public async Task TestThread()
{
var sw = Stopwatch.StartNew();
await Simultaneously.Run(2, () => Sleep("test"));
sw.ElapsedMilliseconds.ShouldBeInRange(100, 150);
}
public async Task TestManyThreads()
{
var boolean = new AtomicBool();
var threads = await Simultaneously.Run(100, boolean.WasFalse);
threads.Where(x => x).ShouldHaveSingleItem();
}
public async Task TestInitializesOnlyOnce()
{
var spy = Spy.On(() => Delay("updated value"));
var updatable = new BackgroundUpdatable <string>(
TimeSpan.FromMinutes(10),
spy.Func);
var results = await Simultaneously.Run(5, updatable.Value);
results.ShouldAllBe(x => x == "updated value");
spy.Called.ShouldBe(1);
}
public async Task TestWithSlowFactory()
{
var counter = 0;
var lazy = new AtomicLazy <string>(() =>
{
Interlocked.Increment(ref counter);
return(Delay("result"));
});
await Simultaneously.Run(100, () => lazy.Value);
lazy.Value.ShouldBe("result");
counter.ShouldBe(1);
}
public async Task TestUpdatesOnlyOnce()
{
var spy = Spy.On(() => Delay("updated value"));
var updatable = new BackgroundUpdatable <string>(
"initial value",
TimeSpan.FromMilliseconds(100),
spy.Func);
updatable.Value();
await Task.Delay(120);
await Simultaneously.Run(50, updatable.Value);
spy.Called.ShouldBe(1);
}
