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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 Similarly, [params] is almost exactly the same parameter list
/// as the constructor [], with the one exception that initializing
/// formals are represented by normal parameters with the same name and type.
/// All remaining properties of the parameters are the same as for the
/// corresponding constructor parameter, including any default values, and
/// [args] is an argument list passing those parameters to [] directly as
/// they are received.
/// @description Checks that [params] is exactly the same parameter list.
/// @author
// SharedOptions=--enable-experiment=constructor-tearoffs
import "../../Utils/expect.dart";
class C {
C.constr1() {}
C.constr2(int i) {}
C.constr3(i) {}
C.constr4(int i, String j, List<int> l) {}
C.constr5(i, j, k) {}
main() {
C Function() v1 = C.constr1;
Expect.isTrue(v1 is C Function());
Expect.runtimeIsType<C Function()>(v1);
var v2 = C.constr2;
Expect.isTrue(v2 is C Function(int));
Expect.runtimeIsType<C Function(int)>(v2);
var v3 = C.constr3;
Expect.isTrue(v3 is C Function(dynamic));
Expect.runtimeIsType<C Function(dynamic)>(v3);
var v4 = C.constr4;
Expect.isTrue(v4 is C Function(int, String, List<int>));
Expect.runtimeIsType<C Function(int, String, List<int>)>(v4);
v4(1, "123", [1, 2, 3]);
var v5 = C.constr5;
Expect.isTrue(v5 is C Function(dynamic, dynamic, dynamic));
Expect.runtimeIsType<C Function(dynamic, dynamic, dynamic)>(v5);
v5(1, "123", [1, 2, 3]);