCase {
  public void testGetDefaultValue() {
    assertEquals(false, Defaults.defaultValue(boolean.class).booleanValue());
    assertEquals('\0', Defaults.defaultValue(char.class).charValue());

/**
 * JSON utilities.
 *
 * @author shinsuke
 *
 */
public class JsonUtil {

    /**
     * Defualt constructor.
     */
    protected JsonUtil() {
    }

    /**
     * Escapes a value as Json string.
     *
     * @param value input
     * @return escaped string.
     */
    public static String escape(final String value) {
        if (value == null) {
            return null;

 * OpenJDK 6 bugs.
 *
 * @author Kevin Bourrillion
 */
@AndroidIncompatible // test-suite builders
public class OpenJdk6QueueTests extends TestsForQueuesInJavaUtil {
  public static Test suite() {
    return new OpenJdk6QueueTests().allTests();
  }

  private static final List<Method> PQ_SUPPRESS = asList(getCreateWithNullUnsupportedMethod());

  @Override

import com.google.common.collect.TableCollectionTest.ColumnMapTests;
import java.util.Map;
import org.jspecify.annotations.NullMarked;

@GwtCompatible
@NullMarked
public class TablesTransformValuesColumnMapTest extends ColumnMapTests {
  public TablesTransformValuesColumnMapTest() {
    super(false, true, true, false);
  }

  @Override
  Table<Integer, String, Character> makeTable() {

import com.google.common.collect.TableCollectionTest.RowMapTests;
import java.util.Map;
import org.jspecify.annotations.NullMarked;

@GwtCompatible
@NullMarked
public class TablesTransformValuesRowMapTest extends RowMapTests {
  public TablesTransformValuesRowMapTest() {
    super(false, true, true, true);
  }

  @Override
  Table<String, Integer, Character> makeTable() {

import com.google.common.collect.TableCollectionTest.RowMapTests;
import java.util.Map;
import org.jspecify.annotations.NullMarked;

@GwtCompatible
@NullMarked
public class TreeBasedTableRowMapTailMapTest extends RowMapTests {
  public TreeBasedTableRowMapTailMapTest() {
    super(false, true, true, true);
  }

  @Override
  TreeBasedTable<String, Integer, Character> makeTable() {

import com.google.common.collect.TableCollectionTest.ColumnTests;
import java.util.Map;
import org.jspecify.annotations.NullMarked;

@GwtCompatible
@NullMarked
public class UnmodifiableRowSortedTableColumnTest extends ColumnTests {
  public UnmodifiableRowSortedTableColumnTest() {
    super(false, false, false, false, false);
  }

  @Override
  Table<String, Character, Integer> makeTable() {

import com.google.common.collect.TableCollectionTest.ColumnTests;
import java.util.Map;
import org.jspecify.annotations.NullMarked;

@GwtCompatible
@NullMarked
public class UnmodifiableTableColumnTest extends ColumnTests {
  public UnmodifiableTableColumnTest() {
    super(false, false, false, false, false);
  }

  @Override
  Table<String, Character, Integer> makeTable() {