* @param srcOffset source offset
     * @param dst destination array
     * @param dstOffset destination offset
     * @param length copy length
     * @throws IllegalArgumentException if bounds are invalid
     */
    public static void validateArrayBounds(byte[] src, int srcOffset, byte[] dst, int dstOffset, int length) {
        if (src == null || dst == null) {

            // When
            Type2Message message = new Type2Message(mockContext);

            // Then
            assertNotNull(message, "Message should not be null");
            // Verify default flags are set
            int expectedFlags =
                    Type2Message.NTLMSSP_NEGOTIATE_NTLM | Type2Message.NTLMSSP_NEGOTIATE_VERSION | Type2Message.NTLMSSP_NEGOTIATE_UNICODE;

}

// Transaction start a transaction as a block, return error will rollback, otherwise to commit. Transaction executes an
// arbitrary number of commands in fc within a transaction. On success the changes are committed; if an error occurs
// they are rolled back.
func (db *DB) Transaction(fc func(tx *DB) error, opts ...*sql.TxOptions) (err error) {
	panicked := true

	if committer, ok := db.Statement.ConnPool.(TxCommitter); ok && committer != nil {

    assertEquals(Hashing.consistentHash(equivLong, 5555), Hashing.consistentHash(hashCode, 5555));
  }

  /**
   * Check a few "golden" values to see that implementations across languages are equivalent.
   *
   */
  public void testConsistentHash_linearCongruentialGeneratorCompatibility() {
    int[] golden100 = {
      0, 55, 62, 8, 45, 59, 86, 97, 82, 59,
      73, 37, 17, 56, 86, 21, 90, 37, 38, 83

        .inOrder();
  }

  public void testCopyOf_array_empty() {
    /*
     * We don't guarantee the same-as property, so we aren't obligated to test it. However, it's
     * useful in testing - when two things are the same then one can't have bugs the other doesn't.
     */
    assertThat(ImmutableLongArray.copyOf(new long[0])).isSameInstanceAs(ImmutableLongArray.of());
  }

  public void testCopyOf_array_nonempty() {

                MockCreateContextRequest context = new MockCreateContextRequest(name);
                assertNotNull(context.getName());
                assertEquals(4, context.getName().length); // Most SMB2 context names are 4 bytes
                assertArrayEquals(name.getBytes(StandardCharsets.UTF_8), context.getName());
            }
        }
    }

    @Nested
    @DisplayName("Performance Tests")

            effectiveScope = originalScope;
        } else if (Artifact.SCOPE_TEST.equals(originalScope) || Artifact.SCOPE_PROVIDED.equals(originalScope)) {
            // test and provided are not transitive, so exclude them
            effectiveScope = null;
        } else if (Artifact.SCOPE_SYSTEM.equals(originalScope)) {
            // system scope come through unchanged...

			if !readStart && cumulativeSum+v > skipLen {
				// Read starts at the current part
				readStart = true

				partOffset = skipLen - cumulativeSum

				// All return values except `l` are
				// calculated here.
				sn = uint32(partOffset / pkgSz)
				skip = partOffset % pkgSz
				ps = i
				o = cumulativeEncSum + int64(sn)*(pkgSz+32)

				partDarePkgOffset = partOffset - skip
			}

```

Nó là một thứ khác.

Chúng ta sử dụng dấu hai chấm (`:`), không phải dấu bằng (`=`).

Và việc thêm gợi ý kiểu dữ liệu không làm thay đổi những gì xảy ra so với khi chưa thêm chúng.

But now, imagine you are again in the middle of creating that function, but with type hints.

Tại cùng một điểm, bạn thử kích hoạt autocomplete với `Ctrl+Space` và bạn thấy:

<img src="/img/python-types/image02.png">

    server.enqueue(MockResponse(body = "this response comes via HTTPS"))
    server.enqueue(MockResponse(body = "another response via HTTPS"))

    // The pool will only reuse sockets if the SSL socket factories are the same.
    val clientSocketFactory = handshakeCertificates.sslSocketFactory()
    val hostnameVerifier = RecordingHostnameVerifier()
    val cookieJar: CookieJar = JavaNetCookieJar(CookieManager())