catch up with boost-ci

[jll63]

Catch up with boost-ci:

• fix cmake test
• handle gcc-16 warning-as-error when building unit_test
• improve coverage

[cppalliance-bot]

An automated preview of the documentation is available at https://74.openmethod.prtest3.cppalliance.org/libs/openmethod/doc/html/index.html

If more commits are pushed to the pull request, the docs will rebuild at the same URL.

2026-05-26 23:20:49 UTC

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.36%. Comparing base (814a8e0) to head (87afa9c).
⚠️ Report is 7 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop      #74      +/-   ##
===========================================
+ Coverage    94.34%   94.36%   +0.02%     
===========================================
  Files           43       40       -3     
  Lines         2916     2874      -42     
===========================================
- Hits          2751     2712      -39     
+ Misses         165      162       -3     

Files with missing lines	Coverage Δ
test/test_rolex.cpp	100.00% <100.00%> (+57.57%)	⬆️

... and 25 files with indirect coverage changes

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[Copilot]

Pull request overview

This PR updates the test and CI integration to align with newer boost-ci behavior, particularly for installed header-only CMake testing, Boost.Test warning handling, and expanded test coverage.

Changes:

• Adds B2-installed Boost handling in the CMake install test by creating a Boost::openmethod interface alias.
• Keeps warnings visible while disabling warnings-as-errors for Boost.Test in B2 tests.
• Converts test_rolex.cpp into a Boost.Test module with explicit test cases and removes unused mix-release-debug override code.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
test/test_rolex.cpp	Converts the Rolex example into Boost.Test cases with broader dispatch assertions.
test/mix_release_debug/lib.cpp	Removes an unused override body from the mixed runtime-checks test fixture.
test/Jamfile	Disables warnings-as-errors specifically for Boost.Test framework builds.
test/cmake_test/CMakeLists.txt	Adds installed-by-B2 handling for the header-only OpenMethod CMake target.

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