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Stack overflow on Windows during "many providers" test #925
Description
Describe the bug
After migrating to material_ui in #924, the test "MultiProvider Supports a large number of providers" is failing on Windows. This was discovered when run as part of the Flutter SDK's customer tests in flutter/tests#498.
Example failure: https://github.com/flutter/tests/actions/runs/36784375047/job/110199422131?pr=498
| ::group::❌ C:/Users/RUNNER~1/AppData/Local/Temp/flutter_customer_testing.provider.feaa7449/tests/packages/provider/test/null_safe/multi_provider_test.dart: MultiProvider Supports a large number of providers (failed)
| ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
| The following FormatException was thrown building _InheritedProviderScope<int?>:
| Stack overflow
| ^#(\d+) +(.+) \((.+?):?(\d+){0,1}:?(\d+){0,1}\)$
|
| The relevant error-causing widget was:
| _InheritedProviderScope<int?>
| _InheritedProviderScope:file:///C:/Users/RUNNER~1/AppData/Local/Temp/flutter_customer_testing.provider.feaa7449/tests/packages/provider/lib/src/inherited_provider.dart:164:12
|
To Reproduce
Run the test on windows:
flutter test test/null_safe/multi_provider_test.dart --plain-name "Supports a large number of providers"
Expected behavior
I expect the test to pass consistently. The upgrade to material_ui should have changed very little or nothing about this test to cause a stack overflow.
Activity
rrousselGit commentedon Oct 1, 2026
The test is just using a very large stack on purpose. It was likely very close to hitting the CI's limit before, and with material_ui, the widget tree maybe got a tiny bit bigger, causing the test to go over the stack limit.
This is very low priority for me, so don't expect a fix. I'd suggest just disabling said test.
justinmc commentedon Oct 1, 2026
I'll open a PR here to skip it, thanks.
justinmc commentedon Oct 2, 2026
Actually, I will just skip in in flutter's CI in flutter/tests#498.