| // 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; |
| |
| import 'use_flag_test_helper.dart'; |
| |
| 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('emit_aot_size_info_flag', (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>[ |
| '--aot', |
| '--platform=$platformDill', |
| '-o', |
| scriptDill, |
| script, |
| ]); |
| |
| // Run the AOT compiler with the size information flags set. |
| final elfFile = path.join(tempDir, 'aot.snapshot'); |
| await Future.wait(<Future>[ |
| run(genSnapshot, <String>[ |
| '--snapshot-kind=app-aot-elf', |
| '--print-instructions-sizes-to=$appSizesJson', |
| '--write-v8-snapshot-profile-to=$appHeapsnapshot', |
| '--elf=$elfFile', |
| scriptDill, |
| ]), |
| ]); |
| |
| // Ensure we can actually run the code. |
| await Future.wait(<Future>[ |
| run(aotRuntime, <String>[ |
| elfFile, |
| scriptDill, |
| 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); |
| Expect.isTrue(snapshotMap.keys.contains('snapshot')); |
| |
| 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(); |
| } |