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checkasm: add function to check and diff memory 

This was ported from dav1d (c950e7101bdf5f7117bfca816984a21e550509f0).

Signed-off-by: Josh de Kock <josh@itanimul.li>
This commit is contained in:
Martin Storsjö 2019-06-20 23:38:06 +03:00 committed by Josh de Kock
parent 718c8f9aa5
commit 3ce1b2bf8d
2 changed files with 58 additions and 0 deletions
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42
tests/checkasm/checkasm.c
View File

@ -268,6 +268,7 @@ static struct {
int cpu_flag;
const char *cpu_flag_name;
const char *test_name;
int verbose;
} state;
/* PRNG state */
@ -686,6 +687,8 @@ int main(int argc, char *argv[])
state.bench_pattern = "";
} else if (!strncmp(argv[1], "--test=", 7)) {
state.test_name = argv[1] + 7;
} else if (!strcmp(argv[1], "--verbose") || !strcmp(argv[1], "-v")) {
state.verbose = 1;
} else {
seed = strtoul(argv[1], NULL, 10);
}
@ -836,3 +839,42 @@ void checkasm_report(const char *name, ...)
max_length = length;
}
}
#define DEF_CHECKASM_CHECK_FUNC(type, fmt) \
int checkasm_check_##type(const char *const file, const int line, \
const type *buf1, ptrdiff_t stride1, \
const type *buf2, ptrdiff_t stride2, \
const int w, int h, const char *const name) \
{ \
int y = 0; \
stride1 /= sizeof(*buf1); \
stride2 /= sizeof(*buf2); \
for (y = 0; y < h; y++) \
if (memcmp(&buf1[y*stride1], &buf2[y*stride2], w*sizeof(*buf1))) \
break; \
if (y == h) \
return 0; \
checkasm_fail_func("%s:%d", file, line); \
if (!state.verbose) \
return 1; \
fprintf(stderr, "%s:\n", name); \
while (h--) { \
for (int x = 0; x < w; x++) \
fprintf(stderr, " " fmt, buf1[x]); \
fprintf(stderr, " "); \
for (int x = 0; x < w; x++) \
fprintf(stderr, " " fmt, buf2[x]); \
fprintf(stderr, " "); \
for (int x = 0; x < w; x++) \
fprintf(stderr, "%c", buf1[x] != buf2[x] ? 'x' : '.'); \
buf1 += stride1; \
buf2 += stride2; \
fprintf(stderr, "\n"); \
} \
return 1; \
}
DEF_CHECKASM_CHECK_FUNC(uint8_t, "%02x")
DEF_CHECKASM_CHECK_FUNC(uint16_t, "%04x")
DEF_CHECKASM_CHECK_FUNC(int16_t, "%6d")
DEF_CHECKASM_CHECK_FUNC(int32_t, "%9d")

16
tests/checkasm/checkasm.h
View File

@ -257,4 +257,20 @@ typedef struct CheckasmPerf {
#define PERF_STOP(t) while(0)
#endif
#define DECL_CHECKASM_CHECK_FUNC(type) \
int checkasm_check_##type(const char *const file, const int line, \
const type *const buf1, const ptrdiff_t stride1, \
const type *const buf2, const ptrdiff_t stride2, \
const int w, const int h, const char *const name)
DECL_CHECKASM_CHECK_FUNC(uint8_t);
DECL_CHECKASM_CHECK_FUNC(uint16_t);
DECL_CHECKASM_CHECK_FUNC(int16_t);
DECL_CHECKASM_CHECK_FUNC(int32_t);
#define PASTE(a,b) a ## b
#define CONCAT(a,b) PASTE(a,b)
#define checkasm_check(prefix, ...) CONCAT(checkasm_check_, prefix)(__FILE__, __LINE__, __VA_ARGS__)
#endif /* TESTS_CHECKASM_CHECKASM_H */