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1 -- CDA201E.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 UNCHECKED_CONVERSION CAN BE INSTANTIATED FOR THE
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27 -- CONVERSION OF AN ENUMERATION TYPE WITH A REPRESENTATION CLAUSE TO
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28 -- INTEGER.
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29
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30 -- HISTORY:
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31 -- JET 09/23/88 CREATED ORIGINAL TEST.
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32 -- DHH 05/17/89 CHANGED FROM '.DEP' TEST TO '.ADA' TEST.
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33 -- RJW 02/28/90 ADDED SIZE CLAUSE FOR TYPE STOOGE.
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34 -- LDC 09/20/90 ADDED CHECK FOR CONVERSION FROM INT TO STOOGE,
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35 -- ADDED COMMENT WHEN SIZES AREN'T EQUAL.
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36
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37 WITH REPORT; USE REPORT;
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38 WITH UNCHECKED_CONVERSION;
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39 PROCEDURE CDA201E IS
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40
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41 TYPE STOOGE IS (CURLY, MOE, LARRY);
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42 FOR STOOGE USE (CURLY => -5, MOE => 13, LARRY => 127);
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43 FOR STOOGE'SIZE USE 8;
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44
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45 TYPE INT IS RANGE -128 .. 127;
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46 FOR INT'SIZE USE 8;
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47
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48 I : INT := 0;
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49 NAME : STOOGE := CURLY;
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50
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51 FUNCTION E_TO_I IS NEW UNCHECKED_CONVERSION(STOOGE, INT);
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52 FUNCTION I_TO_E IS NEW UNCHECKED_CONVERSION(INT, STOOGE);
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53
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54 FUNCTION ID(E : STOOGE) RETURN STOOGE IS
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55 BEGIN
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56 RETURN STOOGE'VAL(STOOGE'POS(E) + IDENT_INT(0));
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57 END ID;
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58
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59 FUNCTION ID_INT (X : INT) RETURN INT IS
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60 A : INTEGER := IDENT_INT(3);
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61 BEGIN
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62 IF EQUAL (A, IDENT_INT(3)) THEN -- ALWAYS EQUAL.
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63 RETURN X; -- ALWAYS EXECUTED.
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64 END IF;
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65 RETURN 0; -- NEVER EXECUTED.
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66 END ID_INT;
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67
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68 BEGIN
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69 TEST ("CDA201E", "CHECK THAT UNCHECKED_CONVERSION CAN BE " &
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70 "INSTANTIATED FOR THE CONVERSION OF AN " &
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71 "ENUMERATION TYPE WITH A REPRESENTATION " &
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72 "CLAUSE TO INTEGER");
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73
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74 IF I'SIZE /= NAME'SIZE THEN
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75 COMMENT( "UNCHECKED_CONVERSION MIGHT BE INSTANTIATED WITH " &
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76 "DIFFERNT SIZES");
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77 END IF;
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78
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79 BEGIN
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80 I := E_TO_I(ID(CURLY));
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81 IF I /= -5 THEN
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82 FAILED ("INCORRECT VALUE OF CURLY: " & INT'IMAGE(I));
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83 END IF;
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84
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85 I := E_TO_I(ID(MOE));
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86 IF I /= 13 THEN
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87 FAILED ("INCORRECT VALUE OF MOE: " & INT'IMAGE(I));
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88 END IF;
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89
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90 I := E_TO_I(ID(LARRY));
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91 IF I /= 127 THEN
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92 FAILED ("INCORRECT VALUE OF LARRY: " & INT'IMAGE(I));
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93 END IF;
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94 EXCEPTION
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95 WHEN OTHERS =>
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96 FAILED ("UNEXPECTED EXCEPTION RAISED BY CONVERSION");
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97 END;
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98
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99 BEGIN -- 2
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100 NAME := I_TO_E(ID_INT(-5));
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101 IF NAME /= CURLY THEN
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102 FAILED ("INCORRECT VALUE OF -5 : " & STOOGE'IMAGE(NAME));
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103 END IF;
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104
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105 NAME := I_TO_E(ID_INT(13));
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106 IF NAME /= MOE THEN
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107 FAILED ("INCORRECT VALUE OF 13: " & STOOGE'IMAGE(NAME));
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108 END IF;
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109
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110 NAME := I_TO_E(ID_INT(127));
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111 IF NAME /= LARRY THEN
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112 FAILED ("INCORRECT VALUE OF 127: " & STOOGE'IMAGE(NAME));
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113 END IF;
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114 EXCEPTION
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115 WHEN OTHERS =>
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116 FAILED ("UNEXPECTED EXCEPTION RAISED BY CONVERSION - 2");
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117 END;
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118
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119 RESULT;
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120 END CDA201E;
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