YesSql.Tests.CoreTests.LoadingDocumentShouldNotDuplicateIndex C# (CSharp) Method

        public async Task LoadingDocumentShouldNotDuplicateIndex()
        {
            _store.RegisterIndexes<PersonIndexProvider>();

            using (var session = _store.CreateSession())
            {
                var bill = new Person
                {
                    Firstname = "Bill",
                    Lastname = "Gates",
                };

                session.Save(bill);
            }

            using (var session = _store.CreateSession())
            {
                Assert.Equal(1, await session.QueryIndexAsync<PersonByName>().Count());
                Assert.Equal(1, await session.QueryIndexAsync<PersonByName>(x => x.Name == "Bill").Count());

                var person = await session
                    .QueryAsync<Person, PersonByName>()
                    .Where(x => x.Name == "Bill")
                    .FirstOrDefault();

                Assert.NotNull(person);
                Assert.Equal("Bill", person.Firstname);
            }

            using (var session = _store.CreateSession())
            {
                Assert.Equal(1, await session.QueryIndexAsync<PersonByName>().Count());
                Assert.Equal(1, await session.QueryIndexAsync<PersonByName>(x => x.Name == "Bill").Count());

                var person = await session
                    .QueryAsync<Person, PersonByName>()
                    .Where(x => x.Name == "Bill")
                    .FirstOrDefault();

                Assert.NotNull(person);
                Assert.Equal("Bill", person.Firstname);
            }
        }