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>
40 lines
1.1 KiB
Dart
40 lines
1.1 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 BigInt can be passed through a message port and
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// simple arithmetic operations still work after that.
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// This is a regression test for https://github.com/dart-lang/sdk/issues/34752.
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import 'dart:io';
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import 'dart:isolate';
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import "package:expect/expect.dart";
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const int kValue = 12345678;
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const int kShift = 8192 * 8;
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void verify(BigInt x) {
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BigInt y = x >> kShift;
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Expect.equals("$kValue", "$y");
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}
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void main() {
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BigInt big = BigInt.from(kValue) << kShift;
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verify(big);
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final rp = new ReceivePort();
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rp.listen((dynamic data) {
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BigInt received = data as BigInt;
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verify(received);
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BigInt x = received + BigInt.one - BigInt.one;
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verify(x);
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print("ok");
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exit(0);
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});
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rp.sendPort.send(big);
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}
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