shithub: sox

ref: 6763cba31dea9a680d10d085e5e8e3f04e8cf3ce
dir: /src/sox_sample_test.h/

#define DEBUG
#include <assert.h>
#include "sox.h"

#define TEST_UINT(bits) \
  uint##bits = 0; \
  sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
  assert(sample == SOX_SAMPLE_MIN); \
  uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
  assert(uint##bits == 0 && clips == 0); \
 \
  uint##bits = 1; \
  sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
  assert(sample > SOX_SAMPLE_MIN && sample < 0); \
  uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
  assert(uint##bits == 1 && clips == 0); \
 \
  uint##bits = SOX_INT_MAX(bits); \
  sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
  assert(sample * SOX_INT_MAX(bits) == SOX_UNSIGNED_TO_SAMPLE(bits,1)); \
  uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
  assert(uint##bits == SOX_INT_MAX(bits) && clips == 0); \
 \
  sample =SOX_UNSIGNED_TO_SAMPLE(bits,1)+SOX_UNSIGNED_TO_SAMPLE(bits,SOX_INT_MAX(bits))/2; \
  uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
  assert(uint##bits == 1 && clips == 0); \
 \
  sample = SOX_UNSIGNED_TO_SAMPLE(bits,1)+SOX_UNSIGNED_TO_SAMPLE(bits,SOX_INT_MAX(bits))/2-1; \
  uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
  assert(uint##bits == 0 && clips == 0); \
 \
  uint##bits = (0^SOX_INT_MIN(bits)); \
  sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
  assert(sample == 0); \
  uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
  assert(uint##bits == (0^SOX_INT_MIN(bits)) && clips == 0); \
 \
  uint##bits = ((0^SOX_INT_MIN(bits))+1); \
  sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
  assert(sample > 0 && sample < SOX_SAMPLE_MAX); \
  uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
  assert(uint##bits == ((0^SOX_INT_MIN(bits))+1) && clips == 0); \
 \
  uint##bits = SOX_UINT_MAX(bits); \
  sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
  assert(sample == SOX_INT_MAX(bits) * SOX_UNSIGNED_TO_SAMPLE(bits,((0^SOX_INT_MIN(bits))+1))); \
  uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
  assert(uint##bits == SOX_UINT_MAX(bits) && clips == 0); \
 \
  sample =SOX_UNSIGNED_TO_SAMPLE(bits,SOX_UINT_MAX(bits))+SOX_UNSIGNED_TO_SAMPLE(bits,((0^SOX_INT_MIN(bits))+1))/2-1; \
  uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
  assert(uint##bits == SOX_UINT_MAX(bits) && clips == 0); \
 \
  sample = SOX_UNSIGNED_TO_SAMPLE(bits,SOX_UINT_MAX(bits))+SOX_UNSIGNED_TO_SAMPLE(bits,((0^SOX_INT_MIN(bits))+1))/2; \
  uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
  assert(uint##bits == SOX_UINT_MAX(bits) && --clips == 0); \
 \
  sample = SOX_SAMPLE_MAX; \
  uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
  assert(uint##bits == SOX_UINT_MAX(bits) && --clips == 0); \

#define TEST_SINT(bits) \
  int##bits = SOX_INT_MIN(bits); \
  sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \
  assert(sample == SOX_SAMPLE_MIN); \
  int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
  assert(int##bits##_2 == int##bits && clips == 0); \
 \
  int##bits = SOX_INT_MIN(bits)+1; \
  sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \
  assert(sample > SOX_SAMPLE_MIN && sample < 0); \
  int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
  assert(int##bits##_2 == int##bits && clips == 0); \
 \
  int##bits = SOX_UINT_MAX(bits) /* i.e. -1 */; \
  sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \
  assert(sample * SOX_INT_MAX(bits) == SOX_SIGNED_TO_SAMPLE(bits,SOX_INT_MIN(bits)+1)); \
  int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
  assert(int##bits##_2 == int##bits && clips == 0); \
 \
  int##bits = SOX_INT_MIN(bits)+1; \
  sample =SOX_UNSIGNED_TO_SAMPLE(bits,1)+SOX_UNSIGNED_TO_SAMPLE(bits,SOX_INT_MAX(bits))/2; \
  int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
  assert(int##bits##_2 == int##bits && clips == 0); \
 \
  int##bits = SOX_INT_MIN(bits); \
  sample = SOX_UNSIGNED_TO_SAMPLE(bits,1)+SOX_UNSIGNED_TO_SAMPLE(bits,SOX_INT_MAX(bits))/2-1; \
  int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
  assert(int##bits##_2 == int##bits && clips == 0); \
 \
  int##bits = 0; \
  sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \
  assert(sample == 0); \
  int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
  assert(int##bits##_2 == int##bits && clips == 0); \
 \
  int##bits = 1; \
  sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \
  assert(sample > 0 && sample < SOX_SAMPLE_MAX); \
  int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
  assert(int##bits##_2 == int##bits && clips == 0); \
 \
  int##bits = SOX_INT_MAX(bits); \
  sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \
  assert(sample == SOX_INT_MAX(bits) * SOX_SIGNED_TO_SAMPLE(bits,1)); \
  int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
  assert(int##bits##_2 == int##bits && clips == 0); \
 \
  sample =SOX_UNSIGNED_TO_SAMPLE(bits,SOX_UINT_MAX(bits))+SOX_UNSIGNED_TO_SAMPLE(bits,((0^SOX_INT_MIN(bits))+1))/2-1; \
  int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
  assert(int##bits##_2 == int##bits && clips == 0); \
 \
  sample =SOX_UNSIGNED_TO_SAMPLE(bits,SOX_UINT_MAX(bits))+SOX_UNSIGNED_TO_SAMPLE(bits,((0^SOX_INT_MIN(bits))+1))/2; \
  int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
  assert(int##bits##_2 == int##bits && --clips == 0); \
 \
  sample = SOX_SAMPLE_MAX; \
  int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
  assert(int##bits##_2 == int##bits && --clips == 0);

#if defined __GNUC__ 
  #pragma GCC system_header 
#elif defined __SUNPRO_CC 
  #pragma disable_warn 
#elif defined _MSC_VER 
  #pragma warning(push, 1) 
#endif 

int main()
{
  int8_t int8;
  int16_t int16;
  int24_t int24;

  uint8_t uint8;
  uint16_t uint16;
  uint24_t uint24;

  int8_t int8_2;
  int16_t int16_2;
  int24_t int24_2;

  sox_sample_t sample;
  sox_size_t clips = 0;

  double d;

  TEST_UINT(8)
  TEST_UINT(16)
  TEST_UINT(24)

  TEST_SINT(8)
  TEST_SINT(16)
  TEST_SINT(24)

  d = -1.0000000001;
  sample = SOX_FLOAT_64BIT_TO_SAMPLE(d, clips);
  assert(sample == -SOX_SAMPLE_MAX && --clips == 0);

  d = -1;
  sample = SOX_FLOAT_64BIT_TO_SAMPLE(d, clips);
  assert(sample == -SOX_SAMPLE_MAX && clips == 0);
  d = SOX_SAMPLE_TO_FLOAT_64BIT(sample,clips);
  assert(d == -1 && clips == 0);

  --sample;
  d = SOX_SAMPLE_TO_FLOAT_64BIT(sample,clips);
  assert(d == -1 && --clips == 0);

  d = 1;
  sample = SOX_FLOAT_64BIT_TO_SAMPLE(d, clips);
  assert(sample == SOX_SAMPLE_MAX && clips == 0);
  d = SOX_SAMPLE_TO_FLOAT_64BIT(sample,clips);
  assert(d == 1 && clips == 0);

  d = 1.0000000001;
  sample = SOX_FLOAT_64BIT_TO_SAMPLE(d, clips);
  assert(sample == SOX_SAMPLE_MAX && --clips == 0);

  return 0;
}

#if defined __SUNPRO_CC 
  #pragma enable_warn 
#elif defined _MSC_VER 
  #pragma warning(pop) 
#endif