| // 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 'package:vm_service/vm_service.dart'; |
| import 'package:test/test.dart'; |
| |
| import 'common/service_test_common.dart'; |
| import 'common/test_helper.dart'; |
| |
| fib(n) { |
| if (n < 0) return 0; |
| if (n == 0) return 1; |
| return fib(n - 1) + fib(n - 2); |
| } |
| |
| testeeDo() { |
| print("Testee doing something."); |
| fib(30); |
| print("Testee did something."); |
| } |
| |
| Future checkSamples(VmService service, IsolateRef isolate) async { |
| // Grab all the samples. |
| final result = await service.getCpuSamples(isolate.id, 0, ~0); |
| |
| final isString = TypeMatcher<String>(); |
| final isInt = TypeMatcher<int>(); |
| final isList = TypeMatcher<List>(); |
| expect(result.functions.length, greaterThan(10), |
| reason: "Should have many functions"); |
| |
| final samples = result.samples; |
| expect(samples.length, greaterThan(10), reason: "Should have many samples"); |
| expect(samples.length, result.sampleCount); |
| |
| final sample = samples.first; |
| expect(sample.tid, isInt); |
| expect(sample.timestamp, isInt); |
| if (sample.vmTag != null) { |
| expect(sample.vmTag, isString); |
| } |
| if (sample.userTag != null) { |
| expect(sample.userTag, isString); |
| } |
| expect(sample.stack, isList); |
| } |
| |
| var tests = <IsolateTest>[ |
| ((VmService service, IsolateRef i) => checkSamples(service, i)), |
| ]; |
| |
| var vmArgs = [ |
| '--profiler=true', |
| '--profile-vm=false', // So this also works with KBC. |
| ]; |
| |
| main([args = const <String>[]]) async => |
| runIsolateTests(args, tests, testeeBefore: testeeDo, extraArgs: vmArgs); |