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experiment: probe win32 native-control creation on CI - #110

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tannevaled wants to merge 3 commits into
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Ungated probe: can windows-latest create native child controls (incl. common controls) headlessly? Skips cleanly if no window station. Reading the result to decide if win32 controls are CI-verifiable.

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tannevaled and others added 3 commits September 6, 2026 18:06
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
The probe proved a plain windows-latest runner CAN create native child controls
(incl. the common-control classes) and transfer values by window message,
headless. So replace the throwaway probe with a real, ungated test that opens a
window and reconciles a Surface of descriptors — Entry/Secure/Search/TextView/
Combo/Checkbox/Slider/Stepper/Progress/Spinner/PopUp — asserting each is created,
that text/check values round-trip, and that an app-side change and a reconcile-away
both take. This turns the win32 controls from cross-verified-only into CI-verified.
Skips only if a runner has no window station.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Closing: this experiment did its job — it revealed that win32 native-control creation crashes with 'fatal: morestack on g0' on the windows-latest (amd64) headless runner, something cross-verification and the ARM64 machine never caught. That is a runtime/arch-specific issue needing dedicated real-Windows (amd64) debugging, not a blind CI-iteration fix. Recording the finding; not merging a crashing test.

@tannevaled tannevaled closed this Sep 6, 2026
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tannevaled deleted the exp/win32-ci-probe branch September 6, 2026 16:19
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