Alexander Aprelev
6b3abe0a98
Issue b/177800357. TEST=existing test suite Change-Id: Id6b113932ab7014b8fa6c105845c5c490b60f5e8 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/181320 Commit-Queue: Alexander Aprelev <aam@google.com> Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
47 lines
1.3 KiB
Dart
47 lines
1.3 KiB
Dart
// Copyright (c) 2018, 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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// VMOptions=--enable-isolate-groups --experimental-enable-isolate-groups-jit
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// VMOptions=--no-enable-isolate-groups
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// Verifies that large typed data can be passed in a field through message port.
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// This is a regression test for
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// https://github.com/flutter/flutter/issues/22796.
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import 'dart:io';
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import 'dart:isolate';
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import 'dart:typed_data';
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import "package:expect/expect.dart";
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class A {
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// TFA thinks this field has type _Int32List but sending an object across
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// a message port creates an instance that has _ExternalInt32List inside.
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final _int32Array = new Int32List(5 * 1024);
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A() {
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_int32Array.setRange(
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0, _int32Array.length, Iterable.generate(_int32Array.length));
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verify();
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}
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void verify() {
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for (var i = 0; i < _int32Array.length; i++) {
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if (_int32Array[i] != i) {
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print('_int32Array[$i]: ${_int32Array[i]} != ${i}');
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}
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Expect.equals(i, _int32Array[i]);
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}
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}
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}
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void main() {
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final rp = new ReceivePort();
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rp.listen((dynamic data) {
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(data as A).verify();
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print("ok");
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exit(0);
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});
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rp.sendPort.send(A());
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}
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