public void ToFutureWithCollection()
{
using (var dataContext = new SimpleDataContext())
using (var futureCollection = dataContext.CreateFutureCollection())
{
var people = dataContext.Persons
.Where(a => a.FirstName == "Tom" || a.FirstName == "Cat")
.ToFuture(futureCollection);
Assert.NotNull(people);
Assert.Equal(1, futureCollection.Count);
var pets = dataContext.Pets
.Where(a => a.Name == "Taboo")
.ToFuture(futureCollection);
Assert.NotNull(pets);
Assert.Equal(2, futureCollection.Count);
var peopleValues = people.Value;
Assert.NotNull(peopleValues);
Assert.True(people.IsValueCreated);
Assert.False(pets.IsValueCreated);
Assert.Equal(2, peopleValues.Count);
Assert.Equal(0, futureCollection.Count);
}
}
public void ToFuture()
{
using (var dataContext = new SimpleDataContext())
{
Assert.Throws<InvalidCastException>(() =>
{
dataContext.Persons
.Where(a => a.FirstName == "Tom" || a.FirstName == "Cat")
.ToFuture();
});
}
}
public void NonDataQueryWithCollection()
{
var list = new List<int> { 1, 2, 3 };
var query = list.AsQueryable();
using (var dataContext = new SimpleDataContext())
using (var futureCollection = dataContext.CreateFutureCollection())
{
var lazy = query.ToFuture(futureCollection);
Assert.NotNull(lazy);
Assert.False(lazy.IsValueCreated);
Assert.Equal(0, futureCollection.Count);
var value = lazy.Value;
Assert.NotNull(value);
Assert.True(lazy.IsValueCreated);
Assert.Equal(3, value.Count);
Assert.Equal(0, futureCollection.Count);
}
}
