public void Can_Write_To_File()
{
MemoryStream stream = new MemoryStream();
OutputStringWriter.CsvOutput = false;
using (StreamWriter writer = new StreamWriter(stream))
{
OutputStringWriter.Output = writer;
OutputStringWriter.FormatAndWrite("{0},{1}", 1, 2);
}
string output = Encoding.UTF8.GetString(stream.ToArray());
Assert.AreEqual("1,2" + Environment.NewLine, output);
stream = new MemoryStream();
using (StreamWriter writer = new StreamWriter(stream))
{
OutputStringWriter.Output = writer;
OutputStringWriter.FormatAndWrite("{0},{1}", 3, 4);
}
string output2 = Encoding.UTF8.GetString(stream.ToArray());
Assert.AreEqual("3,4" + Environment.NewLine, output2);
}
public void Use_StringFormat_As_Default()
{
const string fmt = "{0:N0} {1:N0}";
const int Million = 1000 * 1000;
string millionFormatted = String.Format(fmt, Million, Million);
OutputStringWriter.CsvOutput = false;
Assert.AreEqual(millionFormatted, OutputStringWriter.Format(fmt, Million, Million));
}
public void Separate_Columns_By_Tabs_When_CSV_Output_Enabled()
{
const string fmt = "{0:N0} {1:N0}";
const int Million = 1000 * 1000;
string millionFormatted = String.Format(fmt, Million, Million);
OutputStringWriter.CsvOutput = true;
Assert.AreEqual("1000000\t1000000", OutputStringWriter.Format(fmt, Million, Million));
}
public void Throw_On_Null_Fmt()
{
Assert.ThrowsException <ArgumentNullException>(() => OutputStringWriter.Format(null, " "));
}
