gomp-20050608-branch/gcc/testsuite/ada/acats/tests/c6/c67005b.ada

   1 -- C67005B.ADA
   2
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   6 --     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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   8 --     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
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  11 --     These rights include rights to use, duplicate, release or disclose the
  12 --     released technical data and computer software in whole or in part, in
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  16 --                                    DISCLAIMER
  17 --
  18 --     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
  19 --     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
  20 --     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
  21 --     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
  22 --     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
  23 --     PARTICULAR PURPOSE OF SAID MATERIAL.
  24 --*
  25 -- CHECK THAT IF EQUALITY IS REDEFINED FOR A SCALAR TYPE, CASE
  26 -- STATEMENTS STILL USE THE PREDEFINED EQUALITY OPERATION.
  27
  28 -- JBG 9/28/83
  29
  30 WITH REPORT; USE REPORT;
  31 PROCEDURE C67005B IS
  32
  33      GENERIC
  34           TYPE LP IS LIMITED PRIVATE;
  35           WITH FUNCTION EQUAL (L, R : LP) RETURN BOOLEAN;
  36      PACKAGE EQUALITY_OPERATOR IS
  37           FUNCTION "=" (L, R : LP) RETURN BOOLEAN;
  38      END EQUALITY_OPERATOR;
  39
  40      PACKAGE BODY EQUALITY_OPERATOR IS
  41           FUNCTION "=" (L, R : LP) RETURN BOOLEAN IS
  42           BEGIN
  43                RETURN EQUAL(L, R);
  44           END "=";
  45      END EQUALITY_OPERATOR;
  46
  47 BEGIN
  48      TEST ("C67005B", "CHECK THAT REDEFINING EQUALITY FOR A " &
  49                       "SCALAR TYPE DOES NOT AFFECT CASE STATEMENTS");
  50
  51      DECLARE
  52           TYPE MY IS NEW INTEGER;
  53           CHECK : MY;
  54
  55           VAR : INTEGER RANGE 1..3 := 3;
  56
  57           PACKAGE INTEGER_EQUALS IS
  58                FUNCTION EQUAL (L, R : INTEGER) RETURN BOOLEAN;
  59                PACKAGE INTEGER_EQUAL IS NEW EQUALITY_OPERATOR
  60                          (INTEGER, EQUAL);
  61           END INTEGER_EQUALS;
  62
  63           FUNCTION "=" (L, R : INTEGER) RETURN BOOLEAN RENAMES
  64                        INTEGER_EQUALS.INTEGER_EQUAL."=";
  65
  66           PACKAGE BODY INTEGER_EQUALS IS
  67                FUNCTION EQUAL (L, R : INTEGER) RETURN BOOLEAN IS
  68                BEGIN
  69                     RETURN FALSE;
  70                END EQUAL;
  71           END INTEGER_EQUALS;
  72
  73      BEGIN
  74
  75           IF VAR = 3 THEN
  76                FAILED ("DID NOT USE REDEFINED '=' - 1");
  77           END IF;
  78
  79           IF VAR /= 3 THEN
  80                NULL;
  81           ELSE
  82                FAILED ("DID NOT USE REDEFINED '/=' - 1");
  83           END IF;
  84
  85           IF VAR = IDENT_INT(3) THEN
  86                FAILED ("DID NOT USE REDEFINED '=' - 2");
  87           END IF;
  88
  89           IF VAR /= IDENT_INT(3) THEN
  90                NULL;
  91           ELSE
  92                FAILED ("DID NOT USE REDEFINED '/=' - 2");
  93           END IF;
  94
  95           CHECK := MY(IDENT_INT(0));
  96           IF CHECK /= 0 THEN
  97                FAILED ("USING WRONG EQUALITY FOR DERIVED TYPE");
  98           END IF;
  99
 100           CASE VAR IS
 101                WHEN 1..3 => CHECK := MY(IDENT_INT(1));
 102                WHEN OTHERS => NULL;
 103           END CASE;
 104
 105           IF CHECK /= 1 THEN
 106                FAILED ("DID NOT USE PREDEFINED EQUALS IN CASE - 1");
 107           END IF;
 108
 109           CASE IDENT_INT(VAR) IS
 110                WHEN 1 => CHECK := 4;
 111                WHEN 2 => CHECK := 5;
 112                WHEN 3 => CHECK := 6;
 113                WHEN OTHERS => CHECK := 7;
 114           END CASE;
 115
 116           IF CHECK /= 6 THEN
 117                FAILED ("DID NOT USE PREDEFINED EQUALS IN CASE - 2");
 118           END IF;
 119
 120      END;
 121
 122      RESULT;
 123
 124 END C67005B;