public void Format_Where_ArgIsInt32_FormatIsNull()
{
var arg = 1000;
string format = null;
var formatProvider = CultureInfo.CurrentCulture;
CustomBookFormat customformat = new CustomBookFormat();
string result = customformat.Format(format, arg, formatProvider);
string expectedResult = "1000";
Assert.AreEqual(expectedResult, result);
}
public void Format_Where_ArgIsBook_FormatIsNull()
{
var arg = new Book("ISBN 978-2-93286-181-3", "CLR via C#", "Alesya", "Eversev", 2005, 20, 200);
string format = null;
var formatProvider = CultureInfo.CurrentCulture;
CustomBookFormat customformat = new CustomBookFormat();
string result = customformat.Format(format, arg, formatProvider);
string expectedResult = "ISBN 978-2-93286-181-3, Alesya - CLR via C#, Eversev, 2005, 20 pages, 200,00р.";
Assert.AreEqual(expectedResult, result);
}