}

  public void testOf() {
    assertEquals("training", Optional.of("training").get());
  }

  public void testOf_null() {
    try {
      Optional.of(null);
      fail();
    } catch (NullPointerException expected) {
    }
  }

  public void testFromNullable() {
    Optional<String> optionalName = Optional.fromNullable("bob");
    assertEquals("bob", optionalName.get());
  }

  public void testHashCode() {
    for (float value : VALUES) {
      assertThat(Floats.hashCode(value)).isEqualTo(((Float) value).hashCode());
    }
  }

  public void testIsFinite() {
    for (float value : NUMBERS) {
      assertThat(Floats.isFinite(value))
          .isEqualTo(!(Float.isInfinite(value) || Float.isNaN(value)));
    }
  }

  public void testCompare() {
    for (float x : VALUES) {

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testAlwaysTrue_serialization() {
    checkSerialization(Predicates.alwaysTrue());
  }

  /*
   * Tests for Predicates.alwaysFalse().
   */

  public void testAlwaysFalse_apply() throws Exception {
    assertEvalsToFalse(Predicates.alwaysFalse());
  }

  public void testAlwaysFalse_equality() throws Exception {
    new EqualsTester()

    }
  }

  public void testSize0() {
    Iterator<String> iterator = Iterators.emptyIterator();
    assertEquals(0, Iterators.size(iterator));
  }

  public void testSize1() {
    Iterator<Integer> iterator = Collections.singleton(0).iterator();
    assertEquals(1, Iterators.size(iterator));
  }

  public void testSize_partiallyConsumed() {

  }

  public void testMappingAnd_infiniteY2() {
    assertThrows(
        IllegalArgumentException.class,
        () -> LinearTransformation.mapping(1.2, 3.4).and(5.6, Double.POSITIVE_INFINITY));
  }

  public void testMapping_nanX1() {
    assertThrows(
        IllegalArgumentException.class, () -> LinearTransformation.mapping(Double.NaN, 3.4));
  }

  public void testMapping_nanY1() {
    assertThrows(

  }

  public void testMappingAnd_infiniteY2() {
    assertThrows(
        IllegalArgumentException.class,
        () -> LinearTransformation.mapping(1.2, 3.4).and(5.6, Double.POSITIVE_INFINITY));
  }

  public void testMapping_nanX1() {
    assertThrows(
        IllegalArgumentException.class, () -> LinearTransformation.mapping(Double.NaN, 3.4));
  }

  public void testMapping_nanY1() {
    assertThrows(

  }

  public void testGet() {
    assertEquals("blah", testTable.get('a', 1));
    assertNull(testTable.get('a', 2));
    assertNull(testTable.get('A', 1));
    assertNull(testTable.get('A', 2));
  }

  public void testIsEmpty() {
    assertFalse(testTable.isEmpty());
  }

  public void testSize() {
    assertEquals(1, testTable.size());
  }

  public void testValues() {

  // retainAll(empty)

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(ZERO)
  public void testRetainAll_emptyPreviouslyEmpty() {
    expectReturnsFalse(empty);
    expectUnchanged();
  }

  @CollectionFeature.Require(absent = SUPPORTS_REMOVE)
  @CollectionSize.Require(ZERO)
  public void testRetainAll_emptyPreviouslyEmptyUnsupported() {
    expectReturnsFalseOrThrows(empty);
    expectUnchanged();
  }

    return suite;
  }

  public void testCreation_noArgs() {
    Multiset<String> multiset = ImmutableSortedMultiset.of();
    assertTrue(multiset.isEmpty());
  }

  public void testCreation_oneElement() {
    Multiset<String> multiset = ImmutableSortedMultiset.of("a");
    assertEquals(HashMultiset.create(asList("a")), multiset);
  }

  public void testCreation_twoElements() {

    return suite;
  }

  public void testCreation_noArgs() {
    Multiset<String> multiset = ImmutableSortedMultiset.of();
    assertTrue(multiset.isEmpty());
  }

  public void testCreation_oneElement() {
    Multiset<String> multiset = ImmutableSortedMultiset.of("a");
    assertEquals(HashMultiset.create(asList("a")), multiset);
  }

  public void testCreation_twoElements() {