public void Test_FileExists() { var storage = new DiskIsolateStorage("Test", baseDirectory); storage.InitStore(); string storePath = Path.Combine(baseDirectory, "Test"); //创建文件 string testString = "This is teststring"; MemoryStream stream = new MemoryStream(); byte[] buffer = Encoding.Default.GetBytes(testString); stream.Write(buffer, 0, 18); var filePath = Guid.NewGuid().ToString() + ".txt"; storage.CreateFile(filePath, stream); bool result = storage.FileExists(filePath); //删除文件 storage.DeleteFile(filePath); bool result1 = storage.FileExists(filePath); Assert.IsTrue(result); Assert.IsFalse(result1); }