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Make sure that an AnimatedGrid doesn't crash in 0x0 environment - #180159
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This pull request adds a regression test to ensure that AnimatedGrid does not crash when rendered in a zero-sized environment. My review points out that the test may not be correctly targeting the scenario described in the associated issue, as it uses a different grid delegate. I've suggested a change to align the test with the original problem.
| child: AnimatedGrid( | ||
| controller: controller, | ||
| itemBuilder: (_, int index, _) => Text('$index'), | ||
| gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 2), |
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The issue this PR aims to fix is specific to SliverGridDelegateWithMaxCrossAxisExtent, which can compute a crossAxisCount of 0 when the available crossAxisExtent is 0, leading to a division by zero. This test uses SliverGridDelegateWithFixedCrossAxisCount, which has a fixed crossAxisCount and doesn't trigger the bug. To properly test the fix, you should use SliverGridDelegateWithMaxCrossAxisExtent.
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| gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 2), | |
| gridDelegate: const SliverGridDelegateWithMaxCrossAxisExtent(maxCrossAxisExtent: 150.0), |
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Checklist:
- The test is in the correct file
- The test name goes “does not crash at zero area”
- The target widget is wrapped by
Center(or is fullscreen) - The target widget does not have an overlay, or the overlay is tested
- The target widget is expected to have a size of exactly
Size.zero
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Roll Flutter from 6ff7f30 to 60d8165 (32 revisions) flutter/flutter@6ff7f30...60d8165 2025-12-29 [email protected] Roll Fuchsia Linux SDK from xn1U9DUFEpB4f6vG-... to DdllqZRZYriOd7Q8v... (flutter/flutter#180356) 2025-12-28 [email protected] Roll Dart SDK from 17d51009282c to df175c998021 (1 revision) (flutter/flutter#180349) 2025-12-28 [email protected] Roll Dart SDK from d4a92c2c69bf to 17d51009282c (1 revision) (flutter/flutter#180346) 2025-12-28 [email protected] Roll Fuchsia Linux SDK from jVkEEUxyGeemuu2HE... to xn1U9DUFEpB4f6vG-... (flutter/flutter#180343) 2025-12-27 [email protected] Roll Dart SDK from 3b84125003a1 to d4a92c2c69bf (1 revision) (flutter/flutter#180331) 2025-12-27 [email protected] Roll Skia from e6e535aec613 to c29a475066f5 (1 revision) (flutter/flutter#180322) 2025-12-27 [email protected] Make sure that a WidgetsApp doesn't crash in 0x0 environment (flutter/flutter#180224) 2025-12-27 [email protected] Make sure that an AnimatedSize doesn't crash in 0x0 environment (flutter/flutter#180174) 2025-12-27 [email protected] Make sure that an AnimatedGrid doesn't crash in 0x0 environment (flutter/flutter#180159) 2025-12-27 [email protected] Make sure that an AnimatedCrossFade does not crash in 0x0 environment (flutter/flutter#180088) 2025-12-27 [email protected] Make sure that an AnimatedList doesn't crash in 0x0 environment (flutter/flutter#180123) 2025-12-26 [email protected] Roll Fuchsia Linux SDK from mZlbuHta7S71Quawk... to jVkEEUxyGeemuu2HE... (flutter/flutter#180317) 2025-12-26 [email protected] Roll Dart SDK from 6b2c3716be54 to 3b84125003a1 (1 revision) (flutter/flutter#180316) 2025-12-26 [email protected] Roll Dart SDK from 18f6751c5ccc to 6b2c3716be54 (1 revision) (flutter/flutter#180252) 2025-12-26 [email protected] Roll Skia from 07c59737d265 to e6e535aec613 (1 revision) (flutter/flutter#180303) 2025-12-25 [email protected] Roll Fuchsia Linux SDK from 2q71ydbnIhmBUiNOF... to mZlbuHta7S71Quawk... (flutter/flutter#180290) 2025-12-25 [email protected] Roll Skia from 6d0a1b03e9c7 to 07c59737d265 (1 revision) (flutter/flutter#180289) 2025-12-25 [email protected] Roll Skia from 2b5d93b62a3f to 6d0a1b03e9c7 (1 revision) (flutter/flutter#180279) 2025-12-25 [email protected] Roll Skia from 3544942c9d42 to 2b5d93b62a3f (1 revision) (flutter/flutter#180276) 2025-12-24 [email protected] Roll Fuchsia Linux SDK from 5EgkVbjGVZmCFPdtR... to 2q71ydbnIhmBUiNOF... (flutter/flutter#180274) 2025-12-24 [email protected] Roll Packages from 5e3a766 to 2164da9 (4 revisions) (flutter/flutter#180271) 2025-12-24 [email protected] Roll Skia from 988a48f7a944 to 3544942c9d42 (1 revision) (flutter/flutter#180267) 2025-12-24 [email protected] Marks Mac_arm64_mokey native_assets_android to be unflaky (flutter/flutter#180263) 2025-12-24 [email protected] Roll Skia from 51a05ce05880 to 988a48f7a944 (1 revision) (flutter/flutter#180256) 2025-12-24 [email protected] fix: exclude semantics for disabled dates (flutter/flutter#178981) 2025-12-24 [email protected] Roll Skia from 7fe9b93153f8 to 51a05ce05880 (1 revision) (flutter/flutter#180253) 2025-12-24 [email protected] Enhance documentation for sortable column behavior (flutter/flutter#180011) 2025-12-24 [email protected] Roll Skia from a0f18947bc1b to 7fe9b93153f8 (4 revisions) (flutter/flutter#180247) 2025-12-23 [email protected] Roll Skia from bdb147ae3040 to a0f18947bc1b (2 revisions) (flutter/flutter#180241) 2025-12-23 [email protected] Roll Dart SDK from 94b05f717ba3 to 18f6751c5ccc (1 revision) (flutter/flutter#180236) 2025-12-23 [email protected] docs: clarify dropdown menu text clearing (flutter/flutter#179676) 2025-12-23 [email protected] New optimized general convex path shadow algorithm (flutter/flutter#178370) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-packages Please CC [email protected] on the revert to ensure that a human is aware of the problem. To file a bug in Packages: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://issues.skia.org/issues/new?component=1389291&template=1850622 Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md ...
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Roll Flutter from 6ff7f30 to 60d8165 (32 revisions) flutter/flutter@6ff7f30...60d8165 2025-12-29 [email protected] Roll Fuchsia Linux SDK from xn1U9DUFEpB4f6vG-... to DdllqZRZYriOd7Q8v... (flutter/flutter#180356) 2025-12-28 [email protected] Roll Dart SDK from 17d51009282c to df175c998021 (1 revision) (flutter/flutter#180349) 2025-12-28 [email protected] Roll Dart SDK from d4a92c2c69bf to 17d51009282c (1 revision) (flutter/flutter#180346) 2025-12-28 [email protected] Roll Fuchsia Linux SDK from jVkEEUxyGeemuu2HE... to xn1U9DUFEpB4f6vG-... (flutter/flutter#180343) 2025-12-27 [email protected] Roll Dart SDK from 3b84125003a1 to d4a92c2c69bf (1 revision) (flutter/flutter#180331) 2025-12-27 [email protected] Roll Skia from e6e535aec613 to c29a475066f5 (1 revision) (flutter/flutter#180322) 2025-12-27 [email protected] Make sure that a WidgetsApp doesn't crash in 0x0 environment (flutter/flutter#180224) 2025-12-27 [email protected] Make sure that an AnimatedSize doesn't crash in 0x0 environment (flutter/flutter#180174) 2025-12-27 [email protected] Make sure that an AnimatedGrid doesn't crash in 0x0 environment (flutter/flutter#180159) 2025-12-27 [email protected] Make sure that an AnimatedCrossFade does not crash in 0x0 environment (flutter/flutter#180088) 2025-12-27 [email protected] Make sure that an AnimatedList doesn't crash in 0x0 environment (flutter/flutter#180123) 2025-12-26 [email protected] Roll Fuchsia Linux SDK from mZlbuHta7S71Quawk... to jVkEEUxyGeemuu2HE... (flutter/flutter#180317) 2025-12-26 [email protected] Roll Dart SDK from 6b2c3716be54 to 3b84125003a1 (1 revision) (flutter/flutter#180316) 2025-12-26 [email protected] Roll Dart SDK from 18f6751c5ccc to 6b2c3716be54 (1 revision) (flutter/flutter#180252) 2025-12-26 [email protected] Roll Skia from 07c59737d265 to e6e535aec613 (1 revision) (flutter/flutter#180303) 2025-12-25 [email protected] Roll Fuchsia Linux SDK from 2q71ydbnIhmBUiNOF... to mZlbuHta7S71Quawk... (flutter/flutter#180290) 2025-12-25 [email protected] Roll Skia from 6d0a1b03e9c7 to 07c59737d265 (1 revision) (flutter/flutter#180289) 2025-12-25 [email protected] Roll Skia from 2b5d93b62a3f to 6d0a1b03e9c7 (1 revision) (flutter/flutter#180279) 2025-12-25 [email protected] Roll Skia from 3544942c9d42 to 2b5d93b62a3f (1 revision) (flutter/flutter#180276) 2025-12-24 [email protected] Roll Fuchsia Linux SDK from 5EgkVbjGVZmCFPdtR... to 2q71ydbnIhmBUiNOF... (flutter/flutter#180274) 2025-12-24 [email protected] Roll Packages from 5e3a766 to 2164da9 (4 revisions) (flutter/flutter#180271) 2025-12-24 [email protected] Roll Skia from 988a48f7a944 to 3544942c9d42 (1 revision) (flutter/flutter#180267) 2025-12-24 [email protected] Marks Mac_arm64_mokey native_assets_android to be unflaky (flutter/flutter#180263) 2025-12-24 [email protected] Roll Skia from 51a05ce05880 to 988a48f7a944 (1 revision) (flutter/flutter#180256) 2025-12-24 [email protected] fix: exclude semantics for disabled dates (flutter/flutter#178981) 2025-12-24 [email protected] Roll Skia from 7fe9b93153f8 to 51a05ce05880 (1 revision) (flutter/flutter#180253) 2025-12-24 [email protected] Enhance documentation for sortable column behavior (flutter/flutter#180011) 2025-12-24 [email protected] Roll Skia from a0f18947bc1b to 7fe9b93153f8 (4 revisions) (flutter/flutter#180247) 2025-12-23 [email protected] Roll Skia from bdb147ae3040 to a0f18947bc1b (2 revisions) (flutter/flutter#180241) 2025-12-23 [email protected] Roll Dart SDK from 94b05f717ba3 to 18f6751c5ccc (1 revision) (flutter/flutter#180236) 2025-12-23 [email protected] docs: clarify dropdown menu text clearing (flutter/flutter#179676) 2025-12-23 [email protected] New optimized general convex path shadow algorithm (flutter/flutter#178370) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-packages Please CC [email protected] on the revert to ensure that a human is aware of the problem. To file a bug in Packages: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://issues.skia.org/issues/new?component=1389291&template=1850622 Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md ...
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Roll Flutter from 6ff7f30 to 60d8165 (32 revisions) flutter/flutter@6ff7f30...60d8165 2025-12-29 [email protected] Roll Fuchsia Linux SDK from xn1U9DUFEpB4f6vG-... to DdllqZRZYriOd7Q8v... (flutter/flutter#180356) 2025-12-28 [email protected] Roll Dart SDK from 17d51009282c to df175c998021 (1 revision) (flutter/flutter#180349) 2025-12-28 [email protected] Roll Dart SDK from d4a92c2c69bf to 17d51009282c (1 revision) (flutter/flutter#180346) 2025-12-28 [email protected] Roll Fuchsia Linux SDK from jVkEEUxyGeemuu2HE... to xn1U9DUFEpB4f6vG-... (flutter/flutter#180343) 2025-12-27 [email protected] Roll Dart SDK from 3b84125003a1 to d4a92c2c69bf (1 revision) (flutter/flutter#180331) 2025-12-27 [email protected] Roll Skia from e6e535aec613 to c29a475066f5 (1 revision) (flutter/flutter#180322) 2025-12-27 [email protected] Make sure that a WidgetsApp doesn't crash in 0x0 environment (flutter/flutter#180224) 2025-12-27 [email protected] Make sure that an AnimatedSize doesn't crash in 0x0 environment (flutter/flutter#180174) 2025-12-27 [email protected] Make sure that an AnimatedGrid doesn't crash in 0x0 environment (flutter/flutter#180159) 2025-12-27 [email protected] Make sure that an AnimatedCrossFade does not crash in 0x0 environment (flutter/flutter#180088) 2025-12-27 [email protected] Make sure that an AnimatedList doesn't crash in 0x0 environment (flutter/flutter#180123) 2025-12-26 [email protected] Roll Fuchsia Linux SDK from mZlbuHta7S71Quawk... to jVkEEUxyGeemuu2HE... (flutter/flutter#180317) 2025-12-26 [email protected] Roll Dart SDK from 6b2c3716be54 to 3b84125003a1 (1 revision) (flutter/flutter#180316) 2025-12-26 [email protected] Roll Dart SDK from 18f6751c5ccc to 6b2c3716be54 (1 revision) (flutter/flutter#180252) 2025-12-26 [email protected] Roll Skia from 07c59737d265 to e6e535aec613 (1 revision) (flutter/flutter#180303) 2025-12-25 [email protected] Roll Fuchsia Linux SDK from 2q71ydbnIhmBUiNOF... to mZlbuHta7S71Quawk... (flutter/flutter#180290) 2025-12-25 [email protected] Roll Skia from 6d0a1b03e9c7 to 07c59737d265 (1 revision) (flutter/flutter#180289) 2025-12-25 [email protected] Roll Skia from 2b5d93b62a3f to 6d0a1b03e9c7 (1 revision) (flutter/flutter#180279) 2025-12-25 [email protected] Roll Skia from 3544942c9d42 to 2b5d93b62a3f (1 revision) (flutter/flutter#180276) 2025-12-24 [email protected] Roll Fuchsia Linux SDK from 5EgkVbjGVZmCFPdtR... to 2q71ydbnIhmBUiNOF... (flutter/flutter#180274) 2025-12-24 [email protected] Roll Packages from 5e3a766 to 2164da9 (4 revisions) (flutter/flutter#180271) 2025-12-24 [email protected] Roll Skia from 988a48f7a944 to 3544942c9d42 (1 revision) (flutter/flutter#180267) 2025-12-24 [email protected] Marks Mac_arm64_mokey native_assets_android to be unflaky (flutter/flutter#180263) 2025-12-24 [email protected] Roll Skia from 51a05ce05880 to 988a48f7a944 (1 revision) (flutter/flutter#180256) 2025-12-24 [email protected] fix: exclude semantics for disabled dates (flutter/flutter#178981) 2025-12-24 [email protected] Roll Skia from 7fe9b93153f8 to 51a05ce05880 (1 revision) (flutter/flutter#180253) 2025-12-24 [email protected] Enhance documentation for sortable column behavior (flutter/flutter#180011) 2025-12-24 [email protected] Roll Skia from a0f18947bc1b to 7fe9b93153f8 (4 revisions) (flutter/flutter#180247) 2025-12-23 [email protected] Roll Skia from bdb147ae3040 to a0f18947bc1b (2 revisions) (flutter/flutter#180241) 2025-12-23 [email protected] Roll Dart SDK from 94b05f717ba3 to 18f6751c5ccc (1 revision) (flutter/flutter#180236) 2025-12-23 [email protected] docs: clarify dropdown menu text clearing (flutter/flutter#179676) 2025-12-23 [email protected] New optimized general convex path shadow algorithm (flutter/flutter#178370) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-packages Please CC [email protected] on the revert to ensure that a human is aware of the problem. To file a bug in Packages: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://issues.skia.org/issues/new?component=1389291&template=1850622 Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md ...
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This is my attempt to handle #6537 for the AnimatedGrid widget.