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yap-6.3/utf8proc/test/graphemetest.c

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2015-09-21 23:05:36 +01:00
#include "tests.h"
int main(int argc, char **argv)
{
char *buf = NULL;
size_t bufsize = 0;
FILE *f = argc > 1 ? fopen(argv[1], "r") : NULL;
utf8proc_uint8_t src[1024];
int len;
check(f != NULL, "error opening GraphemeBreakTest.txt");
while (getline(&buf, &bufsize, f) > 0) {
size_t bi = 0, si = 0;
lineno += 1;
if (lineno % 100 == 0)
printf("checking line %zd...\n", lineno);
if (buf[0] == '#') continue;
while (buf[bi]) {
bi = skipspaces(buf, bi);
if (buf[bi] == '/') { /* grapheme break */
src[si++] = '/';
bi++;
}
else if (buf[bi] == '+') { /* no break */
bi++;
}
else if (buf[bi] == '#') { /* start of comments */
break;
}
else { /* hex-encoded codepoint */
len = encode((char*) (src + si), buf + bi) - 1;
while (src[si]) ++si; /* advance to NUL termination */
bi += len;
}
}
if (si && src[si-1] == '/')
--si; /* no break after final grapheme */
src[si] = 0; /* NUL-terminate */
if (si) {
utf8proc_uint8_t utf8[1024]; /* copy src without 0xff grapheme separators */
size_t i = 0, j = 0;
utf8proc_ssize_t glen;
utf8proc_uint8_t *g; /* utf8proc_map grapheme results */
while (i < si) {
if (src[i] != '/')
utf8[j++] = src[i++];
else
i++;
}
glen = utf8proc_map(utf8, j, &g, UTF8PROC_CHARBOUND);
if (glen == UTF8PROC_ERROR_INVALIDUTF8) {
/* the test file contains surrogate codepoints, which are only for UTF-16 */
printf("line %zd: ignoring invalid UTF-8 codepoints\n", lineno);
}
else {
check(glen >= 0, "utf8proc_map error = %s",
utf8proc_errmsg(glen));
for (i = 0; i <= glen; ++i)
if (g[i] == 0xff)
g[i] = '/'; /* easier-to-read output (/ is not in test strings) */
check(!strcmp((char*)g, (char*)src),
"grapheme mismatch: \"%s\" instead of \"%s\"", (char*)g, (char*)src);
}
free(g);
}
}
fclose(f);
printf("Passed tests after %zd lines!\n", lineno);
return 0;
}