blob: 8c647eb0065c6532093598d07ff53436212f9068 [file] [log] [blame]
// Copyright (c) 2019, 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.
import "dart:async";
import "dart:io";
import "dart:convert";
import 'package:expect/expect.dart';
import 'package:path/path.dart' as path;
main(List<String> args) async {
if (!Platform.executable.endsWith("dart_precompiled_runtime")) {
return; // Running in JIT: AOT binaries not available.
if (Platform.isAndroid) {
return; // SDK tree and gen_snapshot not available on the test device.
final buildDir = path.dirname(Platform.executable);
final sdkDir = path.dirname(path.dirname(buildDir));
final platformDill = path.join(buildDir, 'vm_platform_strong.dill');
final genSnapshot = path.join(buildDir, 'gen_snapshot');
final aotRuntime = path.join(buildDir, 'dart_precompiled_runtime');
await withTempDir((String tempDir) async {
final script = path.join(sdkDir, 'pkg/kernel/bin/dump.dart');
final scriptDill = path.join(tempDir, 'kernel_dump.dill');
final appHeapsnapshot = path.join(tempDir, 'app.heapsnapshot');
final appSizesJson = path.join(tempDir, 'app-sizes.json');
// Compile script to Kernel IR.
await run('pkg/vm/tool/gen_kernel', <String>[
// Run the AOT compiler with the size information flags set.
final elfFile = path.join(tempDir, 'aot.snapshot');
await Future.wait(<Future>[
run(genSnapshot, <String>[
// Ensure we can actually run the code.
await Future.wait(<Future>[
run(aotRuntime, <String>[
path.join(tempDir, 'ignored.txt'),
// Ensure we can read the files and they look legitimate.
final appHeapsnapshotBytes = await readFile(appHeapsnapshot);
final snapshotMap = json.decode(appHeapsnapshotBytes);
Expect.isTrue(snapshotMap is Map);
final appSizesJsonBytes = await readFile(appSizesJson);
final sizeList = json.decode(appSizesJsonBytes);
Expect.isTrue(sizeList is List);
Expect.isTrue(sizeList[0] is Map);
Expect.isTrue(sizeList[0].keys.toSet().containsAll(['n', 's']));
Future<String> readFile(String file) {
return new File(file).readAsString();
Future run(String executable, List<String> args) async {
print('Running $executable ${args.join(' ')}');
final result = await, args);
final String stdout = result.stdout;
final String stderr = result.stderr;
if (stdout.isNotEmpty) {
if (stderr.isNotEmpty) {
if (result.exitCode != 0) {
throw 'Command failed with non-zero exit code (was ${result.exitCode})';
Future withTempDir(Future fun(String dir)) async {
final tempDir =
try {
await fun(tempDir.path);
} finally {
tempDir.deleteSync(recursive: true);