Ryan Macnak
37ed87b038
Port the service tests and Observatory to Dart 3. Change-Id: I8a8b20d8f90acd3b5f741c93f10ba99971aa0c52 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/154825 Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Ben Konyi <bkonyi@google.com>
68 lines
2.1 KiB
Dart
68 lines
2.1 KiB
Dart
// Copyright (c) 2014, 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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library vm_references_test;
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import 'dart:mirrors';
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import 'package:observatory/service_io.dart';
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import 'package:test/test.dart';
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import 'test_helper.dart';
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class Foo {}
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class Bar {}
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var expando;
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var key;
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var value;
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var weak_property;
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void script() {
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expando = new Expando('some debug name');
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key = new Foo();
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value = new Bar();
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expando[key] = value;
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InstanceMirror expandoMirror = reflect(expando);
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LibraryMirror libcore = expandoMirror.type.owner as LibraryMirror;
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var entries = expandoMirror
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.getField(MirrorSystem.getSymbol('_data', libcore))
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.reflectee;
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weak_property = entries.singleWhere((e) => e != null);
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print(weak_property);
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}
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var tests = <IsolateTest>[
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(Isolate isolate) async {
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Library lib = await isolate.rootLibrary.load() as Library;
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Field keyField = lib.variables.singleWhere((v) => v.name == 'key');
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await keyField.load();
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Instance key = keyField.staticValue as Instance;
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Field valueField = lib.variables.singleWhere((v) => v.name == 'value');
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await valueField.load();
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Instance value = valueField.staticValue as Instance;
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Field propField =
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lib.variables.singleWhere((v) => v.name == 'weak_property');
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await propField.load();
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Instance prop = propField.staticValue as Instance;
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expect(key.isWeakProperty, isFalse);
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expect(value.isWeakProperty, isFalse);
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expect(prop.isWeakProperty, isTrue);
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expect(prop.key, isNull);
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expect(prop.value, isNull);
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Instance loadedProp = await prop.load() as Instance;
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// Object ids are not canonicalized, so we rely on the key and value
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// being the sole instances of their classes to test we got the objects
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// we expect.
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expect(loadedProp.key, isNotNull);
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expect(loadedProp.key!.clazz, equals(key.clazz));
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expect(loadedProp.value, isNotNull);
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expect(loadedProp.value!.clazz, equals(value.clazz));
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},
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];
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main(args) => runIsolateTests(args, tests, testeeBefore: script);
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