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-- CE3602A.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.

--*

-- OBJECTIVE:

--     CHECK THAT GET FOR CHARACTERS AND STRINGS ALLOW A STRING TO SPAN

--     OVER MORE THAN ONE LINE, SKIPPING INTERVENING LINE AND PAGE

--     TERMINATORS.  ALSO CHECK THAT GET ACCEPTS A NULL STRING ACTUAL

--     PARAMETER AND A STRING SLICE.

-- APPLICABILITY CRITERIA:

--     THIS TEST IS APPLICABLE ONLY TO IMPLEMENTATIONS WHICH SUPPORT

--     TEXT FILES.

-- HISTORY:

--     SPS 08/30/82

--     VKG 01/26/83

--     JBG 02/22/84  CHANGED TO .ADA TEST

--     RJW 11/04/86  REVISED TEST TO OUTPUT A NOT_APPLICABLE

--                   RESULT WHEN FILES ARE NOT SUPPORTED.

--     JLH 09/04/87  REMOVED DEPENDENCE ON RESET, CORRECTED EXCEPTION

--                   HANDLING, AND ADDED NEW CASES FOR OBJECTIVE.

WITH REPORT;

USE REPORT;

WITH TEXT_IO;

USE TEXT_IO;

PROCEDURE CE3602A IS

     INCOMPLETE : EXCEPTION;

BEGIN

     TEST ("CE3602A", "CHECK THAT GET FOR CHARACTERS AND STRINGS " &

                      "ALLOWS A STRING TO SPAN OVER MORE THAN ONE " &

                      "LINE, SKIPPING INTERVENING LINE AND PAGE " &

                      "TERMINATORS.  ALSO CHECK THAT GET ACCEPTS " &

                      "A NULL STRING ACTUAL PARAMETER AND A STRING " &

                      "SLICE");

     DECLARE

          FILE1 : FILE_TYPE;

          ST : STRING (1 .. 40);

          STR: STRING (1 .. 100);

          NST: STRING (1 .. 0);

          ORIGINAL_LINE_LENGTH : COUNT;

-- READ_CHARS RETURNS A STRING OF N CHARACTERS FROM A GIVEN FILE.

          FUNCTION READ_CHARS (FILE : FILE_TYPE;

                               N    : NATURAL )

                               RETURN STRING IS

          C: CHARACTER;

          BEGIN

               IF N = 0 THEN RETURN "";

               ELSE

                    GET (FILE,C);

                    RETURN C&READ_CHARS (FILE,N-1);

               END IF;

          EXCEPTION

               WHEN OTHERS =>

                    FAILED ("ERROR ON READ_CHARS");

          END READ_CHARS;

     BEGIN

-- CREATE AND INITIALIZE TEST DATA FILE

          BEGIN

               CREATE (FILE1, OUT_FILE, LEGAL_FILE_NAME);

          EXCEPTION

               WHEN USE_ERROR =>

                    NOT_APPLICABLE ("USE_ERROR RAISED ON TEXT CREATE " &

                                    "WITH OUT_FILE MODE");

                    RAISE INCOMPLETE;

               WHEN NAME_ERROR =>

                    NOT_APPLICABLE ("NAME_ERROR RAISED ON TEXT " &

                                    "CREATE WITH OUT_FILE MODE");

                    RAISE INCOMPLETE;

               WHEN OTHERS =>

                    FAILED ("UNEXPECTED EXCEPTION RAISED ON " &

                            "TEXT CREATE");

                    RAISE INCOMPLETE;

          END;

          ORIGINAL_LINE_LENGTH := LINE_LENGTH;

-- LINE_LENGTH SET IN CASE IMPLEMENTATION REQUIRES BOUNDED LENGTH LINES

          SET_LINE_LENGTH (16);

          PUT (FILE1, "THIS LINE SHALL ");

          SET_LINE_LENGTH (10);

          PUT (FILE1, "SPAN OVER ");

          SET_LINE_LENGTH (14);

          PUT (FILE1, "SEVERAL LINES.");

          CLOSE (FILE1);

          SET_LINE_LENGTH (ORIGINAL_LINE_LENGTH);

-- BEGIN TEST

          BEGIN

               BEGIN

                    OPEN (FILE1, IN_FILE, LEGAL_FILE_NAME);

               EXCEPTION

                    WHEN USE_ERROR =>

                         NOT_APPLICABLE ("USE_ERROR RAISED ON TEXT " &

                                         "OPEN WITH IN_FILE MODE - 1");

                         RAISE INCOMPLETE;

               END;

               STR(1..40) := READ_CHARS (FILE1, 40);

               CLOSE (FILE1);

               OPEN (FILE1, IN_FILE, LEGAL_FILE_NAME);

               GET (FILE1, ST);

               IF STR(1..40) /= ST THEN

                    FAILED ("GET FOR STRING INCORRECT");

               END IF;

               IF STR(1..40) /= "THIS LINE SHALL SPAN OVER SEVERAL " &

                                "LINES." THEN

                    FAILED ("INCORRECT VALUE READ");

               END IF;

-- GET NULL STRING

               CLOSE (FILE1);

               OPEN (FILE1, IN_FILE, LEGAL_FILE_NAME);

               BEGIN

                    GET (FILE1, NST);

               EXCEPTION

                    WHEN OTHERS =>

                         FAILED (" GET FAILED ON NULL STRING");

               END;

-- GET NULL SLICE

               BEGIN

                    GET (FILE1, STR (10 .. 1));

               EXCEPTION

                    WHEN OTHERS =>

                         FAILED ("GET FAILED ON A NULL SLICE");

               END;

               BEGIN

                    DELETE (FILE1);

               EXCEPTION

                    WHEN USE_ERROR =>

                         NULL;

               END;

          END;

     EXCEPTION

          WHEN INCOMPLETE =>

               NULL;

     END;

     RESULT;

END CE3602A;