Files
sdk/tests/compiler/dart2js/codegen/forloop_box_test.dart
T
Johnni Winther 6616ddeb88 Move dart2js unittests to subfolders
* All helpers in /helpers/
* Tests of user-facing behavior in /end_to_end/
* Tests of internal models and unittests of internal classes in /model/

Change-Id: Ic7a7e58aa01f92f8572514ae81230804f36af67e
Reviewed-on: https://dart-review.googlesource.com/72644
Commit-Queue: Johnni Winther <johnniwinther@google.com>
Reviewed-by: Stephen Adams <sra@google.com>
2018-09-10 08:22:53 +00:00

64 lines
1.6 KiB
Dart

// 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.
import "package:expect/expect.dart";
import "package:async_helper/async_helper.dart";
import '../helpers/compiler_helper.dart';
String SHOULD_NOT_BE_BOXED_TEST = r'''
main() {
var a;
for (var i=0; i<10; i++) {
a = () => i;
}
print(a());
}
''';
String SHOULD_BE_BOXED_TEST = r'''
run(f) => f();
main() {
var a;
for (var i=0; i<10; run(() => i++)) {
a = () => i;
}
print(a());
}
''';
String ONLY_UPDATE_LOOP_VAR_TEST = r'''
run(f) => f();
main() {
var a;
for (var i=0; i<10; run(() => i++)) {
var b = 3;
a = () => b = i;
}
print(a());
}
''';
main() {
runTests() async {
String generated1 = await compileAll(SHOULD_NOT_BE_BOXED_TEST);
Expect.isTrue(generated1.contains('main_closure(i)'),
'for-loop variable should not have been boxed');
String generated2 = await compileAll(SHOULD_BE_BOXED_TEST);
Expect.isFalse(generated2.contains('main_closure(i)'),
'for-loop variable should have been boxed');
String generated3 = await compileAll(ONLY_UPDATE_LOOP_VAR_TEST);
Expect.isFalse(generated3.contains('main_closure(i)'),
'for-loop variable should have been boxed');
Expect.isFalse(generated3.contains(', _box_0.b = 3,'),
'non for-loop captured variable should not be updated in loop');
}
asyncTest(() async {
print('--test from kernel------------------------------------------------');
await runTests();
});
}