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Diffstat (limited to 'gcc/testsuite/ada/acats/tests/c3/c393008.a')
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diff --git a/gcc/testsuite/ada/acats/tests/c3/c393008.a b/gcc/testsuite/ada/acats/tests/c3/c393008.a new file mode 100644 index 000000000..d2d2aefed --- /dev/null +++ b/gcc/testsuite/ada/acats/tests/c3/c393008.a @@ -0,0 +1,204 @@ +-- C393008.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. +--* +-- +-- TEST OBJECTIVE: +-- Check that an extended type can be derived from an abstract type. +-- +-- TEST DESCRIPTION: +-- Declare a tagged record; declare an abstract +-- primitive operation and a non-abstract primitive operation of the +-- type. Derive an extended type from it, including a new component. +-- Use the derived type, the overriding operation and the inherited +-- operation to instantiate a generic package. The overriding operation +-- calls a new primitive operation and an inherited operation [so the +-- instantiation must get this sorted out correctly]. +-- +-- +-- CHANGE HISTORY: +-- 06 Dec 94 SAIC ACVC 2.0 +-- +--! + +with Report; +with TCTouch; +procedure C393008 is + +package C393008_0 is + + type Status_Enum is (No_Status, Handled, Unhandled, Pending); + + type Alert_Type is abstract tagged record + Status : Status_Enum; + Reply : Boolean; + Urgent : Boolean; + end record; + + subtype Serial_Number is Integer range 0..Integer'last; + Serial_Num : Serial_Number := 0; + + procedure Handle (A : in out Alert_Type) is abstract; + -- abstract primitive operation + + -- the procedure Init would be _nice_ have this procedure be non_abstract + -- and create a "base" object with a "null" constraint. The language + -- will not allow this due to the restriction that an object of an + -- abstract type cannot be created. Hence Init must be abstract, + -- requiring any type derived directly from Alert_Type to declare + -- an Init. + -- + -- In light of this, I have changed init to a function to more closely + -- model the typical usage of OO features... + + function Init return Alert_Type is abstract; + + procedure No_Reply (A : in out Alert_Type); + +end C393008_0; + +--=======================================================================-- + +package body C393008_0 is + + procedure No_Reply (A : in out Alert_Type) is + begin -- primitive operation, not abstract + TCTouch.Touch('A'); ------------------------------------------------- A + if A.Status = Handled then + A.Reply := False; + end if; + end No_Reply; + +end C393008_0; + +--=======================================================================-- + + generic + -- pass in the Alert_Type object, including its + -- operations + type Data_Type is new C393008_0.Alert_Type with private; + -- note that Alert_Type is abstract, so it may not be + -- used as an actual parameter + with procedure Update (P : in out Data_Type) is <>; -- generic formal + with function Initialize return Data_Type is <>; -- generic formal + + package C393008_1 is + -- Utilities + + procedure Modify (Item : in out Data_Type); + + end C393008_1; + -- Utilities + +--=======================================================================-- + + package body C393008_1 is + -- Utilities + + procedure Modify (Item : in out Data_Type) is + begin + TCTouch.Touch('B'); --------------------------------------------- B + Item := Initialize; + Update (Item); + end Modify; + + end C393008_1; + +--=======================================================================-- + + package C393008_2 is + + type Low_Alert_Type is new C393008_0.Alert_Type with record + Serial : C393008_0.Serial_Number; + end record; + + procedure Serialize (LA : in out Low_Alert_Type); + + -- inherit No_Reply + + procedure Handle (LA : in out Low_Alert_Type); + + function Init return Low_Alert_Type; + end C393008_2; + + package body C393008_2 is + procedure Serialize (LA : in out Low_Alert_Type) is + begin -- new primitive operation + TCTouch.Touch('C'); ------------------------------------------------- C + C393008_0.Serial_Num := C393008_0.Serial_Num + 1; + LA.Serial := C393008_0.Serial_Num; + end Serialize; + + -- inherit No_Reply + + function Init return Low_Alert_Type is + TA: Low_Alert_Type; + begin + TCTouch.Touch('D'); ------------------------------------------------- D + Serialize( TA ); + TA.Status := C393008_0.No_Status; + return TA; + end Init; + + procedure Handle (LA : in out Low_Alert_Type) is + begin -- overrides abstract inherited Handle + TCTouch.Touch('E'); ------------------------------------------------- E + Serialize (LA); + LA.Reply := False; + LA.Status := C393008_0.Handled; + No_Reply (LA); + end Handle; + + end C393008_2; + + use C393008_2; + + package Alert_Utilities is new + C393008_1 (Data_Type => Low_Alert_Type, + Update => Handle, -- Low_Alert's Handle + Initialize => Init); -- inherited from Alert + + Item : Low_Alert_Type; + + use type C393008_0.Status_Enum; + +begin + + Report.Test ("C393008", "Check that an extended type can be derived "& + "from an abstract type"); + + Item := Init; + if (Item.Status /= C393008_0.No_Status) or (Item.Serial /=1) then + Report.Failed ("Wrong initialization"); + end if; + TCTouch.Validate("DC", "Initialization Call"); + + Alert_Utilities.Modify (Item); + if (Item.Status /= C393008_0.Handled) or (Item.Serial /= 3) then + Report.Failed ("Wrong results from Modify"); + end if; + TCTouch.Validate("BDCECA", "Generic Instance Call"); + + Report.Result; + +end C393008; |