| // Copyright (c) 2015, 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.library_imports_deferred; |
| |
| import 'dart:mirrors'; |
| import 'package:expect/expect.dart'; |
| import 'stringify.dart'; |
| |
| import 'dart:collection' as eagercollection; |
| import 'dart:collection' deferred as lazycollection; |
| |
| test(MirrorSystem mirrors) { |
| LibraryMirror thisLibrary = |
| mirrors.findLibrary(#test.library_imports_deferred); |
| LibraryMirror collection = mirrors.findLibrary(#dart.collection); |
| |
| var importsOfCollection = thisLibrary.libraryDependencies |
| .where((dep) => dep.targetLibrary == collection) |
| .toList(); |
| Expect.equals(2, importsOfCollection.length); |
| Expect.notEquals(importsOfCollection[0].isDeferred, |
| importsOfCollection[1].isDeferred); // One deferred, one not. |
| |
| // Only collection is defer-imported. |
| LibraryDependencyMirror dep = |
| thisLibrary.libraryDependencies.singleWhere((dep) => dep.isDeferred); |
| Expect.equals(collection, dep.targetLibrary); |
| |
| Expect.stringEquals( |
| 'import dart.collection as eagercollection\n' |
| 'import dart.collection deferred as lazycollection\n' |
| ' hide loadLibrary\n' |
| 'import dart.core\n' |
| 'import dart.mirrors\n' |
| 'import expect\n' |
| 'import test.stringify\n', |
| stringifyDependencies(thisLibrary)); |
| } |
| |
| main() { |
| test(currentMirrorSystem()); |
| } |