blob: b57b69b3035e9c17d4d21909220f5256f84f480e [file] [log] [blame]
// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// THIS TEST IS SENSITIVE TO LINE NUMBERS AT THE TOP OF THIS FILE
import 'package:flutter/foundation.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_test/flutter_test.dart';
class RenderFoo extends RenderShiftedBox {
RenderFoo({ RenderBox? child }) : super(child);
@override
void performLayout() {
child?.layout(const BoxConstraints( // THIS MUST BE LINE 17
minWidth: 100.0, maxWidth: 50.0,
));
}
}
class Foo extends SingleChildRenderObjectWidget {
const Foo({ super.key, super.child });
@override
RenderFoo createRenderObject(BuildContext context) {
return RenderFoo();
}
}
// END OF SENSITIVE SECTION
void main() {
testWidgets('Stack parsing in non-normalized constraints error', (WidgetTester tester) async {
await tester.pumpWidget(const Foo(child: Placeholder()), Duration.zero, EnginePhase.layout);
final Object? exception = tester.takeException();
final String text = exception.toString();
expect(text, contains('BoxConstraints has non-normalized width constraints.'));
expect(text, contains('which probably computed the invalid constraints in question:\n RenderFoo.performLayout ('));
expect(text, contains('non_normalized_constraints_test.dart:17:12'));
}, skip: kIsWeb); // [intended] stack traces on web are insufficiently predictable
}