public void TestNullTextWriter()
{
var sw = new NullTextWriter();
Assert.IsNotNull(sw.FormatProvider);
Assert.IsNotNull(sw.NewLine);
Assert.IsNotNull(sw.Encoding);
Assert.IsNull(sw.ToString());
sw.Write("ABC");
Assert.IsNull(sw.ToString());
sw.Write('a');
Assert.IsNull(sw.ToString());
sw.Write(new char[3] {
'1', '1', '2'
}, 0, 3);
Assert.IsNull(sw.ToString());
sw.Write(new char[3] {
'1', '1', '2'
});
Assert.IsNull(sw.ToString());
}
private NullConsole()
{
Error = Out = new NullTextWriter();
}
static TextWriter()
{
Null = new NullTextWriter();
}
