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Diffstat (limited to 'gcc-4.9/gcc/testsuite/ada/acats/tests/c9/c940006.a')
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diff --git a/gcc-4.9/gcc/testsuite/ada/acats/tests/c9/c940006.a b/gcc-4.9/gcc/testsuite/ada/acats/tests/c9/c940006.a new file mode 100644 index 000000000..36e6c9171 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/ada/acats/tests/c9/c940006.a @@ -0,0 +1,223 @@ +-- C940006.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 body of a protected function can have external calls +-- to other protected functions and that the body of a protected +-- procedure can have external calls to protected procedures and to +-- protected functions. +-- +-- TEST DESCRIPTION: +-- Use a subset of the simulation of the freeway on-ramp described in +-- c940005. In this case two protected objects are used but only a +-- minimum of routines are shown in each. Both objects are hard coded +-- and detail two adjacent on-ramps (Ramp_31 & Ramp_32) with routines in +-- each which use external calls to the other. + +-- +-- +-- CHANGE HISTORY: +-- 06 Dec 94 SAIC ACVC 2.0 +-- +--! + +with Report; + +procedure C940006 is + +begin + + Report.Test ("C940006", "Check external calls of protected functions" & + " and procedures"); + + declare -- encapsulate the test + + -- Weighted load given to each potential problem area and accumulated + type Load_Factor is range 0..8; + -- + Clear_Level : constant Load_Factor := 0; + Minimum_Level : constant Load_Factor := 1; + Moderate_Level : constant Load_Factor := 3; + Serious_Level : constant Load_Factor := 4; + Critical_Level : constant Load_Factor := 6; + + --================================================================ + -- Only the Routines that are used in this test are shown + -- + protected Ramp_31 is + + function Local_Overload return Load_Factor; + procedure Set_Local_Overload(Sensor_Level : Load_Factor); + procedure Notify; + function Next_Ramp_Overload return Load_Factor; + function Freeway_Overload return Load_Factor; + procedure Downstream_Ramps; + function Get_DSR_Accumulate return Load_Factor; + + private + Next_Ramp_Alert : Boolean := false; -- Next Ramp is in trouble? + + -- Current state of the various Sample Points + Local_State : Load_Factor := Clear_Level; + -- Accumulated load for next three downstream ramps + DSR_Accumulate : Load_Factor := Clear_Level; + + end Ramp_31; + --================================================================ + -- Only the Routines that are used in this test are shown + -- + protected Ramp_32 is + + function Local_Overload return Load_Factor; + procedure Set_Local_Overload (Sensor_Level : Load_Factor); + + private + + Local_State : Load_Factor := Clear_Level; + + end Ramp_32; + --================================================================ + protected body Ramp_31 is + + -- These Set/Clear routines are triggered by real-time sensors that + -- reflect traffic state + procedure Set_Local_Overload (Sensor_Level : Load_Factor) is + begin + -- Notify "previous" ramp to check this one for current state. + -- Subsequent changes in state will not send an alert + null; --::::: (see Ramp_32 for this code) + Local_State := Sensor_Level; + null; --::::: Start local meter if not already started + end Set_Local_Overload; + + function Local_Overload return Load_Factor is + begin + return Local_State; + end Local_Overload; + + -- This is notification from the next ramp that it is in + -- overload. With this provision we only need to sample the next + -- ramp during adverse conditions. + procedure Notify is + begin + Next_Ramp_Alert := true; + end Notify; + + function Next_Ramp_Overload return Load_Factor is + begin + if Next_Ramp_Alert then + -- EXTERNAL FUNCTION CALL FROM FUNCTION + -- Get next ramp's current state + return Ramp_32.Local_Overload; + else + return Clear_Level; + end if; + end Next_Ramp_Overload; + + -- return the summation of all the load factors + function Freeway_Overload return Load_Factor is + begin + return Local_Overload + -- + :::: others + + Next_Ramp_Overload; + end Freeway_Overload; + + -- Snapshot the states of the next three downstream ramps + procedure Downstream_Ramps is + begin + DSR_Accumulate := Ramp_32.Local_Overload; -- EXTERNAL FUNCTION + -- :::: + Ramp_33.Local_Overload -- FROM PROCEDURE + -- :::: + Ramp_34.Local_Overload + end Downstream_Ramps; + + -- Get last snapshot + function Get_DSR_Accumulate return Load_Factor is + begin + return DSR_Accumulate; + end Get_DSR_Accumulate; + + end Ramp_31; + --================================================================ + protected body Ramp_32 is + + function Local_Overload return Load_Factor is + begin + return Local_State; + end; + + + -- These Set/Clear routines are triggered by real-time sensors that + -- reflect traffic state + procedure Set_Local_Overload(Sensor_Level : Load_Factor) is + begin + if Local_State = Clear_Level then + -- Notify "previous" ramp to check this one for current state. + -- Subsequent changes in state will not send an alert + -- When the situation clears another routine performs the + -- all_clear notification. (not shown) + -- EXTERNAL CALL OF PROCEDURE FROM PROCEDURE + Ramp_31.Notify; + end if; + Local_State := Sensor_Level; + null; --::::: Start local meter if not already started + end; + + end Ramp_32; + --================================================================ + + + + begin -- declare + + -- Test driver. This is ALL test control code + -- Simulate calls to the protected functions and procedures + -- from without the protected object, these will, in turn make the + -- external calls. + + -- Check initial conditions, exercising the simple calls + if not (Ramp_31.Local_Overload = Clear_Level and + Ramp_31.Next_Ramp_Overload = Clear_Level and + Ramp_31.Freeway_Overload = Clear_Level) and + Ramp_32.Local_Overload = Clear_Level then + Report.Failed ("Initial Calls provided unexpected Results"); + end if; + + -- Simulate real-time sensors reporting overloads at a hardware level + Ramp_31.Set_Local_Overload (1); + Ramp_32.Set_Local_Overload (3); + + Ramp_31.Downstream_Ramps; -- take the current snapshot + + if not (Ramp_31.Local_Overload = Minimum_Level and + Ramp_31.Get_DSR_Accumulate = Moderate_Level and + Ramp_31.Freeway_Overload = Serious_Level) then + Report.Failed ("Secondary Calls provided unexpected Results"); + end if; + + end; -- declare + + Report.Result; + +end C940006; |