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Diffstat (limited to 'gcc/testsuite/ada/acats/tests/c3/c37208a.ada')
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1 files changed, 172 insertions, 0 deletions
diff --git a/gcc/testsuite/ada/acats/tests/c3/c37208a.ada b/gcc/testsuite/ada/acats/tests/c3/c37208a.ada new file mode 100644 index 000000000..a83b7ef19 --- /dev/null +++ b/gcc/testsuite/ada/acats/tests/c3/c37208a.ada @@ -0,0 +1,172 @@ +-- C37208A.ADA (RA #534/1) + +-- 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. +--* +-- FOR A TYPE WITH DEFAULT DISCRIMINANT VALUES, CHECK THAT A +-- DISCRIMINANT CONSTRAINT CAN BE OMITTED IN: + + -- AN OBJECT DECLARATION, AND HENCE ASSIGNMENTS TO THE OBJECT CAN + -- CHANGE ITS DISCRIMINANTS; + + -- A COMPONENT_DECLARATION IN A RECORD TYPE DEFINITION, AND HENCE + -- ASSIGNMENTS TO THE COMPONENT CAN CHANGE THE VALUE OF ITS + -- DISCRIMINANTS; + + -- A SUBTYPE INDICATION IN AN ARRAY TYPE DEFINITION, AND HENCE + -- ASSIGNMENTS TO ONE OF THE COMPONENTS CAN CHANGE ITS + -- DISCRIMINANT VALUES; + + -- A FORMAL PARAMETER OF A SUBPROGRAM; EXCEPT FOR PARAMETERS OF + -- MODE IN, THE 'CONSTRAINED ATTRIBUTE OF THE ACTUAL PARAMETER + -- BECOMES THE 'CONSTRAINED ATTRIBUTE OF THE FORMAL PARAMETER; + -- FOR IN OUT AND OUT PARAMETERS, IF THE 'CONSTRAINED ATTRIBUTE IS + -- FALSE, ASSIGNMENTS TO THE FORMAL PARAMETER CAN CHANGE THE + -- DISCRIMINANTS OF THE ACTUAL PARAMETER; IF THE 'CONSTRAINED + -- ATTRIBUTE IS TRUE, ASSIGNNMENTS THAT ATTEMPT TO CHANGE THE + -- DISCRIMINANTS OF THE ACTUAL PARAMETER RAISE CONSTRAINT_ERROR. + +-- ASL 7/23/81 +-- EDS 7/16/98 AVOID OPTIMIZATION + +WITH REPORT; +PROCEDURE C37208A IS + + USE REPORT; + +BEGIN + TEST ("C37208A","DISCRIMINANT CONSTRAINT CAN BE OMITTED " & + "FROM OBJECT DECLARATION, COMPONENT DECLARATION, SUBTYPE " & + "INDICATION OR FORMAL SUBPROGRAM PARAMETER, IF THE TYPE " & + "HAS DEFAULT DISCRIMINANTS"); + + DECLARE + TYPE REC1(DISC : INTEGER := 7) IS + RECORD + NULL; + END RECORD; + + TYPE REC2 IS + RECORD + COMP : REC1; + END RECORD; + + R : REC2; + U1,U2,U3 : REC1 := (DISC => 3); + C1,C2,C3 : REC1(3) := (DISC => 3); + ARR : ARRAY(INTEGER RANGE 1..10) OF REC1; + ARR2 : ARRAY (1..10) OF REC1(4); + + PROCEDURE PROC(P_IN : IN REC1; + P_OUT : OUT REC1; + P_IN_OUT : IN OUT REC1; + CONSTR : IN BOOLEAN) IS + BEGIN + IF P_OUT'CONSTRAINED /= CONSTR + OR P_IN_OUT'CONSTRAINED /= CONSTR THEN + FAILED ("CONSTRAINED ATTRIBUTES DO NOT MATCH " & + "FOR ACTUAL AND FORMAL PARAMETERS"); + END IF; + + IF P_IN'CONSTRAINED /= IDENT_BOOL(TRUE) THEN + FAILED ("'CONSTRAINED IS FALSE FOR IN " & + "PARAMETER"); + END IF; + + IF NOT CONSTR THEN -- UNCONSTRAINED ACTUAL PARAM + P_OUT := (DISC => IDENT_INT(0)); + P_IN_OUT := (DISC => IDENT_INT(0)); + ELSE + BEGIN + P_OUT := (DISC => IDENT_INT(0)); + FAILED ("DISCRIMINANT OF CONSTRAINED ACTUAL " & + "PARAMETER ILLEGALLY CHANGED - 1"); + EXCEPTION + WHEN CONSTRAINT_ERROR => + NULL; + WHEN OTHERS => + FAILED ("WRONG EXCEPTION - 1"); + END; + + BEGIN + P_IN_OUT := (DISC => IDENT_INT(0)); + FAILED ("DISCRIMINANT OF CONSTRAINED ACTUAL " & + "PARAMETER ILLEGALLY CHANGED - 2"); + EXCEPTION + WHEN CONSTRAINT_ERROR => NULL; + WHEN OTHERS => + FAILED ("WRONG EXCEPTION - 2"); + END; + END IF; + END PROC; + BEGIN + IF U1.DISC /= IDENT_INT(3) THEN + FAILED ("INITIAL DISCRIMINANT VALUE WRONG - U1"); + END IF; + + U1 := (DISC => IDENT_INT(5)); + IF U1.DISC /= 5 THEN + FAILED ("ASSIGNMENT FAILED FOR OBJECT"); + END IF; + + IF R.COMP.DISC /= IDENT_INT(7) THEN + FAILED ("DEFAULT DISCRIMINANT VALUE WRONG - R"); + END IF; + + R.COMP := (DISC => IDENT_INT(5)); + IF R.COMP.DISC /= 5 THEN + FAILED ("ASSIGNMENT FAILED FOR RECORD COMPONENT"); + END IF; + + FOR I IN 1..10 LOOP + IF ARR(I).DISC /= IDENT_INT(7) THEN + FAILED ("DEFAULT DISCRIMINANT VALUE WRONG - ARR"); + END IF; + END LOOP; + + ARR(3) := (DISC => IDENT_INT(5)); + IF ARR(3).DISC /= 5 THEN + FAILED ("ASSIGNMENT FAILED FOR ARRAY COMPONENT"); + END IF; + + IF ARR /= (1..2|4..10 => (DISC => 7), 3 => (DISC => 5)) THEN + FAILED ("MODIFIED WRONG COMPONENTS"); + END IF; + + PROC(C1,C2,C3,IDENT_BOOL(TRUE)); + PROC(U1,U2,U3,IDENT_BOOL(FALSE)); + IF U2.DISC /= 0 OR U3.DISC /= 0 THEN + FAILED ("ASSIGNMENT TO UNCONSTRAINED ACTUAL PARAMETER " & + "FAILED TO CHANGE DISCRIMINANT"); + END IF; + + PROC(ARR(1), ARR(3), ARR(4), FALSE); + IF ARR(3).DISC /= 0 OR ARR(4).DISC /= 0 THEN + FAILED ("ARRAY COMPONENT ASSIGNMENTS DIDN'T CHANGE " & + "DISCRIMINANT OF COMPONENT"); + END IF; + + PROC (ARR2(2), ARR2(5), ARR2(10), TRUE); + END; + + RESULT; +END C37208A; |