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-- C53007A.ADA

--                             Grant of Unlimited Rights

--

--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,

--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained 

--     unlimited rights in the software and documentation contained herein.

--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making 

--     this public release, the Government intends to confer upon all 

--     recipients unlimited rights  equal to those held by the Government.  

--     These rights include rights to use, duplicate, release or disclose the 

--     released technical data and computer software in whole or in part, in 

--     any manner and for any purpose whatsoever, and to have or permit others 

--     to do so.

--

--                                    DISCLAIMER

--

--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR

--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED 

--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE

--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE 

--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A

--     PARTICULAR PURPOSE OF SAID MATERIAL.

--*

-- CHECK THAT CONTROL FLOWS CORRECTLY IN SIMPLE NESTED IF_STATEMENTS.

-- JRK 7/23/80

-- SPS 3/4/83

WITH REPORT;

PROCEDURE C53007A IS

     USE REPORT;

     CI1 : CONSTANT INTEGER := 1;

     CI9 : CONSTANT INTEGER := 9;

     CBT : CONSTANT BOOLEAN := TRUE;

     CBF : CONSTANT BOOLEAN := FALSE;

     VI1 : INTEGER := IDENT_INT(1);

     VI9 : INTEGER := IDENT_INT(9);

     VBT : BOOLEAN := IDENT_BOOL(TRUE);

     VBF : BOOLEAN := IDENT_BOOL(FALSE);

     FLOW_COUNT : INTEGER := 0;

BEGIN

     TEST ("C53007A", "CHECK THAT CONTROL FLOWS CORRECTLY IN SIMPLE " &

           "NESTED IF_STATEMENTS");

     IF VBF THEN  -- (FALSE)

          FAILED ("INCORRECT CONTROL FLOW 1");

     ELSIF CI9 < 20 THEN  -- (TRUE)

          FLOW_COUNT := FLOW_COUNT + 1;

          IF VI1 /= 0 AND TRUE THEN  -- (TRUE)

               FLOW_COUNT := FLOW_COUNT + 1;

          ELSE FAILED ("INCORRECT CONTROL FLOW 2");

          END IF;

     ELSE FAILED ("INCORRECT CONTROL FLOW 3");

     END IF;

     IF CBF OR ELSE VI9 = 9 THEN  -- (TRUE)

          IF VI1 + CI9 > 0 OR (CBF AND VBT) THEN  -- (TRUE)

               FLOW_COUNT := FLOW_COUNT + 1;

          END IF;

     ELSIF VBF OR VI1 > 10 THEN  -- (FALSE)

          FAILED ("INCORRECT CONTROL FLOW 4");

     END IF;

     IF NOT CBT AND THEN NOT VBT AND THEN CI9 < 0 THEN  -- (FALSE)

          IF FALSE OR NOT TRUE THEN  -- (FALSE)

               FAILED ("INCORRECT CONTROL FLOW 5");

          ELSIF VI1 >= 0 THEN  -- (TRUE)

               NULL;

          ELSE FAILED ("INCORRECT CONTROL FLOW 6");

          END IF;

          FAILED ("INCORRECT CONTROL FLOW 7");

     ELSIF (VI1 * CI9 + 3 < 0) OR (VBT AND NOT (CI1 < 0)) THEN -- (TRUE)

          FLOW_COUNT := FLOW_COUNT + 1;

          IF NOT CBT OR ELSE CI9 + 1 = 0 THEN  -- (FALSE)

               FAILED ("INCORRECT CONTROL FLOW 8");

          ELSE FLOW_COUNT := FLOW_COUNT + 1;

               IF VI1 * 2 > 0 THEN  -- (TRUE)

                    FLOW_COUNT := FLOW_COUNT + 1;

               ELSIF TRUE THEN  -- (TRUE)

                    FAILED ("INCORRECT CONTROL FLOW 9");

               ELSE NULL;

               END IF;

          END IF;

     ELSIF FALSE AND CBF THEN  -- (FALSE)

          FAILED ("INCORRECT CONTROL FLOW 10");

     ELSE IF VBT THEN  -- (TRUE)

               FAILED ("INCORRECT CONTROL FLOW 11");

          ELSIF VI1 = 0 THEN  -- (FALSE)

               FAILED ("INCORRECT CONTROL FLOW 12");

          ELSE FAILED ("INCORRECT CONTROL FLOW 13");

          END IF;

     END IF;

     IF 3 = 5 OR NOT VBT THEN  -- (FALSE)

          FAILED ("INCORRECT CONTROL FLOW 14");

          IF TRUE AND CBT THEN  -- (TRUE)

               FAILED ("INCORRECT CONTROL FLOW 15");

          ELSE FAILED ("INCORRECT CONTROL FLOW 16");

          END IF;

     ELSIF CBF THEN  -- (FALSE)

          IF VI9 >= 0 OR FALSE THEN  -- (TRUE)

               IF VBT THEN  -- (TRUE)

                    FAILED ("INCORRECT CONTROL FLOW 17");

               END IF;

               FAILED ("INCORRECT CONTROL FLOW 18");

          ELSIF VI1 + CI9 /= 0 THEN  -- (TRUE)

               FAILED ("INCORRECT CONTROL FLOW 19");

          END IF;

          FAILED ("INCORRECT CONTROL FLOW 20");

     ELSE IF VBT AND CI9 - 9 = 0 THEN  -- (TRUE)

               IF FALSE THEN  -- (FALSE)

                    FAILED ("INCORRECT CONTROL FLOW 21");

               ELSIF NOT VBF AND THEN CI1 > 0 THEN  -- (TRUE)

                    FLOW_COUNT := FLOW_COUNT + 1;

               ELSE FAILED ("INCORRECT CONTROL FLOW 22");

               END IF;

               FLOW_COUNT := FLOW_COUNT + 1;

          ELSIF NOT CBF OR VI1 /= 0 THEN  -- (TRUE)

               IF VBT THEN  -- (TRUE)

                    NULL;

               END IF;

               FAILED ("INCORRECT CONTROL FLOW 23");

          ELSE FAILED ("INCORRECT CONTROL FLOW 24");

          END IF;

          FLOW_COUNT := FLOW_COUNT + 1;

     END IF;

     IF FLOW_COUNT /= 9 THEN

          FAILED ("INCORRECT FLOW_COUNT VALUE");

     END IF;

     RESULT;

END C53007A;