public void Constructor_throws_ArgumentNull_for_null_subject()
{
IProcessExit subject = null;
ArgumentNullException ane = Assert.Throws <ArgumentNullException>(() => new ProcessExitWatcher(subject));
Assert.Equal("subject", ane.ParamName);
}
public ProcessExitWatcher(IProcessExit subject)
{
if (subject == null)
{
throw new ArgumentNullException("subject");
}
this.exited = new TaskCompletionSource <bool>();
this.subject = subject;
this.savedEnableRaisingEvents = this.subject.EnableRaisingEvents;
this.subject.EnableRaisingEvents = true;
this.subject.Exited += this.OnProcessExited;
if (this.subject.HasExited)
{
this.exited.TrySetResult(false);
}
}
public ProcessExitWatcher(IProcessExit subject)
{
if (subject == null)
{
throw new ArgumentNullException("subject");
}
this.exited = new TaskCompletionSource<bool>();
this.subject = subject;
this.savedEnableRaisingEvents = this.subject.EnableRaisingEvents;
this.subject.EnableRaisingEvents = true;
this.subject.Exited += this.OnProcessExited;
if (this.subject.HasExited)
{
this.exited.TrySetResult(false);
}
}
