old-autovect-branch/gcc/testsuite/ada/acats/tests/c8/c87b45c.ada

   1 -- C87B45C.ADA
   2
   3 --                             Grant of Unlimited Rights
   4 --
   5 --     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
   6 --     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
   7 --     unlimited rights in the software and documentation contained herein.
   8 --     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
   9 --     this public release, the Government intends to confer upon all
  10 --     recipients unlimited rights  equal to those held by the Government.
  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
  13 --     any manner and for any purpose whatsoever, and to have or permit others
  14 --     to do so.
  15 --
  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 OVERLOADING RESOLUTION USES THE RULE THAT:
  26 --
  27 -- FOR A DEFAULT ENTRY PARAMETER, THE TYPE OF THE INITIALIZATION
  28 -- EXPRESSION MUST MATCH THE PARAMETERS'S EXPLICIT TYPEMARK.
  29 --
  30 -- THE FOUR KINDS OF EXPRESSIONS TESTED HERE ARE:
  31 --
  32 --    (A): A CALL TO AN OVERLOADED FUNCTION.
  33 --    (B): AN OVERLOADED OPERATOR SYMBOL.
  34 --    (C): AN OVERLOADED (INFIX) OPERATOR.
  35 --    (D): AN OVERLOADED ENUMERATION LITERAL.
  36
  37 -- TRH  7 JULY 82
  38
  39 WITH REPORT; USE REPORT;
  40
  41 PROCEDURE C87B45C IS
  42
  43      TYPE WHOLE  IS NEW INTEGER RANGE 0..INTEGER'LAST;
  44      TYPE CITRUS IS (LEMON, LIME, ORANGE);
  45      TYPE HUE    IS (RED, ORANGE, YELLOW);
  46
  47      FUNCTION F1 (X, Y : INTEGER) RETURN INTEGER IS
  48      BEGIN
  49           RETURN -1;
  50      END F1;
  51
  52      FUNCTION F1 (X, Y : WHOLE) RETURN WHOLE IS
  53      BEGIN
  54           RETURN 0;
  55      END F1;
  56
  57      FUNCTION F1 (X, Y : INTEGER) RETURN HUE IS
  58      BEGIN
  59           RETURN ORANGE;
  60      END F1;
  61
  62      FUNCTION F1 (X, Y : INTEGER) RETURN CITRUS IS
  63      BEGIN
  64           RETURN ORANGE;
  65      END F1;
  66
  67 BEGIN
  68      TEST ("C87B45C","OVERLOADED INITIALIZATION EXPRESSIONS" &
  69            " IN DEFAULT ENTRY PARAMETERS");
  70      DECLARE
  71
  72           FUNCTION "*" (X, Y : INTEGER) RETURN INTEGER
  73                RENAMES F1;
  74
  75           FUNCTION "*" (X, Y : WHOLE)   RETURN WHOLE
  76                RENAMES F1;
  77
  78           FUNCTION "*" (X, Y : INTEGER) RETURN HUE
  79                RENAMES F1;
  80
  81           FUNCTION "*" (X, Y : INTEGER) RETURN CITRUS
  82                RENAMES F1;
  83
  84           TASK T1 IS
  85                ENTRY E1 (I1 : INTEGER := F1  (0, 0);
  86                          W1 : WHOLE   := F1  (0, 0);
  87                          C1 : CITRUS  := F1  (0, 0);
  88                          H1 : HUE     := F1  (0, 0);
  89                          I2 : INTEGER := "*" (0, 0);
  90                          W2 : WHOLE   := "*" (0, 0);
  91                          C2 : CITRUS  := "*" (0, 0);
  92                          H2 : HUE     := "*" (0, 0);
  93                          I3 : INTEGER := (0 * 0);
  94                          W3 : WHOLE   := (0 * 0);
  95                          C3 : CITRUS  := (0 * 0);
  96                          H3 : HUE     := (0 * 0);
  97                          C4 : CITRUS  := ORANGE;
  98                          H4 : HUE     := ORANGE);
  99           END T1;
 100
 101           TASK BODY T1 IS
 102           BEGIN
 103                ACCEPT E1 (I1 : INTEGER := F1  (0, 0);
 104                           W1 : WHOLE   := F1  (0, 0);
 105                           C1 : CITRUS  := F1  (0, 0);
 106                           H1 : HUE     := F1  (0, 0);
 107                           I2 : INTEGER := "*" (0, 0);
 108                           W2 : WHOLE   := "*" (0, 0);
 109                           C2 : CITRUS  := "*" (0, 0);
 110                           H2 : HUE     := "*" (0, 0);
 111                           I3 : INTEGER := (0 * 0);
 112                           W3 : WHOLE   := (0 * 0);
 113                           C3 : CITRUS  := (0 * 0);
 114                           H3 : HUE     := (0 * 0);
 115                           C4 : CITRUS  := ORANGE;
 116                           H4 : HUE     := ORANGE) DO
 117
 118                     IF I1              /= -1 OR W1           /= 0 OR
 119                        CITRUS'POS (C1) /=  2 OR HUE'POS (H1) /= 1 THEN
 120                        FAILED ("(A): RESOLUTION INCORRECT - FUNCTION");
 121                     END IF;
 122
 123                     IF I2              /= -1 OR W2           /= 0 OR
 124                        CITRUS'POS (C2) /=  2 OR HUE'POS (H2) /= 1 THEN
 125                        FAILED ("(B): RESOLUTION INCORRECT " &
 126                                "- OPERATOR SYMBOL");
 127                     END IF;
 128
 129                     IF I3              /= -1 OR W3           /= 0 OR
 130                        CITRUS'POS (C3) /=  2 OR HUE'POS (H3) /= 1 THEN
 131                        FAILED ("(C): RESOLUTION INCORRECT - INFIX " &
 132                                "OPERATOR");
 133                     END IF;
 134
 135                     IF CITRUS'POS (C4) /=  2 OR HUE'POS (H4) /= 1 THEN
 136                        FAILED ("(D): RESOLUTION INCORRECT - " &
 137                           "ENUMERATION LITERAL");
 138                     END IF;
 139
 140                END E1;
 141           END T1;
 142
 143      BEGIN
 144           T1.E1;
 145      END;
 146
 147      RESULT;
 148 END C87B45C;