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-- CB20A02.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 the name and pertinent information about a user defined
-- exception are available to an enclosing program unit even when the
-- enclosing unit has no visibility into the scope where the exception
-- is declared and raised.
--
-- TEST DESCRIPTION:
-- Declare a subprogram nested within the test subprogram. The enclosing
-- subprogram does not have visibility into the nested subprogram.
-- Declare and raise an exception in the nested subprogram, and allow
-- the exception to propagate to the enclosing scope. Use the function
-- Exception_Name in the enclosing subprogram to produce exception
-- specific information when the exception is handled in an others
-- handler.
--
-- TEST FILES:
--
-- This test depends on the following foundation code file:
-- FB20A00.A
--
--
-- CHANGE HISTORY:
-- 06 Dec 94 SAIC ACVC 2.0
--
--!
with FB20A00; -- Package containing Function Find
with Ada.Exceptions;
with Report;
procedure CB20A02 is
Seed_Number : Integer;
Random_Number : Integer := 0;
--=================================================================--
function Random_Number_Generator (Seed : Integer) return Integer is
Result : Integer := 0;
HighSeedError,
Mid_Seed_Error,
L_o_w_S_e_e_d_E_r_r_o_r : exception;
begin -- Random_Number_Generator
if (Report.Ident_Int (Seed) > 1000) then
raise HighSeedError;
elsif (Report.Ident_Int (Seed) > 100) then
raise Mid_Seed_Error;
elsif (Report.Ident_Int (Seed) > 10) then
raise L_o_w_S_e_e_d_E_r_r_o_r;
else
Seed_Number := ((Seed_Number * 417) + 231) mod 53;
Result := Seed_Number / 52;
end if;
return Result;
end Random_Number_Generator;
--=================================================================--
begin
Report.Test ("CB20A02", "Check that the name " &
"of a user defined exception is available " &
"to an enclosing program unit even when the " &
"enclosing unit has no visibility into the " &
"scope where the exception is declared and " &
"raised" );
High_Seed:
begin
-- This seed value will result in the raising of a HighSeedError
-- exception.
Seed_Number := 1001;
Random_Number := Random_Number_Generator (Seed_Number);
Report.Failed ("Exception not raised in High_Seed block");
exception
when Error : others =>
if not FB20A00.Find (Ada.Exceptions.Exception_Name (Error),
"HighSeedError")
then
Report.Failed ("Expected HighSeedError, but found " &
Ada.Exceptions.Exception_Name (Error));
end if;
end High_Seed;
Mid_Seed:
begin
-- This seed value will generate a Mid_Seed_Error exception.
Seed_Number := 101;
Random_Number := Random_Number_Generator (Seed_Number);
Report.Failed ("Exception not raised in Mid_Seed block");
exception
when Error : others =>
if not FB20A00.Find (Ada.Exceptions.Exception_Name (Error),
"Mid_Seed_Error")
then
Report.Failed ("Expected Mid_Seed_Error, but found " &
Ada.Exceptions.Exception_Name (Error));
end if;
end Mid_Seed;
Low_Seed:
begin
-- This seed value will result in the raising of a
-- L_o_w_S_e_e_d_E_r_r_o_r exception.
Seed_Number := 11;
Random_Number := Random_Number_Generator (Seed_Number);
Report.Failed ("Exception not raised in Low_Seed block");
exception
when Error : others =>
if not FB20A00.Find (Ada.Exceptions.Exception_Name (Error),
"L_o_w_S_e_e_d_E_r_r_o_r")
then
Report.Failed ("Expected L_o_w_S_e_e_d_E_r_r_o_r but found " &
Ada.Exceptions.Exception_Name (Error));
end if;
end Low_Seed;
Report.Result;
end CB20A02;
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