/*
* Copyright (C) 2003-2013 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <glib.h>
#include <array>
#include <stddef.h>
#include <stdint.h>
template<typename T>
struct GlibRandomInt {
T operator()() const {
return T(g_random_int());
}
};
struct GlibRandomInt24 : GlibRandomInt<int32_t> {
int32_t operator()() const {
auto t = GlibRandomInt::operator()();
t &= 0xffffff;
if (t & 0x800000)
t |= 0xff000000;
return t;
}
};
struct GlibRandomFloat {
float operator()() const {
return g_random_double_range(-1.0, 1.0);
}
};
template<typename T, size_t N>
class TestDataBuffer : std::array<T, N> {
public:
using typename std::array<T, N>::const_pointer;
using std::array<T, N>::size;
using std::array<T, N>::begin;
using std::array<T, N>::end;
using std::array<T, N>::operator[];
template<typename G=GlibRandomInt<T>>
TestDataBuffer(G g=G()):std::array<T, N>() {
for (auto &i : *this)
i = g();
}
operator typename std::array<T, N>::const_pointer() const {
return begin();
}
};
template<typename T>
bool
AssertEqualWithTolerance(const T &a, const T &b, unsigned tolerance)
{
g_assert_cmpint(a.size(), ==, b.size());
for (unsigned i = 0; i < a.size(); ++i) {
int64_t x = a[i], y = b[i];
g_assert_cmpint(x, >=, y - int64_t(tolerance));
g_assert_cmpint(x, <=, y + int64_t(tolerance));
}
return true;
}
