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// 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';
// Test that function literals are parsed correctly in initializers.
class A {
final x;
static foo(f) => f();
A.parenthesized(y) : x = (() => y);
A.stringLiteral(y) : x = "**${() => y}--";
A.listLiteral(y) : x = [() => y];
A.mapLiteral(y) : x = {"fun": () => y};
A.arg(y) : x = foo(() => y);
}
main() {
var a, f;
a = new A.parenthesized(499);
f = a.x;
Expect.isTrue(f is Function);
Expect.equals(499, f());
// The toString of closures is not specified. Just make sure that there is no
// crash.
a = new A.stringLiteral(42);
Expect.isTrue(a.x.startsWith("**"));
Expect.isTrue(a.x.endsWith("--"));
a = new A.listLiteral(99);
f = a.x[0];
Expect.isTrue(f is Function);
Expect.equals(99, f());
a = new A.mapLiteral(314);
f = a.x["fun"];
Expect.isTrue(f is Function);
Expect.equals(314, f());
a = new A.arg(123);
Expect.equals(123, a.x);
}