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111
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1 -- C390002.A
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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 --
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26 -- OBJECTIVE:
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27 -- Check that a tagged base type may be declared, and derived
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28 -- from in simple, private and extended forms. (Overlaps with C390B04)
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29 -- Check that the package Ada.Tags is present and correctly implemented.
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30 -- Check for the correct operation of Expanded_Name, External_Tag and
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31 -- Internal_Tag within that package. Check that the exception Tag_Error
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32 -- is correctly raised on calling Internal_Tag with bad input.
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33 --
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34 -- TEST DESCRIPTION:
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35 -- This test declares a tagged type, and derives three types from it.
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36 -- These types are then used to test the presence and function of the
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37 -- package Ada.Tags.
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38 --
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39 --
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40 -- CHANGE HISTORY:
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41 -- 06 Dec 94 SAIC ACVC 2.0
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42 -- 19 Dec 94 SAIC Removed RM references from objective text.
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43 -- 27 Jan 96 SAIC Update RM references for 2.1
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44 --
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45 --!
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46
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47 with Report;
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48 with Ada.Tags;
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49
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50 procedure C390002 is
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51
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52 package Vehicle is
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53
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54 type Object is tagged limited private; -- ancestor type
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55 procedure Create( The_Vehicle : in out Object; Wheels : in Natural );
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56 function Wheels( The_Vehicle : Object ) return Natural;
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57
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58 private
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59
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60 type Object is tagged limited record
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61 Wheel_Count : Natural := 0;
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62 end record;
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63
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64 end Vehicle;
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65
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66 package Motivators is
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67
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68 type Bicycle is new Vehicle.Object with null record; -- simple
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69
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70 type Car is new Vehicle.Object with record -- extended
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71 Convertible : Boolean;
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72 end record;
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73
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74 type Truck is new Vehicle.Object with private; -- private
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75
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76 private
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77
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78 type Truck is new Vehicle.Object with record
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79 Air_Horn : Boolean;
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80 end record;
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81
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82 end Motivators;
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83
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84 package body Vehicle is
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85
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86 procedure Create( The_Vehicle : in out Object; Wheels : in Natural ) is
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87 begin
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88 The_Vehicle.Wheel_Count := Wheels;
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89 end Create;
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90
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91 function Wheels( The_Vehicle : Object ) return Natural is
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92 begin
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93 return The_Vehicle.Wheel_Count;
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94 end Wheels;
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95
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96 end Vehicle;
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97
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98 function TC_ID_Tag( Tag : in Ada.Tags.Tag ) return Ada.Tags.Tag is
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99 begin
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100 return Ada.Tags.Internal_Tag( Ada.Tags.External_Tag( Tag ) );
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101 Report.Comment("This message intentionally blank.");
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102 end TC_ID_Tag;
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103
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104 procedure Check_Tags( Machine : in Vehicle.Object'Class;
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105 Expected_Name : in String;
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106 External_Tag : in String ) is
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107 The_Tag : constant Ada.Tags.Tag := Machine'Tag;
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108 use type Ada.Tags.Tag;
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109 begin
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110 if Ada.Tags.Expanded_Name(The_Tag) /= Expected_Name then
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111 Report.Failed ("Failed in Check_Tags, Expanded_Name "
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112 & Expected_Name);
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113 end if;
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114 if Ada.Tags.External_Tag(The_Tag) /= External_Tag then
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115 Report.Failed ("Failed in Check_Tags, External_Tag "
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116 & Expected_Name);
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117 end if;
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118 if Ada.Tags.Internal_Tag(External_Tag) /= The_Tag then
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119 Report.Failed ("Failed in Check_Tags, Internal_Tag "
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120 & Expected_Name);
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121 end if;
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122 end Check_Tags;
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123
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124 procedure Check_Exception is
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125 Boeing_777_Id : Ada.Tags.Tag;
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126 begin
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127 Boeing_777_Id := Ada.Tags.Internal_Tag("!@#$%^:*\/?"" not a tag!");
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128 Report.Failed ("Failed in Check_Exception, no exception");
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129 Boeing_777_Id := TC_ID_Tag( Boeing_777_Id );
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130 exception
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131 when Ada.Tags.Tag_Error => null;
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132 when others =>
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133 Report.Failed ("Failed in Check_Exception, wrong exception");
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134 end Check_Exception;
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135
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136 use Motivators;
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137 Two_Wheeler : Bicycle;
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138 Four_Wheeler : Car;
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139 Eighteen_Wheeler : Truck;
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140
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141 begin -- Main test procedure.
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142
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143 Report.Test ("C390002", "Check that a tagged type may be declared and " &
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144 "derived from in simple, private and extended forms. " &
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145 "Check package Ada.Tags" );
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146
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147 Create( Two_Wheeler, 2 );
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148 Create( Four_Wheeler, 4 );
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149 Create( Eighteen_Wheeler, 18 );
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150
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151 Check_Tags( Machine => Two_Wheeler,
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152 Expected_Name => "C390002.MOTIVATORS.BICYCLE",
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153 External_Tag => Bicycle'External_Tag );
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154 Check_Tags( Machine => Four_Wheeler,
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155 Expected_Name => "C390002.MOTIVATORS.CAR",
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156 External_Tag => Car'External_Tag );
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157 Check_Tags( Machine => Eighteen_Wheeler,
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158 Expected_Name => "C390002.MOTIVATORS.TRUCK",
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159 External_Tag => Truck'External_Tag );
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160
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161 Check_Exception;
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162
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163 Report.Result;
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164
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165 end C390002;
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