Files
sdk/tests/language_2/is_function_test.dart
T
Ben Konyi 192579020c Migrated test block 121 to Dart 2.0.
Bug:
Change-Id: I194436597ba39b2e2b872fb58b77314ab925b3aa
Reviewed-on: https://dart-review.googlesource.com/7080
Commit-Queue: Ben Konyi <bkonyi@google.com>
Reviewed-by: Bob Nystrom <rnystrom@google.com>
2017-09-19 23:36:24 +00:00

61 lines
1.2 KiB
Dart

// 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.
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);
}