| // Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // @dart = 2.9 |
| |
| import "legacy_upper_bound_helper.dart" show LegacyUpperBoundTest; |
| |
| import "package:kernel/ast.dart" show DartType, Library; |
| |
| import "package:kernel/class_hierarchy.dart" show ClassHierarchy; |
| |
| class KernelLegacyUpperBoundTest extends LegacyUpperBoundTest { |
| ClassHierarchy hierarchy; |
| |
| @override |
| bool get isNonNullableByDefault => true; |
| |
| @override |
| Future<void> parseComponent(String source) { |
| super.parseComponent(source); |
| hierarchy = new ClassHierarchy(env.component, env.coreTypes); |
| return null; |
| } |
| |
| @override |
| DartType getLegacyLeastUpperBound( |
| DartType a, DartType b, Library clientLibrary) { |
| return hierarchy.getLegacyLeastUpperBound(a, b, clientLibrary); |
| } |
| } |
| |
| main() { |
| new KernelLegacyUpperBoundTest().test(); |
| } |