net: Add socket() system call self test.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2013-03-19 14:49:44 -04:00
parent b5fb82c48b
commit b0aa73bf08
4 changed files with 121 additions and 0 deletions

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@ -5,6 +5,7 @@ TARGETS += vm
TARGETS += cpu-hotplug
TARGETS += memory-hotplug
TARGETS += efivarfs
TARGETS += net-socket
all:
for TARGET in $(TARGETS); do \

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@ -0,0 +1,16 @@
# Makefile for net-socket selftests
CC = $(CROSS_COMPILE)gcc
CFLAGS = -Wall
NET_SOCK_PROGS = socket
all: $(NET_SOCK_PROGS)
%: %.c
$(CC) $(CFLAGS) -o $@ $^
run_tests: all
@/bin/sh ./run_netsocktests || echo "vmtests: [FAIL]"
clean:
$(RM) $(NET_SOCK_PROGS)

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@ -0,0 +1,12 @@
#!/bin/bash
echo "--------------------"
echo "running socket test"
echo "--------------------"
./socket
if [ $? -ne 0 ]; then
echo "[FAIL]"
else
echo "[PASS]"
fi

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@ -0,0 +1,92 @@
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
struct socket_testcase {
int domain;
int type;
int protocol;
/* 0 = valid file descriptor
* -foo = error foo
*/
int expect;
/* If non-zero, accept EAFNOSUPPORT to handle the case
* of the protocol not being configured into the kernel.
*/
int nosupport_ok;
};
static struct socket_testcase tests[] = {
{ AF_MAX, 0, 0, -EAFNOSUPPORT, 0 },
{ AF_INET, SOCK_STREAM, IPPROTO_TCP, 0, 1 },
{ AF_INET, SOCK_DGRAM, IPPROTO_TCP, -EPROTONOSUPPORT, 1 },
{ AF_INET, SOCK_DGRAM, IPPROTO_UDP, 0, 1 },
{ AF_INET, SOCK_STREAM, IPPROTO_UDP, -EPROTONOSUPPORT, 1 },
};
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
#define ERR_STRING_SZ 64
static int run_tests(void)
{
char err_string1[ERR_STRING_SZ];
char err_string2[ERR_STRING_SZ];
int i, err;
err = 0;
for (i = 0; i < ARRAY_SIZE(tests); i++) {
struct socket_testcase *s = &tests[i];
int fd;
fd = socket(s->domain, s->type, s->protocol);
if (fd < 0) {
if (s->nosupport_ok &&
errno == EAFNOSUPPORT)
continue;
if (s->expect < 0 &&
errno == -s->expect)
continue;
strerror_r(-s->expect, err_string1, ERR_STRING_SZ);
strerror_r(errno, err_string2, ERR_STRING_SZ);
fprintf(stderr, "socket(%d, %d, %d) expected "
"err (%s) got (%s)\n",
s->domain, s->type, s->protocol,
err_string1, err_string2);
err = -1;
break;
} else {
close(fd);
if (s->expect < 0) {
strerror_r(errno, err_string1, ERR_STRING_SZ);
fprintf(stderr, "socket(%d, %d, %d) expected "
"success got err (%s)\n",
s->domain, s->type, s->protocol,
err_string1);
err = -1;
break;
}
}
}
return err;
}
int main(void)
{
int err = run_tests();
return err;
}