public void ThrowIfFailedTest()
{
NTStatus nts = NTStatus.STATUS_ACCESS_DENIED;
Assert.That(() => nts.ThrowIfFailed(), Throws.Exception);
Assert.That(() => nts.ThrowIfFailed("Bad"), Throws.TypeOf <UnauthorizedAccessException>().With.Message.EqualTo("Bad"));
Assert.That(() => NTStatus.ThrowIfFailed(0), Throws.Nothing);
}
private unsafe static string GetFileInformationString(SafeFileHandle fileHandle, FileInformationClass fileInformationClass)
{
return(BufferHelper.BufferInvoke((HeapBuffer buffer) =>
{
NTStatus status = NTStatus.STATUS_BUFFER_OVERFLOW;
// Start with MAX_PATH
uint byteLength = 260 * sizeof(char);
FILE_NAME_INFORMATION *value = null;
while (status == NTStatus.STATUS_BUFFER_OVERFLOW)
{
// Add space for the FileNameLength
buffer.EnsureByteCapacity(byteLength + sizeof(uint));
status = Imports.NtQueryInformationFile(
FileHandle: fileHandle,
IoStatusBlock: out _,
FileInformation: buffer.VoidPointer,
Length: checked ((uint)buffer.ByteCapacity),
FileInformationClass: fileInformationClass);
if (status == NTStatus.STATUS_SUCCESS || status == NTStatus.STATUS_BUFFER_OVERFLOW)
{
value = (FILE_NAME_INFORMATION *)buffer.VoidPointer;
byteLength = value->FileNameLength;
}
}
status.ThrowIfFailed();
return value->FileName.CreateString();
}));
}
