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#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <assert.h>
#include "parameter.h"
int main() {
char *const successvp[] = {"/bin/true", NULL};
char *const failurevp[] = {"/bin/false", NULL};
char *const echovp[] = {"/bin/echo", "Hello world", NULL};
assert(forkexecvp(successvp) == 0);
assert(forkexecvp(failurevp) == 1);
assert(forkexecvp(echovp) == 0);
assert(forkexeclp("/bin/true", "/bin/true", NULL) == 0);
assert(forkexeclp("/bin/false", "/bin/false", NULL) == 1);
assert(forkexeclp("/bin/echo", "/bin/echo", "Hello World", NULL) == 0);
return 0;
}
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