public void WriteInt_ValidInt_WritesToDocument() { IniDocument document = new FakeIniDocument(); document.WriteInt("Section", "int", -2147483648); document.Save(Arg.Any <string>()); var expected = "[Section]\r\nint=-2147483648\r\n\r\n"; var actual = ((FakeIniDocument)document).SavedIni; Assert.AreEqual(expected, actual); }