public void GetFileNameByHandle()
{
// Can't open the Users folder in a Store app
StoreHelper.ValidateStoreGetsUnauthorizedAccess(() =>
{
// @"C:\" -> @"\"
var fileHandle = FileMethods.CreateFileSystemIo(
@"C:\Users",
0, // We don't care about read or write, we're just getting metadata with this handle
System.IO.FileShare.ReadWrite,
System.IO.FileMode.Open,
0,
FileFlags.OpenReparsePoint // To avoid traversing links
| FileFlags.BackupSemantics); // To open directories
string name = FileMethods.GetFileNameLegacy(fileHandle);
name.Should().Be(@"\Users");
});
}
public void GetPipeObjectInfo()
{
var fileHandle = FileMethods.CreateFileSystemIo(
@"\\.\pipe\",
0, // We don't care about read or write, we're just getting metadata with this handle
System.IO.FileShare.ReadWrite,
System.IO.FileMode.Open,
0,
FileFlags.OpenReparsePoint // To avoid traversing links
| FileFlags.BackupSemantics); // To open directories
string name = HandleMethods.GetObjectName(fileHandle);
name.Should().Be(@"\Device\NamedPipe\");
string typeName = HandleMethods.GetObjectType(fileHandle);
typeName.Should().Be(@"File");
string fileName = FileMethods.GetFileName(fileHandle);
fileName.Should().Be(@"\");
}
public void GetPipeObjectInfoNoTrailingSlash()
{
var fileHandle = FileMethods.CreateFileSystemIo(
@"\\.\pipe",
0, // We don't care about read or write, we're just getting metadata with this handle
System.IO.FileShare.ReadWrite,
System.IO.FileMode.Open,
0,
FileFlags.OpenReparsePoint // To avoid traversing links
| FileFlags.BackupSemantics); // To open directories
string name = HandleMethods.GetObjectName(fileHandle);
name.Should().Be(@"\Device\NamedPipe");
string typeName = HandleMethods.GetObjectType(fileHandle);
typeName.Should().Be(@"File");
// Not sure why this is- probably the source of why so many other things go wrong
Action action = () => FileMethods.GetFileName(fileHandle);
action.ShouldThrow <ArgumentException>().And.HResult.Should().Be(unchecked ((int)0x80070057));
}
