/* vim: set expandtab ts=4 sw=4: */
/*
* You may redistribute this program and/or modify it under the terms of
* the GNU General Public License as published by the Free Software Foundation,
* either version 3 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, see .
*/
#include "crypto/random/Random.h"
#include "memory/MallocAllocator.h"
#include "util/Bits.h"
#include "util/Endian.h"
#include
#include
#include "util/Assert.h"
static void log2x64(struct Random* rand)
{
Assert_true(Bits_log2x64(1) == 0);
Assert_true(Bits_log2x64_stupid(1) == Bits_log2x64(1));
Assert_true(Bits_log2x64_stupid(0) == Bits_log2x64(0));
for (int i = 0; i < 1000; i++) {
uint64_t num = Random_uint64(rand);
Assert_true(Bits_log2x64_stupid(num) == Bits_log2x64(num));
}
}
int main()
{
struct Allocator* alloc = MallocAllocator_new(20000);
struct Random* rand = Random_new(alloc, NULL, NULL);
log2x64(rand);
uint64_t x;
Random_bytes(rand, (uint8_t*) &x, 8);
printf("x = 0x%016" PRIx64 "\n", x);
Assert_true(Bits_bitReverse64(Bits_bitReverse64(x)) == x);
Assert_true(
Bits_bitReverse64(Endian_byteSwap64(Bits_bitReverse64(x))) == Endian_byteSwap64(x));
Assert_true(Bits_bitReverse64(1) == ((uint64_t)1)<<63);
Assert_true(Bits_bitReverse64(0) == 0);
Allocator_free(alloc);
return 0;
}