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authorMax Kellermann <max@duempel.org>2013-10-19 15:05:48 +0200
committerMax Kellermann <max@duempel.org>2013-10-19 15:05:48 +0200
commit7cb803ad5c2ba3678198ff954e4a8c8f565a4668 (patch)
tree6a7357bd8a24fc5fc217ce5e9bc3e02320fa2de6 /test
parent8e063829c426e447021050eb214a77182269602e (diff)
downloadmpd-7cb803ad5c2ba3678198ff954e4a8c8f565a4668.tar.gz
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test/test_pcm: use C++11 random instead of GLib
Diffstat (limited to 'test')
-rw-r--r--test/test_pcm_dither.cxx2
-rw-r--r--test/test_pcm_mix.cxx4
-rw-r--r--test/test_pcm_pack.cxx4
-rw-r--r--test/test_pcm_util.hxx34
-rw-r--r--test/test_pcm_volume.cxx4
5 files changed, 28 insertions, 20 deletions
diff --git a/test/test_pcm_dither.cxx b/test/test_pcm_dither.cxx
index 5df64c2d1..710deffcc 100644
--- a/test/test_pcm_dither.cxx
+++ b/test/test_pcm_dither.cxx
@@ -25,7 +25,7 @@ void
PcmDitherTest::TestDither24()
{
constexpr unsigned N = 256;
- const auto src = TestDataBuffer<int32_t, N>(GlibRandomInt24());
+ const auto src = TestDataBuffer<int32_t, N>(RandomInt24());
int16_t dest[N];
PcmDither dither;
diff --git a/test/test_pcm_mix.cxx b/test/test_pcm_mix.cxx
index 9c78399dc..2a8a11388 100644
--- a/test/test_pcm_mix.cxx
+++ b/test/test_pcm_mix.cxx
@@ -22,7 +22,7 @@
#include "test_pcm_util.hxx"
#include "pcm/PcmMix.hxx"
-template<typename T, SampleFormat format, typename G=GlibRandomInt<T>>
+template<typename T, SampleFormat format, typename G=RandomInt<T>>
static void
TestPcmMix(G g=G())
{
@@ -72,7 +72,7 @@ PcmMixTest::TestMix16()
void
PcmMixTest::TestMix24()
{
- TestPcmMix<int32_t, SampleFormat::S24_P32>(GlibRandomInt24());
+ TestPcmMix<int32_t, SampleFormat::S24_P32>(RandomInt24());
}
void
diff --git a/test/test_pcm_pack.cxx b/test/test_pcm_pack.cxx
index 0033ceb07..cab78c499 100644
--- a/test/test_pcm_pack.cxx
+++ b/test/test_pcm_pack.cxx
@@ -22,13 +22,11 @@
#include "pcm/PcmPack.hxx"
#include "system/ByteOrder.hxx"
-#include <glib.h>
-
void
PcmPackTest::TestPack24()
{
constexpr unsigned N = 256;
- const auto src = TestDataBuffer<int32_t, N>(GlibRandomInt24());
+ const auto src = TestDataBuffer<int32_t, N>(RandomInt24());
uint8_t dest[N * 3];
pcm_pack_24(dest, src.begin(), src.end());
diff --git a/test/test_pcm_util.hxx b/test/test_pcm_util.hxx
index df12aa067..b378c75a7 100644
--- a/test/test_pcm_util.hxx
+++ b/test/test_pcm_util.hxx
@@ -17,23 +17,28 @@
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#include <glib.h>
-
#include <array>
+#include <random>
#include <stddef.h>
#include <stdint.h>
template<typename T>
-struct GlibRandomInt {
- T operator()() const {
- return T(g_random_int());
+struct RandomInt {
+ typedef std::minstd_rand Engine;
+ Engine engine;
+
+ static_assert(sizeof(T) <= sizeof(Engine::result_type),
+ "RNG result type too small");
+
+ T operator()() {
+ return T(random());
}
};
-struct GlibRandomInt24 : GlibRandomInt<int32_t> {
- int32_t operator()() const {
- auto t = GlibRandomInt::operator()();
+struct RandomInt24 : RandomInt<int32_t> {
+ int32_t operator()() {
+ auto t = RandomInt::operator()();
t &= 0xffffff;
if (t & 0x800000)
t |= 0xff000000;
@@ -41,9 +46,14 @@ struct GlibRandomInt24 : GlibRandomInt<int32_t> {
}
};
-struct GlibRandomFloat {
- float operator()() const {
- return g_random_double_range(-1.0, 1.0);
+struct RandomFloat {
+ std::mt19937 gen;
+ std::uniform_real_distribution<float> dis;
+
+ RandomFloat():gen(std::random_device()()), dis(-1.0, 1.0) {}
+
+ float operator()() {
+ return dis(gen);
}
};
@@ -56,7 +66,7 @@ public:
using std::array<T, N>::end;
using std::array<T, N>::operator[];
- template<typename G=GlibRandomInt<T>>
+ template<typename G=RandomInt<T>>
TestDataBuffer(G g=G()):std::array<T, N>() {
for (auto &i : *this)
i = g();
diff --git a/test/test_pcm_volume.cxx b/test/test_pcm_volume.cxx
index 1c6730c36..764d8b127 100644
--- a/test/test_pcm_volume.cxx
+++ b/test/test_pcm_volume.cxx
@@ -94,7 +94,7 @@ PcmVolumeTest::TestVolume24()
{
constexpr unsigned N = 256;
static int32_t zero[N];
- const auto src = TestDataBuffer<int32_t, N>(GlibRandomInt24());
+ const auto src = TestDataBuffer<int32_t, N>(RandomInt24());
int32_t dest[N];
@@ -158,7 +158,7 @@ PcmVolumeTest::TestVolumeFloat()
{
constexpr unsigned N = 256;
static float zero[N];
- const auto src = TestDataBuffer<float, N>(GlibRandomFloat());
+ const auto src = TestDataBuffer<float, N>(RandomFloat());
float dest[N];