gcc/testsuite/ada/acats/tests/c8/c87b45a.ada

   1 -- C87B45A.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 SUBPROGRAM 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  24 JUNE 82
  38
  39 WITH REPORT; USE REPORT;
  40
  41 PROCEDURE C87B45A 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 ("C87B45A","OVERLOADED INITIALIZATION EXPRESSIONS" &
  69            " IN DEFAULT SUBPROGRAM 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           PROCEDURE P1 (I1 : INTEGER := F1  (0, 0);
  85                         W1 : WHOLE   := F1  (0, 0);
  86                         C1 : CITRUS  := F1  (0, 0);
  87                         H1 : HUE     := F1  (0, 0);
  88                         I2 : INTEGER := "/" (0, 0);
  89                         W2 : WHOLE   := "/" (0, 0);
  90                         C2 : CITRUS  := "/" (0, 0);
  91                         H2 : HUE     := "/" (0, 0);
  92                         I3 : INTEGER := (0 / 0);
  93                         W3 : WHOLE   := (0 / 0);
  94                         C3 : CITRUS  := (0 / 0);
  95                         H3 : HUE     := (0 / 0);
  96                         C4 : CITRUS  := ORANGE;
  97                         H4 : HUE     := ORANGE)  IS
  98           BEGIN
  99                IF I1              /= -1 OR W1           /= 0 OR
 100                   CITRUS'POS (C1) /=  2 OR HUE'POS (H1) /= 1 THEN
 101                   FAILED ("(A): RESOLUTION INCORRECT - FUNCTION CALL");
 102                END IF;
 103
 104                IF I2              /= -1 OR W2           /= 0 OR
 105                   CITRUS'POS (C2) /=  2 OR HUE'POS (H2) /= 1 THEN
 106                   FAILED ("(B): RESOLUTION INCORRECT " &
 107                           "- OPERATOR SYMBOL");
 108                END IF;
 109
 110                IF I3              /= -1 OR W3           /= 0 OR
 111                   CITRUS'POS (C3) /=  2 OR HUE'POS (H3) /= 1 THEN
 112                   FAILED ("(C): RESOLUTION INCORRECT - INFIX OPERATOR");
 113                END IF;
 114
 115                IF CITRUS'POS (C4) /=  2 OR HUE'POS (H4) /= 1 THEN
 116                   FAILED ("(D): RESOLUTION INCORRECT - ENUMERATION " &
 117                           "LITERAL");
 118                END IF;
 119           END P1;
 120
 121      BEGIN
 122           P1;
 123      END;
 124
 125      RESULT;
 126 END C87B45A;