Build Observatory with runtime

runtime/bin/vmservice/observatory/test/graph_test.dart

-// Copyright (c) 2014, 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 'package:observatory/object_graph.dart';
-import 'package:observatory/service_io.dart';
-import 'package:unittest/unittest.dart';
-import 'test_helper.dart';
-
-class Foo {
-  Object left;
-  Object right;
-}
-Foo r;
-
-List lst;
-
-void script() {
-  // Create 3 instances of Foo, with out-degrees
-  // 0 (for b), 1 (for a), and 2 (for staticFoo).
-  r = new Foo();
-  var a = new Foo();
-  var b = new Foo();
-  r.left = a;
-  r.right = b;
-  a.left = b;
-  
-  lst = new List(2);
-  lst[0] = lst;  // Self-loop.
-  // Larger than any other fixed-size list in a fresh heap.
-  lst[1] = new List(123456);
-}
-
-int fooId;
-
-var tests = [
-
-(Isolate isolate) {
-  Completer completer = new Completer();
-  isolate.vm.events.stream.listen((ServiceEvent event) {
-    if (event.eventType == '_Graph') {
-      ReadStream reader = new ReadStream(event.data);
-      ObjectGraph graph = new ObjectGraph(reader);
-      expect(fooId, isNotNull);
-      Iterable<ObjectVertex> foos = graph.vertices.where(
-          (ObjectVertex obj) => obj.classId == fooId);
-      expect(foos.length, equals(3));
-      expect(foos.where(
-          (ObjectVertex obj) => obj.succ.length == 0).length, equals(1));
-      expect(foos.where(
-          (ObjectVertex obj) => obj.succ.length == 1).length, equals(1));
-      expect(foos.where(
-          (ObjectVertex obj) => obj.succ.length == 2).length, equals(1));
-      
-      ObjectVertex bVertex = foos.where(
-          (ObjectVertex obj) => obj.succ.length == 0).first;
-      ObjectVertex aVertex = foos.where(
-          (ObjectVertex obj) => obj.succ.length == 1).first;
-      ObjectVertex rVertex = foos.where(
-          (ObjectVertex obj) => obj.succ.length == 2).first;
-      
-      // TODO(koda): Check actual byte sizes.
-
-      expect(aVertex.retainedSize, equals(aVertex.shallowSize));
-      expect(bVertex.retainedSize, equals(bVertex.shallowSize));
-      expect(rVertex.retainedSize, equals(aVertex.shallowSize +
-                                          bVertex.shallowSize +
-                                          rVertex.shallowSize));
-      
-      const int fixedSizeListCid = 62;
-      List<ObjectVertex> lists = new List.from(graph.vertices.where(
-          (ObjectVertex obj) => obj.classId == fixedSizeListCid));
-      expect(lists.length >= 2, isTrue);
-      // Order by decreasing retained size.
-      lists.sort((u, v) => v.retainedSize - u.retainedSize);
-      ObjectVertex first = lists[0];
-      ObjectVertex second = lists[1];
-      // Check that the short list retains more than the long list inside.
-      expect(first.succ.length, equals(2 + second.succ.length));
-      // ... and specifically, that it retains exactly itself + the long one.
-      expect(first.retainedSize,
-          equals(first.shallowSize + second.shallowSize));
-      completer.complete();
-    }
-  });
-  return isolate.rootLib.load().then((Library lib) {
-    expect(lib.classes.length, equals(1));
-    Class fooClass = lib.classes.first;
-    fooId = fooClass.vmCid;
-    isolate.get('graph');
-    return completer.future;
-  });
-},
-
-];
-
-main(args) => runIsolateTests(args, tests, testeeBefore: script);