public async Task MaxAsync_WithSelector()
{
EntityMapping.RegisterType(typeof(QueryableAsyncModel));
var connection = TestConfiguration.GetConnection();
var context = new MongoDbContext(connection);
var provider = new MongoFrameworkQueryProvider <QueryableAsyncModel>(connection);
var queryable = new MongoFrameworkQueryable <QueryableAsyncModel>(provider);
context.ChangeTracker.SetEntityState(new QueryableAsyncModel {
Title = "MaxAsync_WithSelector.1", IntNumber = 10
}, EntityEntryState.Added);
context.ChangeTracker.SetEntityState(new QueryableAsyncModel {
Title = "MaxAsync_WithSelector.2", IntNumber = 20
}, EntityEntryState.Added);
context.SaveChanges();
var result = await queryable.MaxAsync(e => e.IntNumber);
Assert.AreEqual(20, result);
}