mirror of
https://github.com/alibaba/flutter-go.git
synced 2025-07-13 08:33:26 +08:00
76 lines
2.7 KiB
Dart
76 lines
2.7 KiB
Dart
// Copyright 2016 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
import 'package:flutter_web_test/flutter_web_test.dart';
|
|
import 'package:flutter_web/widgets.dart';
|
|
|
|
class TestValueKey<T> extends ValueKey<T> {
|
|
const TestValueKey(T value) : super(value);
|
|
}
|
|
|
|
class NotEquals {
|
|
const NotEquals();
|
|
@override
|
|
bool operator ==(dynamic other) => false;
|
|
@override
|
|
int get hashCode => 0;
|
|
}
|
|
|
|
void main() {
|
|
testWidgets('Keys', (WidgetTester tester) async {
|
|
expect(ValueKey<int>(nonconst(3)) == ValueKey<int>(nonconst(3)), isTrue);
|
|
expect(ValueKey<num>(nonconst(3)) == ValueKey<int>(nonconst(3)), isFalse);
|
|
expect(ValueKey<int>(nonconst(3)) == ValueKey<int>(nonconst(2)), isFalse);
|
|
expect(
|
|
const ValueKey<double>(double.nan) ==
|
|
const ValueKey<double>(double.nan),
|
|
isFalse);
|
|
|
|
expect(Key(nonconst('')) == ValueKey<String>(nonconst('')), isTrue);
|
|
expect(ValueKey<String>(nonconst('')) == ValueKey<String>(nonconst('')),
|
|
isTrue);
|
|
expect(TestValueKey<String>(nonconst('')) == ValueKey<String>(nonconst('')),
|
|
isFalse);
|
|
expect(
|
|
TestValueKey<String>(nonconst('')) ==
|
|
TestValueKey<String>(nonconst('')),
|
|
isTrue);
|
|
|
|
expect(ValueKey<String>(nonconst('')) == ValueKey<dynamic>(nonconst('')),
|
|
isFalse);
|
|
expect(
|
|
TestValueKey<String>(nonconst('')) ==
|
|
TestValueKey<dynamic>(nonconst('')),
|
|
isFalse);
|
|
|
|
expect(UniqueKey() == UniqueKey(), isFalse);
|
|
final LocalKey k = UniqueKey();
|
|
expect(UniqueKey() == UniqueKey(), isFalse);
|
|
expect(k == k, isTrue);
|
|
|
|
expect(ValueKey<LocalKey>(k) == ValueKey<LocalKey>(k), isTrue);
|
|
expect(ValueKey<LocalKey>(k) == ValueKey<UniqueKey>(k), isFalse);
|
|
expect(ObjectKey(k) == ObjectKey(k), isTrue);
|
|
|
|
final NotEquals constNotEquals = nonconst(const NotEquals());
|
|
expect(
|
|
ValueKey<NotEquals>(constNotEquals) ==
|
|
ValueKey<NotEquals>(constNotEquals),
|
|
isFalse);
|
|
expect(ObjectKey(constNotEquals) == ObjectKey(constNotEquals), isTrue);
|
|
|
|
final Object constObject = nonconst(const Object());
|
|
expect(ObjectKey(constObject) == ObjectKey(constObject), isTrue);
|
|
expect(ObjectKey(nonconst(Object())) == ObjectKey(nonconst(Object())),
|
|
isFalse);
|
|
|
|
expect(const ValueKey<bool>(true), hasOneLineDescription);
|
|
expect(UniqueKey(), hasOneLineDescription);
|
|
expect(const ObjectKey(true), hasOneLineDescription);
|
|
expect(GlobalKey(), hasOneLineDescription);
|
|
expect(GlobalKey(debugLabel: 'hello'), hasOneLineDescription);
|
|
expect(const GlobalObjectKey(true), hasOneLineDescription);
|
|
});
|
|
}
|