tests/lib_2/mirrors/function_type_mirror_test.dart

// Copyright (c) 2013, 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 "dart:mirrors";

import "package:expect/expect.dart";

typedef void FooFunction(int a, double b);

bar(int a) {}

main() {
  TypedefMirror tm = reflectType(FooFunction) as TypedefMirror;
  FunctionTypeMirror ftm = tm.referent;
  Expect.equals(const Symbol('void'), ftm.returnType.simpleName);
  Expect.equals(#int, ftm.parameters[0].type.simpleName);
  Expect.equals(#double, ftm.parameters[1].type.simpleName);
  ClosureMirror cm = reflect(bar) as ClosureMirror;
  ftm = cm.type as FunctionTypeMirror;
  Expect.equals(#dynamic, ftm.returnType.simpleName);
  Expect.equals(#int, ftm.parameters[0].type.simpleName);
}