| // Copyright (c) 2015, 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:observatory_2/service_io.dart'; |
| import 'package:test/test.dart'; |
| |
| import 'test_helper.dart'; |
| |
| class _TestClass { |
| _TestClass(this.x, this.y); |
| // Make sure these fields are not removed by the tree shaker. |
| @pragma("vm:entry-point") |
| var x; |
| @pragma("vm:entry-point") |
| var y; |
| } |
| |
| @pragma("vm:entry-point") |
| var myVar; |
| |
| @pragma("vm:entry-point") |
| invoke1() => myVar = new _TestClass(null, null); |
| |
| @pragma("vm:entry-point") |
| invoke2() => myVar = new _TestClass(new _TestClass(null, null), null); |
| |
| invoke(Isolate isolate, String selector) async { |
| Map params = { |
| 'targetId': isolate.rootLibrary.id, |
| 'selector': selector, |
| 'argumentIds': <String>[], |
| }; |
| return await isolate.invokeRpcNoUpgrade('invoke', params); |
| } |
| |
| var tests = <IsolateTest>[ |
| (Isolate isolate) async { |
| // One instance of _TestClass retained. |
| var evalResult = await invoke(isolate, 'invoke1'); |
| var params = { |
| 'targetId': evalResult['id'], |
| }; |
| var result = await isolate.invokeRpcNoUpgrade('_getRetainedSize', params); |
| expect(result['type'], equals('@Instance')); |
| expect(result['kind'], equals('Int')); |
| int value1 = int.parse(result['valueAsString']); |
| expect(value1, isPositive); |
| |
| // Two instances of _TestClass retained. |
| evalResult = await invoke(isolate, 'invoke2'); |
| params = { |
| 'targetId': evalResult['id'], |
| }; |
| result = await isolate.invokeRpcNoUpgrade('_getRetainedSize', params); |
| expect(result['type'], equals('@Instance')); |
| expect(result['kind'], equals('Int')); |
| int value2 = int.parse(result['valueAsString']); |
| expect(value2, isPositive); |
| |
| // Size has doubled. |
| expect(value2, equals(2 * value1)); |
| |
| // Get the retained size for class _TestClass. |
| params = { |
| 'targetId': evalResult['class']['id'], |
| }; |
| result = await isolate.invokeRpcNoUpgrade('_getRetainedSize', params); |
| expect(result['type'], equals('@Instance')); |
| expect(result['kind'], equals('Int')); |
| int value3 = int.parse(result['valueAsString']); |
| expect(value3, isPositive); |
| expect(value3, equals(value2)); |
| }, |
| ]; |
| |
| main(args) async => runIsolateTests(args, tests); |