/*
 * $HEADER$
 */

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/param.h>
#include <sys/stat.h>

#include "ompi_config.h"
#include "include/constants.h"
#include "util/sys_info.h"
#include "util/os_path.h"
#include "util/os_create_dirpath.h"

static bool test1(void);   /* trivial test */
static bool test2(void);   /* test existing path, both with and without correct mode */
static bool test3(void);   /* test making a directory tree */


int main(int argc, char* argv[])
{
    bool test1f, test2f, test3f;

    test1f = test2f = test3f = false;

    ompi_sys_info(); /* initialize system info */

    /* All done */

    if (test1()) {
        printf("test1 passed\n");
        test1f = true;
    }

    if (test2()) {
        printf("test2 passed\n");
        test2f = true;
    }

    if (test3()) {
        printf("test3 passed\n");
        test3f = true;
    }

    if (test1f && test2f && test3f) {
        printf("test succeeded\n");
        return 0;
    }

    printf("test failed\n");
    return -1;
}


static bool test1(void)
{

    /* Test trivial functionality. Program should return OMPI_ERROR when called with NULL path. */

    if (OMPI_ERROR != ompi_os_create_dirpath(NULL, S_IRWXU))
            return(false);

    return true;
}


static bool test2(void)
{
    char *tmp;
    struct stat buf;
 
    if (NULL == ompi_system_info.path_sep) {
        printf("test2 cannot be run\n");
        return(false);
    }
    tmp = ompi_os_path(true, "tmp", NULL);
    if (0 != mkdir(tmp, S_IRWXU)) {
        printf("test2 could not be run - directory could not be made\n");
        return(false);
    }

    if (OMPI_ERROR == ompi_os_create_dirpath(tmp, S_IRWXU)) {
        rmdir(tmp);
        return(false);
    }

    chmod(tmp, S_IRUSR);

    if (OMPI_ERROR == ompi_os_create_dirpath(tmp, S_IRWXU)) {
        rmdir(tmp);
        return(false);
    }

    stat(tmp, &buf);
    if (S_IRWXU != (S_IRWXU & buf.st_mode)) {
        rmdir(tmp);
        return(false);
    }

    rmdir(tmp);
    return true;
}


static bool test3(void)
{
    char *out;
    struct stat buf;
    char *a[] = { "aaa", "bbb", "ccc", NULL };

    if (NULL == ompi_system_info.path_sep) {
        printf("test3 cannot be run\n");
        return(false);
    }

    out = ompi_os_path(true, a[0], a[1], a[2], NULL);
    if (OMPI_ERROR == ompi_os_create_dirpath(out, S_IRWXU)) {
        out = ompi_os_path(true, a[0], a[1], a[2], NULL);
        if (0 == stat(out, &buf))
            rmdir(out);
        out = ompi_os_path(true, a[0], a[1], NULL);
        if (0 == stat(out, &buf))
            rmdir(out);
        out = ompi_os_path(true, a[0], NULL);
        if (0 == stat(out, &buf))
            rmdir(out);
        return(false);
    }
    return(true);
}