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// 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.
import 'package:expect/expect.dart';
class Class1 {
num method1(num n) => throw 'unreachable';
num method2(int n) => throw 'unreachable';
Object method3(num n) => throw 'unreachable';
class Class2<T> {
num method4(T n) => throw 'unreachable';
class Class3<T> {
T method5(num n) => throw 'unreachable';
class Class4<T> {
num method6(num n, T t) => throw 'unreachable';
num method7(num n) => throw 'unreachable';
num method8(int n) => throw 'unreachable';
Object method9(num n) => throw 'unreachable';
test(o) => o is num Function(num);
main() {
Expect.isTrue(test(new Class1().method1));
Expect.isFalse(test(new Class1().method2));
Expect.isFalse(test(new Class1().method3));
Expect.isTrue(test(new Class2<num>().method4));
Expect.isTrue(test(new Class3<num>().method5));
Expect.isFalse(test(new Class4<num>().method6));