@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() {

  @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() {

  }

  @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() {

  @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() {

import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit test for {@link FluentIterable}.
 *
 * @author Marcin Mikosik
 */
@GwtCompatible(emulated = true)
public class FluentIterableTest extends TestCase {

  @GwtIncompatible // NullPointerTester
  public void testNullPointerExceptions() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(FluentIterable.class);
  }

import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit test for {@link FluentIterable}.
 *
 * @author Marcin Mikosik
 */
@GwtCompatible(emulated = true)
public class FluentIterableTest extends TestCase {

  @GwtIncompatible // NullPointerTester
  public void testNullPointerExceptions() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(FluentIterable.class);
  }

  public void testNulls() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(ImmutableListMultimap.class);
    tester.ignore(ImmutableListMultimap.class.getMethod("get", Object.class));
    tester.testAllPublicInstanceMethods(ImmutableListMultimap.of());
    tester.testAllPublicInstanceMethods(ImmutableListMultimap.of("a", 1));
  }

  public void testNulls() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(ImmutableListMultimap.class);
    tester.ignore(ImmutableListMultimap.class.getMethod("get", Object.class));
    tester.testAllPublicInstanceMethods(ImmutableListMultimap.of());
    tester.testAllPublicInstanceMethods(ImmutableListMultimap.of("a", 1));
  }

  public void testNulls() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(ImmutableSetMultimap.class);
    tester.ignore(ImmutableSetMultimap.class.getMethod("get", Object.class));
    tester.testAllPublicInstanceMethods(ImmutableSetMultimap.of());
    tester.testAllPublicInstanceMethods(ImmutableSetMultimap.of("a", 1));
  }

  public void testNulls() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(ImmutableSetMultimap.class);
    tester.ignore(ImmutableSetMultimap.class.getMethod("get", Object.class));
    tester.testAllPublicInstanceMethods(ImmutableSetMultimap.of());
    tester.testAllPublicInstanceMethods(ImmutableSetMultimap.of("a", 1));
  }