IMPROVEMENT-PLAN.md §10.1: validates P0 .unwrap→.expect safety fix.
4 tests validating the buffer size invariants documented in
the scsi/mod.rs SAFETY comment:
- all_command_structs_fit_in_command_buffer:
Verifies Inquiry, ModeSense6/10, RequestSense, ReadCapacity10,
Read16, Write16 all fit within the 16-byte command_buffer
- standard_inquiry_data_fits_in_inquiry_buffer:
Verifies StandardInquiryData (36 bytes) fits in inquiry_buffer (259)
- response_structs_match_expected_sizes:
Verifies ModeParamHeader6 (4), ModeParamHeader10 (8),
ReadCapacity10ParamData (8) fixed sizes
- plain_from_bytes_is_safe_for_buffers:
Round-trip verifies plain::from_bytes succeeds on properly
sized buffers — validates that the .expect() calls in the
res_* methods will never panic
All 4 tests pass. usbscsid now has 4 tests (was 0).
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