fix: ColorScheme will removeListener on imageStream twice if there is error loading the image. #174465
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This pull request correctly fixes a bug where an image stream listener could be removed twice if an image fails to load, and adds a regression test. My review focuses on improving error handling semantics, test code quality, and robustness. I've identified a duplicated test case that should be removed, suggested more accurate error handling, and pointed out areas for code cleanup and improved robustness in the new test widget.
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Aug 27, 2025
| @@ -1256,6 +1259,24 @@ void main() { | |||
| expect(colorSchemeOfTheme, colorScheme); | |||
| expect(colorSchemeFromContext, colorScheme); | |||
| }); | |||
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| testWidgets('ColorScheme from an invalid network image should only throw one error', ( | |||
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It looks like this test is failing on the web shards.
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This PR is based on #171261 and finishes it with a test.
fix #170413
cc @ahyangnb
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