-- CB20003.A
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-- CB20003.A
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--
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--
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-- Grant of Unlimited Rights
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-- Grant of Unlimited Rights
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--
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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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-- 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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-- 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 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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-- 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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-- 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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-- 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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-- 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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-- 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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-- any manner and for any purpose whatsoever, and to have or permit others
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-- to do so.
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-- to do so.
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--
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--
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-- DISCLAIMER
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-- DISCLAIMER
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--
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--
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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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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-- 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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-- 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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-- 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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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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--*
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--
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--
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-- OBJECTIVE:
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-- OBJECTIVE:
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-- Check that exceptions can be raised, reraised, and handled in an
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-- Check that exceptions can be raised, reraised, and handled in an
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-- accessed subprogram.
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-- accessed subprogram.
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--
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--
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--
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--
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-- TEST DESCRIPTION:
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-- TEST DESCRIPTION:
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-- Declare a record type, with one component being an access to
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-- Declare a record type, with one component being an access to
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-- subprogram type. Various subprograms are defined to fit the profile
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-- subprogram type. Various subprograms are defined to fit the profile
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-- of this access type, such that the record component can refer to
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-- of this access type, such that the record component can refer to
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-- any of the subprograms.
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-- any of the subprograms.
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--
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--
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-- Each of the subprograms raises a different exception, based on the
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-- Each of the subprograms raises a different exception, based on the
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-- value of an input parameter. Exceptions are 1) raised, handled with
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-- value of an input parameter. Exceptions are 1) raised, handled with
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-- an others handler, reraised and propagated to main to be handled in
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-- an others handler, reraised and propagated to main to be handled in
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-- a specific handler; 2) raised, handled in a specific handler, reraised
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-- a specific handler; 2) raised, handled in a specific handler, reraised
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-- and propagated to the main to be handled in an others handler there,
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-- and propagated to the main to be handled in an others handler there,
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-- and 3) raised and propagated directly to the caller by the subprogram.
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-- and 3) raised and propagated directly to the caller by the subprogram.
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--
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--
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-- Boolean variables are set throughout the test to ensure that correct
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-- Boolean variables are set throughout the test to ensure that correct
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-- exception processing has occurred, and these variables are verified at
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-- exception processing has occurred, and these variables are verified at
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-- the conclusion of the test.
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-- the conclusion of the test.
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--
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--
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--
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--
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-- CHANGE HISTORY:
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-- CHANGE HISTORY:
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-- 06 Dec 94 SAIC ACVC 2.0
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-- 06 Dec 94 SAIC ACVC 2.0
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--
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--
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--!
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--!
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package CB20003_0 is -- package Push_Buttons
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package CB20003_0 is -- package Push_Buttons
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Non_Default_Priority,
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Non_Default_Priority,
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Non_Alert_Priority,
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Non_Alert_Priority,
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Non_Emergency_Priority : exception;
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Non_Emergency_Priority : exception;
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Handled_With_Others,
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Handled_With_Others,
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Reraised_In_Subprogram,
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Reraised_In_Subprogram,
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Handled_In_Caller : Boolean := False;
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Handled_In_Caller : Boolean := False;
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subtype Priority_Type is Integer range 1 .. 10;
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subtype Priority_Type is Integer range 1 .. 10;
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Default_Priority : Priority_Type := 1;
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Default_Priority : Priority_Type := 1;
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Alert_Priority : Priority_Type := 3;
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Alert_Priority : Priority_Type := 3;
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Emergency_Priority : Priority_Type := 5;
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Emergency_Priority : Priority_Type := 5;
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type Button is tagged private; -- Private tagged type.
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type Button is tagged private; -- Private tagged type.
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type Button_Response_Ptr is access procedure (P : in Priority_Type;
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type Button_Response_Ptr is access procedure (P : in Priority_Type;
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B : in out Button);
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B : in out Button);
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-- Procedures accessible with Button_Response_Ptr type.
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-- Procedures accessible with Button_Response_Ptr type.
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procedure Default_Response (P : in Priority_Type;
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procedure Default_Response (P : in Priority_Type;
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B : in out Button);
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B : in out Button);
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procedure Alert_Response (P : in Priority_Type;
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procedure Alert_Response (P : in Priority_Type;
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B : in out Button);
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B : in out Button);
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procedure Emergency_Response (P : in Priority_Type;
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procedure Emergency_Response (P : in Priority_Type;
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B : in out Button);
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B : in out Button);
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procedure Push (B : in out Button;
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procedure Push (B : in out Button;
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P : in Priority_Type);
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P : in Priority_Type);
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procedure Set_Response (B : in out Button;
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procedure Set_Response (B : in out Button;
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R : in Button_Response_Ptr);
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R : in Button_Response_Ptr);
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private
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private
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type Button is tagged
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type Button is tagged
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record
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record
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Priority : Priority_Type := Default_Priority;
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Priority : Priority_Type := Default_Priority;
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Response : Button_Response_Ptr := Default_Response'Access;
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Response : Button_Response_Ptr := Default_Response'Access;
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end record;
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end record;
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end CB20003_0; -- package Push_Buttons
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end CB20003_0; -- package Push_Buttons
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--=================================================================--
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--=================================================================--
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with Report;
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with Report;
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package body CB20003_0 is -- package Push_Buttons
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package body CB20003_0 is -- package Push_Buttons
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procedure Push (B : in out Button;
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procedure Push (B : in out Button;
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P : in Priority_Type) is
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P : in Priority_Type) is
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begin -- Invoking subprogram designated
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begin -- Invoking subprogram designated
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B.Response (P, B); -- by access value.
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B.Response (P, B); -- by access value.
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end Push;
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end Push;
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procedure Set_Response (B : in out Button;
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procedure Set_Response (B : in out Button;
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R : in Button_Response_Ptr) is
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R : in Button_Response_Ptr) is
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begin
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begin
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B.Response := R; -- Set procedure value in record
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B.Response := R; -- Set procedure value in record
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end Set_Response;
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end Set_Response;
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procedure Default_Response (P : in Priority_Type;
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procedure Default_Response (P : in Priority_Type;
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B : in out Button) is
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B : in out Button) is
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begin
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begin
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if (P > Default_Priority) then
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if (P > Default_Priority) then
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raise Non_Default_Priority;
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raise Non_Default_Priority;
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Report.Failed ("Exception not raised in procedure body");
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Report.Failed ("Exception not raised in procedure body");
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else
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else
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B.Priority := P;
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B.Priority := P;
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end if;
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end if;
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exception
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exception
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when others => -- Catch exception with others handler
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when others => -- Catch exception with others handler
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Handled_With_Others := True; -- Successfully caught with "others"
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Handled_With_Others := True; -- Successfully caught with "others"
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raise;
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raise;
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Report.Failed ("Exception not reraised in handler");
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Report.Failed ("Exception not reraised in handler");
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end Default_Response;
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end Default_Response;
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procedure Alert_Response (P : in Priority_Type;
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procedure Alert_Response (P : in Priority_Type;
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B : in out Button) is
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B : in out Button) is
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begin
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begin
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if (P > Alert_Priority) then
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if (P > Alert_Priority) then
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raise Non_Alert_Priority;
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raise Non_Alert_Priority;
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Report.Failed ("Exception not raised in procedure body");
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Report.Failed ("Exception not raised in procedure body");
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else
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else
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B.Priority := P;
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B.Priority := P;
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end if;
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end if;
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exception
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exception
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when Non_Alert_Priority =>
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when Non_Alert_Priority =>
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Reraised_In_Subprogram := True;
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Reraised_In_Subprogram := True;
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raise; -- Propagate to caller.
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raise; -- Propagate to caller.
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Report.Failed ("Exception not reraised in procedure excpt handler");
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Report.Failed ("Exception not reraised in procedure excpt handler");
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when others =>
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when others =>
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Report.Failed ("Incorrect exception raised/handled");
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Report.Failed ("Incorrect exception raised/handled");
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end Alert_Response;
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end Alert_Response;
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procedure Emergency_Response (P : in Priority_type;
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procedure Emergency_Response (P : in Priority_type;
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B : in out Button) is
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B : in out Button) is
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begin
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begin
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if (P > Emergency_Priority) then
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if (P > Emergency_Priority) then
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raise Non_Emergency_Priority;
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raise Non_Emergency_Priority;
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Report.Failed ("Exception not raised in procedure body");
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Report.Failed ("Exception not raised in procedure body");
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else
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else
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B.Priority := P;
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B.Priority := P;
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end if;
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end if;
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-- No exception handler here, exception will be propagated to caller.
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-- No exception handler here, exception will be propagated to caller.
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end Emergency_Response;
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end Emergency_Response;
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end CB20003_0; -- package Push_Buttons
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end CB20003_0; -- package Push_Buttons
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--=================================================================--
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--=================================================================--
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with Report;
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with Report;
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with CB20003_0; -- package Push_Buttons
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with CB20003_0; -- package Push_Buttons
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procedure CB20003 is
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procedure CB20003 is
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package Push_Buttons renames CB20003_0;
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package Push_Buttons renames CB20003_0;
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Console_Button : Push_Buttons.Button;
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Console_Button : Push_Buttons.Button;
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begin
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begin
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Report.Test ("CB20003", "Check that exceptions can be raised, " &
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Report.Test ("CB20003", "Check that exceptions can be raised, " &
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"reraised, and handled in a subprogram " &
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"reraised, and handled in a subprogram " &
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"referenced by an access to subprogram value");
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"referenced by an access to subprogram value");
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Default_Response_Processing: -- The exception
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Default_Response_Processing: -- The exception
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-- Handled_With_Others is to
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-- Handled_With_Others is to
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-- be caught with an others
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-- be caught with an others
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-- handler in Default_Resp.,
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-- handler in Default_Resp.,
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-- reraised, and handled with
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-- reraised, and handled with
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-- a specific handler here.
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-- a specific handler here.
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begin
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begin
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Push_Buttons.Push (Console_Button, -- Raise exception that will
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Push_Buttons.Push (Console_Button, -- Raise exception that will
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Report.Ident_Int(2)); -- be handled in procedure.
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Report.Ident_Int(2)); -- be handled in procedure.
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exception
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exception
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when Push_Buttons.Non_Default_Priority =>
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when Push_Buttons.Non_Default_Priority =>
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if not Push_Buttons.Handled_With_Others then -- Not reraised in
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if not Push_Buttons.Handled_With_Others then -- Not reraised in
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-- procedure.
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-- procedure.
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Report.Failed
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Report.Failed
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("Exception not handled/reraised in procedure");
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("Exception not handled/reraised in procedure");
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end if;
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end if;
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when others =>
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when others =>
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Report.Failed ("Exception handled in " &
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Report.Failed ("Exception handled in " &
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" Default_Response_Processing block");
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" Default_Response_Processing block");
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end Default_Response_Processing;
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end Default_Response_Processing;
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Alert_Response_Processing:
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Alert_Response_Processing:
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begin
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begin
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Push_Buttons.Set_Response (Console_Button,
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Push_Buttons.Set_Response (Console_Button,
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Push_Buttons.Alert_Response'access);
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Push_Buttons.Alert_Response'access);
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Push_Buttons.Push (Console_Button, -- Raise exception that will
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Push_Buttons.Push (Console_Button, -- Raise exception that will
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Report.Ident_Int(4)); -- be handled in procedure,
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Report.Ident_Int(4)); -- be handled in procedure,
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-- reraised, and propagated
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-- reraised, and propagated
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-- to caller.
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-- to caller.
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Report.Failed ("Exception not propagated to caller " &
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Report.Failed ("Exception not propagated to caller " &
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"in Alert_Response_Processing block");
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"in Alert_Response_Processing block");
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exception
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exception
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when Push_Buttons.Non_Alert_Priority =>
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when Push_Buttons.Non_Alert_Priority =>
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if not Push_Buttons.Reraised_In_Subprogram then -- Not reraised in
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if not Push_Buttons.Reraised_In_Subprogram then -- Not reraised in
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-- procedure.
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-- procedure.
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Report.Failed ("Exception not reraised in procedure");
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Report.Failed ("Exception not reraised in procedure");
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end if;
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end if;
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when others =>
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when others =>
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Report.Failed ("Exception handled in " &
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Report.Failed ("Exception handled in " &
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" Alert_Response_Processing block");
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" Alert_Response_Processing block");
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end Alert_Response_Processing;
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end Alert_Response_Processing;
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Emergency_Response_Processing:
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Emergency_Response_Processing:
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begin
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begin
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Push_Buttons.Set_Response (Console_Button,
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Push_Buttons.Set_Response (Console_Button,
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Push_Buttons.Emergency_Response'access);
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Push_Buttons.Emergency_Response'access);
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Push_Buttons.Push (Console_Button, -- Raise exception that will
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Push_Buttons.Push (Console_Button, -- Raise exception that will
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Report.Ident_Int(6)); -- be propagated directly to
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Report.Ident_Int(6)); -- be propagated directly to
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-- caller.
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-- caller.
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Report.Failed ("Exception not propagated to caller " &
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Report.Failed ("Exception not propagated to caller " &
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"in Emergency_Response_Processing block");
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"in Emergency_Response_Processing block");
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exception
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exception
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when Push_Buttons.Non_Emergency_Priority =>
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when Push_Buttons.Non_Emergency_Priority =>
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Push_Buttons.Handled_In_Caller := True;
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Push_Buttons.Handled_In_Caller := True;
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when others =>
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when others =>
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Report.Failed ("Exception handled in " &
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Report.Failed ("Exception handled in " &
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" Emergency_Response_Processing block");
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" Emergency_Response_Processing block");
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end Emergency_Response_Processing;
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end Emergency_Response_Processing;
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if not (Push_Buttons.Handled_With_Others and
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if not (Push_Buttons.Handled_With_Others and
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Push_Buttons.Reraised_In_Subprogram and
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Push_Buttons.Reraised_In_Subprogram and
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Push_Buttons.Handled_In_Caller )
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Push_Buttons.Handled_In_Caller )
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then
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then
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Report.Failed ("Incorrect exception handling in referenced subprograms");
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Report.Failed ("Incorrect exception handling in referenced subprograms");
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end if;
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end if;
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Report.Result;
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Report.Result;
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end CB20003;
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end CB20003;
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