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#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <wchar.h>
static const struct
{
const char *enc;
const char *data;
size_t datalen;
const wchar_t *expected;
size_t expectedlen;
} tests[] =
{
{ "UCS-4LE", "a\0\0\0b\0\0\0", 8, L"ab", 2 },
{ "UCS-4BE", "\0\0\0a\0\0\0b", 8, L"ab", 2 },
};
#define ntests (sizeof (tests) / sizeof (tests[0]))
static int do_test (void);
#define TEST_FUNCTION do_test ()
static void prepare (void);
#define PREPARE(argc, argv) prepare ();
#include "../test-skeleton.c"
static int fd;
static char *tmpname;
static void
prepare (void)
{
fd = create_temp_file ("tst-fopenloc2", &tmpname);
if (fd == -1)
{
puts ("cannot open temp file");
exit (1);
}
}
static int
do_test (void)
{
for (int i = 0; i < ntests; ++i)
{
if (ftruncate (fd, 0) != 0)
{
printf ("ftruncate in round %d failed\n", i + 1);
return 1;
}
if (TEMP_FAILURE_RETRY (write (fd, tests[i].data, tests[i].datalen))
!= tests[i].datalen)
{
printf ("write in round %d failed\n", i + 1);
return 1;
}
if (lseek (fd, 0, SEEK_SET) != 0)
{
printf ("lseek in round %d failed\n", i + 1);
return 1;
}
char *ccs;
if (asprintf (&ccs, "r,ccs=%s", tests[i].enc) == -1)
{
printf ("asprintf in round %d failed\n", i + 1);
return 1;
}
FILE *fp = fopen (tmpname, ccs);
if (fp == NULL)
{
printf ("fopen in round %d failed\n", i + 1);
return 1;
}
#define LINELEN 100
wchar_t line[LINELEN];
if (fgetws (line, LINELEN, fp) != line)
{
printf ("fgetws in round %d failed\n", i + 1);
return 1;
}
if (wcslen (line) != tests[i].expectedlen)
{
printf ("round %d: expected length %zu, got length %zu\n",
i + 1, tests[i].expectedlen, wcslen (line));
return 1;
}
if (wcscmp (tests[i].expected, line) != 0)
{
printf ("round %d: expected L\"%ls\", got L\"%ls\"\n",
i + 1, tests[i].expected, line);
return 1;
}
fclose (fp);
free (ccs);
}
close (fd);
return 0;
}
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