Ben Konyi
c42c76f590
This change tries to run from dartdev.dart.snapshot and falls back to running from dartdev.dill if incompatible VM flags are provided. Fixes https://github.com/dart-lang/sdk/issues/43969 Performance results: dart test.dart (no CLI isolate): 0.167s dart run test (from snapshot): 0.208s dart run test (from kernel): 0.326s TEST=pkg/dartdev/test/load_from_dill_test.dart Change-Id: I3195886b86676580ef2a0221f0284328964ef061 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/178300 Commit-Queue: Ben Konyi <bkonyi@google.com> Reviewed-by: Siva Annamalai <asiva@google.com>
30 lines
965 B
Dart
30 lines
965 B
Dart
// Copyright (c) 2021, 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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import 'dart:io';
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import 'package:test/test.dart';
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import 'utils.dart';
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void main() {
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TestProject p;
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tearDown(() => p?.dispose());
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test("Fallback to dartdev.dill from dartdev.dart.snapshot for 'Hello World'",
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() {
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p = project(mainSrc: "void main() { print('Hello World'); }");
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// The DartDev snapshot includes the --use-bare-instructions flag. If
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// --no-use-bare-instructions is passed, the VM will fail to load the
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// snapshot and should fall back to using the DartDev dill file.
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ProcessResult result =
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p.runSync(['--no-use-bare-instructions', 'run', p.relativeFilePath]);
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expect(result.stdout, contains('Hello World'));
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expect(result.stderr, isEmpty);
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expect(result.exitCode, 0);
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});
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}
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