results: fix Debug rendering assertion

Check the character in the output string instead of referring to a nonexistent grid_ member. This restores Debug compilation while preserving the intended invariant that rendering must not write an identical character twice.

Size labels intentionally replace interior spaces, so requiring an entirely unwritten destination would reject valid solutions. Update the testing notes now that Debug builds pass.

Tests: Debug and Release CTest suites (4 passed each)

Refs: #7
This commit was merged in pull request #18.
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2026-07-30 16:46:36 +01:00
parent 912d59fdd9
commit ebfc80546a
2 changed files with 5 additions and 4 deletions
+3 -3
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@@ -38,6 +38,6 @@ ctest --test-dir build-ubsan --output-on-failure
```
The sanitizer flags shown are supported by Clang and GCC. Other compilers may
require different flags. Debug compilation and a feasible solver run currently
expose the pre-existing defects tracked by issues #7 and #14 respectively; the
test additions deliberately do not include fixes for those separate issues.
require different flags. A feasible solver run currently exposes the
pre-existing defect tracked by issue #14; the test additions deliberately do
not include its separate fix.