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Diffstat (limited to 'gcc/testsuite/ada/acats/tests/c5/c52011b.ada')
| -rw-r--r-- | gcc/testsuite/ada/acats/tests/c5/c52011b.ada | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/gcc/testsuite/ada/acats/tests/c5/c52011b.ada b/gcc/testsuite/ada/acats/tests/c5/c52011b.ada new file mode 100644 index 000000000..460f51835 --- /dev/null +++ b/gcc/testsuite/ada/acats/tests/c5/c52011b.ada @@ -0,0 +1,180 @@ +-- C52011B.ADA + +-- 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. +--* +-- CHECK DISCRIMINANT CONSTRAINTS FOR ASSIGNMENT OF ACCESS SUBTYPES. +-- SPECIFICALLY, CHECK THAT: + +-- A) ANY ACCESS TYPE VARIABLE AND CONSTRAINED SUBTYPE VARIABLES OF THAT +-- TYPE MAY BE ASSIGNED TO ONE ANOTHER IF THE VALUE BEING ASSIGNED +-- IS NULL. + +-- B) VARIABLES OF THE SAME CONSTRAINED ACCESS SUBTYPE MAY BE ASSIGNED +-- TO ONE ANOTHER OR TO VARIABLES OF THE BASE ACCESS TYPE. + +-- C) CONSTRAINT_ERROR IS RAISED UPON ASSIGNMENT OF NON-NULL OBJECTS +-- BETWEEN DIFFERENTLY CONSTRAINED ACCESS SUBTYPES. + +-- D) CONSTRAINT_ERROR IS RAISED UPON ASSIGNMENT OF A NON-NULL OBJECT +-- OF A BASE ACCESS TYPE VARIABLE TO A VARIABLE OF ONE OF ITS +-- CONSTRAINED SUBTYPES IF THE CONSTRAINTS ON THE OBJECT DIFFER +-- FROM THOSE ON THE SUBTYPE. + +-- E) NULL CAN BE ASSIGNED TO BASE ACCESS TYPES AND ANY CONSTRAINED +-- SUBTYPES OF THIS TYPE. + +-- ASL 7/06/81 +-- RM 6/17/82 +-- RLB 6/29/01 - FIXED TO ALLOW AGGRESIVE OPTIMIZATION. + +WITH REPORT; +PROCEDURE C52011B IS + + USE REPORT; + + TYPE REC(DISC : INTEGER := -1 ) IS + RECORD + NULL; + END RECORD; + + TYPE REC_NAME IS ACCESS REC; + SUBTYPE S1 IS REC_NAME(IDENT_INT(5)); + SUBTYPE S2 IS REC_NAME(IDENT_INT(3)); + + W : REC_NAME := NULL; -- E. + X1,X2 : S1 := NULL; -- E. + Y1,Y2 : S2 := NULL; -- E. + + W_NONNULL : REC_NAME := NEW REC(7) ; + X1_NONNULL : S1 := NEW REC(IDENT_INT(5)); + Y1_NONNULL : S2 := NEW REC(IDENT_INT(3)); + + TOO_EARLY : BOOLEAN := TRUE; + +BEGIN + + TEST ("C52011B", "DISCRIMINANT CONSTRAINTS ON ACCESS SUBTYPE " & + "OBJECTS MUST BE SATISFIED FOR ASSIGNMENT"); + + BEGIN + + IF EQUAL(3,3) THEN + W_NONNULL := X1; -- A. + END IF; + IF W_NONNULL /= X1 THEN + FAILED ("ASSIGNMENT FAILED - 1"); + END IF; + + IF EQUAL(3,3) THEN + W := Y1; -- A. + END IF; + IF W /= Y1 THEN + FAILED ("ASSIGNMENT FAILED - 2"); + END IF; + + IF EQUAL(3,3) THEN + X1_NONNULL := Y1; -- A. + END IF; + IF X1_NONNULL /= Y1 THEN + FAILED ("ASSIGNMENT FAILED - 3"); + END IF; + + IF EQUAL(3,3) THEN + Y1_NONNULL := Y2; -- A. + END IF; + IF Y1_NONNULL /= Y2 THEN + FAILED ("ASSIGNMENT FAILED - 4"); + END IF; + + X1 := NEW REC(IDENT_INT(5)); + IF EQUAL(3,3) THEN + X2 := X1; -- B. + END IF; + IF X1 /= X2 THEN + FAILED ("ASSIGNMENT FAILED - 5"); + END IF; + + IF EQUAL(3,3) THEN + W := X1; -- B. + END IF; + IF W /= X1 THEN + FAILED ("ASSIGNMENT FAILED - 6"); + END IF; + + BEGIN + Y1 := X1; -- C. + IF Y1.DISC /= REPORT.IDENT_INT(3) THEN + FAILED ("NON-NULL ASSIGNMENT MADE BETWEEN TWO " & + "VARIABLES OF DIFFERENT CONSTRAINED ACCESS SUBTYPES " & + "AND CONSTRAINT IS CHANGED"); + ELSE + FAILED ("NON-NULL ASSIGNMENT MADE BETWEEN TWO " & + "VARIABLES OF DIFFERENT CONSTRAINED ACCESS SUBTYPES " & + "AND CONSTRAINT IS NOT CHANGED"); + END IF; + EXCEPTION + + WHEN CONSTRAINT_ERROR => NULL; + + WHEN OTHERS => + FAILED ("WRONG EXCEPTION - 1"); + + END; + + W := NEW REC(IDENT_INT(3)); + + BEGIN + X1 := W; -- D. + IF X1.DISC /= REPORT.IDENT_INT(5) THEN + FAILED ("NON-NULL ASSIGNMENT MADE FROM UNCONSTRAINED " & + "ACCESS TYPE DESIGNATING CONSTRAINED OBJECT TO "& + "ACCESS SUBTYPE WITH DIFFERENT CONSTRAINT " & + "AND CONSTRAINT IS CHANGED"); + ELSE + FAILED ("NON-NULL ASSIGNMENT MADE FROM UNCONSTRAINED " & + "ACCESS TYPE DESIGNATING CONSTRAINED OBJECT TO "& + "ACCESS SUBTYPE WITH DIFFERENT CONSTRAINT " & + "AND CONSTRAINT IS NOT CHANGED"); + END IF; + EXCEPTION + + WHEN CONSTRAINT_ERROR => + NULL ; + + WHEN OTHERS => + FAILED ("WRONG EXCEPTION - 2"); + + END; + + EXCEPTION + + WHEN OTHERS => + FAILED ("EXCEPTION RAISED"); + + END; + + + RESULT; + + +END C52011B; |