private void QueryReturnsKnownTransferSyntax()
{
var uid = DicomUID.ImplicitVRLittleEndian;
var ts = DicomTransferSyntax.Query(uid);
Assert.NotNull(ts);
Assert.Equal(uid, ts.UID);
}
private void QueryReturnsNullIfNotRegistered()
{
var uid = new DicomUID("0", "testing", DicomUidType.TransferSyntax);
var ts = DicomTransferSyntax.Query(uid);
Assert.Null(ts);
}
private void UnregisterUnregistersTransferSyntax()
{
var uid = new DicomUID("0", "testing", DicomUidType.TransferSyntax);
DicomTransferSyntax.Register(uid);
Assert.NotNull(DicomTransferSyntax.Query(uid));
DicomTransferSyntax.Unregister(uid);
Assert.Null(DicomTransferSyntax.Query(uid));
}
private void QueryReturnsRegisteredTransferSyntax()
{
var uid = new DicomUID("0", "testing", DicomUidType.TransferSyntax);
DicomTransferSyntax.Register(uid);
var ts = DicomTransferSyntax.Query(uid);
Assert.NotNull(ts);
Assert.Equal(uid, ts.UID);
DicomTransferSyntax.Unregister(uid);
}
private void UnregisterHandleMultipleUnregistrations()
{
var uid = new DicomUID("0", "testing", DicomUidType.TransferSyntax);
DicomTransferSyntax.Register(uid);
Assert.NotNull(DicomTransferSyntax.Query(uid));
Assert.True(DicomTransferSyntax.Unregister(uid));
Assert.Null(DicomTransferSyntax.Query(uid));
Assert.False(DicomTransferSyntax.Unregister(uid));
Assert.Null(DicomTransferSyntax.Query(uid));
}
private void LookupReturnsAdHocTransferSyntax()
{
var uid = new DicomUID("0", "testing", DicomUidType.TransferSyntax);
var ts = DicomTransferSyntax.Lookup(uid);
Assert.NotNull(ts);
Assert.Equal(uid, ts.UID);
// Lookup must not auto-register, as it is invoked from DicomServer.
// auto-registration may cause DoS by sending crafted transfer syntaxes repeatedly,
// which causes internal static dictionary to hold all the transfer syntaxes.
Assert.Null(DicomTransferSyntax.Query(uid));
}
private void RegisterRegistersTransferSyntax()
{
var uid = new DicomUID("0", "testing", DicomUidType.TransferSyntax);
Assert.Null(DicomTransferSyntax.Query(uid));
var ts1 = DicomTransferSyntax.Register(uid);
Assert.NotNull(ts1);
var ts2 = DicomTransferSyntax.Query(uid);
Assert.Equal(uid, ts2.UID);
DicomTransferSyntax.Unregister(uid);
}