blob: 1d4b4323c629e30c889ca514461be2e68ca0e093 [file] [log] [blame]
// Copyright (c) 2018, 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.
/// @assertion In a mixin declaration like mixin A<X extends S, Y extends T>
/// on B, C implements D, E { body } the on clause declares the interfaces B and
/// C as super-class constraints of the mixin. Having a super-class constraint
/// allows the mixin declaration instance members to perform super-invocations
/// (like if they are allowed by a class implementing both B and C.
/// @description Checks that a mixin declaration can perform super-invocations.
/// Test operators and "mixin" implementation of "on" clause interfaces
/// @issue 35090
/// @issue 42285
/// @author
import "../../Utils/expect.dart";
String console = "";
class A {
String? get g => "g";
class C implements A {
noSuchMethod(Invocation i) {
console = "C";
mixin M on A {
test() {
noSuchMethod(Invocation i) {
console = "M";
class MA extends C with M {
main() {
new MA().g;
Expect.equals("M", console);
new MA().test();
Expect.equals("M", console);