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Test: Verify overlapping buffers check for compress_into and decompress_into#374

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404Setup merged 1 commit intomainfrom
test-overlap-check-2771030123851261422
Feb 24, 2026
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Test: Verify overlapping buffers check for compress_into and decompress_into#374
404Setup merged 1 commit intomainfrom
test-overlap-check-2771030123851261422

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Improved testing for overlapping buffers check in src/api.rs by updating tests/security_overlap_test.rs with comprehensive scenarios.


PR created automatically by Jules for task 2771030123851261422 started by @404Setup

…ss_into

This change updates `tests/security_overlap_test.rs` to include comprehensive test coverage for the `is_overlapping` check in `compress_into` and `decompress_into` methods.

It covers:
- Deflate, Zlib, and Gzip formats.
- Compression and Decompression operations.
- Various overlap scenarios:
  - Partial overlap at the beginning.
  - Partial overlap at the end.
  - One buffer strictly inside the other.
  - Exact match of buffers.
- Edge case of touching but non-overlapping buffers.

This ensures that the safety mechanism correctly rejects invalid usage that could lead to data corruption or undefined behavior, while allowing valid usage.

Co-authored-by: 404Setup <[email protected]>
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@404Setup 404Setup merged commit c5839ff into main Feb 24, 2026
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@404Setup 404Setup deleted the test-overlap-check-2771030123851261422 branch February 24, 2026 11:44
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