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@dnfield dnfield commented Apr 10, 2019

Description

The _createErrorWidget method in widgets/sliver.dart doesn't properly handle the case where someone overrides FlutteError.builder to not return an ErrorWidget.

This just adds a test to the change suggested in #30431

Tests

Adds a test that exercises _createErrorWidget with a non ErrorWidget

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@dnfield dnfield added the framework flutter/packages/flutter repository. See also f: labels. label Apr 10, 2019
@dnfield dnfield requested a review from goderbauer April 10, 2019 22:34
@dnfield dnfield changed the title #30431 with a test Let sliver.dart _createErrorWidget work with other Widgets Apr 10, 2019
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LGTM

Thank you!


testWidgets('Can override ErrorWidget.build', (WidgetTester tester) async {
const Text errorText = Text('error');
ErrorWidget.builder = (FlutterErrorDetails details) => errorText;
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@goderbauer - looking at this, I would have thought I'd have to reset this at the end of the test. Are we missing a check for that, or does this just not need to be reset?

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Not resetting it is a problem - filed #30897

@dnfield dnfield merged commit 42d3464 into flutter:master Apr 11, 2019
@dnfield dnfield deleted the sliver_error_returntype branch April 11, 2019 07:31
jiisd added a commit to jiisd/flutter that referenced this pull request Apr 12, 2019
* master: (209 commits)
  Allow mouse hover to only respond to some mouse events but not all. (flutter#30886)
  Fix issue 23527: Exception: RenderViewport exceeded its maximum number of layout cycles (flutter#30809)
  Keep hover annotation layers in sync with the mouse detector. (flutter#30829)
  Use identical instead of '==' in a constant expression. (flutter#30921)
  Add toggle for debugProfileWidgetBuilds (flutter#30867)
  Revert "Manual engine roll with disabled service authentication codes (flutter#30919)" (flutter#30930)
  Manual engine roll with disabled service authentication codes (flutter#30919)
  Baseline Aligned Row (flutter#30746)
  [Material] Fix showDialog crasher caused by old contexts (flutter#30754)
  Let `sliver.dart` `_createErrorWidget` work with other Widgets (flutter#30880)
  Add more dialog doc cross-reference (flutter#30887)
  Allow downloading of desktop embedding artifacts (flutter#30648)
  CupertinoDatePicker initialDateTime accounts for minuteInterval  (flutter#30862)
  add golden tests for CupertinoDatePicker (flutter#30828)
  Simplify toImage future handling (flutter#30876)
  Fixed Table flex column layout error flutter#30437 (flutter#30470)
  Fix iTunes Transporter quirk (flutter#30883)
  Bump Android build tools to 28.0.3 in Dockerfile (flutter#30832)
  Update the upload key which seems to have trouble for some reason (flutter#30871)
  Check for invalid elevations (flutter#30215)
  ...
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3 participants