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Matt Joras b74208392c Fix [[maybe_unused]] anti-patterns in QUIC tests
Summary:
Replace `[[maybe_unused]] auto variable = method_call` patterns with proper assertions using `ASSERT_FALSE(method_call.hasError())` for quic::Expected return values. This improves test reliability by actually validating method call success instead of suppressing unused return value warnings.

## Changes Made

### 1. Fixed Anti-Patterns in Tests (84 instances across 5 test files):
- QuicTransportBaseTest.cpp: 74 patterns
- QuicTransportTest.cpp: 5 patterns
- QuicTypedTransportTest.cpp: 3 patterns
- QuicClientTransportLiteTest.cpp: 1 pattern
- QuicClientTransportTest.cpp: 1 pattern

For cleanup scenarios where failure is acceptable (e.g., setting read callback to nullptr), used `(void)method_call` instead of assertions to properly suppress warnings without incorrect success assertions.

### 2. Removed Unhelpful Comments (5 instances):
- QuicStreamAsyncTransport.cpp: Removed comments referencing "original behavior" that provided no actionable context

The logging statements (WARNING/VLOG) already make error handling behavior clear without need for historical commentary.

## Comprehensive Audit Results
Performed comprehensive audit of all `[[maybe_unused]]` usage in fbcode/quic/ (45 total instances):
-  **Self-reference guards**: `[[maybe_unused]] auto self = sharedGuard();` - **LEGITIMATE**
-  **Function parameter suppression**: Intentionally unused parameters - **LEGITIMATE**
-  **Loop variable suppression**: Iteration without using values - **LEGITIMATE**
-  **Static initialization**: Thread-local initialization patterns - **LEGITIMATE**
-  **Third-party code**: Left untouched as required
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> Generated by [Confucius Code Assist (CCA)](https://www.internalfb.com/wiki/Confucius/Analect/Shared_Analects/Confucius_Code_Assist_(CCA)/)
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Reviewed By: knekritz

Differential Revision: D78385516

fbshipit-source-id: 98c8989a147ed639be4582be3460b146aaa1075f
2025-07-16 14:23:39 -07:00
..
2025-04-29 16:38:40 -07:00