-- C391001.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 structures nesting discriminated records as -- components in record extension are correctly supported. Check -- for this using limited private structures. -- Check that record extensions inherit all the visible components -- of their ancestor types. -- Check that discriminants are correctly inherited. -- -- TEST DESCRIPTION: -- This test defines a textbook object, a serial number plaque. -- This object is used in each of several other structures modeled -- after those used in an existing antenna modeling software system. -- Record types discriminated and undiscriminated are nested to -- produce a layered design. Some parametrization is programmatic; -- some parametrization is data-driven. -- -- -- -- CHANGE HISTORY: -- 06 Dec 94 SAIC ACVC 2.0 -- 19 Dec 94 SAIC Removed RM references from objective text. -- 19 Apr 95 SAIC Added "limited" to full type def of "Object" -- --! package C391001_1 is type Object is tagged limited private; -- Constructor operation procedure Create( The_Plaque : in out Object ); -- Selector operations function "="( Left_Plaque,Right_Plaque : Object ) return Boolean; function TC_Match( Left_Plaque : Object; Right_Natural : Natural ) return Boolean; function Serial_Number( A_Plaque : Object ) return Natural; Unserialized : exception; -- Serial_Number called before Create Reserialized : exception; -- Create called twice private type Object is tagged limited record Serial_Number : Natural := 0; end record; end C391001_1; package body C391001_1 is Counter : Natural := 0; procedure Create( The_Plaque : in out Object ) is begin if The_Plaque.Serial_Number = 0 then Counter := Counter +1; The_Plaque.Serial_Number := Counter; else raise Reserialized; end if; end Create; function "="( Left_Plaque,Right_Plaque : Object ) return Boolean is begin return (Left_Plaque.Serial_Number = Right_Plaque.Serial_Number) and then -- two uninitialized plates are unequal (Left_Plaque.Serial_Number /= 0); end "="; function TC_Match( Left_Plaque : Object; Right_Natural : Natural ) return Boolean is begin return (Left_Plaque.Serial_Number = Right_Natural); end TC_Match; function Serial_Number( A_Plaque : Object ) return Natural is begin if A_Plaque.Serial_Number = 0 then raise Unserialized; end if; return A_Plaque.Serial_Number; end Serial_Number; end C391001_1; with C391001_1; package C391001_2 is -- package Boards is package Plaque renames C391001_1; type Modes is (Receiving, Transmitting, Standby); type Link(Mode: Modes := Standby) is record case Mode is when Receiving => TC_R : Integer := 100; when Transmitting => TC_T : Integer := 200; when Standby => TC_S : Integer := 300; -- TGA, TSA, SSA end case; end record; type Data_Formats is (S_Band, KU_Band, UHF); type Transceiver(Band: Data_Formats) is tagged limited record ID : Plaque.Object; The_Link: Link; case Band is when S_Band => TC_S_Band_Data : Integer := 1; -- TGA, SSA when KU_Band => TC_KU_Band_Data : Integer := 2; -- TSA when UHF => TC_UHF_Data : Integer := 3; end case; end record; end C391001_2; with C391001_1; with C391001_2; package C391001_3 is -- package Modules package Plaque renames C391001_1; package Boards renames C391001_2; use type Boards.Modes; use type Boards.Data_Formats; type Command_Formats is ( Set_Compression_Code, Set_Data_Rate, Set_Power_State ); type Electronics_Module(EBand : Boards.Data_Formats; The_Command_Format: Command_Formats) is new Boards.Transceiver(EBand) with record case The_Command_Format is when Set_Compression_Code => TC_SCC : Integer := 10; -- SSA when Set_Data_Rate => TC_SDR : Integer := 20; -- TGA when Set_Power_State => TC_SPS : Integer := 30; -- TSA end case; end record; end C391001_3; with Report; with C391001_1; with C391001_2; with C391001_3; procedure C391001 is package Plaque renames C391001_1; package Boards renames C391001_2; package Modules renames C391001_3; use type Boards.Modes; use type Boards.Data_Formats; use type Modules.Command_Formats; type Azimuth is range 0..359; type Ground_Antenna(The_Band : Boards.Data_Formats; The_Command_Format: Modules.Command_Formats) is record ID : Plaque.Object; Electronics : Modules.Electronics_Module(The_Band,The_Command_Format); Pointing : Azimuth; end record; type Space_Antenna(The_Band : Boards.Data_Formats := Boards.KU_Band; The_Command : Modules.Command_Formats := Modules.Set_Power_State) is record ID : Plaque.Object; Electronics : Modules.Electronics_Module(The_Band,The_Command); end record; The_Ground_Antenna : Ground_Antenna (Boards.S_Band, Modules.Set_Data_Rate); The_Space_Antenna : Space_Antenna; Space_Station_Antenna : Space_Antenna (Boards.S_Band, Modules.Set_Compression_Code); procedure Validate( Condition : Boolean; Message: String ) is begin if not Condition then Report.Failed("Failed " & Message ); end if; end Validate; begin Report.Test("C391001", "Check nested tagged discriminated " & "record structures"); Plaque.Create( The_Ground_Antenna.ID ); -- 1 Plaque.Create( The_Ground_Antenna.Electronics.ID ); -- 2 Plaque.Create( The_Space_Antenna.ID ); -- 3 Plaque.Create( The_Space_Antenna.Electronics.ID ); -- 4 Plaque.Create( Space_Station_Antenna.ID ); -- 5 Plaque.Create( Space_Station_Antenna.Electronics.ID );-- 6 The_Ground_Antenna.Pointing := 180; Validate( The_Ground_Antenna.The_Band = Boards.S_Band, "TGA discr 1" ); Validate( The_Ground_Antenna.The_Command_Format = Modules.Set_Data_Rate, "TGA discr 2" ); Validate( Plaque.TC_Match(The_Ground_Antenna.ID,1), "TGA comp 1" ); Validate( The_Ground_Antenna.Electronics.EBand = Boards.S_Band, "TGA comp 2.discr 1" ); Validate( The_Ground_Antenna.Electronics.The_Command_Format = Modules.Set_Data_Rate, "TGA comp 2.discr 2" ); Validate( The_Ground_Antenna.Electronics.TC_SDR = 20, "TGA comp 2.1" ); Validate( Plaque.TC_Match( The_Ground_Antenna.Electronics.ID, 2 ), "TGA comp 2.inher.1" ); Validate( The_Ground_Antenna.Electronics.The_Link.Mode = Boards.Standby, "TGA comp 2.inher.2.discr" ); Validate( The_Ground_Antenna.Electronics.The_Link.TC_S = 300, "TGA comp 2.inher.2.1" ); Validate( The_Ground_Antenna.Electronics.TC_S_Band_Data = 1, "TGA comp 2.inher.3" ); Validate( The_Ground_Antenna.Pointing = 180, "TGA comp 3" ); Validate( The_Space_Antenna.The_Band = Boards.KU_Band, "TSA discr 1"); Validate( The_Space_Antenna.The_Command = Modules.Set_Power_State, "TSA discr 2"); Validate( Plaque.TC_Match(The_Space_Antenna.ID,3), "TSA comp 1"); Validate( The_Space_Antenna.Electronics.EBand = Boards.KU_Band, "TSA comp 2.discr 1"); Validate( The_Space_Antenna.Electronics.The_Command_Format = Modules.Set_Power_State, "TSA comp 2.discr 2"); Validate( Plaque.TC_Match(The_Space_Antenna.Electronics.ID,4), "TSA comp 2.inher.1"); Validate( The_Space_Antenna.Electronics.The_Link.Mode = Boards.Standby, "TSA comp 2.inher.2.discr"); Validate( The_Space_Antenna.Electronics.The_Link.TC_S = 300, "TSA comp 2.inher.2.1"); Validate( The_Space_Antenna.Electronics.TC_KU_Band_Data = 2, "TSA comp 2.inher.3"); Validate( The_Space_Antenna.Electronics.TC_SPS = 30, "TSA comp 2.1"); Validate( Space_Station_Antenna.The_Band = Boards.S_Band, "SSA discr 1"); Validate( Space_Station_Antenna.The_Command = Modules.Set_Compression_Code, "SSA discr 2"); Validate( Plaque.TC_Match(Space_Station_Antenna.ID,5), "SSA comp 1"); Validate( Space_Station_Antenna.Electronics.EBand = Boards.S_Band, "SSA comp 2.discr 1"); Validate( Space_Station_Antenna.Electronics.The_Command_Format = Modules.Set_Compression_Code, "SSA comp 2.discr 2"); Validate( Plaque.TC_Match(Space_Station_Antenna.Electronics.ID,6), "SSA comp 2.inher.1"); Validate( Space_Station_Antenna.Electronics.The_Link.Mode = Boards.Standby, "SSA comp 2.inher.2.discr"); Validate( Space_Station_Antenna.Electronics.The_Link.TC_S = 300, "SSA comp 2.inher.2.1"); Validate( Space_Station_Antenna.Electronics.TC_S_Band_Data = 1, "SSA comp 2.inher.3"); Validate( Space_Station_Antenna.Electronics.TC_SCC = 10, "SSA comp 2.1"); The_Ground_Antenna.Electronics.TC_SDR := 1001; The_Ground_Antenna.Electronics.The_Link := (Boards.Transmitting,2001); The_Ground_Antenna.Electronics.TC_S_Band_Data := 3001; The_Ground_Antenna.Pointing := 41; The_Space_Antenna.Electronics.The_Link := (Boards.Receiving,1010); The_Space_Antenna.Electronics.TC_KU_Band_Data := 2020; The_Space_Antenna.Electronics.TC_SPS := 3030; Space_Station_Antenna.Electronics.The_Link := The_Space_Antenna.Electronics.The_Link; Space_Station_Antenna.Electronics.The_Link.TC_R := 111; Space_Station_Antenna.Electronics.TC_S_Band_Data := 222; Space_Station_Antenna.Electronics.TC_SCC := 333; ---------------------------------------------------------------------- begin -- should fail discriminant check The_Ground_Antenna.Electronics.TC_SCC := 909; Report.Failed("Discriminant check, no exception"); exception when Constraint_Error => null; when others => Report.Failed("Discriminant check, wrong exception"); end; Validate( The_Ground_Antenna.Electronics.TC_SDR = 1001, "assigned value 1"); Validate( The_Ground_Antenna.Electronics.The_Link.Mode = Boards.Transmitting, "assigned value 2.1"); Validate( The_Ground_Antenna.Electronics.The_Link.TC_T = 2001, "assigned value 2.2"); Validate( The_Ground_Antenna.Electronics.TC_S_Band_Data = 3001, "assigned value 3"); Validate( The_Ground_Antenna.Pointing = 41, "assigned value 4"); Validate( The_Space_Antenna.Electronics.The_Link.Mode = Boards.Receiving, "assigned value 5.1"); Validate( The_Space_Antenna.Electronics.The_Link.TC_R = 1010, "assigned value 5.2"); Validate( The_Space_Antenna.Electronics.TC_KU_Band_Data = 2020, "assigned value 6"); Validate( The_Space_Antenna.Electronics.TC_SPS = 3030, "assigned value 7"); Validate( Space_Station_Antenna.Electronics.The_Link.Mode = Boards.Receiving, "assigned value 8.1"); Validate( Space_Station_Antenna.Electronics.The_Link.TC_R = 111, "assigned value 8.2"); Validate( Space_Station_Antenna.Electronics.TC_S_Band_Data = 222, "assigned value 9"); Validate( Space_Station_Antenna.Electronics.TC_SCC = 333, "assigned value 10"); Report.Result; end C391001;