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Diffstat (limited to 'gcc/testsuite/ada/acats/tests/cd/cd33001.a')
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diff --git a/gcc/testsuite/ada/acats/tests/cd/cd33001.a b/gcc/testsuite/ada/acats/tests/cd/cd33001.a new file mode 100644 index 000000000..82555054a --- /dev/null +++ b/gcc/testsuite/ada/acats/tests/cd/cd33001.a @@ -0,0 +1,139 @@ +-- CD33001.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 Component_Sizes that are a factor of the word +-- size are supported. +-- +-- Check that for such Component_Sizes arrays contain no gaps between +-- components. +-- +-- TEST DESCRIPTION: +-- This test defines three array types and specifies their layouts +-- using representation specifications for the 'Component_Size and +-- pragma Packs for each. It then checks that the implied assumptions +-- about the resulting layout actually can be made. +-- +-- 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 +-- 07 MAY 96 SAIC Revised for 2.1 +-- 24 AUG 96 SAIC Additional 2.1 revisions +-- 17 FEB 97 PWB.CTA Corrected prefix of 'Component_Size to name +-- array object instead of array subtype +-- 16 FEB 98 EDS Modified documentation. +--! + +----------------------------------------------------------------- CD33001_0 + +with System; +package CD33001_0 is + + S_Units_per_Word : constant := System.Word_Size/System.Storage_Unit; + + type Nibble is mod 2**4; + + type Byte is mod 2**8; + + type Half_Stuff is array(Natural range <>) of Nibble; + for Half_Stuff'Component_Size + use System.Word_Size / 2; -- factor -- ANX-C RQMT. + pragma Pack(Half_Stuff); -- ANX-C RQMT. + + type Word_Stuff is array(Natural range <>) of Byte; + for Word_Stuff'Component_Size + use System.Word_Size; -- ANX-C RQMT. + + type Address_Calculator is record + Item_1 : Nibble; + Item_2 : Nibble; + end record; + + for Address_Calculator use record + Item_1 at 0 range 0..3; + Item_2 at 1 range 0..3; + end record; + + -- given that Item_1 is specified to be at 'Position = 0 and + -- Item_2 is specified to be at 'Position = 1 + -- by definition (13.5.2(2)) abs(Item_2'Address - Item_1'Address) = 1 + +end CD33001_0; + +-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- + +-- there is no package body CD33001_0 + +------------------------------------------------------------------- CD33001 + +with Report; +with System.Storage_Elements; +with CD33001_0; +procedure CD33001 is + + use type System.Storage_Elements.Storage_Offset; + + A_Half : CD33001_0.Half_Stuff(0..15); + + A_Word : CD33001_0.Word_Stuff(0..15); + + procedure Unexpected( Message : String; Wanted, Got: Integer ) is + begin + Report.Failed( Message & " Wanted:" + & Integer'Image(Wanted) & " Got:" & Integer'Image(Got) ); + end Unexpected; + +begin -- Main test procedure. + + Report.Test ("CD33001", "Check that Component_Sizes that are factor of " & + "the word size are supported. Check that for " & + "such Component_Sizes arrays contain no gaps " & + "between components" ); + + if A_Half'Size /= A_Half'Component_Size * 16 then + Unexpected("Half word Size", + CD33001_0.Half_Stuff'Component_Size * 16, + A_Half'Size ); + end if; + + if A_Word(1)'Size /= System.Word_Size then + Unexpected("Word Size", System.Word_Size, A_Word(1)'Size ); + end if; + + + Report.Result; + +end CD33001; |