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111
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1 -- C45304C.DEP
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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 CONSTRAINT_ERROR IS RAISED BY
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27 -- "+" AND "-" FOR PREDEFINED LONG_INTEGER WHEN THE RESULT IS
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28 -- OUTSIDE THE RANGE OF THE BASE TYPE.
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29
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30 -- APPLICABILITY CRITERIA:
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31 -- THIS TEST IS APPLICABLE IF THE IMPLEMENTATION HAS A
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32 -- PREDEFINED TYPE LONG_INTEGER.
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33
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34 -- IF LONG_INTEGER IS NOT SUPPORTED, THEN THE DECLARATION OF
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35 -- "TEST_VAR" MUST BE REJECTED.
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36
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37 -- *** NOTE: This test has been modified since ACVC version 1.11 to -- 9X
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38 -- *** remove incompatibilities associated with the transition -- 9X
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39 -- *** to Ada 9X. -- 9X
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40
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41 -- HISTORY:
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42 -- TBN 10/07/86 CREATED ORIGINAL TEST.
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43 -- JET 12/30/87 ADDED CODE TO PREVENT OPTIMIZATION.
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44 -- JRL 03/30/93 REMOVED NUMERIC_ERROR FROM TEST.
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45
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46 WITH REPORT; USE REPORT;
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47 PROCEDURE C45304C IS
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48
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49 TEST_VAR : LONG_INTEGER; -- N/A => ERROR.
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50
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51 -- THESE FUNCTIONS ARE TO PREVENT OPTIMIZATION.
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52
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53 FUNCTION IDENT_LONG (X : LONG_INTEGER) RETURN LONG_INTEGER IS
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54 BEGIN
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55 IF EQUAL (3, 3) THEN
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56 RETURN X;
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57 ELSE
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58 RETURN 0;
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59 END IF;
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60 END IDENT_LONG;
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61
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62 FUNCTION LONG_OK (X : LONG_INTEGER) RETURN BOOLEAN IS
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63 BEGIN
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64 RETURN X = IDENT_LONG(X);
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65 END LONG_OK;
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66
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67 BEGIN
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68 TEST ("C45304C", "CHECK THAT CONSTRAINT_ERROR " &
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69 "IS RAISED BY ""+"" AND ""-"" FOR PREDEFINED " &
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70 "LONG_INTEGER WHEN THE RESULT IS OUTSIDE THE " &
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71 "RANGE OF THE BASE TYPE");
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72
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73 DECLARE
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74 B : LONG_INTEGER := LONG_INTEGER'LAST;
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75 BEGIN
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76 IF LONG_OK (B + IDENT_LONG(1)) THEN
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77 FAILED ("NO EXCEPTION RAISED FOR ADDITION - " &
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78 "LONG_OK RETURNS TRUE");
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79 ELSE
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80 FAILED ("NO EXCEPTION RAISED FOR ADDITION - " &
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81 "LONG_OK RETURNS FALSE");
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82 END IF;
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83
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84 EXCEPTION
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85 WHEN CONSTRAINT_ERROR =>
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86 NULL;
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87 WHEN OTHERS =>
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88 FAILED ("UNEXPECTED EXCEPTION RAISED - 1");
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89 END;
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90
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91 DECLARE
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92 B : LONG_INTEGER := LONG_INTEGER'FIRST;
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93 BEGIN
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94 IF LONG_OK (B - IDENT_LONG(1)) THEN
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95 FAILED ("NO EXCEPTION RAISED FOR SUBTRACTION - " &
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96 "LONG_OK RETURNS TRUE");
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97 ELSE
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98 FAILED ("NO EXCEPTION RAISED FOR SUBTRACTION - " &
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99 "LONG_OK RETURNS FALSE");
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100 END IF;
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101
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102 EXCEPTION
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103 WHEN CONSTRAINT_ERROR =>
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104 NULL;
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105 WHEN OTHERS =>
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106 FAILED ("UNEXPECTED EXCEPTION RAISED - 2");
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107 END;
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108
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109 RESULT;
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110 END C45304C;
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