blob: 3d80c03b0cfcabecc4eab862b99553bb6c41c318 [file] [log] [blame]
// Copyright (c) 2013, 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 "dart:mirrors";
import "package:expect/expect.dart";
class MultiArityFunction implements Function {
noSuchMethod(Invocation msg) {
if (msg.memberName != #call) return super.noSuchMethod(msg);
return msg.positionalArguments.join(",");
main() {
dynamic f = new MultiArityFunction();
Expect.isTrue(f is Function);
Expect.equals('a', f('a'));
Expect.equals('a,b', f('a', 'b'));
Expect.equals('a,b,c', f('a', 'b', 'c'));
Expect.equals('a', Function.apply(f, ['a']));
Expect.equals('a,b', Function.apply(f, ['a', 'b']));
Expect.equals('a,b,c', Function.apply(f, ['a', 'b', 'c']));
Expect.throwsNoSuchMethodError(() =>'a', 'b', 'c'));
ClosureMirror cm = reflect(f) as ClosureMirror;
Expect.isTrue(cm is ClosureMirror);
Expect.equals('a', cm.apply(['a']).reflectee);
Expect.equals('a,b', cm.apply(['a', 'b']).reflectee);
Expect.equals('a,b,c', cm.apply(['a', 'b', 'c']).reflectee);
MethodMirror mm = cm.function;
ClassMirror km = cm.type;
Expect.equals(reflectClass(MultiArityFunction), km);