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// Copyright (c) 2021, 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 Test equality of function and methods tearoffs.
/// @description Checks equality of generic mixin methods tearoffs
/// @author
// SharedOptions=--enable-experiment=constructor-tearoffs
import "../../Utils/expect.dart";
class A {
T mixedInSuperMethod<T extends num>(T t) => t;
mixin M on A {
void mixedInMethod<T>() {}
T mixedInSuperMethod<T extends num>(T t) => super.mixedInSuperMethod<T>(t) + 1 as T;
class AM<T extends num> extends A with M {
T Function(T t) get tearoffSuperMethod => super.mixedInSuperMethod<T>;
main() {
<X extends num>(X x) {
A a = new A();
AM<X> am = new AM<X>();
var s1 = a.mixedInSuperMethod<X>;
var s2 = a.mixedInSuperMethod<X>;
var s3 = am.tearoffSuperMethod;
var s4 = am.tearoffSuperMethod;
Expect.equals(s1, s2);
Expect.notEquals(s1, s3);
Expect.notEquals(s2, s3);
Expect.equals(s3, s4);
Expect.equals(0, s1(x));
Expect.equals(1, s3(x));
A a1 = new AM<X>();
var s5 = a1.mixedInSuperMethod<X>;
Expect.equals(s5, a1.mixedInSuperMethod<X>);
Expect.approxEquals(1, s5(x));