blob: 2ea728bbbe4bc4248e504f6132ffab0ff1ea08be [file] [log] [blame]
// Copyright (c) 2014, 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 'package:expect/expect.dart';
f() {}
const g = 1;
const identical_ff = identical(f, f);
const identical_fg = identical(f, g);
const identical_gf = identical(g, f);
const identical_gg = identical(g, g);
// Verify proper compile time computation of identical()
const a = const {
identical_ff: 0, //# 01: compile-time error
identical_gg: 0, //# 02: compile-time error
true: 0
};
const b = const {
identical_fg: 0, //# 03: compile-time error
identical_gf: 0, //# 04: compile-time error
false: 0
};
use(x) => x;
main() {
use(a);
use(b);
// Verify proper run time computation of identical()
Expect.isTrue(identical_ff); //# 05: ok
Expect.isTrue(identical_gg); //# 06: ok
Expect.isFalse(identical_fg); //# 07: ok
Expect.isFalse(identical_gf); //# 08: ok
}