Ryan Macnak
546bf07f7d
TEST=ci Change-Id: I65c315e9efc3cd7b8b47d2c167681986278644da Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/502780 Reviewed-by: Alexander Markov <alexmarkov@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
71 lines
2.2 KiB
Dart
71 lines
2.2 KiB
Dart
// Copyright (c) 2023, 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:expect/expect.dart';
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import 'package:native_stack_traces/elf.dart';
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import 'package:path/path.dart' as path;
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import 'use_flag_test_helper.dart';
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main(List<String> args) async {
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if (!isAOTRuntime) {
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print('Skipping test due to AOT runtime not being available');
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return; // Running in JIT: AOT binaries not available.
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}
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if (Platform.isAndroid) {
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print(
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'Skipping test due to being on Android where needed tools are not '
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'available.',
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);
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return; // SDK tree and gen_snapshot not available on the test device.
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}
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// These are the tools we need to be available to run on a given platform:
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if (!await testExecutable(genSnapshot)) {
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throw "Cannot run test as $genSnapshot not available";
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}
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if (!await testExecutable(dartPrecompiledRuntime)) {
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throw "Cannot run test as $dartPrecompiledRuntime not available";
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}
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if (!File(platformDill).existsSync()) {
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throw "Cannot run test as $platformDill does not exist";
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}
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await withElfSnapshot((Elf elf) {
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// NOTE: These tests validate properties we should strive to maintain.
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// Please reach out to go/dart-ama before changing them.
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final Symbol? symbol = elf.dynamicSymbolFor('_kDartSnapshotText');
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Expect.isTrue(symbol != null && symbol.value > 0);
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});
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}
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Future withElfSnapshot(Function(Elf) fun) async {
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await withTempDir('ama-test', (String tempDir) async {
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final scriptDart = path.join(tempDir, 'script.dart');
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final scriptDill = path.join(tempDir, 'script.dill');
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final scriptElf = path.join(tempDir, 'script.elf');
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File(scriptDart).writeAsStringSync('main() => print("script");');
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await run(genKernel, <String>[
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'--aot',
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'--platform=$platformDill',
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'-o',
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scriptDill,
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scriptDart,
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]);
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await run(genSnapshot, <String>[
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'--snapshot-kind=app-aot-elf',
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'--elf=$scriptElf',
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scriptDill,
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]);
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final elf = Elf.fromFile(scriptElf)!;
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await fun(elf);
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});
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}
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