tests/language/function_type_alias4_test.dart

// Copyright (c) 2011, 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 test for function type alias with a type parameter as result type.

typedef bool F<bool>(bool a);  // 'bool' is not the boolean type.

bool bar(bool a) {
}

int baz(int a) {
}

class A<T> {
  T foo(T a) {
  }
}

main() {
  Expect.isTrue(bar is F);
  Expect.isTrue(baz is F);
  Expect.isTrue(bar is F<bool>);
  Expect.isTrue(baz is F<int>);
  Expect.isTrue(bar is !F<int>);
  Expect.isTrue(baz is !F<bool>);

  var b = new A<bool>();
  var i = new A<int>();
  Expect.isTrue(b.foo is F);
  Expect.isTrue(i.foo is F);
  Expect.isTrue(b.foo is F<bool>);
  Expect.isTrue(i.foo is F<int>);
  Expect.isTrue(b.foo is !F<int>);
  Expect.isTrue(i.foo is !F<bool>);
}