| 1 | 
  
    
    | 2 | @type trace | 
  
    
    | 3 | 
 | 
  
    
    | 4 | 
  
    
    | 5 | 
 | 
  
    
    | 6 | Pid 2 -> create (User_id 0) (Group_id 0) | 
  
    
    | 7 | 
 | 
  
    
    | 8 | opendir "/" | 
  
    
    | 9 | Tau | 
  
    
    | 10 | RV_num(1) | 
  
    
    | 11 | readdir (DH 1) | 
  
    
    | 12 | Tau | 
  
    
    | 13 | RV_bytes(".") | 
  
    
    | 14 | readdir (DH 1) | 
  
    
    | 15 | Tau | 
  
    
    | 16 | RV_bytes("..") | 
  
    
    | 17 | readdir (DH 1) | 
  
    
    | 18 | Tau | 
  
    
    | 19 | RV_none | 
  
    
    | 20 | closedir (DH 1) | 
  
    
    | 21 | Tau | 
  
    
    | 22 | RV_none | 
  
    
    | 23 | 
 | 
  
    
    | 24 | mkdir "/dmz" 0o777 | 
  
    
    | 25 | Tau | 
  
    
    | 26 | RV_none | 
  
    
    | 27 | 
 | 
  
    
    | 28 | chdir "/dmz" | 
  
    
    | 29 | Tau | 
  
    
    | 30 | RV_none | 
  
    
    | 31 | 
 | 
  
    
    | 32 | stat "." | 
  
    
    | 33 | Tau | 
  
    
    | 34 | RV_stat { 
      | st_dev | = | 1792; |  | st_ino | = | 32652; |  | st_kind | = | S_IFDIR; |  | st_perm | = | 0o755; |  | st_nlink | = | 2; |  | st_uid | = | 0; |  | st_gid | = | 0; |  | st_rdev | = | 0; |  | st_size | = | 4096; |  } | 
  
    
    | 35 | 
 | 
  
    
    | 36 | mkdir "subdir" 0o600 | 
  
    
    | 37 | Tau | 
  
    
    | 38 | RV_none | 
  
    
    | 39 | 
 | 
  
    
    | 40 | stat "." | 
  
    
    | 41 | Tau | 
  
    
    | 42 | RV_stat { 
      | st_dev | = | 1792; |  | st_ino | = | 32652; |  | st_kind | = | S_IFDIR; |  | st_perm | = | 0o755; |  | st_nlink | = | 3; |  | st_uid | = | 0; |  | st_gid | = | 0; |  | st_rdev | = | 0; |  | st_size | = | 4096; |  } | 
  
    
    | 43 | 
 | 
  
    
    | 44 | opendir "." | 
  
    
    | 45 | Tau | 
  
    
    | 46 | RV_num(1) | 
  
    
    | 47 | readdir (DH 1) | 
  
    
    | 48 | Tau | 
  
    
    | 49 | RV_bytes("subdir") | 
  
    
    | 50 | readdir (DH 1) | 
  
    
    | 51 | Tau | 
  
    
    | 52 | RV_bytes(".") | 
  
    
    | 53 | readdir (DH 1) | 
  
    
    | 54 | Tau | 
  
    
    | 55 | RV_bytes("..") | 
  
    
    | 56 | readdir (DH 1) | 
  
    
    | 57 | Tau | 
  
    
    | 58 | RV_none | 
  
    
    | 59 | closedir (DH 1) | 
  
    
    | 60 | Tau | 
  
    
    | 61 | RV_none | 
  
    
    | 62 | 
 | 
  
    
    | 63 | opendir "." | 
  
    
    | 64 | Tau | 
  
    
    | 65 | RV_num(1) | 
  
    
    | 66 | 
 | 
  
    
    | 67 | Pid 2 -> rmdir "/dmz/subdir" | 
  
    
    | 68 | Tau | 
  
    
    | 69 | RV_none | 
  
    
    | 70 | Pid 2 -> rmdir "/dmz" | 
  
    
    | 71 | Tau | 
  
    
    | 72 | RV_none | 
  
    
    | 73 | 
 | 
  
    
    | 74 | stat "." | 
  
    
    | 75 | Tau | 
  
    
    
    | 76 | RV_stat { 
      | st_dev | = | 1792; |  | st_ino | = | 32652; |  | st_kind | = | S_IFDIR; |  | st_perm | = | 0o755; |  | st_nlink | = | 0; |  | st_uid | = | 0; |  | st_gid | = | 0; |  | st_rdev | = | 0; |  | st_size | = | 0; |  } | 
  
    |  | 
      | THE SPEC ASSERTS THE STATE SET IS EMPTY |  | The spec permitted: RV_stat { 
      | st_dev | = | 2049; |  | st_ino | = | 1; |  | st_kind | = | S_IFDIR; |  | st_perm | = | 0o755; |  | st_nlink | = | 1; |  | st_uid | = | 0; |  | st_gid | = | 0; |  | st_rdev | = | 0; |  | st_size | = | 9999; |  }
 |  | expected st_nlink 1 but got st_nlink 0 |  | 
  
    
    | 77 | 
 | 
  
    
    | 78 | readdir (DH 1) | 
  
    
    | 79 | Tau | 
  
    
    
    | 80 | RV_none | 
  
    |  | 
      | THE SPEC ASSERTS THE STATE SET IS EMPTY |  | The spec permitted: RV_bytes(".")RV_bytes("..")RV_bytes("subdir")
 |  | unexpected results: RV_none |  | allowed are only: RV_bytes("subdir"), RV_bytes(".."), RV_bytes(".") |  | continuing check with RV_bytes("subdir"), RV_bytes(".."), RV_bytes(".") |  |