gcc/testsuite/ada/acats/tests/c9/c93005b.ada

   1 -- C93005B.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 WHEN AN EXCEPTION IS RAISED IN A DECLARATIVE PART, A TASK
  26 -- DECLARED IN THE SAME DECLARATIVE PART BECOMES TERMINATED.
  27
  28 -- CHECK THAT A TASK WAITING ON ENTRIES OF SUCH A
  29 -- TERMINATED-BEFORE-ACTIVATION TASK RECEIVES TASKING_ERROR.
  30
  31 -- THIS TEST CHECKS THE CASE IN WHICH SEVERAL TASKS ARE WAITING FOR
  32 -- ACTIVATION WHEN THE EXCEPTION OCCURS.
  33
  34 -- R. WILLIAMS 8/7/86
  35 -- PWN 11/30/94 REMOVED PRAGMA PRIORITY INSTANCES FOR ADA 9X.
  36
  37 WITH SYSTEM; USE SYSTEM;
  38 WITH REPORT; USE REPORT;
  39
  40 PROCEDURE C93005B IS
  41
  42
  43 BEGIN
  44      TEST ( "C93005B", "CHECK THAT WHEN AN EXCEPTION IS RAISED IN A " &
  45                        "DECLARATIVE PART, A TASK DECLARED IN THE " &
  46                        "SAME DECLARATIVE PART BECOMES TERMINATED. " &
  47                        "IN THIS CASE, SEVERAL TASKS ARE WAITING FOR " &
  48                        "ACTIVATION WHEN THE EXCEPTION OCCURS" );
  49
  50      BEGIN
  51
  52           DECLARE
  53                TASK TYPE TA IS      -- CHECKS THAT TX TERMINATES.
  54                END TA;
  55
  56                TYPE ATA IS ACCESS TA;
  57
  58                TASK TYPE TB IS      -- CHECKS THAT TY TERMINATES.
  59                END TB;
  60
  61                TYPE TBREC IS
  62                     RECORD
  63                          TTB: TB;
  64                     END RECORD;
  65
  66                TASK TX IS          -- WILL NEVER BE ACTIVATED.
  67                     ENTRY E;
  68                END TX;
  69
  70                TASK BODY TA IS
  71                BEGIN
  72                     DECLARE  -- THIS BLOCK TO CHECK THAT TAB
  73                              -- TERMINATES.
  74                          TASK TAB IS
  75                          END TAB;
  76
  77                          TASK BODY TAB IS
  78                          BEGIN
  79                               TX.E;
  80                               FAILED ( "RENDEZVOUS COMPLETED " &
  81                                        "WITHOUT ERROR - TAB" );
  82                          EXCEPTION
  83                               WHEN TASKING_ERROR =>
  84                                    NULL;
  85                               WHEN OTHERS =>
  86                                    FAILED ( "ABNORMAL EXCEPTION " &
  87                                             "- TAB" );
  88                          END TAB;
  89                     BEGIN
  90                          NULL;
  91                     END;
  92
  93                     TX.E;    --TX IS NOW TERMINATED.
  94
  95                     FAILED ( "RENDEZVOUS COMPLETED WITHOUT ERROR " &
  96                              "- TA" );
  97
  98                EXCEPTION
  99                     WHEN TASKING_ERROR =>
 100                          NULL;
 101                     WHEN OTHERS =>
 102                          FAILED ( "ABNORMAL EXCEPTION - TA" );
 103                END TA;
 104
 105                PACKAGE RAISE_IT IS
 106                     TASK TY IS             -- WILL NEVER BE ACTIVATED.
 107                          ENTRY E;
 108                     END TY;
 109                END RAISE_IT;
 110
 111                TASK BODY TB IS
 112                BEGIN
 113                     DECLARE  -- THIS BLOCK TO CHECK THAT TBB
 114                              -- TERMINATES.
 115                          TASK TBB IS
 116                          END TBB;
 117
 118                          TASK BODY TBB IS
 119                          BEGIN
 120                               RAISE_IT.TY.E;
 121                               FAILED ( "RENDEZVOUS COMPLETED " &
 122                                        "WITHOUT ERROR - TBB" );
 123                          EXCEPTION
 124                               WHEN TASKING_ERROR =>
 125                                    NULL;
 126                               WHEN OTHERS =>
 127                                    FAILED ( "ABNORMAL EXCEPTION " &
 128                                             "- TBB" );
 129                          END TBB;
 130                     BEGIN
 131                          NULL;
 132                     END;
 133
 134                     RAISE_IT.TY.E;    -- TY IS NOW TERMINATED.
 135
 136                     FAILED ( "RENDEZVOUS COMPLETED WITHOUT ERROR " &
 137                              "- TB" );
 138
 139                EXCEPTION
 140                     WHEN TASKING_ERROR =>
 141                          NULL;
 142                     WHEN OTHERS =>
 143                          FAILED ( "ABNORMAL EXCEPTION - TB" );
 144                END TB;
 145
 146                PACKAGE START_TC IS END START_TC;
 147
 148                TASK BODY TX IS
 149                BEGIN
 150                     FAILED ( "TX ACTIVATED" );
 151                     -- IN CASE OF FAILURE.
 152                     LOOP
 153                          SELECT
 154                               ACCEPT E;
 155                          OR
 156                               TERMINATE;
 157                          END SELECT;
 158                     END LOOP;
 159                END TX;
 160
 161                PACKAGE START_TZ IS
 162                     TASK TZ IS             -- WILL NEVER BE ACTIVATED.
 163                          ENTRY E;
 164                     END TZ;
 165                END START_TZ;
 166
 167                PACKAGE BODY START_TC IS
 168                     TBREC1 : TBREC;     -- CHECKS THAT TY TERMINATES.
 169
 170                     TASK TC IS -- CHECKS THAT TZ TERMINATES.
 171                     END TC;
 172
 173                     TASK BODY TC IS
 174                     BEGIN
 175                          DECLARE  -- THIS BLOCK TO CHECK THAT TCB
 176                                   -- TERMINATES.
 177
 178                               TASK TCB IS
 179                               END TCB;
 180
 181                               TASK BODY TCB IS
 182                               BEGIN
 183                                    START_TZ.TZ.E;
 184                                    FAILED ( "RENDEZVOUS COMPLETED " &
 185                                             "WITHOUT " &
 186                                             "ERROR - TCB" );
 187                               EXCEPTION
 188                                    WHEN TASKING_ERROR =>
 189                                         NULL;
 190                                    WHEN OTHERS =>
 191                                         FAILED ( "ABNORMAL " &
 192                                                  "EXCEPTION - TCB" );
 193                               END TCB;
 194                          BEGIN
 195                               NULL;
 196                          END;
 197
 198                          START_TZ.TZ.E;    -- TZ IS NOW TERMINATED.
 199
 200                          FAILED ( "RENDEZVOUS COMPLETED WITHOUT " &
 201                                   "ERROR - TC" );
 202
 203                     EXCEPTION
 204                          WHEN TASKING_ERROR =>
 205                               NULL;
 206                          WHEN OTHERS =>
 207                               FAILED ( "ABNORMAL EXCEPTION - TC" );
 208                     END TC;
 209                END START_TC;     -- TBREC1 AND TC ACTIVATED HERE.
 210
 211                PACKAGE BODY RAISE_IT IS
 212                     NTA : ATA := NEW TA;  -- NTA.ALL ACTIVATED HERE.
 213
 214                     TASK BODY TY IS
 215                     BEGIN
 216                          FAILED ( "TY ACTIVATED" );
 217                          -- IN CASE OF FAILURE.
 218                          LOOP
 219                               SELECT
 220                                    ACCEPT E;
 221                               OR
 222                                    TERMINATE;
 223                               END SELECT;
 224                          END LOOP;
 225                     END TY;
 226
 227                     PACKAGE XCEPTION IS
 228                          I : POSITIVE := IDENT_INT (0); -- RAISE
 229                                                    -- CONSTRAINT_ERROR.
 230                     END XCEPTION;
 231
 232                     USE XCEPTION;
 233
 234                BEGIN   -- TY WOULD BE ACTIVATED HERE.
 235
 236                     IF I /= IDENT_INT (2) OR I = IDENT_INT (1) + 1 THEN
 237                          FAILED ( "PACKAGE DIDN'T RAISE EXCEPTION" );
 238                     END IF;
 239                END RAISE_IT;
 240
 241                PACKAGE BODY START_TZ IS
 242                     TASK BODY TZ IS
 243                     BEGIN
 244                          FAILED ( "TZ ACTIVATED" );
 245                          -- IN CASE OF FAILURE.
 246                          LOOP
 247                               SELECT
 248                                    ACCEPT E;
 249                               OR
 250                                    TERMINATE;
 251                               END SELECT;
 252                          END LOOP;
 253                     END TZ;
 254                END START_TZ;    -- TZ WOULD BE ACTIVATED HERE.
 255
 256           BEGIN     -- TX WOULD BE ACTIVATED HERE.
 257                     -- CAN'T LEAVE BLOCK UNTIL TA, TB, AND TC ARE TERM.
 258
 259                FAILED ( "EXCEPTION NOT RAISED" );
 260           END;
 261
 262      EXCEPTION
 263           WHEN CONSTRAINT_ERROR =>
 264                NULL;
 265           WHEN TASKING_ERROR =>
 266                FAILED ( "TASKING_ERROR IN MAIN PROGRAM" );
 267           WHEN OTHERS =>
 268                FAILED ( "ABNORMAL EXCEPTION IN MAIN" );
 269      END;
 270
 271      RESULT;
 272
 273 END C93005B;