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1 -- C35904A.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 INCOMPATIBLE FIXED POINT CONSTRAINTS RAISE
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27 -- APPROPRIATE EXCEPTIONS.
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28
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29
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30 -- HISTORY:
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31 -- RJK 05/17/83 CREATED ORIGINAL TEST.
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32 -- PWB 02/03/86 CORRECTED TEST ERROR:
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33 -- ADDED POSSIBLITY OF NUMERIC_ERROR
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34 -- IN DECLARATIONS OF SFX3 AND SFX4.
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35 -- BCB 10/21/87 CHANGED HEADER TO STANDARD FORMAT. CHANGED RANGE
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36 -- CONSTRAINTS OF SUBTYPE SFX1. CHANGED UPPER BOUND
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37 -- OF THE CONSTRAINT OF SFX4. CHANGED RANGE
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38 -- CONSTRAINTS OF FIX.
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39 -- JRL 03/30/93 REMOVED NUMERIC_ERROR FROM TEST.
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40 -- PWN 10/27/95 REMOVED OUT OF RANGE STATIC VALUE CHECKS.
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41 -- EDS 07/16/98 AVOID OPTIMIZATION
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42
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43 WITH REPORT; USE REPORT;
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44 PROCEDURE C35904A IS
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45
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46 TYPE FIX IS DELTA 0.5 RANGE -3.0 .. 3.0;
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47
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48 BEGIN
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49
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50 TEST ("C35904A", "CHECK THAT INCOMPATIBLE FIXED POINT " &
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51 "CONSTRAINTS RAISE APPROPRIATE EXCEPTION");
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52
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53 -- TEST FOR CORRECT SUBTYPE DEFINITION FOR COMPATIBILITY BETWEEN TYPE
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54 -- AND SUBTYPE CONSTRAINTS.
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55
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56 BEGIN
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57
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58 DECLARE
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59
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60 SUBTYPE SFX1 IS FIX DELTA 1.0 RANGE 0.0 .. 2.0; -- OK.
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61 SFX1_VAR : SFX1;
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62
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63 BEGIN
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64 SFX1_VAR := 1.0;
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65 END;
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66
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67 EXCEPTION
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68 WHEN CONSTRAINT_ERROR =>
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69 FAILED ("FIXED POINT CONSTRAINTS ARE NOT IN ERROR");
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70 WHEN OTHERS =>
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71 FAILED ("EXCEPTION SHOULD NOT BE RAISED WHILE " &
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72 "CHECKING DELTA CONSTRAINT");
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73 END;
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74
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75 -- TEST FOR INCORRECT SUBTYPE DEFINITION ON ACCURACY BETWEEN TYPE AND
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76 -- SUBTYPE DEFINITIONS.
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77
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78 BEGIN
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79
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80 DECLARE
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81
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82 SUBTYPE SFX IS FIX DELTA 0.1; -- DELTA IS SMALLER FOR
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83 -- SUBTYPE THAN FOR TYPE.
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84 -- DEFINE AN OBJECT OF SUBTYPE SFX AND USE IT TO AVOID
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85 -- OPTIMIZATION OF SUBTYPE
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86 SFX_VAR : SFX := FIX(IDENT_INT(1));
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87
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88 BEGIN
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89 FAILED ("NO EXCEPTION RAISED FOR INCOMPATABLE DELTA " &
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90 FIX'IMAGE(SFX_VAR) ); --USE SFX_VAR
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91 END;
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92
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93 EXCEPTION
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94 WHEN CONSTRAINT_ERROR =>
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95 NULL;
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96 WHEN OTHERS =>
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97 FAILED ("INCORRECT EXCEPTION RAISED WHILE CHECKING " &
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98 "DELTA CONSTRAINT");
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99 END;
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100
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101 RESULT;
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102
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103 END C35904A;
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