WavWriter: fix SaveFile final flushing + add comprehensive unit test coverage#696

Merged

stephenhensley merged 8 commits intoelectro-smith:masterfrom

chattob:fix/wavwriter-savefile-tail

Apr 2, 2026

Commits on Mar 12, 2026

fix(wavwriter): flush and write trailing data from correct buffer half
chattob
committed

Commits on Mar 13, 2026

tests: wire FatFs mock into gtest targets
chattob
committed
tests: add FatFs mock and first WavWriter tests
chattob
committed
tests: save file, fix: duplicate tail when saving file with local_wptr==cap_point
chattob
committed

Commits on Mar 14, 2026

tests: flush scenarios
chattob
committed

Commits on Mar 15, 2026

tests: some cleanup
chattob
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fix(wavwriter): restore SaveFile tail handling
chattob
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Commits on Mar 20, 2026

applies clang format
chattob
committed