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#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <spawn.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#define TESTDIR "/bar/baz"
#define TESTPATH "/foo/bar/test"
#define SUBTEST "./test sub"
extern char **environ;
void test_spawn(void) {
pid_t pid;
int ret;
posix_spawn_file_actions_t file_actions;
char *argv[] = {"true", NULL};
assert(posix_spawn_file_actions_init(&file_actions) == 0);
ret = posix_spawn(&pid, TESTPATH, &file_actions, NULL, argv, environ);
assert(ret == 0);
assert(waitpid(pid, NULL, 0) != -1);
}
void test_execv(void) {
char *argv[] = {"true", NULL};
assert(execv(TESTPATH, argv) == 0);
}
void test_system(void) {
assert(system(TESTPATH) == 0);
}
void test_subprocess(void) {
assert(system(SUBTEST) == 0);
}
void test_stat_with_null_path(void) {
// This checks whether the compiler optimizes away the null pointer check
// on the path passed to stat(). If that's the case, the following code
// should segfault.
struct stat buf;
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wnonnull"
stat(NULL, &buf);
#pragma GCC diagnostic pop
}
void assert_mktemp_path(
const char * orig_prefix,
const char * orig_suffix,
const char * updated
) {
// prefix unchanged
assert(strncmp(updated, orig_prefix, strlen(orig_prefix)) == 0);
// wildcards replaced
assert(strcmp(updated + strlen(orig_prefix), "XXXXXX") != 0);
// suffix unchanged
assert(strcmp(updated + strlen(orig_prefix) + 6, orig_suffix) == 0);
}
int main(int argc, char *argv[])
{
FILE *testfp;
int testfd;
struct stat testsb;
#ifndef __APPLE__
struct stat64 testsb64;
#endif
#if defined(__linux__) && defined(STATX_TYPE)
struct statx testsbx;
#endif
char buf[PATH_MAX];
testfp = fopen(TESTPATH, "r");
assert(testfp != NULL);
fclose(testfp);
testfd = open(TESTPATH, O_RDONLY);
assert(testfd != -1);
close(testfd);
assert(access(TESTPATH, X_OK) == 0);
assert(stat(TESTPATH, &testsb) != -1);
#ifndef __APPLE__
assert(stat64(TESTPATH, &testsb64) != -1);
#endif
assert(fstatat(123, TESTPATH, &testsb, 0) != -1);
#ifndef __APPLE__
assert(fstatat64(123, TESTPATH, &testsb64, 0) != -1);
#endif
#if defined(__linux__) && defined(STATX_TYPE)
assert(statx(123, TESTPATH, 0, STATX_ALL, &testsbx) != -1);
#endif
assert(getcwd(buf, PATH_MAX) != NULL);
assert(chdir(TESTDIR) == 0);
assert(chdir(buf) == 0);
assert(mkdir(TESTDIR "/dir-mkdir", 0777) == 0);
assert(unlink(TESTDIR "/dir-mkdir") == -1); // it's a directory!
#ifndef __APPLE__
assert(errno == EISDIR);
#endif
assert(rmdir(TESTDIR "/dir-mkdir") == 0);
assert(unlink(TESTDIR "/dir-mkdir") == -1);
assert(errno == ENOENT);
assert(mkdirat(123, TESTDIR "/dir-mkdirat", 0777) == 0);
assert(unlinkat(123, TESTDIR "/dir-mkdirat", 0) == -1); // it's a directory!
#ifndef __APPLE__
assert(errno == EISDIR);
#endif
assert(unlinkat(123, TESTDIR "/dir-mkdirat", AT_REMOVEDIR) == 0);
strncpy(buf, TESTDIR "/tempXXXXXX", PATH_MAX);
testfd = mkstemp(buf);
assert(testfd > 0);
assert_mktemp_path(TESTDIR "/temp", "", buf);
close(testfd);
strncpy(buf, TESTDIR "/tempXXXXXX", PATH_MAX);
testfd = mkostemp(buf, 0);
assert(testfd > 0);
assert_mktemp_path(TESTDIR "/temp", "", buf);
close(testfd);
strncpy(buf, TESTDIR "/tempXXXXXX.test", PATH_MAX);
testfd = mkstemps(buf, strlen(".test"));
assert(testfd > 0);
assert_mktemp_path(TESTDIR "/temp", ".test", buf);
close(testfd);
strncpy(buf, TESTDIR "/tempXXXXXX.test", PATH_MAX);
testfd = mkostemps(buf, strlen(".test"), 0);
assert(testfd > 0);
assert_mktemp_path(TESTDIR "/temp", ".test", buf);
close(testfd);
strncpy(buf, TESTDIR "/tempXXXXXX", PATH_MAX);
assert(mkdtemp(buf) == buf);
assert_mktemp_path(TESTDIR "/temp", "", buf);
strncpy(buf, TESTDIR "/tempXXXXXX", PATH_MAX);
assert(mktemp(buf) == buf);
assert_mktemp_path(TESTDIR "/temp", "", buf);
test_spawn();
test_system();
test_stat_with_null_path();
// Only run subprocess if no arguments are given
// as the subprocess will be called without argument
// otherwise we will have infinite recursion
if (argc == 1) {
test_subprocess();
}
test_execv();
/* If all goes well, this is never reached because test_execv() replaces
* the current process.
*/
return 0;
}
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