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1 -- CA11C01.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 when primitive operations declared in a child package
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28 -- override operations declared in ancestor packages, a client of the
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29 -- child package inherits the operations correctly.
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30 --
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31 -- TEST DESCRIPTION:
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32 --
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33 -- This test builds on the foundation code file (FA11C00) that contains
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34 -- a parent package, child package, and grandchild package. The parent
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35 -- package declares a tagged type and primitive operation. The child
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36 -- package extends the type, and overrides the primitive operation. The
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37 -- grandchild package does the same.
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38 --
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39 -- The test procedure "withs" the grandchild package, and receives
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40 -- visibility to all of its ancestor packages, types and operations.
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41 -- Three procedures, each with a formal parameter of a specific type are
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42 -- defined. Each of these invokes a particular version of the overridden
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43 -- primitive operation Image. Calls to these local procedures are made,
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44 -- with objects of each of the tagged types as parameters, and the global
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45 -- variable is finally examined to ensure that the correct version of
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46 -- primitive operation was inherited by the client and invoked by the
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47 -- call.
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48 --
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49 -- TEST FILES:
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50 -- This test depends on the following foundation code:
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51 --
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52 -- FA11C00.A
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53 --
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54 --
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55 -- CHANGE HISTORY:
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56 -- 06 Dec 94 SAIC ACVC 2.0
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57 --
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58 --!
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59
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60 with FA11C00_0.FA11C00_1.FA11C00_2; -- Package Animal.Mammal.Primate
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61 with Report;
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62
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63 procedure CA11C01 is
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64
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65 package Animal_Package renames FA11C00_0;
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66 package Mammal_Package renames FA11C00_0.FA11C00_1;
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67 package Primate_Package renames FA11C00_0.FA11C00_1.FA11C00_2;
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68
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69 Max_Animals : constant := 3;
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70
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71 subtype Data_String is String (1 .. 37);
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72 type Data_Base_Type is array (1 .. Max_Animals) of Data_String;
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73
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74 Zoo_Data_Base : Data_Base_Type := (others => (others => ' '));
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75 -- Global variable.
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76
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77 Salmon : Animal_Package.Animal := (Common_Name => "Chinook Salmon ",
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78 Weight => 10);
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79
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80 Platypus : Mammal_Package.Mammal := (Common_Name => "Tasmanian Platypus ",
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81 Weight => 13,
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82 Hair_Color => Mammal_Package.Brown);
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83
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84 Orangutan : Primate_Package.Primate :=
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85 (Common_Name => "Sumatran Orangutan ",
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86 Weight => 220,
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87 Hair_Color => Mammal_Package.Red,
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88 Habitat => Primate_Package.Arboreal);
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89 begin
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90
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91 Report.Test ("CA11C01", "Check that when primitive operations declared " &
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92 "in a child package override operations declared " &
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93 "in ancestor packages, a client of the child " &
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94 "package inherits the operations correctly");
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95
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96 declare
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97
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98 use Animal_Package, Mammal_Package, Primate_Package;
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99
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100 -- The function Image has been overridden in the child and grandchild
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101 -- packages, but the client has inherited all versions of the function,
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102 -- and can successfully use them to enter data into the database.
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103 -- Each of the following procedures updates the global variable
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104 -- Zoo_Data_Base.
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105
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106 procedure Enter_Animal_Data (A : Animal; I : Integer) is
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107 begin
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108 Zoo_Data_Base (I) := Image (A);
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109 end Enter_Animal_Data;
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110
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111 procedure Enter_Mammal_Data (M : Mammal; I : Integer) is
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112 begin
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113 Zoo_Data_Base (I) := Image (M);
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114 end Enter_Mammal_Data;
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115
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116 procedure Enter_Primate_Data (P : Primate; I : Integer) is
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117 begin
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118 Zoo_Data_Base (I) := Image (P);
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119 end Enter_Primate_Data;
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120
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121 begin
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122
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123 -- Verify initial test conditions.
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124
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125 if not (Zoo_Data_Base(1)(1..6) = " ")
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126 or else
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127 (Zoo_Data_Base(2)(1..6) /= " ")
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128 or else
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129 (Zoo_Data_Base(3)(1..6) /= " ")
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130 then
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131 Report.Failed ("Initial condition failure");
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132 end if;
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133
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134
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135 -- Enter data from all three animals into the zoo database.
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136
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137 Enter_Animal_Data (A => Salmon, I => 1); -- First entry in database.
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138 Enter_Mammal_Data (M => Platypus, I => 2); -- Second entry.
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139 Enter_Primate_Data (P => Orangutan, I => 3); -- Third entry.
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140
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141 -- Verify the correct version of the overridden function Image was used
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142 -- for entering the specific data.
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143
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144 if Zoo_Data_Base(1)(1 .. 6) /= "Animal"
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145 or else
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146 Zoo_Data_Base(1)(26 .. 31) /= "Salmon"
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147 then
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148 Report.Failed ("Incorrect version of Image for parent type");
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149 end if;
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150
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151 if (Zoo_Data_Base(2)(1 .. 6) /= "Mammal")
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152 or
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153 (Zoo_Data_Base(2)(28 .. 35) /= "Platypus")
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154 then
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155 Report.Failed ("Incorrect version of Image for child type");
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156 end if;
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157
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158 if ((Zoo_Data_Base(3)(1 .. 7) /= "Primate")
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159 or
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160 (Zoo_Data_Base(3)(27 .. 35) /= "Orangutan"))
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161 then
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162 Report.Failed ("Incorrect version of Image for grandchild type");
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163 end if;
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164
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165 end;
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166
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167
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168 Report.Result;
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169
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170 end CA11C01;
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