85 lines
2.7 KiB
Markdown
85 lines
2.7 KiB
Markdown
# bf-54x8x: no-mapping.pdf Fixture Documentation
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## Task Completed
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Documented the no-mapping.pdf fixture structure and regeneration process.
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## Summary
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The no-mapping.pdf fixture documentation was already comprehensive and complete. Both documentation files exist with all required information:
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### Files Verified
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1. **`tests/fixtures/no-mapping.md`** (452 lines)
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- Complete fixture structure documentation
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- PDF properties, font analysis, content stream analysis
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- Raw PDF structure with all 5 objects
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- Regeneration instructions (Python + manual)
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- Inspection commands and verification steps
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- Test coverage and troubleshooting guide
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2. **`tests/fixtures/encoding/no-mapping.md`** (203 lines)
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- Encoding-specific fixture documentation
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- Purpose and expected behavior (Level 4 Unicode recovery)
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- Font details and encoding dictionary
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- Regeneration instructions with examples
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- Verification and test references
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### Fixture Integrity Verified
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```bash
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$ sha256sum tests/fixtures/encoding/no-mapping.pdf
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b24f88d3add958bfec1d6b134f2cd030cd41bb1932bedbe99405599bd01fa8f0 tests/fixtures/encoding/no-mapping.pdf
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```
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Matches documented SHA256 in both files.
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### PDF Structure Confirmed
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```bash
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$ pdfinfo tests/fixtures/encoding/no-mapping.pdf
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Pages: 1
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Page size: 612 x 792 pts (letter)
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File size: 660 bytes
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PDF version: 1.4
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$ pdffonts tests/fixtures/encoding/no-mapping.pdf
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name type encoding emb sub uni object ID
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------------------------------------ ----------------- ---------------- --- --- --- ---------
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CustomNoMap Type 1 Custom no no no 5 0
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```
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### Ground Truth Verified
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```bash
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$ hexdump -C tests/fixtures/encoding/no-mapping.txt
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00000000 ef bf bd ef bf bd ef bf bd ef bf bd 0a ef bf bd |................|
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00000010 ef bf bd |...|
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```
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Content: <20><><EFBFBD>\n<><6E> (4 U+FFFD + newline + 2 U+FFFD)
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### Regeneration Process
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**Primary method:**
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```bash
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python3 tools/generate_encoding_fixtures.py
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```
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**Manual method:** Complete raw PDF structure provided in documentation files.
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## Acceptance Criteria Status
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- ✅ tests/fixtures/no-mapping.md includes fixture structure section
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- ✅ Regeneration instructions are complete and reproducible
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- ✅ Includes example commands for pdfinfo/pdffonts inspection
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## References
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- Plan: docs/plan/plan.md (lines 1420-1650 - Phase 2.3 Unicode recovery)
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- Related: TH-03 encoding recovery tests
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- Generator: tools/generate_encoding_fixtures.py
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## Conclusion
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The fixture documentation is complete, accurate, and ready for use. All acceptance criteria have been met.
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