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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;
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