}
      }
    }
  }

  public void testToArray_withNull() {
    List<@Nullable Double> list = Arrays.asList(0.0, 1.0, null);
    assertThrows(NullPointerException.class, () -> Doubles.toArray(list));
  }

  public void testToArray_withConversion() {
    double[] array = {0.0, 1.0, 2.0};

    List<Byte> bytes = Arrays.asList((byte) 0, (byte) 1, (byte) 2);

    void openCopyTargetFile_nullDest_throwsNPE() {
        // Arrange
        SmbFile dest = null;

        // Act + Assert
        assertThrows(NullPointerException.class, () -> SmbCopyUtil.openCopyTargetFile(dest, SmbConstants.ATTR_NORMAL, false));
    }

    // --- Tests for copyFile exception handling branch ---

    @Nested
    class CopyFileExceptions {

## Version 4.9.1

_2021-01-30_

 *  Fix: Work around a crash in Android 10 and 11 that may be triggered when two threads
    concurrently close an SSL socket. This would have appeared in crash logs as
    `NullPointerException: bio == null`.


## Version 4.9.0

_2020-09-11_

**With this release, `okhttp-tls` no longer depends on Bouncy Castle and doesn't install the

    void testInitSecContextNullBufferNonZeroLen() throws Exception {
        SpnegoContext ctx = newContext();
        // A null buffer with non-zero len leads to NPE while slicing input
        assertThrows(NullPointerException.class, () -> ctx.initSecContext(null, 0, 1));
        verify(this.mechContext, never()).initSecContext(any(), anyInt(), anyInt());
    }

    @Test

            return true;
          }
          target = thatIterator.next();

        } else if (cmp > 0) {
          return false;
        }
      }
    } catch (NullPointerException | ClassCastException e) {
      return false;
    }
  }

  private int unsafeBinarySearch(Object key) throws ClassCastException {
    return Collections.binarySearch(elements, key, unsafeComparator());

  public void testEncloseAll_nullValue() {
    List<@Nullable Integer> nullFirst = Lists.newArrayList(null, 0);
    assertThrows(NullPointerException.class, () -> Range.encloseAll((List<Integer>) nullFirst));
    List<@Nullable Integer> nullNotFirst = Lists.newArrayList(0, null);
    assertThrows(NullPointerException.class, () -> Range.encloseAll((List<Integer>) nullNotFirst));
  }

  public void testEquivalentFactories() {

        // Then - should not throw during construction
        assertNotNull(reqWithNull);

        // But should throw when trying to use the null path
        assertThrows(NullPointerException.class, () -> {
            reqWithNull.size();
        });
    }

    @Test
    @DisplayName("Should write consistent structure at different offsets")

    void testGetInfoWithTypeWhenNull() {
        response = new Trans2QueryPathInformationResponse(mockConfig, FileInformation.FILE_BASIC_INFO);

        assertThrows(NullPointerException.class, () -> {
            response.getInfo(FileBasicInfo.class);
        });
    }

    @Test
    @DisplayName("Test getInfo with compatible type")
    void testGetInfoWithCompatibleType() throws Exception {

   * possible.
   *
   * @param sources the sources to concatenate
   * @return a {@code CharSource} containing the concatenated data
   * @throws NullPointerException if any of {@code sources} is {@code null}
   * @since 15.0
   */
  public static CharSource concat(Iterator<? extends CharSource> sources) {
    return concat(ImmutableList.copyOf(sources));
  }

  /**

   *
   * @param collection a collection of {@code Character} objects
   * @return an array containing the same values as {@code collection}, in the same order, converted
   *     to primitives
   * @throws NullPointerException if {@code collection} or any of its elements is null
   */
  public static char[] toArray(Collection<Character> collection) {
    if (collection instanceof CharArrayAsList) {