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test program now verifies pngsuite tests against refererence versions

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This commit is contained in:
Sean Barrett 2014-12-14 00:01:50 -08:00
parent 8679ce08b7
commit 01d2c9d957
1 changed files with 24 additions and 2 deletions
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26
tests/image_test.c
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@ -7,6 +7,8 @@
#define STB_DEFINE
#include "stb.h"
#define PART1
int main(int argc, char **argv)
{
int w,h;
@ -31,8 +33,12 @@ int main(int argc, char **argv)
printf("FAILED 4\n");
}
} else {
int i;
int i, nope=0;
#ifdef PART1
char **files = stb_readdir_files("pngsuite/part1");
#else
char **files = stb_readdir_files("images");
#endif
for (i=0; i < stb_arr_len(files); ++i) {
int n;
char **failed = NULL;
@ -45,8 +51,24 @@ int main(int argc, char **argv)
data = stbi_load(files[i], &w, &h, 0, 4); if (data) ; else stb_arr_push(failed, "4");
if (data) {
char fname[512];
#ifdef PART1
int w2,h2;
unsigned char *data2;
stb_splitpath(fname, files[i], STB_FILE_EXT);
data2 = stbi_load(stb_sprintf("pngsuite/part1_check/%s", fname), &w2, &h2, 0, 4);
if (!data2)
printf("FAILED: couldn't load 'pngsuite/part1_check/%s\n", fname);
else {
if (w != w2 || h != w2 || 0 != memcmp(data, data2, w*h*4)) {
printf("FAILED: %s loaded but didn't match part1_check 32-bit version\n", files[i]);
}
free(data2);
}
#else
stb_splitpath(fname, files[i], STB_FILE);
stbi_write_png(stb_sprintf("output/%s.png", fname), w, h, 4, data, w*4);
#endif
free(data);
}
if (failed) {
@ -57,7 +79,7 @@ int main(int argc, char **argv)
printf(" -- %s\n", files[i]);
}
}
printf("Tested %d files\n", i);
printf("Tested %d files.\n", i);
}
return 0;
}