/**
 * Unit test for {@code Maps}.
 *
 * @author Kevin Bourrillion
 * @author Mike Bostock
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
@SuppressWarnings("JUnitIncompatibleType") // Many intentional violations here.
public class MapsTest extends TestCase {

  private static final Comparator<Integer> SOME_COMPARATOR = Collections.reverseOrder();

  public void testHashMap() {

  public void testToStringEmptyIterator() {
    Iterator<String> iterator = Collections.<String>emptyList().iterator();
    assertThat(Iterators.toString(iterator)).isEqualTo("[]");
  }

  @SuppressWarnings("JUnitIncompatibleType") // Fails with j2kt.
  public void testLimit() {
    List<String> list = new ArrayList<>();
    assertThrows(IllegalArgumentException.class, () -> Iterators.limit(list.iterator(), -1));

        () ->
            type.where(
                new TypeParameter<T>() {},
                (TypeToken<T>) TypeToken.of(new TypeCapture<T>() {}.capture())));
  }

  @SuppressWarnings("JUnitIncompatibleType")
  public void testWhere() {
    assertEquals(new TypeToken<Map<String, Integer>>() {}, mapOf(String.class, Integer.class));

  public void testToStringEmptyIterator() {
    Iterator<String> iterator = Collections.<String>emptyList().iterator();
    assertThat(Iterators.toString(iterator)).isEqualTo("[]");
  }

  @SuppressWarnings("JUnitIncompatibleType") // Fails with j2kt.
  public void testLimit() {
    List<String> list = new ArrayList<>();
    assertThrows(IllegalArgumentException.class, () -> Iterators.limit(list.iterator(), -1));

        () ->
            type.where(
                new TypeParameter<T>() {},
                (TypeToken<T>) TypeToken.of(new TypeCapture<T>() {}.capture())));
  }

  @SuppressWarnings("JUnitIncompatibleType")
  public void testWhere() {
    assertEquals(new TypeToken<Map<String, Integer>>() {}, mapOf(String.class, Integer.class));