runtime/bin/vmservice/observatory/test/inbound_references_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.

library inbound_references_test;

import 'dart:async' show Future;
import 'package:observatory/service_io.dart';
import 'package:unittest/unittest.dart';
import 'test_helper.dart';

class Node {
  var edge;
}

class Edge { }

var n, e, array;

void script() {
  n = new Node();
  e = new Edge();
  n.edge = e;
  array = new List(2);
  array[0] = n;
  array[1] = e;
}

var tests = [

(Isolate isolate) =>
  isolate.rootLib.load().then((Library lib) {
    ServiceMap e = lib.variables.where((v) => v.name == 'e').single['value'];
    var id = e['id'];
    return isolate.get('/$id/inbound_references?limit=100').then(
        (ServiceMap response) {
          List references = response['references'];
          hasReferenceSuchThat(predicate) {
            expect(references.any(predicate), isTrue);
          }

          // Assert e is referenced by at least n, array, and the top-level
          // field e.
          hasReferenceSuchThat((r) => r['slot'] is Map &&
                                      r['slot']['type']=='@Field' &&
                                      r['slot']['name']=='edge' &&
                                      r['source']['type']=='@Instance' &&
                                      r['source']['class'].name=='Node');
          hasReferenceSuchThat((r) => r['slot']==1 &&
                                      r['source']['type']=='@Array');
          hasReferenceSuchThat((r) => r['slot']=='<unknown>' &&
                                      r['source']['type']=='@Field');
    });
}),

];

main(args) => runIsolateTests(args, tests, testeeBefore: script);