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jeremybenn |
-- C371003.A
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--
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-- Grant of Unlimited Rights
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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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-- 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 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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-- 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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-- 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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-- to do so.
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--
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-- DISCLAIMER
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--
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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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-- 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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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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--
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-- OBJECTIVE:
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-- Check that if a discriminant constraint depends on a discriminant,
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-- the evaluation of the expressions in the constraint is deferred
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-- until an object of the subtype is created. Check for cases of
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-- records where the component containing the constraint is present
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-- in the subtype.
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--
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-- TEST DESCRIPTION:
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-- This transition test defines record types with discriminant components
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-- which depend on the discriminants. The discriminants are calculated
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-- by function calls. The test verifies that Constraint_Error is raised
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-- during the object creations when values of discriminants are
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-- incompatible with the subtypes. Also check for cases, where the
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-- component is absent.
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--
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-- Inspired by C37213E.ADA, C37213G.ADA, C37215E.ADA, and C37215G.ADA.
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--
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--
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-- CHANGE HISTORY:
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-- 10 Apr 96 SAIC Initial version for ACVC 2.1.
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-- 14 Jul 96 SAIC Modified test description. Added exception handler
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-- for VObj_10 assignment.
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-- 26 Oct 96 SAIC Added LM references.
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--
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--!
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with Report;
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procedure C371003 is
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subtype Small_Int is Integer range 1..10;
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type Rec_W_Disc (Disc1, Disc2 : Small_Int) is
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record
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Str1 : String (1 .. Disc1) := (others => '*');
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Str2 : String (1 .. Disc2) := (others => '*');
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end record;
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type My_Array is array (Small_Int range <>) of Integer;
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Func1_Cons : Integer := 0;
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---------------------------------------------------------
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function Chk (Cons : Integer;
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Value : Integer;
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Message : String) return Boolean is
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begin
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if Cons /= Value then
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Report.Failed (Message & ": Func1_Cons is " &
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Integer'Image(Func1_Cons));
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end if;
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return True;
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end Chk;
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---------------------------------------------------------
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function Func1 return Integer is
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begin
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Func1_Cons := Func1_Cons + Report.Ident_Int(1);
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return Func1_Cons;
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end Func1;
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begin
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Report.Test ("C371003", "Check that if a discriminant constraint " &
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"depends on a discriminant, the evaluation of the " &
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"expressions in the constraint is deferred until " &
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"object declarations");
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---------------------------------------------------------
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declare
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type VRec_01 (D3 : Integer) is
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record
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case D3 is
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when -5..10 =>
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C1 : Rec_W_Disc (D3, Func1); -- Func1 evaluated, value 1.
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when others =>
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C2 : Integer := Report.Ident_Int(0);
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end case;
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end record;
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Chk1 : Boolean := Chk (Func1_Cons, 1,
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"Func1 not evaluated for VRec_01");
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VObj_1 : VRec_01(1); -- Func1 not evaluated again
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VObj_2 : VRec_01(2); -- Func1 not evaluated again
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Chk2 : Boolean := Chk (Func1_Cons, 1,
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"Func1 evaluated too many times");
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begin
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if VObj_1 /= (D3 => 1,
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C1 => (Disc1 => 1,
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Disc2 => 1,
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Str1 => (others => '*'),
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Str2 => (others => '*'))) or
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VObj_2 /= (D3 => 2,
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C1 => (Disc1 => 2,
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Disc2 => 1,
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Str1 => (others => '*'),
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Str2 => (others => '*'))) then
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Report.Failed ("VObj_1 & VObj_2 - Discriminant values not correct");
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end if;
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end;
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---------------------------------------------------------
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Func1_Cons := -11;
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declare
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type VRec_Of_VRec_01 (D3 : Integer) is
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record
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case D3 is
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when -5..10 =>
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C1 : Rec_W_Disc (Func1, D3); -- Func1 evaluated, value -10.
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when others => -- Constraint_Error not raised.
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C2 : Integer := Report.Ident_Int(0);
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end case;
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end record;
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type VRec_Of_VRec_02 (D3 : Integer) is
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record
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case D3 is
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when -5..10 =>
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C1 : Rec_W_Disc (1, D3);
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when others =>
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C2 : Integer := Report.Ident_Int(0);
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end case;
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end record;
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type VRec_Of_MyArr_01 (D3 : Integer) is
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record
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case D3 is
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when -5..10 =>
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C1 : My_Array (Func1..D3); -- Func1 evaluated, value -9.
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when others => -- Constraint_Error not raised.
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C2 : Integer := Report.Ident_Int(0);
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end case;
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end record;
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type VRec_Of_MyArr_02 (D3 : Integer) is
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record
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case D3 is
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when -5..10 =>
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C1 : My_Array (D3..1);
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when others =>
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C2 : Integer := Report.Ident_Int(0);
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end case;
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end record;
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begin
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---------------------------------------------------------
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-- Component containing the constraint is present.
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begin
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declare
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VObj_3 : VRec_Of_VRec_01(1); -- Constraint_Error raised.
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begin
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Report.Failed ("VObj_3 - Constraint_Error should be raised");
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if VObj_3 /= (1, (1, 1, others => (others => '*'))) then
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Report.Comment ("VObj_3 - Shouldn't get here");
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end if;
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end;
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exception
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when Constraint_Error => -- Exception expected.
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null;
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when others =>
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Report.Failed ("VObj_3 - unexpected exception raised");
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end;
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---------------------------------------------------------
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-- Component containing the constraint is present.
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begin
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declare
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subtype Subtype_VRec is -- No Constraint_Error raised.
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VRec_Of_VRec_01(Report.Ident_Int(1));
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begin
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declare
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VObj_4 : Subtype_VRec; -- Constraint_Error raised.
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begin
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Report.Failed ("VObj_4 - Constraint_Error should be raised");
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if VObj_4 /= (D3 => 1,
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C1 => (Disc1 => 1,
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Disc2 => 1,
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Str1 => (others => '*'),
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Str2 => (others => '*'))) then
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Report.Comment ("VObj_4 - Shouldn't get here");
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end if;
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end;
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exception
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when Constraint_Error => -- Exception expected.
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null;
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when others =>
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Report.Failed ("VObj_4 - unexpected exception raised");
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end;
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exception
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when Constraint_Error =>
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Report.Failed ("Subtype_VRec - Constraint_Error raised");
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when others =>
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Report.Failed ("Subtype_VRec - unexpected exception raised");
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end;
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---------------------------------------------------------
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-- Component containing the constraint is absent.
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begin
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declare
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type Arr is array (1..5) of
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VRec_Of_VRec_01(Report.Ident_Int(-6)); -- No Constraint_Error
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VObj_5 : Arr; -- for either declaration.
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begin
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if VObj_5 /= (1 .. 5 => (-6, 0)) then
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Report.Comment ("VObj_5 - wrong values");
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end if;
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end;
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exception
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when others =>
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Report.Failed ("Arr - unexpected exception raised");
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end;
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---------------------------------------------------------
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-- Component containing the constraint is present.
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begin
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declare
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type Rec_Of_Rec_Of_MyArr is
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record
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C1 : VRec_Of_MyArr_01(1); -- No Constraint_Error raised.
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end record;
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begin
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declare
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Obj_6 : Rec_Of_Rec_Of_MyArr; -- Constraint_Error raised.
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begin
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Report.Failed ("Obj_6 - Constraint_Error should be raised");
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if Obj_6 /= (C1 => (1, (1, 1))) then
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Report.Comment ("Obj_6 - Shouldn't get here");
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end if;
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end;
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exception
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when Constraint_Error => -- Exception expected.
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null;
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when others =>
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Report.Failed ("Obj_6 - unexpected exception raised");
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end;
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exception
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when Constraint_Error =>
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Report.Failed ("Rec_Of_Rec_Of_MyArr - Constraint_Error raised");
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when others =>
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Report.Failed ("Rec_Of_Rec_Of_MyArr - unexpected exception " &
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"raised");
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end;
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---------------------------------------------------------
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-- Component containing the constraint is absent.
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begin
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declare
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type New_VRec_Arr is
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new VRec_Of_MyArr_01(11); -- No Constraint_Error raised
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Obj_7 : New_VRec_Arr; -- for either declaration.
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begin
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if Obj_7 /= (11, 0) then
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Report.Failed ("Obj_7 - value incorrect");
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end if;
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end;
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exception
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when others =>
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Report.Failed ("New_VRec_Arr - unexpected exception raised");
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end;
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---------------------------------------------------------
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-- Component containing the constraint is present.
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begin
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declare
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type New_VRec is new
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VRec_Of_VRec_02(Report.Ident_Int(0)); -- No Constraint_Error
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-- raised.
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begin
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declare
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VObj_8 : New_VRec; -- Constraint_Error raised.
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begin
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Report.Failed ("VObj_8 - Constraint_Error should be raised");
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if VObj_8 /= (1, (1, 1, others => (others => '*'))) then
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Report.Comment ("VObj_8 - Shouldn't get here");
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end if;
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end;
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exception
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when Constraint_Error => -- Exception expected.
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null;
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when others =>
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Report.Failed ("VObj_8 - unexpected exception raised");
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end;
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exception
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when Constraint_Error =>
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Report.Failed ("New_VRec - Constraint_Error raised");
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when others =>
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Report.Failed ("New_VRec - unexpected exception raised");
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end;
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---------------------------------------------------------
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-- Component containing the constraint is absent.
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begin
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declare
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subtype Sub_VRec is
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VRec_Of_VRec_02(Report.Ident_Int(11)); -- No Constraint_Error
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VObj_9 : Sub_VRec; -- raised for either
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-- declaration.
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begin
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if VObj_9 /= (11, 0) then
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Report.Comment ("VObj_9 - wrong values");
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end if;
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end;
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exception
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when others =>
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Report.Failed ("Sub_VRec - unexpected exception raised");
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end;
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| 349 |
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---------------------------------------------------------
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| 351 |
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-- Component containing the constraint is present.
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| 352 |
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begin
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declare
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| 354 |
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type Acc_VRec_01 is access
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| 355 |
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VRec_Of_VRec_02(Report.Ident_Int(0)); -- No Constraint_Error
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|
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-- raised.
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begin
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| 358 |
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declare
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| 359 |
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VObj_10 : Acc_VRec_01; -- No Constraint_Error
|
| 360 |
|
|
-- raised.
|
| 361 |
|
|
begin
|
| 362 |
|
|
VObj_10 := new VRec_Of_VRec_02
|
| 363 |
|
|
(Report.Ident_Int(0)); -- Constraint_Error
|
| 364 |
|
|
-- raised.
|
| 365 |
|
|
Report.Failed ("VObj_10 - Constraint_Error should be raised");
|
| 366 |
|
|
if VObj_10.all /= (1, (1, 1, others => (others => '*'))) then
|
| 367 |
|
|
Report.Comment ("VObj_10 - Shouldn't get here");
|
| 368 |
|
|
end if;
|
| 369 |
|
|
|
| 370 |
|
|
exception
|
| 371 |
|
|
when Constraint_Error => -- Exception expected.
|
| 372 |
|
|
null;
|
| 373 |
|
|
when others =>
|
| 374 |
|
|
Report.Failed ("VObj_10 - unexpected exception raised");
|
| 375 |
|
|
end;
|
| 376 |
|
|
|
| 377 |
|
|
exception
|
| 378 |
|
|
when Constraint_Error =>
|
| 379 |
|
|
Report.Failed ("VObj_10 - Constraint_Error exception raised");
|
| 380 |
|
|
when others =>
|
| 381 |
|
|
Report.Failed ("VObj_10 - unexpected exception raised at " &
|
| 382 |
|
|
"declaration");
|
| 383 |
|
|
end;
|
| 384 |
|
|
|
| 385 |
|
|
exception
|
| 386 |
|
|
when Constraint_Error =>
|
| 387 |
|
|
Report.Failed ("Acc_VRec_01 - Constraint_Error raised");
|
| 388 |
|
|
when others =>
|
| 389 |
|
|
Report.Failed ("Acc_VRec_01 - unexpected exception raised");
|
| 390 |
|
|
end;
|
| 391 |
|
|
|
| 392 |
|
|
---------------------------------------------------------
|
| 393 |
|
|
-- Component containing the constraint is absent.
|
| 394 |
|
|
begin
|
| 395 |
|
|
declare
|
| 396 |
|
|
type Acc_VRec_02 is access
|
| 397 |
|
|
VRec_Of_VRec_02(11); -- No Constraint_Error
|
| 398 |
|
|
-- raised for either
|
| 399 |
|
|
VObj_11 : Acc_VRec_02; -- declaration.
|
| 400 |
|
|
|
| 401 |
|
|
begin
|
| 402 |
|
|
VObj_11 := new VRec_Of_VRec_02(11);
|
| 403 |
|
|
if VObj_11.all /= (11, 0) then
|
| 404 |
|
|
Report.Comment ("VObj_11 - wrong values");
|
| 405 |
|
|
end if;
|
| 406 |
|
|
end;
|
| 407 |
|
|
|
| 408 |
|
|
exception
|
| 409 |
|
|
when others =>
|
| 410 |
|
|
Report.Failed ("Acc_VRec_02 - unexpected exception raised");
|
| 411 |
|
|
end;
|
| 412 |
|
|
|
| 413 |
|
|
---------------------------------------------------------
|
| 414 |
|
|
-- Component containing the constraint is present.
|
| 415 |
|
|
begin
|
| 416 |
|
|
declare
|
| 417 |
|
|
type Acc_VRec_03 is access
|
| 418 |
|
|
VRec_Of_MyArr_02; -- No Constraint_Error
|
| 419 |
|
|
-- raised for either
|
| 420 |
|
|
VObj_12 : Acc_VRec_03; -- declaration.
|
| 421 |
|
|
begin
|
| 422 |
|
|
VObj_12 := new VRec_Of_MyArr_02
|
| 423 |
|
|
(Report.Ident_Int(0)); -- Constraint_Error raised.
|
| 424 |
|
|
|
| 425 |
|
|
Report.Failed ("VObj_12 - Constraint_Error should be raised");
|
| 426 |
|
|
if VObj_12.all /= (1, (1, 1)) then
|
| 427 |
|
|
Report.Comment ("VObj_12 - Shouldn't get here");
|
| 428 |
|
|
end if;
|
| 429 |
|
|
|
| 430 |
|
|
exception
|
| 431 |
|
|
when Constraint_Error => -- Exception expected.
|
| 432 |
|
|
null;
|
| 433 |
|
|
when others =>
|
| 434 |
|
|
Report.Failed ("VObj_12 - unexpected exception raised");
|
| 435 |
|
|
end;
|
| 436 |
|
|
|
| 437 |
|
|
exception
|
| 438 |
|
|
when Constraint_Error =>
|
| 439 |
|
|
Report.Failed ("Acc_VRec_03 - Constraint_Error raised");
|
| 440 |
|
|
when others =>
|
| 441 |
|
|
Report.Failed ("Acc_VRec_03 - unexpected exception raised");
|
| 442 |
|
|
end;
|
| 443 |
|
|
|
| 444 |
|
|
---------------------------------------------------------
|
| 445 |
|
|
-- Component containing the constraint is absent.
|
| 446 |
|
|
begin
|
| 447 |
|
|
declare
|
| 448 |
|
|
type Acc_VRec_04 is access
|
| 449 |
|
|
VRec_Of_MyArr_02(11); -- No Constraint_Error
|
| 450 |
|
|
-- raised for either
|
| 451 |
|
|
VObj_13 : Acc_VRec_04; -- declaration.
|
| 452 |
|
|
|
| 453 |
|
|
begin
|
| 454 |
|
|
VObj_13 := new VRec_Of_MyArr_02(11);
|
| 455 |
|
|
if VObj_13.all /= (11, 0) then
|
| 456 |
|
|
Report.Comment ("VObj_13 - wrong values");
|
| 457 |
|
|
end if;
|
| 458 |
|
|
end;
|
| 459 |
|
|
|
| 460 |
|
|
exception
|
| 461 |
|
|
when others =>
|
| 462 |
|
|
Report.Failed ("Acc_VRec_04 - unexpected exception raised");
|
| 463 |
|
|
end;
|
| 464 |
|
|
|
| 465 |
|
|
end;
|
| 466 |
|
|
|
| 467 |
|
|
Report.Result;
|
| 468 |
|
|
|
| 469 |
|
|
exception
|
| 470 |
|
|
when others =>
|
| 471 |
|
|
Report.Failed ("Discriminant value checked too soon");
|
| 472 |
|
|
Report.Result;
|
| 473 |
|
|
|
| 474 |
|
|
end C371003;
|
