public static void Develop()
{
String fileNameString = "in.txt";
{
FileIOPermission f = new FileIOPermission(PermissionState.None);
f.AllFiles = FileIOPermissionAccess.Write;
f.Demand();
}
{
if (File.Exists(fileNameString))
{
File.Delete(fileNameString);
}
}
Stream stream = new FileStream(fileNameString, FileMode.CreateNew, FileAccess.ReadWrite);
if (true)
{
IBeepingWriter writer = new BeepingWriter(stream);
for (int i = 1; i < 10; i++)
{
writer.WriteBeep(new Beep((ushort)(3144 - 3100 / i), 100));
}
}
if (true)
{
IBeepingReader reader = new BeepingReader(stream);
var beeps = reader.ReadBeeps();
}
}
public void WriteBeep_WriteNullBeep_ThrowNullReferenceException()
{
Stream stream = new MemoryStream();
IBeeper beeper = new StubConsoleBeeper();
IBeepStreamWriter streamWriter = new BeepStreamWriter();
IBeepingWriter writer = new BeepingWriter(
stream,
beeper,
streamWriter
);
Assert.ThrowsException <NullReferenceException>(
() => {
writer.WriteBeep(null);
}
);
}
public void WriteBeep_WriteSomeBeep_PositionAreEqualTo4()
{
Stream stream = new MemoryStream();
IBeeper beeper = new StubConsoleBeeper();
IBeepStreamWriter streamWriter = new BeepStreamWriter();
IBeepingWriter writer = new BeepingWriter(
stream,
beeper,
streamWriter
);
writer.WriteBeep(
new Beep(
40,
200
)
);
Assert.AreEqual(
4,
stream.Position
);
}