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111
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1 -- C760001.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 Initialize is called for objects and components of
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28 -- a controlled type when the objects and components are not
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29 -- assigned explicit initial values. Check this for "simple" controlled
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30 -- objects, controlled record components and arrays with controlled
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31 -- components.
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32 --
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33 -- Check that if an explicit initial value is assigned to an object
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34 -- or component of a controlled type then Initialize is not called.
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35 --
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36 -- TEST DESCRIPTION:
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37 -- This test derives a type for Ada.Finalization.Controlled, and
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38 -- overrides the Initialize and Adjust operations for the type. The
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39 -- intent of the type is that it should carry incremental values
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40 -- indicating the ordering of events with respect to these (and default
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41 -- initialization) operations. The body of the test uses these values
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42 -- to determine that the implicit calls to these subprograms happen
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43 -- (or don't) at the appropriate times.
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44 --
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45 -- The test further derives types from this "root" type, which are the
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46 -- actual types used in the test. One of the types is "simply" derived
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47 -- from the "root" type, the other contains a component of the first
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48 -- type, thus nesting a controlled object as a record component in
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49 -- controlled objects.
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50 --
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51 -- The main program declares objects of these types and checks the
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52 -- values of the components to ascertain that they have been touched
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53 -- as expected.
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54 --
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55 -- Note that Finalization procedures are provided. This test does not
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56 -- test that the calls to Finalization are made correctly. The
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57 -- Finalization procedures are provided to catch an implementation that
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58 -- calls Finalization at an incorrect time.
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59 --
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60 --
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61 -- CHANGE HISTORY:
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62 -- 06 Dec 94 SAIC ACVC 2.0
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63 -- 10 Oct 95 SAIC Update and repair for ACVC 2.0.1
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64 --
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65 --!
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66
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67 ---------------------------------------------------------------- C760001_0
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68
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69 with Ada.Finalization;
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70 package C760001_0 is
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71 subtype Unique_ID is Natural;
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72 function Unique_Value return Unique_ID;
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73 -- increments each time it's called
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74
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75 function Most_Recent_Unique_Value return Unique_ID;
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76 -- returns the same value as the most recent call to Unique_Value
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77
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78 type Root_Controlled is new Ada.Finalization.Controlled with record
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79 My_ID : Unique_ID := Unique_Value;
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80 My_Init_ID : Unique_ID := Unique_ID'First;
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81 My_Adj_ID : Unique_ID := Unique_ID'First;
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82 end record;
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83
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84 procedure Initialize( R: in out Root_Controlled );
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85 procedure Adjust ( R: in out Root_Controlled );
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86
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87 TC_Initialize_Calls_Is_Failing : Boolean := False;
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88
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89 end C760001_0;
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90
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91 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
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92
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93 with Report;
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94 package body C760001_0 is
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95
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96 Global_Unique_Counter : Unique_ID := 0;
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97
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98 function Unique_Value return Unique_ID is
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99 begin
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100 Global_Unique_Counter := Global_Unique_Counter +1;
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101 return Global_Unique_Counter;
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102 end Unique_Value;
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103
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104 function Most_Recent_Unique_Value return Unique_ID is
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105 begin
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106 return Global_Unique_Counter;
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107 end Most_Recent_Unique_Value;
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108
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109 procedure Initialize( R: in out Root_Controlled ) is
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110 begin
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111 if TC_Initialize_Calls_Is_Failing then
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112 Report.Failed("Initialized incorrectly called");
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113 end if;
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114 R.My_Init_ID := Unique_Value;
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115 end Initialize;
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116
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117 procedure Adjust( R: in out Root_Controlled ) is
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118 begin
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119 R.My_Adj_ID := Unique_Value;
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120 end Adjust;
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121
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122 end C760001_0;
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123
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124 ---------------------------------------------------------------- C760001_1
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125
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126 with Ada.Finalization;
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127 with C760001_0;
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128 package C760001_1 is
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129
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130 type Proc_ID is (None, Init, Adj, Fin);
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131
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132 type Test_Controlled is new C760001_0.Root_Controlled with record
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133 Last_Proc_Called: Proc_ID := None;
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134 end record;
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135
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136 procedure Initialize( TC: in out Test_Controlled );
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137 procedure Adjust ( TC: in out Test_Controlled );
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138 procedure Finalize ( TC: in out Test_Controlled );
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139
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140 type Nested_Controlled is new C760001_0.Root_Controlled with record
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141 Nested : C760001_0.Root_Controlled;
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142 Last_Proc_Called: Proc_ID := None;
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143 end record;
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144
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145 procedure Initialize( TC: in out Nested_Controlled );
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146 procedure Adjust ( TC: in out Nested_Controlled );
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147 procedure Finalize ( TC: in out Nested_Controlled );
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148
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149 end C760001_1;
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150
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151 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
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152
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153 with Report;
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154 package body C760001_1 is
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155
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156 procedure Initialize( TC: in out Test_Controlled ) is
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157 begin
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158 if TC.Last_Proc_Called /= None then
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159 Report.Failed("Initialize for Test_Controlled");
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160 end if;
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161 TC.Last_Proc_Called := Init;
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162 C760001_0.Initialize(C760001_0.Root_Controlled(TC));
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163 end Initialize;
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164
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165 procedure Adjust ( TC: in out Test_Controlled ) is
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166 begin
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167 TC.Last_Proc_Called := Adj;
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168 C760001_0.Adjust(C760001_0.Root_Controlled(TC));
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169 end Adjust;
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170
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171 procedure Finalize ( TC: in out Test_Controlled ) is
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172 begin
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173 TC.Last_Proc_Called := Fin;
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174 end Finalize;
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175
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176 procedure Initialize( TC: in out Nested_Controlled ) is
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177 begin
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178 if TC.Last_Proc_Called /= None then
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179 Report.Failed("Initialize for Nested_Controlled");
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180 end if;
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181 TC.Last_Proc_Called := Init;
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182 C760001_0.Initialize(C760001_0.Root_Controlled(TC));
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183 end Initialize;
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184
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185 procedure Adjust ( TC: in out Nested_Controlled ) is
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186 begin
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187 TC.Last_Proc_Called := Adj;
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188 C760001_0.Adjust(C760001_0.Root_Controlled(TC));
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189 end Adjust;
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190
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191 procedure Finalize ( TC: in out Nested_Controlled ) is
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192 begin
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193 TC.Last_Proc_Called := Fin;
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194 end Finalize;
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195
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196 end C760001_1;
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197
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198 ---------------------------------------------------------------- C760001
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199
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200 with Report;
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201 with TCTouch;
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202 with C760001_0;
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203 with C760001_1;
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204 with Ada.Finalization;
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205 procedure C760001 is
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206
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207 use type C760001_1.Proc_ID;
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208
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209 -- in the first test, test the simple case. Check that a controlled object
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210 -- causes a call to the procedure Initialize.
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211 -- Also check that assignment causes a call to Adjust.
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212
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213 procedure Check_Simple_Objects is
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214 S,T : C760001_1.Test_Controlled;
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215 begin
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216 TCTouch.Assert(S.My_ID < S.My_Init_ID,"Default before dispatch");
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217 TCTouch.Assert((S.Last_Proc_Called = C760001_1.Init) and
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218 (T.Last_Proc_Called = C760001_1.Init),
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219 "Initialize for simple object");
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220 S := T;
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221 TCTouch.Assert((S.Last_Proc_Called = C760001_1.Adj),
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222 "Adjust for simple object");
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223 TCTouch.Assert((S.My_ID = T.My_ID),
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224 "Simple object My_ID's don't match");
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225 TCTouch.Assert((S.My_Init_ID = T.My_Init_ID),
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226 "Simple object My_Init_ID's don't match");
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227 TCTouch.Assert((S.My_Adj_ID > T.My_Adj_ID),
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228 "Simple object My_Adj_ID's in wrong order");
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229 end Check_Simple_Objects;
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230
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231 -- in the second test, test a more complex case, check that a controlled
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232 -- component of a controlled object gets processed correctly
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233
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234 procedure Check_Nested_Objects is
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235 NO1 : C760001_1.Nested_Controlled;
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236 begin
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237 TCTouch.Assert((NO1.My_ID < NO1.My_Init_Id),
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238 "Default value order incorrect");
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239 TCTouch.Assert((NO1.My_Init_Id > NO1.Nested.My_Init_ID),
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240 "Initialization call order incorrect");
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241 end Check_Nested_Objects;
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242
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243 -- check that objects assigned an initial value at declaration are Adjusted
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244 -- and NOT Initialized
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245
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246 procedure Check_Objects_With_Initial_Values is
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247
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248 TC_Now : constant C760001_0.Unique_ID := C760001_0.Unique_Value;
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249
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250 A: C760001_1.Test_Controlled :=
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251 ( Ada.Finalization.Controlled
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252 with TC_Now,
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253 TC_Now,
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254 TC_Now,
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255 C760001_1.None);
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256
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257 B: C760001_1.Nested_Controlled :=
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258 ( Ada.Finalization.Controlled
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259 with TC_Now,
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260 TC_Now,
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261 TC_Now,
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262 C760001_0.Root_Controlled(A),
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263 C760001_1.None);
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264
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265 begin
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266 -- the implementation may or may not call Adjust for the values
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267 -- assigned into A and B,
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268 -- but should NOT call Initialize.
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269 -- if the value used in the aggregate is overwritten by Initialize,
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270 -- this indicates failure
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271 TCTouch.Assert(A.My_Init_Id = TC_Now,
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272 "Initialize was called for A with initial value");
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273 TCTouch.Assert(B.My_Init_Id = TC_Now,
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274 "Initialize was called for B with initial value");
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275 TCTouch.Assert(B.Nested.My_Init_ID = TC_Now,
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276 "Initialize was called for B.Nested initial value");
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277 end Check_Objects_With_Initial_Values;
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278
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279 procedure Check_Array_Case is
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280 type Array_Simple is array(1..4) of C760001_1.Test_Controlled;
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281 type Array_Nested is array(1..4) of C760001_1.Nested_Controlled;
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282
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283 Simple_Array_Default : Array_Simple;
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284
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285 Nested_Array_Default : Array_Nested;
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286
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287 TC_A_Bit_Later : C760001_0.Unique_ID;
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288
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289 begin
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290 TC_A_Bit_Later := C760001_0.Unique_Value;
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291 for N in 1..4 loop
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292 TCTouch.Assert(Simple_Array_Default(N).Last_Proc_Called
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293 = C760001_1.Init,
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294 "Initialize for array initial value");
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295
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296 TCTouch.Assert( (Simple_Array_Default(N).My_Init_ID
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297 > C760001_0.Unique_ID'First)
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298 and (Simple_Array_Default(N).My_Init_ID
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299 < TC_A_Bit_Later),
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300 "Initialize timing for simple array");
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301
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302 TCTouch.Assert( (Nested_Array_Default(N).My_Init_ID
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303 > C760001_0.Unique_ID'First)
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304 and (Nested_Array_Default(N).My_Init_ID
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305 < TC_A_Bit_Later),
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306 "Initialize timing for container array");
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307
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308 TCTouch.Assert(Nested_Array_Default(N).Last_Proc_Called
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309 = C760001_1.Init,
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310 "Initialize for nested array (outer) initial value");
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311
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312 TCTouch.Assert( (Nested_Array_Default(N).Nested.My_Init_ID
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313 > C760001_0.Unique_ID'First)
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314 and (Nested_Array_Default(N).Nested.My_Init_ID
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315 < Nested_Array_Default(N).My_Init_ID),
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316 "Initialize timing for array content");
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317 end loop;
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318 end Check_Array_Case;
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319
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320 procedure Check_Array_Case_With_Initial_Values is
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321
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322 TC_Now : constant C760001_0.Unique_ID := C760001_0.Unique_Value;
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323
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324 type Array_Simple is array(1..4) of C760001_1.Test_Controlled;
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325 type Array_Nested is array(1..4) of C760001_1.Nested_Controlled;
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326
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327 Simple_Array_Explicit : Array_Simple := ( 1..4 => (
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328 Ada.Finalization.Controlled
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329 with TC_Now,
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330 TC_Now,
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331 TC_Now,
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332 C760001_1.None ) );
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333
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334 A : constant C760001_0.Root_Controlled :=
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335 ( Ada.Finalization.Controlled
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336 with others => TC_Now);
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337
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338 Nested_Array_Explicit : Array_Nested := ( 1..4 => (
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339 Ada.Finalization.Controlled
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340 with TC_Now,
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341 TC_Now,
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342 TC_Now,
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343 A,
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344 C760001_1.None ) );
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345
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346 begin
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347 -- the implementation may or may not call Adjust for the values
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348 -- assigned into Simple_Array_Explicit and Nested_Array_Explicit,
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349 -- but should NOT call Initialize.
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350 -- if the value used in the aggregate is overwritten by Initialize,
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351 -- this indicates failure
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352 for N in 1..4 loop
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353 TCTouch.Assert(Simple_Array_Explicit(N).My_Init_ID
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354 = TC_Now,
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355 "Initialize was called for array with initial value");
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356 TCTouch.Assert(Nested_Array_Explicit(N).My_Init_ID
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357 = TC_Now,
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358 "Initialize was called for nested array (outer) with initial value");
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359 TCTouch.Assert(Nested_Array_Explicit(N).Nested.My_Init_ID = TC_Now,
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360 "Initialize was called for nested array (inner) with initial value");
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361 end loop;
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362 end Check_Array_Case_With_Initial_Values;
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363
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364 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
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365
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366 begin -- Main test procedure.
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367
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368 Report.Test ("C760001", "Check that Initialize is called for objects " &
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369 "and components of a controlled type when the " &
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370 "objects and components are not assigned " &
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371 "explicit initial values. Check that if an " &
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372 "explicit initial value is assigned to an " &
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373 "object or component of a controlled type " &
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374 "then Initialize is not called" );
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375
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376 Check_Simple_Objects;
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377
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378 Check_Nested_Objects;
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379
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380 Check_Array_Case;
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381
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382 C760001_0.TC_Initialize_Calls_Is_Failing := True;
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383
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384 Check_Objects_With_Initial_Values;
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385
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386 Check_Array_Case_With_Initial_Values;
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387
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388 Report.Result;
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389
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390 end C760001;
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