| // 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. |
| |
| // Make sure that limiting mirrors through @MirrorsUsed does not |
| // affect optimizations done on arrays. |
| |
| import 'package:expect/expect.dart'; |
| import "package:async_helper/async_helper.dart"; |
| import 'memory_compiler.dart'; |
| |
| const MEMORY_SOURCE_FILES = const { |
| 'main.dart': ''' |
| |
| @MirrorsUsed(targets: 'main') |
| import 'dart:mirrors'; |
| class A { |
| var field; |
| } |
| |
| main() { |
| var a = new A(); |
| var mirror = reflect(a); |
| var array = [42, 42]; |
| a.field = array; |
| var field = mirror.getField(#field); |
| field.invoke(#clear, []); |
| return array.length; |
| } |
| ''', |
| }; |
| |
| main() { |
| asyncTest(() async { |
| var result = await runCompiler(memorySourceFiles: MEMORY_SOURCE_FILES); |
| var compiler = result.compiler; |
| var element = compiler.frontendStrategy.elementEnvironment.mainFunction; |
| var code = compiler.backend.getGeneratedCode(element); |
| Expect.isTrue(code.contains('return 2'), "Unexpected code:\n$code"); |
| }); |
| } |