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+-- CD30003.A
+--
+-- Grant of Unlimited Rights
+--
+-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
+-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
+-- unlimited rights in the software and documentation contained herein.
+-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
+-- this public release, the Government intends to confer upon all
+-- recipients unlimited rights equal to those held by the Government.
+-- These rights include rights to use, duplicate, release or disclose the
+-- released technical data and computer software in whole or in part, in
+-- any manner and for any purpose whatsoever, and to have or permit others
+-- to do so.
+--
+-- DISCLAIMER
+--
+-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
+-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
+-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
+-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
+-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
+-- PARTICULAR PURPOSE OF SAID MATERIAL.
+--*
+--
+-- OBJECTIVE:
+-- Check that a Size clause for an object is supported if the specified
+-- size is at least as large as the subtype's size, and correspond to a
+-- size in storage elements that is a multiple of the object's (non-zero)
+-- Alignment. RM 13.3(43)
+--
+-- TEST DESCRIPTION:
+-- This test defines several types and then asserts specific sizes for
+-- the, it then checks that the size set is reported back.
+--
+-- APPLICABILITY CRITERIA:
+-- All implementations must attempt to compile this test.
+--
+-- For implementations validating against Systems Programming Annex (C):
+-- this test must execute and report PASSED.
+--
+-- For implementations not validating against Annex C:
+-- this test may report compile time errors at one or more points
+-- indicated by "-- ANX-C RQMT", in which case it may be graded as inapplicable.
+-- Otherwise, the test must execute and report PASSED.
+--
+--
+-- CHANGE HISTORY:
+-- 22 JUL 95 SAIC Initial version
+-- 08 MAY 96 SAIC Corrected and strengthened for 2.1
+-- 14 FEB 97 PWB.CTA Changed 'Size specifications to multiples
+-- of System.Storage_Unit; restricted 'Size spec
+-- for enumeration object to max integer size.
+-- 16 FEB 98 EDS Modify Documentation.
+-- 25 JAN 99 RLB Repaired to properly set and check sizes.
+-- 29 JAN 99 RLB Added Pack pragma needed for some implementations.
+-- Corrected to support a Storage_Unit size < 8.
+--!
+
+------------------------------------------------------------------- CD30003
+
+with Report;
+with System;
+procedure CD30003 is
+
+ ---------------------------------------------------------------------------
+ -- types and subtypes
+ ---------------------------------------------------------------------------
+
+ type Bit is mod 2**1;
+ for Bit'Size use 1; -- ANX-C RQMT.
+
+ type Byte is mod 2**8;
+ for Byte'Size use 8; -- ANX-C RQMT.
+
+ type Smallword is mod 2**8;
+ for Smallword'size use 16; -- ANX-C RQMT.
+
+ type Byte_Array is array(1..4) of Byte;
+ pragma Pack(Byte_Array); -- ANX-C RQMT.
+ -- size should be 32
+
+ type Smallword_Array is array(1..4) of Smallword;
+ pragma Pack(Smallword_Array); -- Required if Storage_Unit > 16. -- ANX-C RQMT.
+
+ -- Use to calulate maximum required size:
+ type Max_Modular is mod System.Max_Binary_Modulus;
+ type Max_Integer is range System.Min_Int .. System.Max_Int;
+ Enum_Size : constant := Integer'Min (32,
+ Integer'Min (Max_Modular'Size, Max_Integer'Size));
+ type Transmission_Data is ( Empty, Input, Output, IO, Control );
+ for Transmission_Data'Size use Enum_Size; -- ANX-C RQMT.
+
+ -- Sizes to try:
+
+ -- The basic sizes are based on a "normal" Storage_Unit = 8 implementation.
+ -- We then use formulas to insure that the specified sizes meet the
+ -- the minimum level of support and AI-0051.
+
+ Modular_Single_Size : constant := Integer'Min (((8 + (System.Storage_Unit-1))
+ /System.Storage_Unit)*System.Storage_Unit, Max_Modular'Size);
+ -- Calulate an appropriate, legal, and required to be supported size to
+ -- try, which is the size of Byte. Note that object sizes must be
+ -- a multiple of the storage unit for the compiler.
+
+ Modular_Double_Size : constant := Integer'Min (((16 + (System.Storage_Unit-1))
+ /System.Storage_Unit)*System.Storage_Unit, Max_Modular'Size);
+
+ Modular_Quad_Size : constant := Integer'Min (((32 + (System.Storage_Unit-1))
+ /System.Storage_Unit)*System.Storage_Unit, Max_Modular'Size);
+
+ Array_Quad_Size : constant := ((4 * 8 + (System.Storage_Unit-1))
+ /System.Storage_Unit)*System.Storage_Unit;
+
+ Array_Octo_Size : constant := ((4 * 16 + (System.Storage_Unit-1))
+ /System.Storage_Unit)*System.Storage_Unit;
+
+ Rounded_Enum_Size : constant := ((Enum_Size + (System.Storage_Unit-1))
+ /System.Storage_Unit)*System.Storage_Unit;
+
+ Enum_Quad_Size : constant := Integer'Min (((32 + (System.Storage_Unit-1))
+ /System.Storage_Unit)*System.Storage_Unit,
+ Integer'Min (Max_Modular'Size, Max_Integer'Size));
+
+
+ ---------------------------------------------------------------------------
+ -- objects
+ ---------------------------------------------------------------------------
+
+ Bit_8 : Bit :=0;
+ for Bit_8'Size use System.Storage_Unit; -- ANX-C RQMT.
+
+ Bit_G : Bit :=0;
+ for Bit_G'Size use Modular_Double_Size; -- ANX-C RQMT.
+
+ Byte_8 : Byte :=0;
+ for Byte_8'Size use Modular_Single_Size; -- ANX-C RQMT.
+
+ Byte_G : Byte :=0;
+ for Byte_G'Size use Modular_Double_Size; -- ANX-C RQMT.
+
+ Smallword_1 : Smallword :=0;
+ for Smallword_1'Size use Modular_Double_Size; -- ANX-C RQMT.
+
+ Smallword_2 : Smallword :=0;
+ for Smallword_2'Size use Modular_Quad_Size; -- ANX-C RQMT.
+
+ Byte_Array_1 : Byte_Array := (others=>0);
+ for Byte_Array_1'Size use Array_Quad_Size; -- ANX-C RQMT.
+
+ Smallword_Array_1 : Smallword_Array := (others=>0);
+ for Smallword_Array_1'Size use Array_Octo_Size; -- ANX-C RQMT.
+
+ Transmission_Data_1 : aliased Transmission_Data := Empty;
+
+ Transmission_Data_2 : Transmission_Data := Control;
+ for Transmission_Data_2'Size use Enum_Quad_Size; -- ANX-C RQMT.
+
+begin -- Main test procedure.
+
+ Report.Test ("CD30003", "Check that Size clauses are supported for " &
+ "values at least as large as the subtypes " &
+ "size, and correspond to a size in storage " &
+ "elements that is a multiple of the objects " &
+ "(non-zero) Alignment" );
+
+ if Bit_8'Size /= System.Storage_Unit then
+ Report.Failed("Expected Bit_8'Size =" & Integer'Image(System.Storage_Unit)
+ & " , actually =" & Integer'Image(Bit_8'Size));
+ end if;
+
+ if Bit_G'Size /= Modular_Double_Size then
+ Report.Failed("Expected Bit_G'Size =" & Integer'Image(Modular_Double_Size)
+ & " , actually =" & Integer'Image(Bit_G'Size));
+ end if;
+
+ if Byte_8'Size /= Modular_Single_Size then
+ Report.Failed("Expected Byte_8'Size =" & Integer'Image(Modular_Single_Size)
+ & " , actually =" & Integer'Image(Byte_8'Size));
+ end if;
+
+ if Byte_G'Size /= Modular_Double_Size then
+ Report.Failed("Expected Bit_G'Size =" & Integer'Image(Modular_Double_Size)
+ & " , actually =" & Integer'Image(Byte_G'Size));
+ end if;
+
+ if Smallword_1'Size /= Modular_Double_Size then
+ Report.Failed("Expected Smallword_1'Size =" &
+ Integer'Image(Modular_Double_Size) &
+ ", actually =" & Integer'Image(Smallword_1'Size));
+ end if;
+
+ if Smallword_2'Size /= Modular_Quad_Size then
+ Report.Failed("Expected Smallword_2'Size =" &
+ Integer'Image(Modular_Quad_Size) &
+ ", actually =" & Integer'Image(Smallword_2'Size));
+ end if;
+
+ if Byte_Array_1'Size /= Array_Quad_Size then
+ Report.Failed("Expected Byte_Array_1'Size =" &
+ Integer'Image(Array_Quad_Size) &
+ ", actually =" & Integer'Image(Byte_Array_1'Size));
+ end if;
+
+ if Smallword_Array_1'Size /= Array_Octo_Size then
+ Report.Failed(
+ "Expected Smallword_Array_1'Size =" &
+ Integer'Image(Array_Octo_Size) &
+ ", actually =" & Integer'Image(Smallword_Array_1'Size));
+ end if;
+
+ if Transmission_Data_1'Size /= Enum_Size and then
+ Transmission_Data_1'Size /= Rounded_Enum_Size then
+ Report.Failed(
+ "Expected Transmission_Data_1'Size =" & Integer'Image(Rounded_Enum_Size) &
+ ", actually =" & Integer'Image(Transmission_Data_1'Size));
+ end if;
+
+ if Transmission_Data_2'Size /= Enum_Quad_Size then
+ Report.Failed(
+ "Expected Transmission_Data_2'Size =" & Integer'Image(Enum_Quad_Size) &
+ ", actually =" & Integer'Image(Transmission_Data_2'Size));
+ end if;
+
+ Report.Result;
+
+end CD30003;