ref: 36a3fc784e78cb877fb88f15b64ab915255b3a91
dir: /src/st_sample_test.c/
#define DEBUG
#include <assert.h>
#include "st.h"
#define TEST_UINT(bits) \
uint##bits = 0; \
sample = ST_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
assert(sample == ST_SAMPLE_MIN); \
uint##bits = ST_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
assert(uint##bits == 0 && clips == 0); \
\
uint##bits = 1; \
sample = ST_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
assert(sample > ST_SAMPLE_MIN && sample < 0); \
uint##bits = ST_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
assert(uint##bits == 1 && clips == 0); \
\
uint##bits = ST_INT_MAX(bits); \
sample = ST_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
assert(sample * ST_INT_MAX(bits) == ST_UNSIGNED_TO_SAMPLE(bits,1)); \
uint##bits = ST_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
assert(uint##bits == ST_INT_MAX(bits) && clips == 0); \
\
sample =ST_UNSIGNED_TO_SAMPLE(bits,1)+ST_UNSIGNED_TO_SAMPLE(bits,ST_INT_MAX(bits))/2; \
uint##bits = ST_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
assert(uint##bits == 1 && clips == 0); \
\
sample = ST_UNSIGNED_TO_SAMPLE(bits,1)+ST_UNSIGNED_TO_SAMPLE(bits,ST_INT_MAX(bits))/2-1; \
uint##bits = ST_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
assert(uint##bits == 0 && clips == 0); \
\
uint##bits = (0^ST_INT_MIN(bits)); \
sample = ST_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
assert(sample == 0); \
uint##bits = ST_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
assert(uint##bits == (0^ST_INT_MIN(bits)) && clips == 0); \
\
uint##bits = ((0^ST_INT_MIN(bits))+1); \
sample = ST_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
assert(sample > 0 && sample < ST_SAMPLE_MAX); \
uint##bits = ST_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
assert(uint##bits == ((0^ST_INT_MIN(bits))+1) && clips == 0); \
\
uint##bits = ST_UINT_MAX(bits); \
sample = ST_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
assert(sample == ST_INT_MAX(bits) * ST_UNSIGNED_TO_SAMPLE(bits,((0^ST_INT_MIN(bits))+1))); \
uint##bits = ST_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
assert(uint##bits == ST_UINT_MAX(bits) && clips == 0); \
\
sample =ST_UNSIGNED_TO_SAMPLE(bits,ST_UINT_MAX(bits))+ST_UNSIGNED_TO_SAMPLE(bits,((0^ST_INT_MIN(bits))+1))/2-1; \
uint##bits = ST_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
assert(uint##bits == ST_UINT_MAX(bits) && clips == 0); \
\
sample = ST_UNSIGNED_TO_SAMPLE(bits,ST_UINT_MAX(bits))+ST_UNSIGNED_TO_SAMPLE(bits,((0^ST_INT_MIN(bits))+1))/2; \
uint##bits = ST_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
assert(uint##bits == ST_UINT_MAX(bits) && --clips == 0); \
\
sample = ST_SAMPLE_MAX; \
uint##bits = ST_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
assert(uint##bits == ST_UINT_MAX(bits) && --clips == 0); \
#define TEST_SINT(bits) \
int##bits = ST_INT_MIN(bits); \
sample = ST_SIGNED_TO_SAMPLE(bits,int##bits); \
assert(sample == ST_SAMPLE_MIN); \
int##bits##_2 = ST_SAMPLE_TO_SIGNED(bits,sample, clips); \
assert(int##bits##_2 == int##bits && clips == 0); \
\
int##bits = ST_INT_MIN(bits)+1; \
sample = ST_SIGNED_TO_SAMPLE(bits,int##bits); \
assert(sample > ST_SAMPLE_MIN && sample < 0); \
int##bits##_2 = ST_SAMPLE_TO_SIGNED(bits,sample, clips); \
assert(int##bits##_2 == int##bits && clips == 0); \
\
int##bits = ST_UINT_MAX(bits) /* i.e. -1 */; \
sample = ST_SIGNED_TO_SAMPLE(bits,int##bits); \
assert(sample * ST_INT_MAX(bits) == ST_SIGNED_TO_SAMPLE(bits,ST_INT_MIN(bits)+1)); \
int##bits##_2 = ST_SAMPLE_TO_SIGNED(bits,sample, clips); \
assert(int##bits##_2 == int##bits && clips == 0); \
\
int##bits = ST_INT_MIN(bits)+1; \
sample =ST_UNSIGNED_TO_SAMPLE(bits,1)+ST_UNSIGNED_TO_SAMPLE(bits,ST_INT_MAX(bits))/2; \
int##bits##_2 = ST_SAMPLE_TO_SIGNED(bits,sample, clips); \
assert(int##bits##_2 == int##bits && clips == 0); \
\
int##bits = ST_INT_MIN(bits); \
sample = ST_UNSIGNED_TO_SAMPLE(bits,1)+ST_UNSIGNED_TO_SAMPLE(bits,ST_INT_MAX(bits))/2-1; \
int##bits##_2 = ST_SAMPLE_TO_SIGNED(bits,sample, clips); \
assert(int##bits##_2 == int##bits && clips == 0); \
\
int##bits = 0; \
sample = ST_SIGNED_TO_SAMPLE(bits,int##bits); \
assert(sample == 0); \
int##bits##_2 = ST_SAMPLE_TO_SIGNED(bits,sample, clips); \
assert(int##bits##_2 == int##bits && clips == 0); \
\
int##bits = 1; \
sample = ST_SIGNED_TO_SAMPLE(bits,int##bits); \
assert(sample > 0 && sample < ST_SAMPLE_MAX); \
int##bits##_2 = ST_SAMPLE_TO_SIGNED(bits,sample, clips); \
assert(int##bits##_2 == int##bits && clips == 0); \
\
int##bits = ST_INT_MAX(bits); \
sample = ST_SIGNED_TO_SAMPLE(bits,int##bits); \
assert(sample == ST_INT_MAX(bits) * ST_SIGNED_TO_SAMPLE(bits,1)); \
int##bits##_2 = ST_SAMPLE_TO_SIGNED(bits,sample, clips); \
assert(int##bits##_2 == int##bits && clips == 0); \
\
sample =ST_UNSIGNED_TO_SAMPLE(bits,ST_UINT_MAX(bits))+ST_UNSIGNED_TO_SAMPLE(bits,((0^ST_INT_MIN(bits))+1))/2-1; \
int##bits##_2 = ST_SAMPLE_TO_SIGNED(bits,sample, clips); \
assert(int##bits##_2 == int##bits && clips == 0); \
\
sample =ST_UNSIGNED_TO_SAMPLE(bits,ST_UINT_MAX(bits))+ST_UNSIGNED_TO_SAMPLE(bits,((0^ST_INT_MIN(bits))+1))/2; \
int##bits##_2 = ST_SAMPLE_TO_SIGNED(bits,sample, clips); \
assert(int##bits##_2 == int##bits && --clips == 0); \
\
sample = ST_SAMPLE_MAX; \
int##bits##_2 = ST_SAMPLE_TO_SIGNED(bits,sample, clips); \
assert(int##bits##_2 == int##bits && --clips == 0);
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;
st_sample_t sample;
st_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 = ST_FLOAT_DDWORD_TO_SAMPLE(d, clips);
assert(sample == -ST_SAMPLE_MAX && --clips == 0);
d = -1;
sample = ST_FLOAT_DDWORD_TO_SAMPLE(d, clips);
assert(sample == -ST_SAMPLE_MAX && clips == 0);
d = ST_SAMPLE_TO_FLOAT_DDWORD(sample,clips);
assert(d == -1 && clips == 0);
--sample;
d = ST_SAMPLE_TO_FLOAT_DDWORD(sample,clips);
assert(d == -1 && --clips == 0);
d = 1;
sample = ST_FLOAT_DDWORD_TO_SAMPLE(d, clips);
assert(sample == ST_SAMPLE_MAX && clips == 0);
d = ST_SAMPLE_TO_FLOAT_DDWORD(sample,clips);
assert(d == 1 && clips == 0);
d = 1.0000000001;
sample = ST_FLOAT_DDWORD_TO_SAMPLE(d, clips);
assert(sample == ST_SAMPLE_MAX && --clips == 0);
{
enum {MEANT_TO_FAIL};
assert(MEANT_TO_FAIL);
}
return 0;
}