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1 -- CE2401L.ADA
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2
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3 -- Grant of Unlimited Rights
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4 --
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5 -- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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6 -- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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7 -- unlimited rights in the software and documentation contained herein.
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8 -- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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9 -- this public release, the Government intends to confer upon all
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10 -- recipients unlimited rights equal to those held by the Government.
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11 -- These rights include rights to use, duplicate, release or disclose the
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12 -- released technical data and computer software in whole or in part, in
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13 -- any manner and for any purpose whatsoever, and to have or permit others
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14 -- to do so.
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15 --
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16 -- DISCLAIMER
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17 --
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18 -- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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19 -- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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20 -- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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21 -- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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22 -- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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23 -- PARTICULAR PURPOSE OF SAID MATERIAL.
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24 --*
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25 -- OBJECTIVE:
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26 -- CHECK THAT REWRITING AN ELEMENT DOES NOT CHANGE THE SIZE OF
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27 -- THE FILE.
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28
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29 -- APPLICABILITY CRITERIA:
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30 -- THIS TEST IS ONLY APPLICABLE TO IMPLEMENTATIONS WHICH SUPPORT
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31 -- CREATE WITH INOUT_FILE MODE FOR DIRECT FILES.
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32
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33 -- HISTORY:
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34 -- DWC 08/12/87 CREATED ORIGINAL TEST.
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35
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36 WITH REPORT; USE REPORT;
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37 WITH DIRECT_IO;
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38
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39 PROCEDURE CE2401L IS
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40 END_SUBTEST: EXCEPTION;
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41 BEGIN
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42
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43 TEST ("CE2401L" , "CHECK THAT REWRITING AN ELEMENT DOES NOT " &
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44 "CHANGE THE SIZE OF THE FILE");
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45
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46 DECLARE
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47 PACKAGE DIR_IO IS NEW DIRECT_IO (INTEGER);
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48 USE DIR_IO;
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49 FILE : FILE_TYPE;
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50 BEGIN
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51 BEGIN
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52 CREATE (FILE, INOUT_FILE, LEGAL_FILE_NAME);
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53 EXCEPTION
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54 WHEN USE_ERROR | NAME_ERROR =>
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55 NOT_APPLICABLE ("CREATE WITH INOUT_FILE MODE " &
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56 "NOT SUPPORTED");
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57 RAISE END_SUBTEST;
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58 WHEN OTHERS =>
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59 FAILED ("UNEXPECTED ERROR RAISED ON " &
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60 "CREATE");
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61 RAISE END_SUBTEST;
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62 END;
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63
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64 DECLARE
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65 OUT_ITEM1 : INTEGER := 10;
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66 OUT_ITEM2 : INTEGER := 21;
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67 OUT_ITEM4 : INTEGER := 43;
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68 IN_ITEM : INTEGER;
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69 ONE : POSITIVE_COUNT := 1;
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70 TWO : POSITIVE_COUNT := 2;
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71 FOUR : POSITIVE_COUNT := 4;
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72 OLD_FILE_SIZE : POSITIVE_COUNT;
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73 BEGIN
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74 BEGIN
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75 WRITE (FILE, OUT_ITEM1, ONE);
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76 WRITE (FILE, OUT_ITEM4, FOUR);
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77 EXCEPTION
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78 WHEN OTHERS =>
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79 FAILED ("EXCEPTION RAISED ON WRITE " &
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80 "IN INOUT_FILE MODE");
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81 RAISE END_SUBTEST;
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82 END;
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83
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84 OLD_FILE_SIZE := SIZE (FILE);
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85
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86 WRITE (FILE, OUT_ITEM1, ONE);
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87 WRITE (FILE, OUT_ITEM4, FOUR);
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88
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89 IF OLD_FILE_SIZE /= SIZE (FILE) THEN
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90 FAILED ("FILE SIZE CHANGED DURING REWRITE - 1");
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91 RAISE END_SUBTEST;
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92 END IF;
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93
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94 WRITE (FILE, OUT_ITEM1, ONE);
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95 WRITE (FILE, OUT_ITEM2, TWO);
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96 WRITE (FILE, OUT_ITEM4, FOUR);
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97
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98 OLD_FILE_SIZE := SIZE (FILE);
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99
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100 WRITE (FILE, OUT_ITEM1, FOUR);
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101
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102 IF OLD_FILE_SIZE /= SIZE (FILE) THEN
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103 FAILED ("FILE SIZE CHANGED DURING REWRITE - 2");
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104 RAISE END_SUBTEST;
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105 END IF;
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106 EXCEPTION
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107 WHEN END_SUBTEST =>
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108 NULL;
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109 END;
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110
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111 BEGIN
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112 DELETE (FILE);
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113 EXCEPTION
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114 WHEN USE_ERROR =>
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115 NULL;
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116 END;
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117
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118 EXCEPTION
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119 WHEN END_SUBTEST =>
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120 NULL;
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121 END;
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122
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123 RESULT;
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124
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125 END CE2401L;
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