import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNotSame;
import static org.junit.jupiter.api.Assertions.assertTrue;

class MavenProjectTest extends AbstractMavenProjectTestCase {

    @Test

  public void testUnmodifiableListMultimapShortCircuit() {
    ListMultimap<String, Integer> mod = ArrayListMultimap.create();
    ListMultimap<String, Integer> unmod = Multimaps.unmodifiableListMultimap(mod);
    assertNotSame(mod, unmod);
    assertSame(unmod, Multimaps.unmodifiableListMultimap(unmod));
    ImmutableListMultimap<String, Integer> immutable =
        ImmutableListMultimap.of("a", 1, "b", 2, "a", 3);

  }

  public void testAsWriter() {
    // Should wrap Appendable in a new object
    Appendable plainAppendable = new StringBuilder();
    Writer result = CharStreams.asWriter(plainAppendable);
    assertNotSame(plainAppendable, result);
    assertThat(result).isNotNull();

    // A Writer should not be wrapped
    Appendable secretlyAWriter = new StringWriter();
    result = CharStreams.asWriter(secretlyAWriter);

  }

  public void testAsWriter() {
    // Should wrap Appendable in a new object
    Appendable plainAppendable = new StringBuilder();
    Writer result = CharStreams.asWriter(plainAppendable);
    assertNotSame(plainAppendable, result);
    assertThat(result).isNotNull();

    // A Writer should not be wrapped
    Appendable secretlyAWriter = new StringWriter();
    result = CharStreams.asWriter(secretlyAWriter);

    assertThat(identity.apply(null)).isNull();
    assertSame("foo", identity.apply("foo"));
  }

  public void testIdentity_notSame() {
    Function<Long, Long> identity = Functions.identity();
    assertNotSame(new Long(135135L), identity.apply(new Long(135135L)));
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testIdentitySerializable() {

    assertThat(identity.apply(null)).isNull();
    assertSame("foo", identity.apply("foo"));
  }

  public void testIdentity_notSame() {
    Function<Long, Long> identity = Functions.identity();
    assertNotSame(new Long(135135L), identity.apply(new Long(135135L)));
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testIdentitySerializable() {

    EnumMap<SomeEnum, Integer> original = Maps.newEnumMap(SomeEnum.class);
    EnumMap<SomeEnum, Integer> copy = Maps.newEnumMap(original);
    assertEquals(original, copy);
    assertNotSame(original, copy);
  }

  public void testEnumMapWithInitialMap() {
    HashMap<SomeEnum, Integer> original = new HashMap<>();
    original.put(SomeEnum.SOME_INSTANCE, 0);

      Object instance = ArbitraryInstances.get(mutableClass);
      assertWithMessage("Expected to return non-null for: %s", mutableClass)
          .that(instance)
          .isNotNull();
      assertNotSame(
          "Expected to return fresh instance for: " + mutableClass,
          instance,
          ArbitraryInstances.get(mutableClass));
    }
  }

  private enum EmptyEnum {}

  }

  public void testLeastOfIterable_ties() {
    Integer foo = new Integer(Integer.MAX_VALUE - 10);
    Integer bar = new Integer(Integer.MAX_VALUE - 10);

    assertNotSame(foo, bar);
    assertEquals(foo, bar);

    List<Integer> list = asList(3, foo, bar, -1);
    List<Integer> result = numberOrdering.leastOf(list, list.size());

  }

  public void testLeastOfIterable_ties() {
    Integer foo = new Integer(Integer.MAX_VALUE - 10);
    Integer bar = new Integer(Integer.MAX_VALUE - 10);

    assertNotSame(foo, bar);
    assertEquals(foo, bar);

    List<Integer> list = asList(3, foo, bar, -1);
    List<Integer> result = numberOrdering.leastOf(list, list.size());