gcc/testsuite/ada/acats/tests/ca/ca110041.a

   1 -- CA110041.A
   2 --
   3 --                             Grant of Unlimited Rights
   4 --
   5 --     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
   6 --     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
   7 --     unlimited rights in the software and documentation contained herein.
   8 --     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
   9 --     this public release, the Government intends to confer upon all
  10 --     recipients unlimited rights  equal to those held by the Government.
  11 --     These rights include rights to use, duplicate, release or disclose the
  12 --     released technical data and computer software in whole or in part, in
  13 --     any manner and for any purpose whatsoever, and to have or permit others
  14 --     to do so.
  15 --
  16 --                                    DISCLAIMER
  17 --
  18 --     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
  19 --     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
  20 --     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
  21 --     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
  22 --     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
  23 --     PARTICULAR PURPOSE OF SAID MATERIAL.
  24 --*
  25 --
  26 -- OBJECTIVE:
  27 --      See CA110042.AM
  28 --
  29 -- TEST DESCRIPTION:
  30 --      See CA110042.AM
  31 --
  32 -- TEST FILES:
  33 --      The following files comprise this test:
  34 --
  35 --         CA110040.A
  36 --      => CA110041.A
  37 --         CA110042.AM
  38 --
  39 -- CHANGE HISTORY:
  40 --      06 Dec 94   SAIC    ACVC 2.0
  41 --      26 Apr 96   SAIC    ACVC 2.1: Modified prologue.
  42 --
  43 --!
  44
  45 package CA110040.CA110041 is         -- Child Package Computer_System.Manager
  46
  47    type User_Account is new Account with private;
  48
  49    procedure Initialize_User_Account (Acct : out User_Account);
  50
  51 private
  52
  53 -- The private portion of this spec demonstrates that components contained
  54 -- in the visible part of the parent are directly visible in the private
  55 -- part of a public child.
  56
  57    type Account_Access_Type is (None, Guest, User, System);
  58
  59    type User_Account is new Account with                   -- Parent type.
  60       record
  61          Privilege : Account_Access_Type := None;
  62       end record;
  63
  64    System_Account : User_Account :=
  65      (User_ID   => Administrator_Account.User_ID,          -- Parent constant.
  66       Privilege => System);                                -- User_ID has been
  67                                                            -- set to 1.
  68    Auditor_Account : User_Account :=
  69      (User_ID   => Next_Available_ID,                      -- Parent function.
  70       Privilege => System);                                -- User_ID has been
  71                                                            -- set to 2.
  72    Total_Authorized_Accounts : System_Account_Capacity
  73      renames Total_Accounts;                               -- Parent object.
  74
  75    Unauthorized_Account : exception
  76      renames Illegal_Account;                              -- Parent exception
  77
  78 end CA110040.CA110041;             -- Child Package Computer_System.Manager
  79
  80      --=================================================================--
  81
  82                                  -- Child Package body Computer_System.Manager
  83 package body CA110040.CA110041 is
  84
  85    function  Account_Limit_Reached  return Boolean is
  86    begin
  87       if Total_Authorized_Accounts = Maximum_System_Accounts then
  88          return (True);
  89       else
  90          return (False);
  91       end if;
  92    end Account_Limit_Reached;
  93    ---------------------------------------------------------------
  94    function Valid_Account (Acct : User_Account) return Boolean is
  95       Result : Boolean := False;
  96    begin
  97       if (Acct.User_ID /= System_Account.User_ID) and
  98          (Acct.User_ID /= Auditor_Account.User_ID)
  99       then
 100          Result := True;
 101       end if;
 102       return (Result);
 103    end Valid_Account;
 104    ---------------------------------------------------------------
 105    procedure Initialize_User_Account (Acct : out User_Account) is
 106    begin
 107       if Account_Limit_Reached then
 108          raise Account_Limit_Exceeded;
 109       else
 110          Acct.User_ID := Next_Available_ID;
 111          Acct.Privilege := User;
 112       end if;
 113       if not Valid_Account (Acct) then
 114          raise Unauthorized_Account;
 115       end if;
 116    end Initialize_User_Account;
 117
 118 end CA110040.CA110041;          -- Child Package body Computer_System.Manager