import java.util.Iterator;
import java.util.NoSuchElementException;
import junit.framework.TestCase;

/**
 * Unit test for {@link MinimalIterable}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
public class MinimalIterableTest extends TestCase {

  public void testOf_empty() {
    Iterable<String> iterable = MinimalIterable.<String>of();
    Iterator<String> iterator = iterable.iterator();

import java.util.Iterator;
import java.util.NoSuchElementException;
import junit.framework.TestCase;

/**
 * Unit test for {@link MinimalIterable}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
public class MinimalIterableTest extends TestCase {

  public void testOf_empty() {
    Iterable<String> iterable = MinimalIterable.<String>of();
    Iterator<String> iterator = iterable.iterator();

  @GwtIncompatible // SerializableTester
  public void testOf_subSetSerialization() {
    SortedSet<String> set = of("e", "f", "b", "d", "c");
    SerializableTester.reserializeAndAssert(set.subSet("c", "e"));
  }

  public void testOf_first() {
    SortedSet<String> set = of("e", "f", "b", "d", "c");
    assertEquals("b", set.first());
  }

  public void testOf_last() {

    assertTrue(map.isEmpty());
    assertSame(map, ImmutableClassToInstanceMap.of());
    assertSame(map, ImmutableClassToInstanceMap.copyOf(map));
  }

  public void testOf_zero() {
    assertTrue(ImmutableClassToInstanceMap.of().isEmpty());
  }

  public void testOf_one() {
    ImmutableClassToInstanceMap<Number> map = ImmutableClassToInstanceMap.of(int.class, 1);
    assertEquals(1, map.size());
  }

  @SuppressWarnings("OptionalOfRedundantMethod") // Unit tests for Optional
  public void testOr_T_present() {
    assertEquals("a", Optional.of("a").or("default"));
  }

  public void testOr_T_absent() {
    assertEquals("default", Optional.absent().or("default"));
  }

  @SuppressWarnings("OptionalOfRedundantMethod") // Unit tests for Optional
  public void testOr_supplier_present() {

  @GwtIncompatible // SerializableTester
  public void testOf_subSetSerialization() {
    SortedSet<String> set = of("e", "f", "b", "d", "c");
    SerializableTester.reserializeAndAssert(set.subSet("c", "e"));
  }

  public void testOf_first() {
    SortedSet<String> set = of("e", "f", "b", "d", "c");
    assertEquals("b", set.first());
  }

  public void testOf_last() {

    assertTrue(map.isEmpty());
    assertSame(map, ImmutableClassToInstanceMap.of());
    assertSame(map, ImmutableClassToInstanceMap.copyOf(map));
  }

  public void testOf_zero() {
    assertTrue(ImmutableClassToInstanceMap.of().isEmpty());
  }

  public void testOf_one() {
    ImmutableClassToInstanceMap<Number> map = ImmutableClassToInstanceMap.of(int.class, 1);
    assertEquals(1, map.size());
  }

  }

  @SuppressWarnings("OptionalOfRedundantMethod") // Unit tests for Optional
  public void testOr_T_present() {
    assertEquals("a", Optional.of("a").or("default"));
  }

  public void testOr_T_absent() {
    assertEquals("default", Optional.absent().or("default"));
  }

  @SuppressWarnings("OptionalOfRedundantMethod") // Unit tests for Optional
  public void testOr_supplier_present() {

    this.tester = EquivalenceTester.of(equivalenceMock);
  }

  /** Test null reference yields error */
  public void testOf_NullPointerException() {
    try {
      EquivalenceTester.of(null);
      fail("Should fail on null reference");
    } catch (NullPointerException expected) {
    }
  }

  public void testTest_NoData() {
    tester.test();
  }

  public void testTest() {

    this.tester = EquivalenceTester.of(equivalenceMock);
  }

  /** Test null reference yields error */
  public void testOf_NullPointerException() {
    try {
      EquivalenceTester.of(null);
      fail("Should fail on null reference");
    } catch (NullPointerException expected) {
    }
  }

  public void testTest_NoData() {
    tester.test();
  }

  public void testTest() {