System.Diagnostics.TraceSourceTests.TraceClassTests.FlushTest C# (CSharp) Method

        public void FlushTest()
        {
            var listener = new TestTextTraceListener();
            Trace.Listeners.Clear();
            Trace.AutoFlush = false;
            Trace.Listeners.Add(listener);
            Trace.Write("Test");
            Assert.DoesNotContain("Test", listener.Output);
            Trace.Flush();
            Assert.Contains("Test", listener.Output);
        }