| // 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 |
| |
| library test.invoke_test; |
| |
| import 'dart:mirrors'; |
| |
| import 'dart:async' show Future; |
| |
| import 'package:expect/expect.dart'; |
| |
| class C { |
| var field; |
| C() : this.field = 'default'; |
| C.named(this.field); |
| |
| get getter => 'get $field'; |
| set setter(v) => field = 'set $v'; |
| method(x, y, z) => '$x+$y+$z'; |
| toString() => 'a C'; |
| |
| noSuchMethod(invocation) => 'DNU'; |
| |
| static var staticField = 'initial'; |
| static get staticGetter => 'sget $staticField'; |
| static set staticSetter(v) => staticField = 'sset $v'; |
| static staticFunction(x, y) => "($x,$y)"; |
| } |
| |
| var libraryField = 'a priori'; |
| get libraryGetter => 'lget $libraryField'; |
| set librarySetter(v) => libraryField = 'lset $v'; |
| libraryFunction(x, y) => '$x$y'; |
| |
| testSync() { |
| var result; |
| |
| // InstanceMirror invoke |
| C c = new C(); |
| InstanceMirror im = reflect(c); |
| result = im.invoke(const Symbol('method'), [2, 4, 8]); |
| Expect.equals('2+4+8', result.reflectee); |
| result = im.invoke(const Symbol('doesntExist'), [2, 4, 8]); |
| Expect.equals('DNU', result.reflectee); |
| result = im.invoke(const Symbol('method'), [2, 4]); // Wrong arity. |
| Expect.equals('DNU', result.reflectee); |
| |
| // InstanceMirror invokeGetter |
| result = im.getField(const Symbol('getter')); |
| Expect.equals('get default', result.reflectee); |
| result = im.getField(const Symbol('field')); |
| Expect.equals('default', result.reflectee); |
| result = im.getField(const Symbol('doesntExist')); |
| Expect.equals('DNU', result.reflectee); |
| |
| // InstanceMirror invokeSetter |
| result = im.setField(const Symbol('setter'), 'foo'); |
| Expect.equals('foo', result.reflectee); |
| Expect.equals('set foo', c.field); |
| Expect.equals('set foo', im.getField(const Symbol('field')).reflectee); |
| result = im.setField(const Symbol('field'), 'bar'); |
| Expect.equals('bar', result.reflectee); |
| Expect.equals('bar', c.field); |
| Expect.equals('bar', im.getField(const Symbol('field')).reflectee); |
| result = im.setField(const Symbol('doesntExist'), 'bar'); |
| Expect.equals('bar', result.reflectee); |
| |
| // ClassMirror invoke |
| ClassMirror cm = reflectClass(C); |
| result = cm.invoke(const Symbol('staticFunction'), [3, 4]); |
| Expect.equals('(3,4)', result.reflectee); |
| Expect.throwsNoSuchMethodError( |
| () => cm.invoke(const Symbol('doesntExist'), [3, 4]), 'Not defined'); |
| Expect.throwsNoSuchMethodError( |
| () => cm.invoke(const Symbol('staticFunction'), [3]), 'Wrong arity'); |
| |
| // ClassMirror invokeGetter |
| result = cm.getField(const Symbol('staticGetter')); |
| Expect.equals('sget initial', result.reflectee); |
| result = cm.getField(const Symbol('staticField')); |
| Expect.equals('initial', result.reflectee); |
| Expect.throwsNoSuchMethodError( |
| () => cm.getField(const Symbol('doesntExist')), 'Not defined'); |
| |
| // ClassMirror invokeSetter |
| result = cm.setField(const Symbol('staticSetter'), 'sfoo'); |
| Expect.equals('sfoo', result.reflectee); |
| Expect.equals('sset sfoo', C.staticField); |
| Expect.equals( |
| 'sset sfoo', cm.getField(const Symbol('staticField')).reflectee); |
| result = cm.setField(const Symbol('staticField'), 'sbar'); |
| Expect.equals('sbar', result.reflectee); |
| Expect.equals('sbar', C.staticField); |
| Expect.equals('sbar', cm.getField(const Symbol('staticField')).reflectee); |
| Expect.throwsNoSuchMethodError( |
| () => cm.setField(const Symbol('doesntExist'), 'sbar'), 'Not defined'); |
| |
| // ClassMirror invokeConstructor |
| result = cm.newInstance(Symbol.empty, []); |
| Expect.isTrue(result.reflectee is C); |
| Expect.equals('default', result.reflectee.field); |
| result = cm.newInstance(const Symbol('named'), ['my value']); |
| Expect.isTrue(result.reflectee is C); |
| Expect.equals('my value', result.reflectee.field); |
| Expect.throwsNoSuchMethodError( |
| () => cm.newInstance(const Symbol('doesntExist'), ['my value']), |
| 'Not defined'); |
| Expect.throwsNoSuchMethodError( |
| () => cm.newInstance(const Symbol('named'), []), 'Wrong arity'); |
| |
| // LibraryMirror invoke |
| LibraryMirror lm = cm.owner as LibraryMirror; |
| result = lm.invoke(const Symbol('libraryFunction'), [':', ')']); |
| Expect.equals(':)', result.reflectee); |
| Expect.throwsNoSuchMethodError( |
| () => lm.invoke(const Symbol('doesntExist'), [':', ')']), 'Not defined'); |
| Expect.throwsNoSuchMethodError( |
| () => lm.invoke(const Symbol('libraryFunction'), [':']), 'Wrong arity'); |
| |
| // LibraryMirror invokeGetter |
| result = lm.getField(const Symbol('libraryGetter')); |
| Expect.equals('lget a priori', result.reflectee); |
| result = lm.getField(const Symbol('libraryField')); |
| Expect.equals('a priori', result.reflectee); |
| Expect.throwsNoSuchMethodError( |
| () => lm.getField(const Symbol('doesntExist')), 'Not defined'); |
| |
| // LibraryMirror invokeSetter |
| result = lm.setField(const Symbol('librarySetter'), 'lfoo'); |
| Expect.equals('lfoo', result.reflectee); |
| Expect.equals('lset lfoo', libraryField); |
| Expect.equals( |
| 'lset lfoo', lm.getField(const Symbol('libraryField')).reflectee); |
| result = lm.setField(const Symbol('libraryField'), 'lbar'); |
| Expect.equals('lbar', result.reflectee); |
| Expect.equals('lbar', libraryField); |
| Expect.equals('lbar', lm.getField(const Symbol('libraryField')).reflectee); |
| Expect.throwsNoSuchMethodError( |
| () => lm.setField(const Symbol('doesntExist'), 'lbar'), 'Not defined'); |
| } |
| |
| main() { |
| testSync(); |
| } |