dart-sdk/tests/lib_2/mirrors/delegate_function_invocation_test.dart
Ben Konyi 64105ee014 Migrated test block 219 to Dart 2.0.
No major changes. Some tests that rely on noSuchMethod needed to have
some 'var's changed to 'dynamic's.

BUG=
R=rnystrom@google.com

Review-Url: https://codereview.chromium.org/3003123002 .
2017-08-30 07:51:59 -07:00

57 lines
1.2 KiB
Dart

// 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.
library test.delgate_function_invocation;
import 'dart:mirrors';
import 'package:expect/expect.dart';
class Proxy {
var targetMirror;
Proxy(target) : this.targetMirror = reflect(target);
noSuchMethod(invocation) => targetMirror.delegate(invocation);
}
testClosure() {
dynamic proxy = new Proxy(() => 42);
Expect.equals(42, proxy());
Expect.equals(42, proxy.call());
}
class FakeFunction {
call() => 43;
}
testFakeFunction() {
dynamic proxy = new Proxy(new FakeFunction());
Expect.equals(43, proxy());
Expect.equals(43, proxy.call());
}
topLevelFunction() => 44;
testTopLevelTearOff() {
dynamic proxy = new Proxy(topLevelFunction);
Expect.equals(44, proxy());
Expect.equals(44, proxy.call());
}
class C {
method() => 45;
}
testInstanceTearOff() {
dynamic proxy = new Proxy(new C().method);
Expect.equals(45, proxy());
Expect.equals(45, proxy.call());
}
main() {
testClosure();
testFakeFunction();
testTopLevelTearOff();
testInstanceTearOff();
}