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#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <alloc.h>
#include <errors.h>
#include <macros.h>
#include <mbstring.h>
#include <unicode/string.h>
#define TESTFILE "lower.in"
static bool test(const char8_t *, int);
int
main(int, char **argv)
{
int rv;
size_t n;
ssize_t nr;
char *line;
FILE *fp;
rv = EXIT_SUCCESS;
line = nullptr;
mlib_setprogname(argv[0]);
if ((fp = fopen(TESTFILE, "r")) == nullptr)
err("fopen: %s:", TESTFILE);
for (int id = 1; (nr = getline(&line, &n, fp)) > 0; id++) {
if (line[nr - 1] == '\n')
line[--nr] = '\0';
if (!test(line, id))
rv = EXIT_FAILURE;
}
if (ferror(fp))
err("getline: %s:", TESTFILE);
free(line);
fclose(fp);
return rv;
}
bool
test(const char8_t *line, int id)
{
struct u8view before, after, flags;
before.p = line;
after.p = strchr(line, ';') + 1;
before.len = after.p - before.p - 1;
flags.p = strchr(after.p, ';') + 1;
after.len = flags.p - after.p - 1;
flags.len = strlen(flags.p);
enum caseflags cf = 0;
if (u8eq(U8_ARGS(flags), U8_ARGS(U8("AZ"))))
cf |= CF_LANG_AZ;
else if (u8eq(U8_ARGS(flags), U8_ARGS(U8("LT"))))
cf |= CF_LANG_LT;
char8_t *buf = bufalloc(nullptr, 1, after.len);
size_t bufsz = u8lower(nullptr, 0, U8_ARGS(before), cf);
if (bufsz != after.len) {
warn("case %d: expected lowercased buffer size of %zu but got %zu "
"(flags=‘%.*s’)",
id, after.len, bufsz, U8_PRI_ARGS(flags));
return false;
}
bufsz = u8lower(buf, bufsz, U8_ARGS(before), cf);
if (bufsz != after.len) {
warn("case %d: expected lowercased length of %zu but got %zu "
"(flags=‘%.*s’)",
id, after.len, bufsz, U8_PRI_ARGS(flags));
return false;
}
if (!memeq(buf, after.p, bufsz)) {
warn("case %d: expected ‘%.*s’ but got ‘%.*s’ (flags=‘%.*s’)", id,
U8_PRI_ARGS(after), (int)bufsz, buf, U8_PRI_ARGS(flags));
return false;
}
free(buf);
return true;
}
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