Joshua Litt
20faaa5d94
Change-Id: Ib18f554c1076f27a3f7c0df5a36410da41a1f467 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/148784 Reviewed-by: Paul Berry <paulberry@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com>
66 lines
1.6 KiB
Dart
66 lines
1.6 KiB
Dart
// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// @dart = 2.7
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import "package:expect/expect.dart";
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import "package:async_helper/async_helper.dart";
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import '../helpers/compiler_helper.dart';
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String SHOULD_NOT_BE_BOXED_TEST = r'''
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main() {
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var a;
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for (var i=0; i<10; i++) {
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a = () => i;
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}
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print(a());
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}
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''';
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String SHOULD_BE_BOXED_TEST = r'''
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run(f) => f();
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main() {
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var a;
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for (var i=0; i<10; run(() => i++)) {
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a = () => i;
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}
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print(a());
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}
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''';
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String ONLY_UPDATE_LOOP_VAR_TEST = r'''
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run(f) => f();
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main() {
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var a;
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for (var i=0; i<10; run(() => i++)) {
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var b = 3;
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a = () => b = i;
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}
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print(a());
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}
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''';
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main() {
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runTests() async {
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String generated1 = await compileAll(SHOULD_NOT_BE_BOXED_TEST);
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Expect.isTrue(generated1.contains('main_closure(i)'),
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'for-loop variable should not have been boxed');
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String generated2 = await compileAll(SHOULD_BE_BOXED_TEST);
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Expect.isFalse(generated2.contains('main_closure(i)'),
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'for-loop variable should have been boxed');
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String generated3 = await compileAll(ONLY_UPDATE_LOOP_VAR_TEST);
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Expect.isFalse(generated3.contains('main_closure(i)'),
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'for-loop variable should have been boxed');
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Expect.isFalse(generated3.contains(', _box_0.b = 3,'),
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'non for-loop captured variable should not be updated in loop');
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}
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asyncTest(() async {
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print('--test from kernel------------------------------------------------');
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await runTests();
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});
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}
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