summaryrefslogtreecommitdiff
path: root/gr-atsc/src/lib/qa_atsci_randomizer.cc
diff options
context:
space:
mode:
Diffstat (limited to 'gr-atsc/src/lib/qa_atsci_randomizer.cc')
-rw-r--r--gr-atsc/src/lib/qa_atsci_randomizer.cc145
1 files changed, 0 insertions, 145 deletions
diff --git a/gr-atsc/src/lib/qa_atsci_randomizer.cc b/gr-atsc/src/lib/qa_atsci_randomizer.cc
deleted file mode 100644
index c12582dfd..000000000
--- a/gr-atsc/src/lib/qa_atsci_randomizer.cc
+++ /dev/null
@@ -1,145 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2002 Free Software Foundation, Inc.
- *
- * This file is part of GNU Radio
- *
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
- *
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#include <qa_atsci_randomizer.h>
-
-#include <cppunit/TestAssert.h>
-#include <string.h>
-
-static unsigned int expected_initial_states[] = {
- 0x018f,
- 0xd3db,
- 0xbaf1,
- 0x8e64,
- 0x4732,
- 0x2399,
- 0xc2d0,
- 0x6168
-};
-
-static unsigned char expected_initial_values[] = {
- 0xc0,
- 0x6d,
- 0x3f,
- 0x99,
- 0x38,
- 0x6a,
- 0x29,
- 0x52
-};
-
-#define NELEMENTS(ary) ((sizeof (ary)) / sizeof (ary[0]))
-
-void
-qa_atsci_randomizer::t0_compare_output_maps ()
-{
- for (int i = 0; i < 0x10000; i++){
- unsigned char slow = atsci_randomizer::slow_output_map(i);
- unsigned char fast = atsci_randomizer::fast_output_map(i);
- CPPUNIT_ASSERT_EQUAL (slow, fast);
- }
-}
-
-void
-qa_atsci_randomizer::t1_initial_states ()
-{
- // LFSR should start with expected states
-
- for (unsigned int i = 0; i < NELEMENTS (expected_initial_values); i++){
- unsigned int got = randomizer.state();
- randomizer.clk ();
- CPPUNIT_ASSERT_EQUAL (expected_initial_states[i], got);
- }
-}
-
-void
-qa_atsci_randomizer::t2_initial_values ()
-{
- // LFSR should start with expected values
-
- for (unsigned int i = 0; i < NELEMENTS (expected_initial_values); i++){
- unsigned char got = randomizer.output_and_clk ();
- CPPUNIT_ASSERT_EQUAL (expected_initial_values[i], got);
- }
-}
-
-void
-qa_atsci_randomizer::t3_reset ()
-{
- // LFSR should start with expected values
-
- for (unsigned int i = 0; i < NELEMENTS (expected_initial_values); i++){
- unsigned char got = randomizer.output_and_clk ();
- CPPUNIT_ASSERT_EQUAL (expected_initial_values[i], got);
- }
-
- randomizer.reset (); // reset LFSR
-
- // and now should repeat expected values
-
- for (unsigned int i = 0; i < NELEMENTS (expected_initial_values); i++){
- unsigned char got = randomizer.output_and_clk ();
- CPPUNIT_ASSERT_EQUAL (expected_initial_values[i], got);
- }
-}
-
-void
-qa_atsci_randomizer::t4_high_level ()
-{
- static const int N = 5;
-
- atsc_mpeg_packet in[N];
- atsc_mpeg_packet_no_sync middle[N];
- atsc_mpeg_packet out[N];
-
- memset (in, 0, sizeof (in));
- memset (middle, 0, sizeof (middle));
- memset (out, 0, sizeof (out));
-
- // setup input test data
-
- int counter = 0xff;
- for (int n = 0; n < N; n++){
- in[n].data[0] = MPEG_SYNC_BYTE;
- for (int i = 0; i < ATSC_MPEG_DATA_LENGTH; i++)
- in[n].data[i + 1] = counter++;
- }
-
- // randomize N packets
-
- for (int n = 0; n < N; n++)
- randomizer.randomize (middle[n], in[n]);
-
- // reset LFSR and derandomize N packets
-
- randomizer.reset (); // reset LFSR
-
- for (int n = 0; n < N; n++)
- randomizer.derandomize (out[n], middle[n]);
-
- // compare packets
-
- for (int n = 0; n < N; n++){
- CPPUNIT_ASSERT (in[n] == out[n]);
- }
-}
-