| // Copyright (c) 2014, 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 = 2.7 |
| |
| // Ensures that closures are in the output unit of their enclosing element. |
| |
| import 'package:async_helper/async_helper.dart'; |
| import 'package:compiler/compiler_api.dart' as api; |
| import 'package:expect/expect.dart'; |
| |
| import '../helpers/memory_compiler.dart'; |
| |
| void main() { |
| asyncTest(() async { |
| print('--test from kernel------------------------------------------------'); |
| await runTest(); |
| }); |
| } |
| |
| runTest() async { |
| OutputCollector collector = new OutputCollector(); |
| await runCompiler(memorySourceFiles: sources, outputProvider: collector); |
| String mainOutput = collector.getOutput("", api.OutputType.js); |
| String deferredOutput = collector.getOutput("out_1", api.OutputType.jsPart); |
| |
| Expect.isTrue(mainOutput.contains("other_method_name() {")); |
| Expect.isFalse(mainOutput.contains("unique_method_name() {")); |
| Expect.isFalse(mainOutput.contains("unique_method_name_closure() {")); |
| Expect.isFalse(mainOutput.contains("unique-string")); |
| |
| Expect.isFalse(deferredOutput.contains("other_method_name() {")); |
| Expect.isTrue(deferredOutput.contains("unique_method_name() {")); |
| Expect.isTrue(deferredOutput.contains("unique_method_name_closure() {")); |
| Expect.isTrue(deferredOutput.contains("unique-string")); |
| } |
| |
| // Make sure that deferred constants are not inlined into the main hunk. |
| const Map<String, String> sources = const { |
| "main.dart": """ |
| import 'lib.dart' deferred as lib; |
| |
| main() async { |
| await (lib.loadLibrary)(); |
| lib.unique_method_name(); |
| other_method_name(); |
| } |
| other_method_name() { throw "hi"; }""", |
| "lib.dart": """ |
| library deferred; |
| |
| unique_method_name() => (() => print("unique-string"))(); |
| """ |
| }; |