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Diffstat (limited to 'gcc-4.9/gcc/testsuite/ada/acats/tests/ca/ca11012.a')
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diff --git a/gcc-4.9/gcc/testsuite/ada/acats/tests/ca/ca11012.a b/gcc-4.9/gcc/testsuite/ada/acats/tests/ca/ca11012.a new file mode 100644 index 000000000..071b8f813 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/ada/acats/tests/ca/ca11012.a @@ -0,0 +1,259 @@ +-- CA11012.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 a child package of a library level instantiation +-- of a generic can be the instantiation of a child package of +-- the generic. Check that the child instance can use its parent's +-- declarations and operations, including a formal type of the parent. +-- +-- TEST DESCRIPTION: +-- Declare a generic package which simulates an integer complex +-- abstraction. Declare a generic child package of this package +-- which defines additional complex operations. +-- +-- Instantiate the first generic package, then instantiate the child +-- generic package as a child unit of the first instance. In the main +-- program, check that the operations in both instances perform as +-- expected. +-- +-- +-- CHANGE HISTORY: +-- 06 Dec 94 SAIC ACVC 2.0 +-- 21 Dec 94 SAIC Corrected visibility errors for literals +-- 27 Feb 97 PWB.CTA Added elaboration pragma at package CA11012_3 +--! + +generic -- Complex number abstraction. + type Int_Type is range <>; + +package CA11012_0 is + + -- Simulate a generic complex number support package. Complex numbers + -- are treated as coordinates in the Cartesian plane. + + type Complex_Type is private; + + Zero : constant Complex_Type; -- Real number (0,0). + + function Complex (Real, Imag : Int_Type) -- Create a complex + return Complex_Type; -- number. + + function "-" (Right : Complex_Type) -- Invert a complex + return Complex_Type; -- number. + + function "+" (Left, Right : Complex_Type) -- Add two complex + return Complex_Type; -- numbers. + +private + type Complex_Type is record + Real : Int_Type; + Imag : Int_Type; + end record; + + Zero : constant Complex_Type := (Real => 0, Imag => 0); + +end CA11012_0; + + --==================================================================-- + +package body CA11012_0 is + + function Complex (Real, Imag : Int_Type) return Complex_Type is + begin + return (Real, Imag); + end Complex; + --------------------------------------------------------------- + function "-" (Right : Complex_Type) return Complex_Type is + begin + return (-Right.Real, -Right.Imag); + end "-"; + --------------------------------------------------------------- + function "+" (Left, Right : Complex_Type) return Complex_Type is + begin + return ( (Left.Real + Right.Real, Left.Imag + Right.Imag) ); + end "+"; + +end CA11012_0; + + --==================================================================-- + +-- Generic child of complex number package. Child must be generic since +-- parent is generic. + +generic -- Complex additional operations + +package CA11012_0.CA11012_1 is + + -- More operations on complex number. This child adds a layer of + -- functionality to the parent generic. + + function Real_Part (Complex_No : Complex_Type) + return Int_Type; + + function Imag_Part (Complex_No : Complex_Type) + return Int_Type; + + function "*" (Factor : Int_Type; + C : Complex_Type) return Complex_Type; + + function Vector_Magnitude (Complex_No : Complex_Type) + return Int_Type; + +end CA11012_0.CA11012_1; + + --==================================================================-- + +package body CA11012_0.CA11012_1 is + + function Real_Part (Complex_No : Complex_Type) return Int_Type is + begin + return (Complex_No.Real); + end Real_Part; + --------------------------------------------------------------- + function Imag_Part (Complex_No : Complex_Type) return Int_Type is + begin + return (Complex_No.Imag); + end Imag_Part; + --------------------------------------------------------------- + function "*" (Factor : Int_Type; + C : Complex_Type) return Complex_Type is + Result : Complex_Type := Zero; -- Zero is declared in parent, + -- Complex_Number + begin + for I in 1 .. abs (Factor) loop + Result := Result + C; -- Complex_Number "+" + end loop; + + if Factor < 0 then + Result := - Result; -- Complex_Number "-" + end if; + + return Result; + end "*"; + --------------------------------------------------------------- + function Vector_Magnitude (Complex_No : Complex_Type) + return Int_Type is -- Not a real vector magnitude. + begin + return (Complex_No.Real + Complex_No.Imag); + end Vector_Magnitude; + +end CA11012_0.CA11012_1; + + --==================================================================-- + +package CA11012_2 is + + subtype My_Integer is integer range -100 .. 100; + + -- ... Various other types used by the application. + +end CA11012_2; + +-- No body for CA11012_2; + + --==================================================================-- + +-- Declare instances of the generic complex packages for integer type. +-- The instance of the child must itself be declared as a child of the +-- instance of the parent. + +with CA11012_0; -- Complex number abstraction +with CA11012_2; -- Package containing integer type +pragma Elaborate (CA11012_0); +package CA11012_3 is new CA11012_0 (Int_Type => CA11012_2.My_Integer); + +with CA11012_0.CA11012_1; -- Complex additional operations +with CA11012_3; +package CA11012_3.CA11012_4 is new CA11012_3.CA11012_1; + + --==================================================================-- + +with CA11012_2; -- Package containing integer type +with CA11012_3.CA11012_4; -- Complex abstraction + additional operations +with Report; + +procedure CA11012 is + + package My_Complex_Pkg renames CA11012_3; + + package My_Complex_Operation renames CA11012_3.CA11012_4; + + use My_Complex_Pkg, -- All user-defined + My_Complex_Operation; -- operators directly + -- visible. + Complex_One, Complex_Two : Complex_Type; + +begin + + Report.Test ("CA11012", "Check that child instance can use its parent's " & + "declarations and operations, including a formal " & + "type of the parent"); + + Correct_Range_Test: + declare + My_Literal : CA11012_2.My_Integer := -3; + + begin + Complex_One := Complex (-4, 7); -- Operation from the generic + -- parent package. + + Complex_Two := My_Literal * Complex_One; -- Operation from the generic + -- child package. + + if Real_Part (Complex_Two) /= 12 -- Operation from the generic + or Imag_Part (Complex_Two) /= -21 -- child package. + then + Report.Failed ("Incorrect results from complex operation"); + end if; + + end Correct_Range_Test; + + --------------------------------------------------------------- + + Out_Of_Range_Test: + declare + My_Vector : CA11012_2.My_Integer; + + begin + Complex_One := Complex (70, 70); -- Operation from the generic + -- parent package. + My_Vector := Vector_Magnitude (Complex_One); + -- Operation from the generic child package. + + Report.Failed ("Exception not raised in child package"); + + exception + when Constraint_Error => + Report.Comment ("Exception is raised as expected"); + + when others => + Report.Failed ("Others exception is raised"); + + end Out_Of_Range_Test; + + Report.Result; + +end CA11012; |