blob: 64bc31636eed810e09b4bb0fdcb7807df58b23e6 [file] [log] [blame]
// 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 that the equality properties of any function object
/// obtained by generic function instantiation is determined by the equality of
/// the source function objects
/// @author
/// @issue 47317
// SharedOptions=--enable-experiment=constructor-tearoffs
import "../../Utils/expect.dart";
main() {
X localFunction1<X>(X x) => x;
X localFunction2<X>(X x) => x;
<X>() {
var f1_1 = localFunction1;
var f1_2 = localFunction1;
var f1_3 = localFunction1<X>;
var f1_4 = localFunction1<X>;
X Function(X) f1_5 = localFunction1;
var f2 = localFunction2<X>;
Expect.equals(f1_1 == f1_2, f1_3 == f1_4);
Expect.equals(f1_1 == f1_2, f1_3 == f1_5);
Expect.notEquals(f1_3, f2);
Expect.notEquals(f1_4, f2);
Expect.notEquals(f1_5, f2);