System.Diagnostics.TraceSourceTests.TraceClassTests.Assert2Test C# (CSharp) Method

        public void Assert2Test()
        {
            var listener = new TestTraceListener();
            var text = new TestTextTraceListener();
            Trace.Listeners.Add(listener);
            Trace.Listeners.Add(text);
            Trace.Assert(true, "Message");
            Assert.Equal(0, listener.GetCallCount(Method.WriteLine));
            Assert.Equal(0, listener.GetCallCount(Method.Fail));
            text.Flush();
            Assert.DoesNotContain("Message", text.Output);
            Trace.Assert(false, "Message");
            Assert.Equal(0, listener.GetCallCount(Method.WriteLine));
            Assert.Equal(1, listener.GetCallCount(Method.Fail));
            text.Flush();
            Assert.Contains("Message", text.Output);
        }