InputDecorator gap between prefixIcon and input field is not compliant #149408
Description
Steps to reproduce
- Run the given test
Expected results
The label and input text left position should be 52 pixels, per M3 spec.
Actual results
The label and input text left position is 48 pixels.
Code sample
Code sample
testWidgets('Input text horizontal position when prefixIcon is set', (WidgetTester tester) async {
const String label = "label";
const String content = "Flutter";
final TextEditingController controller = TextEditingController(text: content);
addTearDown(controller.dispose);
await tester.pumpWidget(
MaterialApp(
home: Material(
child: Align(
alignment: Alignment.topLeft,
child: TextField(
controller: controller,
autofocus: true,
decoration: const InputDecoration(
filled: true,
labelText: label,
prefixIcon: Icon(Icons.search),
),
),
),
),
),
);
expect(find.text(label), findsOne);
expect(find.text(content), findsOne);
expect(tester.getSize(find.byType(TextField)), const Size(800.0, 56.0));
expect(tester.getTopLeft(find.text(label)).dx, 52.0);
expect(tester.getTopLeft(find.text(content)).dx, 52.0);
});
Screenshots or Video
No response
Logs
Error logs
══╡ EXCEPTION CAUGHT BY FLUTTER TEST FRAMEWORK ╞════════════════════════════════════════════════════
The following TestFailure was thrown running a test:
Expected: <52>
Actual: <48.0>
When the exception was thrown, this was the stack:
#4 main.<anonymous closure> (file:///home/bruno/Nevercode/Investigation/investigationapp/test/useM3Migration/input_decorator/input_decorator_basic_test.dart:98:5)
<asynchronous suspension>
#5 testWidgets.<anonymous closure>.<anonymous closure> (package:flutter_test/src/widget_tester.dart:183:15)
<asynchronous suspension>
#6 TestWidgetsFlutterBinding._runTestBody (package:flutter_test/src/binding.dart:1025:5)
<asynchronous suspension>
<asynchronous suspension>
(elided one frame from package:stack_trace)
This was caught by the test expectation on the following line:
file:///home/bruno/Nevercode/Investigation/investigationapp/test/useM3Migration/input_decorator/input_decorator_basic_test.dart line 98
The test description was:
TextField height
════════════════════════════════════════════════════════════════════════════════════════════════════
Flutter Doctor output
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Doctor summary (to see all details, run flutter doctor -v):
[!] Flutter (Channel [user-branch], 3.22.0-18.0.pre.572, on Ubuntu 24.04 LTSMetadata
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Important issues not at the top of the work listEntering text in a text field or keyboard related problemsflutter/packages/flutter/material repository.Found to occur in 3.22Found to occur in 3.23flutter/packages/flutter repository. See also f: labels.The issue has been confirmed reproducible and is ready to work onOwned by Text Input team
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