|  | // Copyright (c) 2019, 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 = 2.6 | 
|  |  | 
|  | import 'package:expect/expect.dart'; | 
|  | import 'dart:_foreign_helper' show JS; | 
|  | import 'dart:_runtime' as dart; | 
|  |  | 
|  | part 'libraries_part.dart'; | 
|  |  | 
|  | void main() { | 
|  | // Test getLibraries() | 
|  | var libraries = dart.getLibraries(); | 
|  | Expect.isTrue(libraries.contains('dart:core')); | 
|  | Expect.isTrue(libraries.contains('package:expect/expect.dart')); | 
|  |  | 
|  | // Test getParts(...) | 
|  | var expectParts = dart.getParts('package:expect/expect.dart'); | 
|  | Expect.isTrue(expectParts.isEmpty); | 
|  |  | 
|  | var testLibraries = | 
|  | libraries.where((l) => l.endsWith('libraries_test.dart')).toList(); | 
|  | Expect.isTrue(testLibraries.length == 1); | 
|  | var testParts = dart.getParts(testLibraries.first); | 
|  | Expect.isTrue(testParts.length == 1); | 
|  | Expect.isTrue(testParts.first.endsWith('libraries_part.dart')); | 
|  |  | 
|  | // Test getLibrary(...) | 
|  | var core = dart.getLibrary('dart:core'); | 
|  | var stackTraceType = dart.wrapType(JS('', '#.StackTrace', core)); | 
|  | Expect.equals(StackTrace, stackTraceType); | 
|  | } |