Add 8x8 fDCT unit test.

Also factorize ACMRandom to acm_random.h.

Change-Id: I3b6eeb36fcbf7ae6dd3d2892bc40348f5c17982b

1 files changed, 3 insertions, 15 deletions

diff --git a/test/fdct4x4_test.cc b/test/fdct4x4_test.cc
index c4ecbdf43..d88ed8df6 100644
--- a/test/fdct4x4_test.cc
+++ b/test/fdct4x4_test.cc
@@ -19,24 +19,12 @@ extern "C" {
 #include "vp8/encoder/dct.h"
 }
 
+#include "acm_random.h"
 #include "vpx/vpx_integer.h"
 
-namespace {
-
-class ACMRandom {
- public:
-  explicit ACMRandom(int seed) { Reset(seed); }
-
-  void Reset(int seed) { srand(seed); }
-
-  uint8_t Rand8(void) { return (rand() >> 8) & 0xff; }
+using libvpx_test::ACMRandom;
 
-  int PseudoUniform(int range) { return (rand() >> 8) % range; }
-
-  int operator()(int n) { return PseudoUniform(n); }
-
-  static int DeterministicSeed(void) { return 0xbaba; }
-};
+namespace {
 
 TEST(Vp8FdctTest, SignBiasCheck) {
   ACMRandom rnd(ACMRandom::DeterministicSeed());