blob: b4c9885e8428789517b03d04164852ecf3393dae [file] [log] [blame]
// Copyright (c) 2012, 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";
var staticClosure;
int staticMethod() => 42;
class B {
var instanceClosure;
var nullField;
int instanceMethod() => 43;
}
checkUntyped(closure) {
Expect.isTrue(closure is Function);
}
checkTyped(int closure()) {
Expect.isTrue(closure is Function);
}
checkTypedNull(int closure()) {
Expect.isFalse(closure is Function);
}
checkUntypedNull(closure) {
Expect.isFalse(closure is Function);
}
main() {
staticClosure = () => 44;
B b = new B();
b.instanceClosure = () => 45;
closureStatement() => 46;
var closureExpression = () => 47;
checkUntyped(staticClosure);
checkTyped(staticClosure);
checkUntyped(staticMethod);
checkTyped(staticMethod);
checkUntyped(b.instanceClosure);
checkTyped(b.instanceClosure);
checkUntyped(b.instanceMethod);
checkTyped(b.instanceMethod);
checkUntyped(closureStatement);
checkTyped(closureStatement);
checkUntyped(closureExpression);
checkTyped(closureExpression);
checkTypedNull(b.nullField);
checkUntypedNull(b.nullField);
}