-- C940012.A
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-- C940012.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 a protected object can have discriminants
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-- Check that a protected object can have discriminants
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--
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--
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-- TEST DESCRIPTION:
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-- TEST DESCRIPTION:
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-- Use a subset of the simulation of the freeway on-ramp described in
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-- Use a subset of the simulation of the freeway on-ramp described in
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-- c940005. In this case an array of access types is built with pointers
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-- c940005. In this case an array of access types is built with pointers
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-- to successive ramps. Each ramp has its Ramp_Number specified by
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-- to successive ramps. Each ramp has its Ramp_Number specified by
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-- discriminant and this corresponds to the index in the array. The test
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-- discriminant and this corresponds to the index in the array. The test
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-- checks that the ramp numbers are assigned as expected then uses calls
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-- checks that the ramp numbers are assigned as expected then uses calls
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-- to procedures within the objects (ramps) to verify external calls to
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-- to procedures within the objects (ramps) to verify external calls to
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-- ensure the structures are valid. The external references within the
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-- ensure the structures are valid. The external references within the
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-- protected objects are made via the index into the array. Routines
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-- protected objects are made via the index into the array. Routines
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-- which refer to the "previous" ramp and the "next" ramp are exercised.
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-- which refer to the "previous" ramp and the "next" ramp are exercised.
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-- (Note: The first and last ramps are assumed to be dummies and no
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-- (Note: The first and last ramps are assumed to be dummies and no
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-- first/last condition code is included)
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-- first/last condition code is included)
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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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with Report;
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with Report;
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procedure C940012 is
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procedure C940012 is
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type Ramp_Index is range 1..4;
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type Ramp_Index is range 1..4;
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type Ramp;
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type Ramp;
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type a_Ramp is access Ramp;
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type a_Ramp is access Ramp;
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Ramp_Array : array (Ramp_Index) of a_Ramp;
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Ramp_Array : array (Ramp_Index) of a_Ramp;
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-- Weighted load given to each potential problem area and accumulated
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-- Weighted load given to each potential problem area and accumulated
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type Load_Factor is range 0..8;
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type Load_Factor is range 0..8;
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Clear_Level : constant Load_Factor := 0;
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Clear_Level : constant Load_Factor := 0;
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Moderate_Level : constant Load_Factor := 3;
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Moderate_Level : constant Load_Factor := 3;
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--================================================================
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--================================================================
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-- Only the Routines that are used in this test are shown
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-- Only the Routines that are used in this test are shown
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--
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--
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protected type Ramp (Ramp_In : Ramp_Index) is
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protected type Ramp (Ramp_In : Ramp_Index) is
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function Ramp_Number return Ramp_Index;
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function Ramp_Number return Ramp_Index;
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function Local_Overload return Load_Factor;
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function Local_Overload return Load_Factor;
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function Next_Ramp_Overload return Load_Factor;
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function Next_Ramp_Overload return Load_Factor;
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procedure Set_Local_Overload(Sensor_Level : Load_Factor);
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procedure Set_Local_Overload(Sensor_Level : Load_Factor);
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procedure Notify;
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procedure Notify;
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private
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private
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Next_Ramp_Alert : Boolean := false; -- Next Ramp is in trouble?
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Next_Ramp_Alert : Boolean := false; -- Next Ramp is in trouble?
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-- Current state of the various Sample Points
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-- Current state of the various Sample Points
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Local_State : Load_Factor := Clear_Level;
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Local_State : Load_Factor := Clear_Level;
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end Ramp;
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end Ramp;
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--================================================================
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--================================================================
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protected body Ramp is
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protected body Ramp is
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function Ramp_Number return Ramp_Index is
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function Ramp_Number return Ramp_Index is
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begin
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begin
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return Ramp_In;
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return Ramp_In;
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end Ramp_Number;
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end Ramp_Number;
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-- These Set/Clear routines are triggered by real-time sensors that
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-- These Set/Clear routines are triggered by real-time sensors that
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-- reflect traffic state
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-- reflect traffic state
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procedure Set_Local_Overload(Sensor_Level : Load_Factor) is
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procedure Set_Local_Overload(Sensor_Level : Load_Factor) is
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begin
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begin
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if Local_State = Clear_Level then
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if Local_State = Clear_Level then
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-- Notify "previous" ramp to check this one for current state.
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-- Notify "previous" ramp to check this one for current state.
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-- Subsequent changes in state will not send an alert
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-- Subsequent changes in state will not send an alert
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-- When the situation clears another routine performs the
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-- When the situation clears another routine performs the
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-- all_clear notification. (not shown)
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-- all_clear notification. (not shown)
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Ramp_Array(Ramp_In - 1).Notify; -- index to previous ramp
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Ramp_Array(Ramp_In - 1).Notify; -- index to previous ramp
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end if;
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end if;
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Local_State := Sensor_Level;
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Local_State := Sensor_Level;
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null; --::::: Start local meter if not already started
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null; --::::: Start local meter if not already started
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end;
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end;
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function Local_Overload return Load_Factor is
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function Local_Overload return Load_Factor is
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begin
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begin
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return Local_State;
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return Local_State;
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end Local_Overload;
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end Local_Overload;
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-- This is notification from the next ramp that it is in
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-- This is notification from the next ramp that it is in
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-- overload. With this provision we only need to sample the next
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-- overload. With this provision we only need to sample the next
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-- ramp during adverse conditions.
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-- ramp during adverse conditions.
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procedure Notify is
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procedure Notify is
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begin
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begin
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Next_Ramp_Alert := true;
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Next_Ramp_Alert := true;
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end Notify;
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end Notify;
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function Next_Ramp_Overload return Load_Factor is
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function Next_Ramp_Overload return Load_Factor is
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begin
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begin
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if Next_Ramp_Alert then
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if Next_Ramp_Alert then
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-- Get next ramp's current state
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-- Get next ramp's current state
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return Ramp_Array(Ramp_In + 1).Local_Overload;
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return Ramp_Array(Ramp_In + 1).Local_Overload;
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else
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else
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return Clear_Level;
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return Clear_Level;
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end if;
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end if;
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end Next_Ramp_Overload;
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end Next_Ramp_Overload;
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end Ramp;
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end Ramp;
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--================================================================
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--================================================================
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begin
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begin
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Report.Test ("C940012", "Check that a protected object " &
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Report.Test ("C940012", "Check that a protected object " &
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"can have discriminants");
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"can have discriminants");
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-- Build the ramps and populate the ramp array
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-- Build the ramps and populate the ramp array
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for i in Ramp_Index loop
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for i in Ramp_Index loop
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Ramp_Array(i) := new Ramp (i);
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Ramp_Array(i) := new Ramp (i);
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end loop;
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end loop;
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-- Test driver. This is ALL test control code
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-- Test driver. This is ALL test control code
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-- Check the assignment of the index
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-- Check the assignment of the index
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for i in Ramp_Index loop
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for i in Ramp_Index loop
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if Ramp_Array(i).Ramp_Number /= i then
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if Ramp_Array(i).Ramp_Number /= i then
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Report.Failed ("Ramp_Number assignment incorrect");
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Report.Failed ("Ramp_Number assignment incorrect");
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end if;
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end if;
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end loop;
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end loop;
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-- Simulate calls to the protected functions and procedures
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-- Simulate calls to the protected functions and procedures
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-- external calls. (do not call the "dummy" end ramps)
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-- external calls. (do not call the "dummy" end ramps)
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-- Simple Call
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-- Simple Call
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if Ramp_Array(2).Next_Ramp_Overload /= Clear_level then
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if Ramp_Array(2).Next_Ramp_Overload /= Clear_level then
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Report.Failed ("Primary call incorrect");
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Report.Failed ("Primary call incorrect");
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end if;
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end if;
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-- Call which results in an external procedure call via the array
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-- Call which results in an external procedure call via the array
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-- index from within the protected object
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-- index from within the protected object
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Ramp_Array(3).Set_Local_Overload (Moderate_Level);
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Ramp_Array(3).Set_Local_Overload (Moderate_Level);
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-- Call which results in an external function call via the array
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-- Call which results in an external function call via the array
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-- index from within the protected object
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-- index from within the protected object
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if Ramp_Array(2).Next_Ramp_Overload /= Moderate_level then
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if Ramp_Array(2).Next_Ramp_Overload /= Moderate_level then
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Report.Failed ("Secondary call incorrect");
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Report.Failed ("Secondary call incorrect");
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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 C940012;
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end C940012;
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