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1 294 jeremybenn
-- CD10001.A
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--
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--                             Grant of Unlimited Rights
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--
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--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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--     unlimited rights in the software and documentation contained herein.
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--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
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--     this public release, the Government intends to confer upon all
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--     recipients unlimited rights  equal to those held by the Government.
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--     These rights include rights to use, duplicate, release or disclose the
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--     released technical data and computer software in whole or in part, in
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--     any manner and for any purpose whatsoever, and to have or permit others
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--     to do so.
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--
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--                                    DISCLAIMER
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--
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--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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--     PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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--
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-- OBJECTIVE:
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--      Check that representation items may contain nonstatic expressions
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--      in the case that each expression in  the representation item is a
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--      name that statically denotes a constant declared before the entity.
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--
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--
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-- TEST DESCRIPTION:
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--      For each of the specific items in the objective, this test checks
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--      an example of each of the categories of representation specification
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--      that are applicable to that objective, to wit:
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--        address clause ....................... Expressions need not be static
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--        alignment clause ..................... Expressions must be static
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--        bit order clause ..................... Not tested
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--        component size clause ................ Expressions must be static
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--        enumeration representation clause .... Expressions must be static
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--        external tag clause .................. Expressions must be static
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--        Import, Export and Convention pragmas  Not tested
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--        input clause ......................... Not tested
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--        output clause ........................ Not tested
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--        Pack pragma .......................... Not tested
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--        read clause .......................... Not tested
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--        record representation clause ......... Expressions must be static
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--        size clause .......................... Expressions must be static
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--        small clause ......................... Expressions must be static
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--        storage pool clause .................. Not tested
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--        storage size clause .................. Expressions must be static
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--        write clause ......................... Not tested
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--
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-- APPLICABILITY CRITERIA:
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--      All implementations must attempt to compile this test.
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--
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--      For implementations validating against Systems Programming Annex (C):
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--        this test must execute.
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--
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--      For implementations not validating against Annex C:
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--        if this test compiles without error messages at compilation,
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--        it must bind and execute.
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--
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-- PASS/FAIL CRITERIA:
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--      For implementations validating against Systems Programming Annex (C):
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--        this test must execute, report PASSED, and complete normally,
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--        otherwise the test FAILS
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--
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--      For implementations not validating against Annex C:
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--        PASSING behavior is:
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--          this test executes, reports PASSED, and completes normally
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--        or
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--          this test executes and reports NOT_APPLICABLE
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--        or
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--          this test produces at least one error message at compilation, and
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--          the error message is associated with one of the items marked:
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--             -- N/A => ERROR.
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--
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--      All other behaviors are FAILING.
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--
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-- CHANGE HISTORY:
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--      11 JUL 95   SAIC  Initial version
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--      10 MAR 97   PWB.CTA Made Nonstatic_Entity nonstatic; changed
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--                        Tenths'Small from 1.0/32.0 to 1.0/10.0,
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--                        as expected by the later check; improved
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--                        internal documentation.
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--      16 FEB 98   EDS   Modified test documentation.
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--      24 NOV 98   RLB   Changed Tenths'Small to 1.0/32.0, as this is
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--                        necessary so that all implementations can
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--                        process this test. (3.5.9(21) means non-binary
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--                        smalls are optional.)
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--      11 MAR 99   RLB   Merged versions. Most EDS changes removed (as
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--                        they made the test less applicable than the ACAA
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--                        version).
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--!
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----------------------------------------------------------------- CD10001_0
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with System;
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with System.Storage_Elements;
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with Impdef;
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with SPPRT13;
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package CD10001_0 is
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  -- a few types and objects to work with.
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  type Int is range -2048 .. 2047;
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  My_Int : Int := 1024;
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  type Enumeration is (First, Second, Third, Fourth, Fifth);
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  -- a few names that statically denote constants:
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  Nonstatic_Entity : constant System.Address :=                  -- Non-static
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     System.Storage_Elements."+"
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       ( SPPRT13.Variable_Address,
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         System.Storage_Elements.Storage_Offset'(0) );
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  Tag_String : constant String := Impdef.External_Tag_Value;     -- Static
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  -- Check to ensure that Tag_String is static
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  Tag_String_Length : constant := Tag_String'Length;
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  A_Reasonable_Size_Value : constant := System.Storage_Unit;     -- Static
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  Zero  : constant := 0;                                         -- Static
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  One   : constant := 1;                                         -- Static
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  Two   : constant := 2;                                         -- Static
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  Three : constant := 3;                                         -- Static
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  Four  : constant := 4;                                         -- Static
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  Five  : constant := 5;                                         -- Static
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  K : constant Int := My_Int;                                    -- Non-Static
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--      Check that representation items containing nonstatic expressions are
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--      supported in the case that the representation item is a name that
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--      statically denotes a constant declared before the entity.
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--
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--        address clause
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--        Expression must be static - RM 13.3(12)
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  Object_Address : Enumeration;
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    for Object_Address'Address use Nonstatic_Entity;          -- N/A => ERROR.
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--        alignment clause
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--        Expression must be static - RM 13.3(25)
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  Object_Alignment : Enumeration;
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    for Object_Alignment'Alignment use One;                   -- N/A => ERROR.
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--        bit order clause
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-- no interesting test can be specified
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--        component size clause
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--        Expression must be static - RM 13.3(69)
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  type Array_With_Components is array(1..10) of Enumeration;
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    for Array_With_Components'Component_Size
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      use A_Reasonable_Size_Value;                            -- N/A => ERROR.
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--        enumeration representation clause
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--        Expressions must be static - RM 13.4(6)
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  type Enumeration_1 is (First, Second, Third);
165
  for Enumeration_1 use (First => One, Second => Two, Third => Three);
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--        external tag clause
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--        Expression must be static - RM 13.3(75)
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  type Some_Tagged_Type is tagged null record;
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    for Some_Tagged_Type'External_Tag use Tag_String;         -- N/A => ERROR.
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173
--        Import, Export and Convention pragmas
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-- no interesting test can be specified
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176
--        input clause
177
-- no interesting test can be specified
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179
--        output clause
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-- no interesting test can be specified
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182
--        Pack pragma
183
-- no interesting test can be specified
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--        read clause
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-- no interesting test can be specified
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--        record representation clause
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--        Expressions must be static - RM 13.3(10)
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  type Record_To_Layout is record
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    Bit_0 : Boolean;
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    Bit_1 : Boolean;
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  end record;
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    for Record_To_Layout use record                           -- N/A => ERROR.
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      Bit_0 at Zero range Zero..Zero;                         -- N/A => ERROR.
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      Bit_1 at Zero range Four..Four;                         -- N/A => ERROR.
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    end record;                                               -- N/A => ERROR.
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--        size clause
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--        Expression must be static - RM 13.3(41)
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  Object_Size : Enumeration;
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    for Object_Size'Size use A_Reasonable_Size_Value;         -- N/A => ERROR.
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--        small clause
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--        Expression must be static - RM 3.5.10(2)
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  type Tenths is delta 0.1 range 0.0..10.0;
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    for Tenths'Small use 1.0 / (Two ** Five);                 -- N/A => ERROR.
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--        storage pool clause
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--        Not tested
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--        storage size clause
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--        Expression may be non-static - RM 13.11(15)
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  type Reference is access Record_To_Layout;
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    for Reference'Storage_Size use Four * K;                  -- N/A => ERROR.
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--        write clause
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-- no interesting test can be specified
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224
  procedure TC_Check_Values;
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end CD10001_0;
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-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
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with TCTouch;
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package body CD10001_0 is
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  use type System.Address;
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  procedure Assert( Truth : Boolean; Message: String ) is
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  begin
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    if not Truth then
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      TCTouch.Implementation_Check( Message );
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    end if;
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  end Assert;
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  procedure TC_Check_Values is
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    Record_Object : Record_To_Layout;
244
  begin
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    Assert(Object_Address'Address = Nonstatic_Entity,
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           "Object not at specified address");
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    Assert(Object_Alignment'Alignment >= One,
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           "Object not at specified alignment");
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    Assert(Array_With_Components'Component_Size = A_Reasonable_Size_Value,
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           "Array Components not specified size");
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-- I don't see how to reliably check this one:
256
--
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--  type Enumeration_1 is (First, Second, Third);
258
--  for Enumeration_1 use (First => One, Second => Two, Third => Three);
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260
    Assert(Some_Tagged_Type'External_Tag = Tag_String,
261
           "External_Tag not specified value");
262
    Assert(Record_Object.Bit_0'First_Bit = Zero,
263
          "Record object First_Bit not zero");
264
 
265
    Assert(Record_Object.Bit_1'Last_Bit = Four,
266
          "Record object Last_Bit not four");
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268
    Assert(Object_Size'Size = A_Reasonable_Size_Value,
269
           "Object size not specified value");
270
 
271
    Assert(Tenths'Small = 1.0 / Two ** Five,
272
           "Tenths small not specified value");
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274
    Assert(Reference'Storage_Size = 4096, -- Four * K,
275
           "Reference storage size not specified value");
276
 
277
  end TC_Check_Values;
278
 
279
end CD10001_0;
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------------------------------------------------------------------- CD10001
282
 
283
with Report;
284
with CD10001_0;
285
 
286
procedure CD10001 is
287
 
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begin  -- Main test procedure.
289
 
290
  Report.Test ("CD10001", "Check that representation items containing " &
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                          "nonstatic expressions are supported in the " &
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                          "case that the representation item is a name " &
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                          "that statically denotes a constant declared " &
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                          "before the entity" );
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  CD10001_0.TC_Check_Values;
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  Report.Result;
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end CD10001;

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