public void WritewordTest() { int text = 0; port pt = new port(); StreamWriter sw = null; sw = new StreamWriter(@"D:\VS_practice\wordCount\wordCount\bin\Debug\output.txt"); string getchara = pt.Prep(@"D:\VS_practice\wordCount\wordCount\bin\Debug\input.txt"); text = pt.Writeword(sw, 3); Assert.AreEqual(1, text); }