| // 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. |
| |
| import 'package:async_helper/async_helper.dart'; |
| import 'package:compiler/src/commandline_options.dart'; |
| import 'package:expect/expect.dart'; |
| import '../memory_compiler.dart'; |
| |
| const MEMORY_SOURCE_FILES = const { |
| 'main.dart': ''' |
| main (x, y) { |
| if (x != null) { |
| if (y != null) { |
| // Forces x and y to be int-checked. |
| int a = x; |
| int b = y; |
| // Now we must be able to do a direct "+" operation in JS. |
| return x + y; |
| } |
| } |
| } |
| ''', |
| }; |
| |
| main() { |
| runTest({bool useKernel}) async { |
| var options = [Flags.enableCheckedMode]; |
| if (!useKernel) options.add(Flags.useOldFrontend); |
| var result = await runCompiler( |
| memorySourceFiles: MEMORY_SOURCE_FILES, options: options); |
| var compiler = result.compiler; |
| var element = |
| compiler.backendClosedWorldForTesting.elementEnvironment.mainFunction; |
| var code = compiler.backend.getGeneratedCode(element); |
| Expect.isTrue(code.contains('+'), code); |
| } |
| |
| asyncTest(() async { |
| print('--test from ast---------------------------------------------------'); |
| await runTest(useKernel: false); |
| print('--test from kernel------------------------------------------------'); |
| await runTest(useKernel: true); |
| }); |
| } |