runtime/observatory/test/type_arguments_test.dart

// 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/service_io.dart';
import 'package:unittest/unittest.dart';
import 'test_helper.dart';

var tests = [
(Isolate isolate) =>
  isolate.getTypeArgumentsList(false).then((ServiceMap allTypeArgs) {
    var allTypeArgsTableSize = allTypeArgs['canonicalTypeArgumentsTableSize'];
    var allTypeArgsTableUsed = allTypeArgs['canonicalTypeArgumentsTableUsed'];
    var allTypeArgsList = allTypeArgs['typeArguments'];
    expect(allTypeArgsList, isNotNull);
    // Check size >= used.
    expect(allTypeArgsTableSize, greaterThanOrEqualTo(allTypeArgsTableUsed));
    return isolate.getTypeArgumentsList(true).then((ServiceMap instantiatedTypeARgs) {
      var instantiatedTypeArgsTableSize =
          instantiatedTypeARgs['canonicalTypeArgumentsTableSize'];
      var instantiatedTypeArgsTableUsed =
          instantiatedTypeARgs['canonicalTypeArgumentsTableUsed'];
      // Check size >= used.
      expect(instantiatedTypeArgsTableSize,
             greaterThanOrEqualTo(instantiatedTypeArgsTableUsed));
      // Check that |instantiated| <= |all|
      var instantiatedTypeArgsList = instantiatedTypeARgs['typeArguments'];
      expect(instantiatedTypeArgsList, isNotNull);
      expect(allTypeArgsList.length,
             greaterThanOrEqualTo(instantiatedTypeArgsList.length));
      // Check that we can 'get' this object again.
      var firstType = allTypeArgsList[0];
      return isolate.getObject(firstType['id']).then((ServiceMap map) {
        expect(firstType['name'], map['name']);
      });
    });
  }),
];

main(args) => runIsolateTests(args, tests);