i++;
    }

    // This loop optimizes for chars less than 0x800.
    for (; i < utf16Length; i++) {
      char c = sequence.charAt(i);
      if (c < 0x800) {
        utf8Length += (0x7f - c) >>> 31; // branch free!
      } else {
        utf8Length += encodedLengthGeneral(sequence, i);
        break;
      }
    }

    if (utf8Length < utf16Length) {

      i++;
    }

    // This loop optimizes for chars less than 0x800.
    for (; i < utf16Length; i++) {
      char c = sequence.charAt(i);
      if (c < 0x800) {
        utf8Length += (0x7f - c) >>> 31; // branch free!
      } else {
        utf8Length += encodedLengthGeneral(sequence, i);
        break;
      }
    }

    if (utf8Length < utf16Length) {

```

## Contributing

1. Fork the repository
2. Create a feature branch: `git checkout -b feature/amazing-feature`
3. Follow coding standards: `mvn formatter:format`
4. Add tests for new functionality
5. Ensure all tests pass: `mvn test`
6. Check license headers: `mvn license:format`
7. Commit changes: `git commit -m 'Add amazing feature'`
8. Push to branch: `git push origin feature/amazing-feature`
9. Open a Pull Request

  maven-3.9.x should receive only serious bug fixes, as it is approaching EOL.

Backports are typically handled by maintainers; 
however, after agreement you may open a separate backport PR to the target maintenance branch.
-->

Following this checklist to help us incorporate your
contribution quickly and easily:

- [ ] Your pull request should address just one issue, without pulling in other changes.

</p>
<p align="center">
<a href="https://github.com/fastapi/fastapi/actions?query=workflow%3ATest+event%3Apush+branch%3Amaster">
    <img src="https://github.com/fastapi/fastapi/actions/workflows/test.yml/badge.svg?event=push&branch=master" alt="Test">
</a>
<a href="https://coverage-badge.samuelcolvin.workers.dev/redirect/fastapi/fastapi">

Before code can be accepted all contributors must complete our
[Individual Contributor License Agreement (CLA)][cla].


Code Contributions
------------------

Get working code on a personal branch with tests passing before you submit a PR:

```
./gradlew clean check
```

Please make every effort to follow existing conventions and style in order to keep the code as
readable as possible.

Before code can be accepted all contributors must complete our
[Individual Contributor License Agreement (CLA)][cla].


Code Contributions
------------------

Get working code on a personal branch with tests passing before you submit a PR:

```
./gradlew clean check
```

Please make every effort to follow existing conventions and style in order to keep the code as
readable as possible.

    @Test
    @DisplayName("length(): handles internal null defensively")
    void length_handlesNullInternalArray() throws Exception {
        // Arrange
        SecurityBlob blob = new SecurityBlob(new byte[] { 1, 2, 3 });

        // Force internal field to null via reflection to exercise defensive branch

// LTYPEXC spec9	{ outcode(int($1), &$2); }
	CMPPD	X0, X1, 4
	CMPPD	foo+4(SB), X1, 4

// LTYPEX spec10	{ outcode(int($1), &$2); }
	PINSRD	$1, (AX), X0
	PINSRD	$2, foo+4(FP), X0

// Was bug: LOOP is a branch instruction.
	JCS	2(PC)
loop:
	LOOP	loop // LOOP

// Tests for TLS reference.
	MOVL    (TLS), AX
	MOVL    8(TLS), DX

// LTYPE0 nonnon	{ outcode(int($1), &$2); }
	RET

        when(pipe.ensureTreeConnected()).thenReturn(tree);
        when(tree.acquire()).thenReturn(tree);
        when(tree.isSMB2()).thenReturn(true);

        // SMB2 branch in ensureOpen uses openUnshared(String, ...)
        when(pipe.openUnshared(anyString(), anyInt(), anyInt(), anyInt(), anyInt(), anyInt())).thenReturn(fileHandle);
        when(fileHandle.acquire()).thenReturn(fileHandle);