| // 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. |
| |
| // @dart = 2.9 |
| |
| import "dart:mirrors"; |
| |
| import "package:expect/expect.dart"; |
| |
| membersOf(ClassMirror cm) { |
| var result = new Map(); |
| cm.declarations.forEach((k, v) { |
| if (v is MethodMirror && !v.isConstructor) result[k] = v; |
| if (v is VariableMirror) result[k] = v; |
| }); |
| return result; |
| } |
| |
| 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()) as ClosureMirror; |
| Expect.equals(7, cm.invoke(#call, [3, 4]).reflectee); |
| Expect.throwsNoSuchMethodError(() => cm.invoke(#call, [3]), "Wrong arity"); |
| Expect.equals(49, cm.invoke(#method, [7]).reflectee); |
| Expect.throwsNoSuchMethodError(() => cm.invoke(#method, [3, 4]), |
| "Wrong arity"); |
| Expect.equals(7, cm.apply([3, 4]).reflectee); |
| Expect.throwsNoSuchMethodError(() => cm.apply([3]), "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.hashCode, km.declarations[#call].hashCode); |
| Expect.setEquals([#call, #method], membersOf(km).keys); |
| } |