public void CopyToClipBoard()
{
Clipboard.Clear();
_traceDisplay.OnStackTraceChanged("hi, there!");
_traceDisplay.CopyToClipBoard();
Assert.That(Clipboard.ContainsText(), Is.True);
Assert.That(Clipboard.GetText(), Is.EqualTo("hi, there!"));
// calling twice doesn't add twice same content
_traceDisplay.CopyToClipBoard();
_traceDisplay.CopyToClipBoard();
Assert.That(Clipboard.GetText(), Is.EqualTo("hi, there!"));
// test to fail: calling copy to clipboard
// with an empty stack trace is valid
_traceDisplay.OnStackTraceChanged("");
_traceDisplay.CopyToClipBoard();
Assert.That(Clipboard.GetText(), Is.EqualTo(""));
return;
}
