92 lines
3.4 KiB
Dart
92 lines
3.4 KiB
Dart
// 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 file is run as part of a reduced test set in CI on Mac and Windows
|
|
// machines.
|
|
@Tags(<String>['reduced-test-set'])
|
|
library;
|
|
|
|
import 'package:flutter/widgets.dart';
|
|
import 'package:flutter_test/flutter_test.dart';
|
|
|
|
void main() {
|
|
// Here and below, see: https://github.com/dart-lang/sdk/issues/26980
|
|
const start = FlutterLogoDecoration(
|
|
textColor: Color(0xFFD4F144),
|
|
style: FlutterLogoStyle.stacked,
|
|
margin: EdgeInsets.all(10.0),
|
|
);
|
|
|
|
const end = FlutterLogoDecoration(
|
|
textColor: Color(0xFF81D4FA),
|
|
style: FlutterLogoStyle.stacked,
|
|
margin: EdgeInsets.all(10.0),
|
|
);
|
|
|
|
test('FlutterLogoDecoration lerp from null to null is null', () {
|
|
final FlutterLogoDecoration? logo = FlutterLogoDecoration.lerp(null, null, 0.5);
|
|
expect(logo, isNull);
|
|
});
|
|
|
|
test('FlutterLogoDecoration.lerp identical a,b', () {
|
|
expect(FlutterLogoDecoration.lerp(null, null, 0), null);
|
|
const logo = FlutterLogoDecoration();
|
|
expect(identical(FlutterLogoDecoration.lerp(logo, logo, 0.5), logo), true);
|
|
});
|
|
|
|
test('FlutterLogoDecoration lerp from non-null to null lerps margin', () {
|
|
final FlutterLogoDecoration logo = FlutterLogoDecoration.lerp(start, null, 0.4)!;
|
|
expect(logo.textColor, start.textColor);
|
|
expect(logo.style, start.style);
|
|
expect(logo.margin, start.margin * 0.4);
|
|
});
|
|
|
|
test('FlutterLogoDecoration lerp from null to non-null lerps margin', () {
|
|
final FlutterLogoDecoration logo = FlutterLogoDecoration.lerp(null, end, 0.6)!;
|
|
expect(logo.textColor, end.textColor);
|
|
expect(logo.style, end.style);
|
|
expect(logo.margin, end.margin * 0.6);
|
|
});
|
|
|
|
test('FlutterLogoDecoration lerps colors and margins', () {
|
|
final FlutterLogoDecoration logo = FlutterLogoDecoration.lerp(start, end, 0.5)!;
|
|
expect(logo.textColor, Color.lerp(start.textColor, end.textColor, 0.5));
|
|
expect(logo.margin, EdgeInsets.lerp(start.margin, end.margin, 0.5));
|
|
});
|
|
|
|
test('FlutterLogoDecoration.lerpFrom and FlutterLogoDecoration.lerpTo', () {
|
|
expect(Decoration.lerp(start, const BoxDecoration(), 0.0), start);
|
|
expect(Decoration.lerp(start, const BoxDecoration(), 1.0), const BoxDecoration());
|
|
expect(Decoration.lerp(const BoxDecoration(), end, 0.0), const BoxDecoration());
|
|
expect(Decoration.lerp(const BoxDecoration(), end, 1.0), end);
|
|
});
|
|
|
|
test('FlutterLogoDecoration lerp changes styles at 0.5', () {
|
|
FlutterLogoDecoration logo = FlutterLogoDecoration.lerp(start, end, 0.4)!;
|
|
expect(logo.style, start.style);
|
|
|
|
logo = FlutterLogoDecoration.lerp(start, end, 0.5)!;
|
|
expect(logo.style, end.style);
|
|
});
|
|
|
|
test('FlutterLogoDecoration toString', () {
|
|
expect(
|
|
start.toString(),
|
|
equals('FlutterLogoDecoration(textColor: ${const Color(0xffd4f144)}, style: stacked)'),
|
|
);
|
|
expect(
|
|
FlutterLogoDecoration.lerp(null, end, 0.5).toString(),
|
|
equals(
|
|
'FlutterLogoDecoration(textColor: ${const Color(0xff81d4fa)}, style: stacked, transition -1.0:0.5)',
|
|
),
|
|
);
|
|
});
|
|
|
|
testWidgets('Flutter Logo golden test', (WidgetTester tester) async {
|
|
final Key logo = UniqueKey();
|
|
await tester.pumpWidget(Container(key: logo, decoration: const FlutterLogoDecoration()));
|
|
|
|
await expectLater(find.byKey(logo), matchesGoldenFile('flutter_logo.png'));
|
|
});
|
|
}
|