blob: 899f5f33b07e2ced94b44330a9d8e068346194bb [file] [log] [blame]
// 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.
// Test that global analysis in dart2js propagates positive integers.
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': '''
var a = [42];
main() {
var value = a[0];
if (value < 42) {
return new List(42)[value];
}
}
''',
};
main() {
runTest({bool useKernel}) async {
var result = await runCompiler(
memorySourceFiles: MEMORY_SOURCE_FILES,
options: useKernel ? [] : [Flags.useOldFrontend]);
var compiler = result.compiler;
var element =
compiler.backendClosedWorldForTesting.elementEnvironment.mainFunction;
var code = compiler.backend.getGeneratedCode(element);
Expect.isFalse(code.contains('ioore'));
}
asyncTest(() async {
print('--test from ast---------------------------------------------------');
await runTest(useKernel: false);
print('--test from kernel------------------------------------------------');
await runTest(useKernel: true);
});
}