tests/cases/test-readdir.c

   1 #include <unistd.h>
   2 #include <dirent.h>
   3 #include <fcntl.h>
   4 #include <sys/stat.h>
   5
   6 #include "hfs-tests.h"
   7 #include "test-utils.h"
   8 #include "disk-image.h"
   9 #include "systemx.h"
  10
  11 TEST(readdir)
  12
  13 static disk_image_t *di;
  14
  15 int run_readdir(__unused test_ctx_t *ctx)
  16 {
  17         di = disk_image_get();
  18
  19         char *path;
  20         asprintf(&path, "%s/readdir.data", di->mount_point);
  21
  22         systemx("/bin/rm", "-rf", path, NULL);
  23         assert_no_err(mkdir(path, 0777));
  24
  25         char *file;
  26         asprintf(&file, "%s/file1", path);
  27         int fd;
  28         int numeof;
  29
  30         assert_with_errno((fd = open(file, O_CREAT | O_TRUNC | O_RDWR, 0666)) >= 0);
  31         assert_no_err(close(fd));
  32
  33         file[strlen(file) - 1] = '2';
  34         assert_with_errno((fd = open(file, O_CREAT | O_TRUNC | O_RDWR, 0666)) >= 0);
  35         assert_no_err(close(fd));
  36
  37         DIR *dir;
  38
  39         assert_with_errno((dir = opendir(path)) != NULL);
  40
  41         struct dirent entry, *dp;
  42         assert_no_err(readdir_r(dir, &entry, &dp));
  43         assert(!strcmp(dp->d_name, "."));
  44         assert_no_err(readdir_r(dir, &entry, &dp));
  45         assert(!strcmp(dp->d_name, ".."));
  46         assert_no_err(readdir_r(dir, &entry, &dp));
  47         assert(!strcmp(dp->d_name, "file1"));
  48         assert_no_err(readdir_r(dir, &entry, &dp));
  49         assert(!strcmp(dp->d_name, "file2"));
  50         assert_no_err(readdir_r(dir, &entry, &dp));
  51         assert(dp == NULL);
  52
  53         closedir(dir);
  54
  55         assert_with_errno((dir = opendir(path)) != NULL);
  56
  57         assert_no_err(readdir_r(dir, &entry, &dp));
  58         assert(!strcmp(dp->d_name, "."));
  59         assert_no_err(readdir_r(dir, &entry, &dp));
  60         assert(!strcmp(dp->d_name, ".."));
  61         assert_no_err(readdir_r(dir, &entry, &dp));
  62         assert(!strcmp(dp->d_name, "file1"));
  63         assert_no_err(readdir_r(dir, &entry, &dp));
  64         assert(!strcmp(dp->d_name, "file2"));
  65         assert_no_err(readdir_r(dir, &entry, &dp));
  66         assert(dp == NULL);
  67         assert_no_err(readdir_r(dir, &entry, &dp));
  68         assert(dp == NULL);
  69
  70         unlink(file);
  71
  72         assert_no_err(readdir_r(dir, &entry, &dp));
  73         assert(dp == NULL);
  74
  75         assert_no_err(closedir(dir));
  76
  77         assert_with_errno((dir = opendir(path)) != NULL);
  78
  79         assert_no_err(readdir_r(dir, &entry, &dp));
  80         assert(!strcmp(dp->d_name, "."));
  81         assert_no_err(readdir_r(dir, &entry, &dp));
  82         assert(!strcmp(dp->d_name, ".."));
  83         assert_no_err(readdir_r(dir, &entry, &dp));
  84         assert(!strcmp(dp->d_name, "file1"));
  85         assert_no_err(readdir_r(dir, &entry, &dp));
  86         assert_no_err(readdir_r(dir, &entry, &dp));
  87         assert(dp == NULL);
  88         assert_no_err(readdir_r(dir, &entry, &dp));
  89         assert(dp == NULL);
  90
  91         file[strlen(file) - 1] = '1';
  92         unlink(file);
  93
  94         assert_no_err(readdir_r(dir, &entry, &dp));
  95         assert(dp == NULL);
  96
  97         assert_no_err(closedir(dir));
  98
  99         assert_with_errno((dir = opendir(path)) != NULL);
 100         assert_with_errno((fd = open(file, O_CREAT | O_TRUNC | O_RDWR, 0666)) >= 0);
 101         assert_no_err(close(fd));
 102
 103         numeof = 0;
 104         for (;;) {
 105                 assert_no_err(readdir_r(dir, &entry, &dp));
 106                 if (dp !=0)
 107                         continue;
 108                 assert_no_err(readdir_r(dir, &entry, &dp));
 109                 if (++numeof == 3)
 110                         break;
 111                 if (numeof == 1)
 112                         assert_no_err(unlink(file));
 113
 114         }
 115         assert_no_err(closedir(dir));
 116
 117         return 0;
 118 }