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_debug_info = 1; () = evalfile ("inc.sl");
print ("Testing stdio routines...");
define fopen_tmp_file (fileptr, mode)
{
variable n;
variable file, fp;
variable fmt;
@fileptr = NULL;
fmt = "tmp-xxx.%03d"; % I need something that works on an 8+3 filesystem
n = -1;
while (n < 999)
{
n++;
file = sprintf (fmt, n);
if (NULL != stat_file (file))
continue;
fp = fopen (file, mode);
if (fp != NULL)
{
@fileptr = file;
return fp;
}
}
failed ("Unable to open a tmp file");
}
define run_tests (some_text, read_fun, write_fun, length_fun)
{
variable file, fp;
variable new_text, nbytes, len;
variable pos;
fp = fopen_tmp_file (&file, "wb");
if (-1 == @write_fun (some_text, fp))
failed (string (write_fun));
if (-1 == fclose (fp))
failed ("fclose");
fp = fopen (file, "rb");
if (fp == NULL) failed ("fopen existing");
len = @length_fun (some_text);
nbytes = @read_fun (&new_text, len, fp);
if ((nbytes != len)
or (some_text != new_text))
failed (string (read_fun));
if (-1 != @read_fun (&new_text, 1, fp))
failed (string (read_fun) + " at EOF");
if (0 == feof (fp)) failed ("feof");
clearerr (fp);
if (feof (fp)) failed ("clearerr");
if (0 != fseek (fp, 0, SEEK_SET)) failed ("fseek");
nbytes = @read_fun (&new_text, len, fp);
if ((nbytes != len)
or (some_text != new_text))
failed (string (read_fun) + " after fseek");
pos = ftell (fp);
if (pos == -1) failed ("ftell at EOF");
if (0 != fseek (fp, 0, SEEK_SET)) failed ("fseek");
if (0 != ftell (fp)) failed ("ftell at BOF");
if (0 != fseek (fp, pos, SEEK_CUR)) failed ("fseek to pos");
if (pos != ftell (fp)) failed ("ftell after fseek to pos");
if (feof (fp) != 0) failed ("feof after fseek to EOF");
() = fseek (fp, 0, SEEK_SET);
nbytes = fread (&new_text, Char_Type, 0, fp);
if (nbytes != 0)
failed ("fread for 0 bytes");
nbytes = fread (&new_text, Char_Type, len + 100, fp);
if (nbytes != len)
failed ("fread for 100 extra bytes");
if (-1 == fclose (fp)) failed ("fclose after tests");
() = remove (file);
if (stat_file (file) != NULL) failed ("remove");
}
static define do_fgets (addr, nbytes, fp)
{
return fgets (addr, fp);
}
static define do_fread (addr, nbytes, fp)
{
return fread (addr, UChar_Type, nbytes, fp);
}
run_tests ("ABCDEFG", &do_fgets, &fputs, &strlen);
run_tests ("A\000BC\000\n\n\n", &do_fread, &fwrite, &bstrlen);
define test_fread_fwrite (x)
{
variable fp, file, str, n, m, y, type, ch;
fp = fopen_tmp_file (&file, "w+b");
type = _typeof(x);
n = length (x);
if ((type == String_Type) or (type == BString_Type))
{
type = UChar_Type;
n = bstrlen (x);
}
if (n != fwrite (x, fp))
failed ("test_fread_fwrite: fwrite");
if (-1 == fseek (fp, 0, SEEK_SET))
failed ("test_fread_fwrite: fseek");
if (n != fread (&y, type, n, fp))
failed ("test_fread_fwrite: fread");
if (length (where (y != x)))
failed ("test_fread_fwrite: fread failed to return: " + string(x));
if (-1 == fseek (fp, 0, SEEK_SET))
failed ("test_fread_fwrite: fseek");
if (type == UChar_Type)
{
y = 0;
foreach (fp) using ("char")
{
ch = ();
if (ch != x[y])
failed ("foreach using char: %S != %S", ch, x[y]);
y++;
}
if (y != n)
failed ("foreach using char 2");
}
() = fclose (fp);
if (-1 == remove (file))
failed ("remove:" + errno_string(errno));
if (stat_file (file) != NULL) failed ("remove");
}
test_fread_fwrite ("");
test_fread_fwrite ("hello");
test_fread_fwrite ("hel\0\0lo");
test_fread_fwrite (Integer_Type[0]);
test_fread_fwrite ([1:10]);
#ifexists Double_Type
test_fread_fwrite (3.17);
test_fread_fwrite ([1:10:0.01]);
#endif
#ifexists Complex_Type
test_fread_fwrite (Complex_Type[50] + 3 + 2i);
test_fread_fwrite (2i+3);
test_fread_fwrite ([2i+3, 7i+1]);
#endif
print ("Ok\n");
exit (0);
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