public async Task NonBlockingGetValueWorkWithAsyncFactory()
{
var lazy = new AsyncLazy.Lazy <int>(async() => { await Task.Delay(10); return(42); });
var value = await lazy.GetValueAsync();
value.Should().Be(42);
}
public async Task NonBlockingGetValueWorkWithNormalFactory()
{
var lazy = new AsyncLazy.Lazy <int>(() => 42);
var value = await lazy.GetValueAsync();
value.Should().Be(42);
}
public async Task FactoryOnlyCalledOnceInMultiTaskContext()
{
int counter = 0;
var lazy = new AsyncLazy.Lazy <int>(() => ++ counter);
List <Task> tasks = new List <Task>();
for (int i = 0; i < 10; i++)
{
tasks.Add(Task.Run(async() =>
{
await Task.Delay(10);
return((await lazy.GetValueAsync()).Should().Be(1));
}));
}
await Task.WhenAll(tasks);
}