Asmichi.ProcessManagement.ChildProcessTest_Signals.CanSendSignal C# (CSharp) Method

        public void CanSendSignal()
        {
            var si = new ChildProcessStartInfo(TestUtil.TestChildNativePath, "ReportSignal")
            {
                StdInputRedirection = InputRedirection.InputPipe,
                StdOutputRedirection = OutputRedirection.OutputPipe,
            };

            using var sut = ChildProcess.Start(si);

            Assert.True(sut.CanSignal);

            Assert.Equal('R', sut.StandardOutput.ReadByte());

            sut.SignalInterrupt();
            Assert.Equal('I', sut.StandardOutput.ReadByte());

            sut.SignalInterrupt();
            Assert.Equal('I', sut.StandardOutput.ReadByte());

            if (!HasWorkaroundForWindows1809)
            {
                // NOTE: On Windows, a console app cannot cancel CTRL_CLOSE_EVENT (generated when the attached pseudo console is closed).
                //       It will be killed after the 5s-timeout elapses. Once we call SignalTermination, we must treat the app as already terminated.
                //       https://docs.microsoft.com/en-us/windows/console/handlerroutine#timeouts
                sut.SignalTermination();
                Assert.Equal('T', sut.StandardOutput.ReadByte());
            }

            sut.Kill();
            sut.WaitForExit();

            Assert.NotEqual(0, sut.ExitCode);
        }