public void FromStorageFolder_SurfaceIOException()
{
StorageFolder folder = ApplicationData.Current.TemporaryFolder;
string filename = "FromStorageFolder_SurfaceIOException_" + Path.GetRandomFileName();
using (SafeFileHandle handle = folder.CreateSafeFileHandle(filename, FileMode.CreateNew))
{
Assert.NotNull(handle);
Assert.False(handle.IsInvalid);
}
Assert.Contains(
filename,
Assert.Throws <IOException>(() => folder.CreateSafeFileHandle(filename, FileMode.CreateNew)).Message);
File.Delete(Path.Combine(folder.Path, filename));
}
public void FromStorageFolder_SurfaceNotFoundException()
{
StorageFolder folder = ApplicationData.Current.TemporaryFolder;
string filename = "FromStorageFolder_SurfaceNotFoundException_" + Path.GetRandomFileName();
Assert.Contains(
filename,
Assert.Throws <FileNotFoundException>(() => folder.CreateSafeFileHandle(filename, FileMode.Open)).Message);
}
public void FromStorageFolder_Basic()
{
StorageFolder folder = ApplicationData.Current.TemporaryFolder;
string filename = "FromStorageFolder_Basic_" + Path.GetRandomFileName();
using (SafeFileHandle handle = folder.CreateSafeFileHandle(filename, FileMode.CreateNew))
{
Assert.NotNull(handle);
Assert.False(handle.IsInvalid);
}
File.Delete(Path.Combine(folder.Path, filename));
}
public void FromStorageFolder_FileStream()
{
StorageFolder folder = ApplicationData.Current.TemporaryFolder;
string filename = "FromStorageFolder_FileStream_" + Path.GetRandomFileName();
SafeFileHandle handle = folder.CreateSafeFileHandle(filename, FileMode.CreateNew, FileAccess.ReadWrite);
Assert.NotNull(handle);
Assert.False(handle.IsInvalid);
using (FileStream fs = new FileStream(handle, FileAccess.ReadWrite))
{
byte[] data = { 0xDE, 0xAD, 0xBE, 0xEF };
fs.Write(data, 0, data.Length);
fs.Flush();
fs.Position = 0;
byte[] input = new byte[4];
Assert.Equal(4, fs.Read(input, 0, 4));
Assert.Equal(data, input);
}
File.Delete(Path.Combine(folder.Path, filename));
}