Test reflecting on an object that implements Function but has no call method.

tests/lib/mirrors/fake_function_test.dart

-// 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 WannabeFunction {
-  int call(int a, int b) => a + b;
-  method(x) => x * x;
-}
-
-main() {
-  Expect.isTrue(new WannabeFunction() is Function);
-
-  ClosureMirror cm = reflect(new WannabeFunction());
-  Expect.equals(7, cm.invoke(#call, [3,4]).reflectee);
-  Expect.throws(() => cm.invoke(#call, [3]),
-                (e) => e is NoSuchMethodError,
-                "Wrong arity");
-  Expect.equals(49, cm.invoke(#method, [7]).reflectee);
-  Expect.throws(() => cm.invoke(#method, [3, 4]),
-                (e) => e is NoSuchMethodError,
-                "Wrong arity");
-  Expect.equals(7, cm.apply([3,4]).reflectee);
-  Expect.throws(() => cm.apply([3]),
-                (e) => e is NoSuchMethodError,
-                "Wrong arity");
-
-  MethodMirror mm = cm.function;
-  Expect.equals(#call, mm.simpleName);
-  Expect.equals(reflectClass(WannabeFunction), mm.owner);
-  Expect.isTrue(mm.isRegularMethod);
-  Expect.equals(#int, mm.returnType.simpleName);
-  Expect.equals(#int, mm.parameters[0].type.simpleName);
-  Expect.equals(#int, mm.parameters[1].type.simpleName);
-
-  ClassMirror km = cm.type;
-  Expect.equals(reflectClass(WannabeFunction), km);
-  Expect.equals(#WannabeFunction, km.simpleName);
-  Expect.equals(mm, km.members[#call]);
-  Expect.setEquals([#call, #method], km.members.keys);
-}