public void Test_OpenFile_SaveFile()
{
string storePath = Path.Combine(baseDirectory, "Test");
var storage = new DiskIsolateStorage("Test", storePath);
storage.InitStore();
//删除Test目录下的所以文件和文件夹
string[] strDirs = Directory.GetDirectories(storePath);
string[] strFiles = Directory.GetFiles(storePath);
foreach (var file in strFiles)
File.Delete(file);
foreach (var dir in strDirs)
Directory.Delete(dir, true);
var fileName = "file.txt";
//创建文件
string testString = "This is teststring";
MemoryStream stream = new MemoryStream();
byte[] buffer = UTF8Encoding.Default.GetBytes(testString);
stream.Write(buffer, 0, buffer.Length);
storage.CreateFile(fileName, stream);
//获取文件名、文件路径。。
using (var of = storage.OpenFile(fileName, FileMode.Open))
{
var filePath = of.StorageFile.FilePath;
var storageName = of.StorageFile.StorageName;
//读取文件内容
byte[] bytes = new byte[of.Stream.Length];
UTF8Encoding temp = new UTF8Encoding(true);
of.Stream.Seek(0, SeekOrigin.Begin);
of.Stream.Read(bytes, 0, bytes.Length);
string readStr = temp.GetString(bytes);
Assert.AreEqual(testString, readStr);
}
//写文件并保存
string writeString = "This is another teststring";
byte[] buffer1 = UTF8Encoding.Default.GetBytes(writeString);
using (var memoryStream = new MemoryStream(buffer1))
{
storage.UpdateFile(fileName, memoryStream);
}
//再读取文件内容
using (var of1 = storage.OpenFile("file.txt", FileMode.Open))
{
byte[] b = new byte[of1.Stream.Length];
UTF8Encoding temp1 = new UTF8Encoding(true);
of1.Stream.Seek(0, SeekOrigin.Begin);
of1.Stream.Read(b, 0, b.Length);
string readStr1 = temp1.GetString(b);
Assert.AreEqual(writeString, readStr1);
}
}