public void ContainsIsThreadSafe()
{
var test = new ConcurrentObservableCollection <int>(Concurrent)
{
1, 2, 3
};
var task1 = Task.Run(() =>
{
for (var i = 0; i < 10; i++)
{
test.Contains(2);
Task.Delay(DelayTime).Wait();
test.Contains(4);
}
});
var task2 = Task.Run(() =>
{
for (var i = 0; i < 10; i++)
{
test.Add(4);
Task.Delay(DelayTime).Wait();
test.Add(5);
}
});
Task.WaitAll(task1, task2);
}
public void Read_CheckContainsWhileAdding()
{
var col = new ConcurrentObservableCollection <int>(new[] { 1, 2, 3, 4, 5 });
var task1 = new Task(() =>
{
for (int i = 10; i < 1000; i++)
{
col.Add(i);
Thread.Sleep(1);
}
});
bool contains = false;
var task2 = new Task(() => { contains = col.Contains(1); });
task1.Start();
Thread.Sleep(5);
task2.Start();
Task.WaitAll(task1, task2);
contains.Should().BeTrue();
}
