System.Diagnostics.TraceSourceTests.TestTraceListener.GetCallCount C# (CSharp) Method

        public int GetCallCount(Method group)
        {
            return _calls[(int)group];
        }

        public void WriteIf1Test()
        {
            var listener = new TestTraceListener();

            Trace.Listeners.Add(listener);
            Trace.WriteIf(false, (Object)"Message");
            Assert.Equal(0, listener.GetCallCount(Method.Write));
            Trace.WriteIf(true, (Object)"Message");
            Assert.Equal(1, listener.GetCallCount(Method.Write));
        }