public void timer_cannot_inherit_mappedcontext()
{
object getObject = null;
string getValue = null;
var mre = new ManualResetEvent(false);
Timer thread = new Timer((s) =>
{
try
{
getObject = MDC.GetObject("DoNotExist");
getValue = MDC.Get("DoNotExistEither");
}
finally
{
mre.Set();
}
});
thread.Change(0, Timeout.Infinite);
mre.WaitOne();
Assert.Null(getObject);
Assert.Empty(getValue);
}
public void MDCTest2()
{
List <Exception> exceptions = new List <Exception>();
ManualResetEvent mre = new ManualResetEvent(false);
int counter = 100;
int remaining = counter;
for (int i = 0; i < counter; ++i)
{
ThreadPool.QueueUserWorkItem(
s =>
{
try
{
MDC.Clear();
Assert.False(MDC.Contains("foo"));
Assert.Equal(string.Empty, MDC.Get("foo"));
Assert.False(MDC.Contains("foo2"));
Assert.Equal(string.Empty, MDC.Get("foo2"));
MDC.Set("foo", "bar");
MDC.Set("foo2", "bar2");
Assert.True(MDC.Contains("foo"));
Assert.Equal("bar", MDC.Get("foo"));
MDC.Remove("foo");
Assert.False(MDC.Contains("foo"));
Assert.Equal(string.Empty, MDC.Get("foo"));
Assert.True(MDC.Contains("foo2"));
Assert.Equal("bar2", MDC.Get("foo2"));
Assert.Null(MDC.GetObject("foo3"));
}
catch (Exception ex)
{
lock (exceptions)
{
exceptions.Add(ex);
}
}
finally
{
if (Interlocked.Decrement(ref remaining) == 0)
{
mre.Set();
}
}
});
}
mre.WaitOne();
StringBuilder exceptionsMessage = new StringBuilder();
foreach (var ex in exceptions)
{
if (exceptionsMessage.Length > 0)
{
exceptionsMessage.Append("\r\n");
}
exceptionsMessage.Append(ex.ToString());
}
Assert.True(exceptions.Count == 0, exceptionsMessage.ToString());
}