public async void Initialize_CallInitializeConcurrently_InitNoConfigOnlyCalledOnce()
{
Task[] tasks =
{
Task.Run(() => _myClass.Initialize()),
Task.Run(() => _myClass.Initialize())
};
await Task.WhenAll(tasks);
A.CallTo(() => _myInterface.Init()).MustHaveHappenedOnceExactly();
}
public async void Initialize_CallConcurrently_InitNoConfigOnlyCalledOnce()
{
A.CallTo(() => _myInterface.Init()).Invokes(() => Thread.Sleep(TimeSpan.FromMilliseconds(5)));
Task[] tasks =
{
Task.Run(() => _myClass.Initialize()),
Task.Run(() => _myClass.Initialize())
};
await Task.WhenAll(tasks);
A.CallTo(() => _myInterface.Init()).MustHaveHappenedOnceExactly();
}
public void Initialize()
{
if (_initCalled)
{
return;
}
lock (_lock)
{
if (_initCalled)
{
return;
}
_noConfig.Init();
_initCalled = true;
}
}