blob: 915cbf431b37b23477abd2dc0cb88cc29bc2024e [file] [log] [blame]
// 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 '../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({bool useKernel}) async {
CompileMode compileMode =
useKernel ? CompileMode.kernel : CompileMode.memory;
String generated1 =
await compileAll(SHOULD_NOT_BE_BOXED_TEST, compileMode: compileMode);
Expect.isTrue(generated1.contains('main_closure(i)'),
'for-loop variable should not have been boxed');
String generated2 =
await compileAll(SHOULD_BE_BOXED_TEST, compileMode: compileMode);
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 ast---------------------------------------------------');
await runTests(useKernel: false);
print('--test from kernel------------------------------------------------');
await runTests(useKernel: true);
});
}