array[getNumElements() / 2] = e0();
    collection = getSubjectGenerator().create(array);
    assertEquals(
        "indexOf(duplicate) should return index of first occurrence", 0, getList().indexOf(e0()));
  }

    assertThat(Bytes.indexOf(ARRAY1, ARRAY1)).isEqualTo(0);
    assertThat(Bytes.indexOf(ARRAY234, ARRAY234)).isEqualTo(0);
    assertThat(Bytes.indexOf(ARRAY234, new byte[] {(byte) 2, (byte) 3})).isEqualTo(0);
    assertThat(Bytes.indexOf(ARRAY234, new byte[] {(byte) 3, (byte) 4})).isEqualTo(1);
    assertThat(Bytes.indexOf(ARRAY234, new byte[] {(byte) 3})).isEqualTo(1);

            (K k, V v) -> {
              int index = keys().asList().indexOf(k);
              return values().asList().get(index + 1);
            });
    List<Entry<K, V>> expectedEntries = new ArrayList<>();
    for (Entry<K, V> entry : getSampleEntries()) {
      int index = keys().asList().indexOf(entry.getKey());
      expectedEntries.add(Helpers.mapEntry(entry.getKey(), values().asList().get(index + 1)));
    }

            final int indexOf = field.indexOf(':');
            if (indexOf < 0) {
                return new Pair<>(field, null);
            }
            final String indexField = indexOf == 0 ? defaultField : field.substring(0, indexOf);
            final String extensionKey = field.substring(indexOf + 1);
            return new Pair<>(indexField, extensionKey);
        }
    }

    assertThat(Bytes.indexOf(ARRAY1, ARRAY1)).isEqualTo(0);
    assertThat(Bytes.indexOf(ARRAY234, ARRAY234)).isEqualTo(0);
    assertThat(Bytes.indexOf(ARRAY234, new byte[] {(byte) 2, (byte) 3})).isEqualTo(0);
    assertThat(Bytes.indexOf(ARRAY234, new byte[] {(byte) 3, (byte) 4})).isEqualTo(1);
    assertThat(Bytes.indexOf(ARRAY234, new byte[] {(byte) 3})).isEqualTo(1);

    assertThat(iia.indexOf(1)).isEqualTo(0);
    assertThat(iia.indexOf(8)).isEqualTo(5);
    assertThat(iia.indexOf(4)).isEqualTo(-1);
    assertThat(ImmutableDoubleArray.of(13).indexOf(13)).isEqualTo(0);
    assertThat(ImmutableDoubleArray.of().indexOf(21)).isEqualTo(-1);
    assertThat(iia.subArray(1, 5).indexOf(1)).isEqualTo(0);
  }

  public void testIndexOf_specialValues() {

    assertThat(Doubles.indexOf(EMPTY, (double) 1)).isEqualTo(-1);
    assertThat(Doubles.indexOf(ARRAY1, (double) 2)).isEqualTo(-1);
    assertThat(Doubles.indexOf(ARRAY234, (double) 1)).isEqualTo(-1);
    assertThat(Doubles.indexOf(new double[] {(double) -1}, (double) -1)).isEqualTo(0);
    assertThat(Doubles.indexOf(ARRAY234, (double) 2)).isEqualTo(0);
    assertThat(Doubles.indexOf(ARRAY234, (double) 3)).isEqualTo(1);

    assertThat(Chars.indexOf(ARRAY1, ARRAY1)).isEqualTo(0);
    assertThat(Chars.indexOf(ARRAY234, ARRAY234)).isEqualTo(0);
    assertThat(Chars.indexOf(ARRAY234, new char[] {(char) 2, (char) 3})).isEqualTo(0);
    assertThat(Chars.indexOf(ARRAY234, new char[] {(char) 3, (char) 4})).isEqualTo(1);
    assertThat(Chars.indexOf(ARRAY234, new char[] {(char) 3})).isEqualTo(1);

    collection = getSubjectGenerator().create(arrayAndDuplicate.elements);
    E duplicate = arrayAndDuplicate.duplicate;

    int firstIndex = getList().indexOf(duplicate);
    int initialSize = getList().size();
    assertTrue("remove(present) should return true", getList().remove(duplicate));
    assertTrue(

(function(o){var n='';-1!==['width','height','top','right','bottom','left'].indexOf(o)&&Y(t[o])&&(n='px'),e.style[o]=t[o]+n})}function j(e,t){Object.keys(t).forEach(function(o){var n=t[o];!1===n?e.removeAttribute(o):e.setAttribute(o,t[o])})}function q(e,t){var o=e.offsets,n=o.popper,i=o.reference,r=$,p=function(e){return e},s=r(i.width),d=r(n.width),a=-1!==['left','right'].indexOf(e.placement),l=-1!==e.placement.indexOf('-'),f=t?a||l||s%2==d%2?r:Z:p,m=t?r:p;return{left:f(1==s%2&&1==d%2&&!l&&t?n....