gcc/testsuite/ada/acats/tests/c8/c87b17a.ada

   1 -- C87B17A.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 -- THE INITIALIZATION EXPRESSION FOR A DEFAULT DISCRIMINANT
  28 -- IN A TYPE DECLARATION MUST MATCH THE DISCRIMINANT'S EXPLICIT
  29 -- TYPEMARK.
  30 --
  31 -- THE THREE KINDS OF TYPE DECLARATIONS TESTED HERE ARE:
  32 --
  33 --    (A): RECORD TYPE.
  34 --    (B): PRIVATE TYPE.
  35 --    (C): INCOMPLETE RECORD TYPE.
  36
  37 -- TRH  18 JUNE 82
  38
  39 WITH REPORT; USE REPORT;
  40
  41 PROCEDURE C87B17A 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 ("C87B17A","OVERLOADED INITIALIZATION EXPRESSIONS" &
  69            " IN DEFAULT DISCRIMINANTS");
  70
  71      DECLARE
  72
  73           FUNCTION "+" (X, Y : INTEGER) RETURN INTEGER
  74                RENAMES F1;
  75
  76           FUNCTION "+" (X, Y : WHOLE)   RETURN WHOLE
  77                RENAMES F1;
  78
  79           FUNCTION "+" (X, Y : INTEGER) RETURN HUE
  80                RENAMES F1;
  81
  82           FUNCTION "+" (X, Y : INTEGER) RETURN CITRUS
  83                RENAMES F1;
  84
  85           TYPE REC1 (I1 : INTEGER := 0 + 0; H1 : HUE := F1 (0, 0) ) IS
  86                RECORD
  87                     NULL;
  88                END RECORD;
  89
  90           PACKAGE PVT IS
  91                TYPE REC2 (H2 : HUE := ORANGE; W2 : WHOLE := 0 + 0 )
  92                     IS PRIVATE;
  93           PRIVATE
  94                TYPE REC2 (H2 : HUE := ORANGE; W2 : WHOLE := 0 + 0 ) IS
  95                     RECORD
  96                          NULL;
  97                     END RECORD;
  98           END PVT;
  99           USE PVT;
 100
 101           TYPE REC3 (C1 : CITRUS := ORANGE; W1 : WHOLE := "+" (0, 0));
 102
 103           TYPE LINK IS ACCESS REC3;
 104
 105           TYPE REC3 (C1 : CITRUS := ORANGE; W1 : WHOLE := "+" (0, 0)) IS
 106                RECORD
 107                     NULL;
 108                END RECORD;
 109
 110           R1 : REC1;
 111           R2 : REC2;
 112           R3 : REC3;
 113
 114      BEGIN
 115           IF R1.I1 /= -1 OR HUE'POS (R1.H1) /= 1 THEN
 116              FAILED ("(A): RESOLUTION INCORRECT FOR RECORD TYPES");
 117           END IF;
 118
 119           IF HUE'POS (R2.H2) /=  1 OR R2.W2 /= 0 THEN
 120              FAILED ("(B): RESOLUTION INCORRECT FOR PRIVATE TYPES");
 121           END IF;
 122
 123           IF CITRUS'POS (R3.C1) /= 2 OR R3.W1 /= 0 THEN
 124              FAILED ("(C): RESOLUTION INCORRECT FOR INCOMPLETE" &
 125                      " RECORD TYPES");
 126           END IF;
 127      END;
 128
 129      RESULT;
 130 END C87B17A;