/**
 * Tests for {@link ImmutableMultimap}.
 *
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public class ImmutableMultimapTest extends TestCase {

  @SuppressWarnings("JUnitIncompatibleType")
  public void testBuilder_withImmutableEntry() {
    ImmutableMultimap<String, Integer> multimap =
        new Builder<String, Integer>().put(immutableEntry("one", 1)).build();

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

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

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

  @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));

        () ->
            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));