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seek test: Test some additional error cases.

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Patrick Pelletier 2018-08-20 10:53:35 -07:00 • committed by Oliver Schmidt
parent 0a7702626f
commit 357d94e834
1 changed files with 29 additions and 0 deletions
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29
testcode/lib/seek.c
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@ -173,6 +173,35 @@ int main(int argc, char **argv)
}
else {
printf("NOT OK, no error\n");
fclose(file);
return(1);
}
/* ProDOS on the Apple II only supports 24-bit file offsets,
** so anything beyond that should be an error. I don't know
** about other platforms, but I'm guessing no 6502-based
** operating systems support 32-bit offsets?
*/
printf("seeking to position 2^24:\n\t");
pos = lseek(fd, 0x1000000L, SEEK_SET);
if (pos == -1) {
printf("Ok, error %s\n", strerror(errno));
}
else {
printf("NOT OK, returned %ld but expected -1\n", pos);
fclose(file);
return(1);
}
printf("trying invalid value for whence:\n\t");
pos = lseek(fd, 0L, 3);
if (pos == -1) {
printf("Ok, error %s\n", strerror(errno));
}
else {
printf("NOT OK, returned %ld but expected -1\n", pos);
fclose(file);
return(1);
}
fclose(file);