import com.google.common.collect.ImmutableMap;
import java.util.Arrays;
import java.util.Map;
import junit.framework.TestCase;

/**
 * Tests for {@link MoreObjects#toStringHelper(Object)}.
 *
 * @author Jason Lee
 */
@GwtCompatible
public class ToStringHelperTest extends TestCase {

  @GwtIncompatible // Class names are obfuscated in GWT
  public void testConstructor_instance() {

   * b)} is true if and only if {@code equivalence.equivalent(function.apply(a), function.apply(b))}
   * is true.
   *
   * <p>For example:
   *
   * <pre>{@code
   * Equivalence<Person> SAME_AGE = Equivalence.equals().onResultOf(GET_PERSON_AGE);
   * }</pre>
   *
   * <p>{@code function} will never be invoked with a null value.
   *
   * <p>Note that {@code function} must be consistent according to {@code this} equivalence

   * b)} is true if and only if {@code equivalence.equivalent(function.apply(a), function.apply(b))}
   * is true.
   *
   * <p>For example:
   *
   * <pre>{@code
   * Equivalence<Person> SAME_AGE = Equivalence.equals().onResultOf(GET_PERSON_AGE);
   * }</pre>
   *
   * <p>{@code function} will never be invoked with a null value.
   *
   * <p>Note that {@code function} must be consistent according to {@code this} equivalence