system-testsuite

puts.c (604B)

#include <atf-c.h> // ATF*, atf*
#include <stdio.h> // fopen, fclose, fputs
#include <errno.h> // errno
#include <string.h> // strerror
ATF_TC(puts_devfull);
ATF_TC_HEAD(puts_devfull, tc)
{
	atf_tc_set_md_var(tc, "descr", "Checking for write error on /dev/full");
}
ATF_TC_BODY(puts_devfull, tc)
{
	FILE *devfull = fopen("/dev/full", "w");
	ATF_CHECK_MSG(devfull != NULL, "%s", strerror(errno));
	ATF_CHECK_ERRNO(ENOSPC, fputs("hello world", devfull) < 0);
	ATF_CHECK_MSG(fclose(devfull) == 0, "%s", strerror(errno));
}
ATF_TP_ADD_TCS(tp)
{
	ATF_TP_ADD_TC(tp, puts_devfull);
	return atf_no_error();
}