| // 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. |
| |
| @string @symbol |
| library test.library_metadata_test; |
| |
| import 'dart:mirrors'; |
| |
| const string = 'a metadata string'; |
| |
| const symbol = const Symbol('symbol'); |
| |
| const hest = 'hest'; |
| |
| checkMetadata(DeclarationMirror mirror, List expectedMetadata) { |
| List metadata = mirror.metadata.map((m) => m.reflectee).toList(); |
| if (metadata == null) { |
| throw 'Null metadata on $mirror'; |
| } |
| int expectedLength = expectedMetadata.length; |
| int actualLength = metadata.length; |
| if (expectedLength != actualLength) { |
| throw 'Expected length = $expectedLength, but got length = $actualLength.'; |
| } |
| for (int i = 0; i < expectedLength; i++) { |
| if (metadata[i] != expectedMetadata[i]) { |
| throw '${metadata[i]} is not "${expectedMetadata[i]}"' |
| ' in $mirror at index $i'; |
| } |
| } |
| print(metadata); |
| } |
| |
| main() { |
| if (MirrorSystem.getName(symbol) != 'symbol') { |
| // This happened in dart2js due to how early library metadata is |
| // computed. |
| throw 'Bad constant: $symbol'; |
| } |
| |
| MirrorSystem mirrors = currentMirrorSystem(); |
| checkMetadata(mirrors.findLibrary(const Symbol('test.library_metadata_test')).first, |
| [string, symbol]); |
| } |