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Fix InputDecorationTheme copyWith fallback for iconColor (#142462)
Same as https://github.com/flutter/flutter/pull/138914, but with a test.
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@ -4309,7 +4309,7 @@ class InputDecorationTheme with Diagnosticable {
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floatingLabelAlignment: floatingLabelAlignment ?? this.floatingLabelAlignment,
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isDense: isDense ?? this.isDense,
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contentPadding: contentPadding ?? this.contentPadding,
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iconColor: iconColor,
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iconColor: iconColor ?? this.iconColor,
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isCollapsed: isCollapsed ?? this.isCollapsed,
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prefixStyle: prefixStyle ?? this.prefixStyle,
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prefixIconColor: prefixIconColor ?? this.prefixIconColor,
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@ -7047,4 +7047,16 @@ testWidgets('OutlineInputBorder with BorderRadius.zero should draw a rectangular
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await tester.pumpAndSettle();
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expect(getLabelStyle(tester).height, beforeStyle.height);
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});
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test('InputDecorationTheme.copyWith keeps original iconColor.', () async {
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const InputDecorationTheme original = InputDecorationTheme(iconColor: Color(0xDEADBEEF));
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expect(original.iconColor, const Color(0xDEADBEEF));
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expect(original.fillColor, isNot(const Color(0xDEADCAFE)));
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final InputDecorationTheme copy1 = original.copyWith(fillColor: const Color(0xDEADCAFE));
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expect(copy1.iconColor, const Color(0xDEADBEEF));
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expect(copy1.fillColor, const Color(0xDEADCAFE));
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final InputDecorationTheme copy2 = original.copyWith(iconColor: const Color(0xDEADCAFE));
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expect(copy2.iconColor, const Color(0xDEADCAFE));
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expect(copy2.fillColor, isNot(const Color(0xDEADCAFE)));
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});
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}
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