blob: 35fd6b35be07af785e3d88e452ca2932c3dca3b0 [file] [log] [blame]
// Copyright (c) 2018, 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.
// @dart = 2.9
// Verifies that large typed data can be passed in a field through message port.
// This is a regression test for
// https://github.com/flutter/flutter/issues/22796.
import 'dart:io';
import 'dart:isolate';
import 'dart:typed_data';
import "package:expect/expect.dart";
class A {
// TFA thinks this field has type _Int32List but sending an object across
// a message port creates an instance that has _ExternalInt32List inside.
final _int32Array = new Int32List(5 * 1024);
A() {
_int32Array.setRange(
0, _int32Array.length, Iterable.generate(_int32Array.length));
verify();
}
void verify() {
for (var i = 0; i < _int32Array.length; i++) {
if (_int32Array[i] != i) {
print('_int32Array[$i]: ${_int32Array[i]} != ${i}');
}
Expect.equals(i, _int32Array[i]);
}
}
}
void main() {
final rp = new ReceivePort();
rp.listen((dynamic data) {
(data as A).verify();
print("ok");
exit(0);
});
rp.sendPort.send(A());
}