public void Test1() { var file = new FileEmu(); Assert.IsFalse(file.Exists("aaa.txt")); file.AddFile("aaa.txt", "あいうえお", Encoding.GetEncoding("shift-jis")); Assert.IsTrue(file.Exists("aaa.txt")); Assert.AreEqual("あいうえお", file.ReadAllText("aaa.txt", Encoding.GetEncoding("shift-jis"))); file.WriteAllText("aaa.txt", "かきくけこ", Encoding.GetEncoding("shift-jis")); Assert.AreEqual("かきくけこ", file.ReadAllText("aaa.txt", Encoding.GetEncoding("shift-jis"))); }