public async Task SingletonConcurrenctCloseOpenTests()
{
var createTcs = new TaskCompletionSource <object>();
var closeTcs = new TaskCompletionSource <object>();
var singleton = new SingletonTester(createTcs.Task, closeTcs.Task);
var creating = singleton.GetOrCreateAsync(TimeSpan.FromDays(1000));
var closing = singleton.CloseAsync();
closeTcs.SetResult(new object());
await closing;
createTcs.SetResult(new object());
await creating;
try
{
await singleton.GetOrCreateAsync(TimeSpan.FromDays(1000));
Assert.Fail("Singleton should throw an ObjectDisposedException");
}
catch (ObjectDisposedException) { }
var createdObj = GetInternalProperty <object>(singleton, "Value");
createdObj.Should().BeNull("A closed Singleton shouldn't have a value!");
}
public async Task SingletonConcurrentCloseOpenTests()
{
var createTcs = new TaskCompletionSource <object>();
var closeTcs = new TaskCompletionSource <object>();
var singleton = new SingletonTester(createTcs.Task, closeTcs.Task);
var creating = singleton.GetOrCreateAsync(TimeSpan.FromSeconds(1));
var closing = singleton.CloseAsync();
closeTcs.SetResult(new object());
await closing;
createTcs.SetResult(new object());
await creating;
await Assert.ThrowsAsync <ObjectDisposedException>(() => singleton.GetOrCreateAsync(TimeSpan.FromSeconds(1)));
var createdObj = GetInternalProperty <object>(singleton, "Value");
Assert.Null(createdObj);
}