gcc/testsuite/ada/acats/tests/c3/c34009f.ada

   1 -- C34009F.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 -- OBJECTIVE:
  26 --     FOR DERIVED NON-LIMITED PRIVATE TYPES WITH DISCRIMINANTS:
  27
  28 --        CHECK THAT ALL VALUES OF THE PARENT (BASE) TYPE ARE PRESENT
  29 --        FOR THE DERIVED (BASE) TYPE WHEN THE DERIVED TYPE DEFINITION
  30 --        IS CONSTRAINED.
  31
  32 --        CHECK THAT ANY CONSTRAINT IMPOSED ON THE PARENT SUBTYPE IS
  33 --        ALSO IMPOSED ON THE DERIVED SUBTYPE.
  34
  35 -- HISTORY:
  36 --     JRK 08/31/87  CREATED ORIGINAL TEST.
  37
  38 WITH REPORT; USE REPORT;
  39
  40 PROCEDURE C34009F IS
  41
  42      PACKAGE PKG IS
  43
  44           MAX_LEN : CONSTANT := 10;
  45
  46           SUBTYPE LENGTH IS NATURAL RANGE 0 .. MAX_LEN;
  47
  48           TYPE PARENT (B : BOOLEAN := TRUE; L : LENGTH := 1) IS PRIVATE;
  49
  50           FUNCTION CREATE ( B : BOOLEAN;
  51                             L : LENGTH;
  52                             I : INTEGER;
  53                             S : STRING;
  54                             J : INTEGER;
  55                             F : FLOAT;
  56                             X : PARENT  -- TO RESOLVE OVERLOADING.
  57                           ) RETURN PARENT;
  58
  59           FUNCTION CON ( B : BOOLEAN;
  60                          L : LENGTH;
  61                          I : INTEGER;
  62                          S : STRING;
  63                          J : INTEGER
  64                        ) RETURN PARENT;
  65
  66           FUNCTION CON ( B : BOOLEAN;
  67                          L : LENGTH;
  68                          I : INTEGER;
  69                          F : FLOAT
  70                        ) RETURN PARENT;
  71
  72      PRIVATE
  73
  74           TYPE PARENT (B : BOOLEAN := TRUE; L : LENGTH := 1) IS
  75                RECORD
  76                     I : INTEGER;
  77                     CASE B IS
  78                          WHEN TRUE =>
  79                               S : STRING (1 .. L);
  80                               J : INTEGER;
  81                          WHEN FALSE =>
  82                               F : FLOAT := 5.0;
  83                     END CASE;
  84                END RECORD;
  85
  86      END PKG;
  87
  88      USE PKG;
  89
  90      TYPE T IS NEW PARENT (IDENT_BOOL (TRUE), IDENT_INT (3));
  91
  92      SUBTYPE SUBPARENT IS PARENT (TRUE, 3);
  93
  94      TYPE S IS NEW SUBPARENT;
  95
  96      X : T;
  97      Y : S;
  98
  99      PACKAGE BODY PKG IS
 100
 101           FUNCTION CREATE
 102              ( B : BOOLEAN;
 103                L : LENGTH;
 104                I : INTEGER;
 105                S : STRING;
 106                J : INTEGER;
 107                F : FLOAT;
 108                X : PARENT
 109              ) RETURN PARENT
 110           IS
 111           BEGIN
 112                CASE B IS
 113                     WHEN TRUE =>
 114                          RETURN (TRUE, L, I, S, J);
 115                     WHEN FALSE =>
 116                          RETURN (FALSE, L, I, F);
 117                END CASE;
 118           END CREATE;
 119
 120           FUNCTION CON
 121              ( B : BOOLEAN;
 122                L : LENGTH;
 123                I : INTEGER;
 124                S : STRING;
 125                J : INTEGER
 126              ) RETURN PARENT
 127           IS
 128           BEGIN
 129                RETURN (TRUE, L, I, S, J);
 130           END CON;
 131
 132           FUNCTION CON
 133              ( B : BOOLEAN;
 134                L : LENGTH;
 135                I : INTEGER;
 136                F : FLOAT
 137              ) RETURN PARENT
 138           IS
 139           BEGIN
 140                RETURN (FALSE, L, I, F);
 141           END CON;
 142
 143      END PKG;
 144
 145 BEGIN
 146      TEST ("C34009F", "CHECK THAT ALL VALUES OF THE PARENT (BASE) " &
 147                       "TYPE ARE PRESENT FOR THE DERIVED (BASE) TYPE " &
 148                       "WHEN THE DERIVED TYPE DEFINITION IS " &
 149                       "CONSTRAINED.  ALSO CHECK THAT ANY CONSTRAINT " &
 150                       "IMPOSED ON THE PARENT SUBTYPE IS ALSO IMPOSED " &
 151                       "ON THE DERIVED SUBTYPE.  CHECK FOR DERIVED " &
 152                       "NON-LIMITED PRIVATE TYPES WITH DISCRIMINANTS");
 153
 154      X := CON (TRUE, 3, 2, "AAA", 2);
 155      Y := CON (TRUE, 3, 2, "AAA", 2);
 156
 157      -- CHECK THAT BASE TYPE VALUES NOT IN THE SUBTYPE ARE PRESENT.
 158
 159      IF CREATE (FALSE, 2, 3, "ZZ", 5, 6.0, X) /=
 160         CON (FALSE, 2, 3, 6.0) OR
 161         CREATE (FALSE, 2, 3, "ZZ", 5, 6.0, Y) /=
 162         CON (FALSE, 2, 3, 6.0) THEN
 163           FAILED ("CAN'T CREATE BASE TYPE VALUES OUTSIDE THE SUBTYPE");
 164      END IF;
 165
 166      IF CREATE (FALSE, 2, 3, "ZZ", 5, 6.0, X) IN T OR
 167         CREATE (FALSE, 2, 3, "ZZ", 5, 6.0, Y) IN S THEN
 168           FAILED ("INCORRECT ""IN""");
 169      END IF;
 170
 171      -- CHECK THE DERIVED SUBTYPE CONSTRAINT.
 172
 173      IF X.B /= TRUE OR X.L /= 3 OR
 174         Y.B /= TRUE OR Y.L /= 3 THEN
 175           FAILED ("INCORRECT SELECTION OF DISCRIMINANT VALUES");
 176      END IF;
 177
 178      IF NOT X'CONSTRAINED OR NOT Y'CONSTRAINED THEN
 179           FAILED ("INCORRECT 'CONSTRAINED");
 180      END IF;
 181
 182      BEGIN
 183           X := CON (TRUE, 3, 1, "ABC", 4);
 184           Y := CON (TRUE, 3, 1, "ABC", 4);
 185           IF PARENT (X) /= PARENT (Y) THEN  -- USE X AND Y.
 186                FAILED ("INCORRECT CONVERSION TO PARENT");
 187           END IF;
 188      EXCEPTION
 189           WHEN OTHERS =>
 190                FAILED ("EXCEPTION RAISED BY OK ASSIGNMENT");
 191      END;
 192
 193      BEGIN
 194           X := CON (FALSE, 3, 2, 6.0);
 195           FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
 196                   "X := CON (FALSE, 3, 2, 6.0)");
 197           IF X = CON (FALSE, 3, 2, 6.0) THEN  -- USE X.
 198                COMMENT ("X ALTERED -- X := CON (FALSE, 3, 2, 6.0)");
 199           END IF;
 200      EXCEPTION
 201           WHEN CONSTRAINT_ERROR =>
 202                NULL;
 203           WHEN OTHERS =>
 204                FAILED ("WRONG EXCEPTION RAISED -- " &
 205                        "X := CON (FALSE, 3, 2, 6.0)");
 206      END;
 207
 208      BEGIN
 209           X := CON (TRUE, 4, 2, "ZZZZ", 6);
 210           FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
 211                   "X := CON (TRUE, 4, 2, ""ZZZZ"", 6)");
 212           IF X = CON (TRUE, 4, 2, "ZZZZ", 6) THEN  -- USE X.
 213                COMMENT ("X ALTERED -- " &
 214                         "X := CON (TRUE, 4, 2, ""ZZZZ"", 6)");
 215           END IF;
 216      EXCEPTION
 217           WHEN CONSTRAINT_ERROR =>
 218                NULL;
 219           WHEN OTHERS =>
 220                FAILED ("WRONG EXCEPTION RAISED -- " &
 221                        "X := CON (TRUE, 4, 2, ""ZZZZ"", 6)");
 222      END;
 223
 224      BEGIN
 225           Y := CON (FALSE, 3, 2, 6.0);
 226           FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
 227                   "Y := CON (FALSE, 3, 2, 6.0)");
 228           IF Y = CON (FALSE, 3, 2, 6.0) THEN  -- USE Y.
 229                COMMENT ("Y ALTERED -- Y := CON (FALSE, 3, 2, 6.0)");
 230           END IF;
 231      EXCEPTION
 232           WHEN CONSTRAINT_ERROR =>
 233                NULL;
 234           WHEN OTHERS =>
 235                FAILED ("WRONG EXCEPTION RAISED -- " &
 236                        "Y := CON (FALSE, 3, 2, 6.0)");
 237      END;
 238
 239      BEGIN
 240           Y := CON (TRUE, 4, 2, "ZZZZ", 6);
 241           FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
 242                   "Y := CON (TRUE, 4, 2, ""ZZZZ"", 6)");
 243           IF Y = CON (TRUE, 4, 2, "ZZZZ", 6) THEN  -- USE Y.
 244                COMMENT ("Y ALTERED -- " &
 245                         "Y := CON (TRUE, 4, 2, ""ZZZZ"", 6)");
 246           END IF;
 247      EXCEPTION
 248           WHEN CONSTRAINT_ERROR =>
 249                NULL;
 250           WHEN OTHERS =>
 251                FAILED ("WRONG EXCEPTION RAISED -- " &
 252                        "Y := CON (TRUE, 4, 2, ""ZZZZ"", 6)");
 253      END;
 254
 255      RESULT;
 256 END C34009F;