unit-tests: Added bliss_fft_speed test

diff --git a/src/libstrongswan/plugins/bliss/tests/suites/test_bliss_fft.c b/src/libstrongswan/plugins/bliss/tests/suites/test_bliss_fft.c
index 009aaf8..6ad1e5d 100644 (file)
--- a/src/libstrongswan/plugins/bliss/tests/suites/test_bliss_fft.c
+++ b/src/libstrongswan/plugins/bliss/tests/suites/test_bliss_fft.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014 Andreas Steffen
+ * Copyright (C) 2014-2016 Andreas Steffen
  * HSR Hochschule fuer Technik Rapperswil
  *
  * This program is free software; you can redistribute it and/or modify it
@@ -17,6 +17,8 @@
 
 #include <bliss_fft.h>
 
+#include <time.h>
+
 static bliss_fft_params_t *fft_params[] = {
        &bliss_fft_17_8,
        &bliss_fft_12289_512
@@ -91,6 +93,40 @@ START_TEST(test_bliss_fft_wrap)
 }
 END_TEST
 
+START_TEST(test_bliss_fft_speed)
+{
+       bliss_fft_t *fft;
+       struct timespec start, stop;
+       uint16_t n = bliss_fft_12289_512.n;
+       uint32_t x[n], X[n];
+       int i, m, count = 100000;
+
+       for (i = 0; i < n; i++)
+       {
+               x[i] = i;
+       }
+       fft = bliss_fft_create(&bliss_fft_12289_512);
+
+       clock_gettime(CLOCK_THREAD_CPUTIME_ID, &start);
+       for (m = 0; m < count; m++)
+       {
+               fft->transform(fft, x, X, FALSE);
+               fft->transform(fft, X, x, TRUE);
+       }
+       clock_gettime(CLOCK_THREAD_CPUTIME_ID, &stop);
+
+       DBG0(DBG_LIB, "%d FFT loops in %d ms\n", count,
+                                 (stop.tv_nsec - start.tv_nsec) / 1000000 +
+                                 (stop.tv_sec - start.tv_sec) * 1000);
+
+       for (i = 0; i < n; i++)
+       {
+               ck_assert(x[i] == i);
+       }
+       fft->destroy(fft);
+}
+END_TEST
+
 Suite *bliss_fft_suite_create()
 {
        Suite *s;
@@ -106,5 +142,10 @@ Suite *bliss_fft_suite_create()
        tcase_add_loop_test(tc, test_bliss_fft_wrap, 0, countof(fft_params));
        suite_add_tcase(s, tc);
 
+       tc = tcase_create("speed");
+       tcase_set_timeout(tc, 10);
+       tcase_add_test(tc, test_bliss_fft_speed);
+       suite_add_tcase(s, tc);
+
        return s;
 }