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1 -- C34006L.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 -- FOR DERIVED RECORD TYPES WITH DISCRIMINANTS AND WITH A LIMITED
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27 -- COMPONENT TYPE:
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28
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29 -- CHECK THAT ALL VALUES OF THE PARENT (BASE) TYPE ARE PRESENT
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30 -- FOR THE DERIVED (BASE) TYPE WHEN THE DERIVED TYPE DEFINITION
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31 -- IS CONSTRAINED.
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32
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33 -- CHECK THAT ANY CONSTRAINT IMPOSED ON THE PARENT SUBTYPE IS
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34 -- ALSO IMPOSED ON THE DERIVED SUBTYPE.
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35
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36 -- HISTORY:
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37 -- JRK 08/26/87 CREATED ORIGINAL TEST.
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38
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39 WITH REPORT; USE REPORT;
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40
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41 PROCEDURE C34006L IS
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42
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43 PACKAGE PKG_L IS
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44
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45 TYPE LP IS LIMITED PRIVATE;
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46
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47 FUNCTION CREATE (X : INTEGER) RETURN LP;
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48
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49 FUNCTION EQUAL (X, Y : LP) RETURN BOOLEAN;
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50
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51 PROCEDURE ASSIGN (X : OUT LP; Y : LP);
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52
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53 C2 : CONSTANT LP;
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54 C4 : CONSTANT LP;
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55 C5 : CONSTANT LP;
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56 C6 : CONSTANT LP;
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57
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58 PRIVATE
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59
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60 TYPE LP IS NEW INTEGER;
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61
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62 C2 : CONSTANT LP := 2;
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63 C4 : CONSTANT LP := 4;
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64 C5 : CONSTANT LP := 5;
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65 C6 : CONSTANT LP := 6;
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66
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67 END PKG_L;
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68
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69 USE PKG_L;
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70
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71 SUBTYPE COMPONENT IS LP;
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72
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73 PACKAGE PKG_P IS
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74
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75 MAX_LEN : CONSTANT := 10;
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76
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77 SUBTYPE LENGTH IS NATURAL RANGE 0 .. MAX_LEN;
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78
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79 TYPE PARENT (B : BOOLEAN := TRUE; L : LENGTH := 3) IS
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80 RECORD
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81 I : INTEGER := 2;
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82 CASE B IS
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83 WHEN TRUE =>
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84 S : STRING (1 .. L) := (1 .. L => 'A');
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85 C : COMPONENT;
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86 WHEN FALSE =>
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87 F : FLOAT := 5.0;
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88 END CASE;
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89 END RECORD;
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90
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91 FUNCTION CREATE ( B : BOOLEAN;
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92 L : LENGTH;
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93 I : INTEGER;
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94 S : STRING;
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95 C : COMPONENT;
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96 F : FLOAT;
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97 X : PARENT -- TO RESOLVE OVERLOADING.
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98 ) RETURN PARENT;
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99
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100 FUNCTION EQUAL (X, Y : PARENT) RETURN BOOLEAN;
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101
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102 FUNCTION AGGR ( B : BOOLEAN;
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103 L : LENGTH;
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104 I : INTEGER;
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105 S : STRING;
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106 C : COMPONENT
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107 ) RETURN PARENT;
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108
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109 FUNCTION AGGR ( B : BOOLEAN;
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110 L : LENGTH;
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111 I : INTEGER;
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112 F : FLOAT
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113 ) RETURN PARENT;
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114
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115 END PKG_P;
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116
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117 USE PKG_P;
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118
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119 TYPE T IS NEW PARENT (IDENT_BOOL (TRUE), IDENT_INT (3));
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120
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121 SUBTYPE SUBPARENT IS PARENT (TRUE, 3);
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122
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123 TYPE S IS NEW SUBPARENT;
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124
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125 X : T;
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126 Y : S;
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127
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128 PACKAGE BODY PKG_L IS
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129
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130 FUNCTION CREATE (X : INTEGER) RETURN LP IS
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131 BEGIN
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132 RETURN LP (IDENT_INT (X));
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133 END CREATE;
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134
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135 FUNCTION EQUAL (X, Y : LP) RETURN BOOLEAN IS
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136 BEGIN
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137 RETURN X = Y;
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138 END EQUAL;
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139
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140 PROCEDURE ASSIGN (X : OUT LP; Y : LP) IS
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141 BEGIN
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142 X := Y;
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143 END ASSIGN;
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144
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145 END PKG_L;
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146
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147 PACKAGE BODY PKG_P IS
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148
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149 FUNCTION CREATE
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150 ( B : BOOLEAN;
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151 L : LENGTH;
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152 I : INTEGER;
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153 S : STRING;
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154 C : COMPONENT;
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155 F : FLOAT;
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156 X : PARENT
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157 ) RETURN PARENT
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158 IS
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159 A : PARENT (B, L);
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160 BEGIN
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161 A.I := I;
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162 CASE B IS
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163 WHEN TRUE =>
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164 A.S := S;
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165 ASSIGN (A.C, C);
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166 WHEN FALSE =>
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167 A.F := F;
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168 END CASE;
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169 RETURN A;
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170 END CREATE;
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171
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172 FUNCTION EQUAL (X, Y : PARENT) RETURN BOOLEAN IS
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173 BEGIN
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174 IF X.B /= Y.B OR X.L /= Y.L OR X.I /= Y.I THEN
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175 RETURN FALSE;
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176 END IF;
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177 CASE X.B IS
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178 WHEN TRUE =>
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179 RETURN X.S = Y.S AND EQUAL (X.C, Y.C);
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180 WHEN FALSE =>
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181 RETURN X.F = Y.F;
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182 END CASE;
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183 END EQUAL;
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184
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185 FUNCTION AGGR
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186 ( B : BOOLEAN;
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187 L : LENGTH;
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188 I : INTEGER;
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189 S : STRING;
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190 C : COMPONENT
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191 ) RETURN PARENT
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192 IS
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193 RESULT : PARENT (B, L);
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194 BEGIN
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195 RESULT.I := I;
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196 RESULT.S := S;
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197 ASSIGN (RESULT.C, C);
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198 RETURN RESULT;
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199 END AGGR;
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200
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201 FUNCTION AGGR
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202 ( B : BOOLEAN;
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203 L : LENGTH;
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204 I : INTEGER;
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205 F : FLOAT
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206 ) RETURN PARENT
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207 IS
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208 RESULT : PARENT (B, L);
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209 BEGIN
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210 RESULT.I := I;
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211 RESULT.F := F;
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212 RETURN RESULT;
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213 END AGGR;
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214
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215 END PKG_P;
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216
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217 PROCEDURE ASSIGN (X : IN OUT T; Y : T) IS
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218 BEGIN
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219 X.I := Y.I;
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220 X.S := Y.S;
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221 ASSIGN (X.C, Y.C);
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222 END ASSIGN;
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223
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224 PROCEDURE ASSIGN (X : IN OUT S; Y : S) IS
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225 BEGIN
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226 X.I := Y.I;
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227 X.S := Y.S;
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228 ASSIGN (X.C, Y.C);
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229 END ASSIGN;
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230
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231 BEGIN
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232 TEST ("C34006L", "CHECK THAT ALL VALUES OF THE PARENT (BASE) " &
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233 "TYPE ARE PRESENT FOR THE DERIVED (BASE) TYPE " &
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234 "WHEN THE DERIVED TYPE DEFINITION IS " &
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235 "CONSTRAINED. ALSO CHECK THAT ANY CONSTRAINT " &
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236 "IMPOSED ON THE PARENT SUBTYPE IS ALSO IMPOSED " &
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237 "ON THE DERIVED SUBTYPE. CHECK FOR DERIVED " &
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238 "RECORD TYPES WITH DISCRIMINANTS AND WITH A " &
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239 "LIMITED COMPONENT TYPE");
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240
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241 ASSIGN (X.C, CREATE (2));
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242 ASSIGN (Y.C, C2);
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243
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244 -- CHECK THAT BASE TYPE VALUES NOT IN THE SUBTYPE ARE PRESENT.
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245
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246 IF NOT EQUAL (CREATE (FALSE, 2, 3, "ZZ", C5, 6.0, X),
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247 AGGR (FALSE, 2, 3, 6.0)) OR
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248 NOT EQUAL (CREATE (FALSE, 2, 3, "ZZ", C5, 6.0, Y),
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249 AGGR (FALSE, 2, 3, 6.0)) THEN
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250 FAILED ("CAN'T CREATE BASE TYPE VALUES OUTSIDE THE SUBTYPE");
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251 END IF;
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252
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253 IF CREATE (FALSE, 2, 3, "ZZ", C5, 6.0, X) IN T OR
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254 CREATE (FALSE, 2, 3, "ZZ", C5, 6.0, Y) IN S THEN
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255 FAILED ("INCORRECT ""IN""");
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256 END IF;
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257
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258 -- CHECK THE DERIVED SUBTYPE CONSTRAINT.
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259
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260 IF X.B /= TRUE OR X.L /= 3 OR
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261 Y.B /= TRUE OR Y.L /= 3 THEN
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262 FAILED ("INCORRECT SELECTION OF DISCRIMINANT VALUES");
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263 END IF;
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264
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265 IF NOT X'CONSTRAINED OR NOT Y'CONSTRAINED THEN
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266 FAILED ("INCORRECT 'CONSTRAINED");
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267 END IF;
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268
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269 BEGIN
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270 ASSIGN (X, AGGR (TRUE, 3, 1, "ABC", C4));
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271 ASSIGN (Y, AGGR (TRUE, 3, 1, "ABC", C4));
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272 IF NOT EQUAL (PARENT (X), PARENT (Y)) THEN -- USE X AND Y.
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273 FAILED ("INCORRECT CONVERSION TO PARENT");
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274 END IF;
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275 EXCEPTION
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276 WHEN OTHERS =>
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277 FAILED ("EXCEPTION RAISED BY OK ASSIGN CALL");
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278 END;
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279
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280 BEGIN
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281 ASSIGN (X, AGGR (FALSE, 3, 2, 6.0));
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282 FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
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283 "ASSIGN (X, AGGR (FALSE, 3, 2, 6.0))");
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284 IF EQUAL (X, AGGR (FALSE, 3, 2, 6.0)) THEN -- USE X.
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285 COMMENT ("X ALTERED -- " &
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286 "ASSIGN (X, AGGR (FALSE, 3, 2, 6.0))");
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287 END IF;
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288 EXCEPTION
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289 WHEN CONSTRAINT_ERROR =>
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290 NULL;
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291 WHEN OTHERS =>
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292 FAILED ("WRONG EXCEPTION RAISED -- " &
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293 "ASSIGN (X, AGGR (FALSE, 3, 2, 6.0))");
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294 END;
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295
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296 BEGIN
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297 ASSIGN (X, AGGR (TRUE, 4, 2, "ZZZZ", C6));
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298 FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
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299 "ASSIGN (X, AGGR (TRUE, 4, 2, ""ZZZZ"", C6))");
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300 IF EQUAL (X, AGGR (TRUE, 4, 2, "ZZZZ", C6)) THEN -- USE X.
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301 COMMENT ("X ALTERED -- " &
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302 "ASSIGN (X, AGGR (TRUE, 4, 2, ""ZZZZ"", C6))");
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303 END IF;
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304 EXCEPTION
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305 WHEN CONSTRAINT_ERROR =>
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306 NULL;
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307 WHEN OTHERS =>
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308 FAILED ("WRONG EXCEPTION RAISED -- " &
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309 "ASSIGN (X, AGGR (TRUE, 4, 2, ""ZZZZ"", C6))");
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310 END;
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311
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312 BEGIN
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313 ASSIGN (Y, AGGR (FALSE, 3, 2, 6.0));
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314 FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
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315 "ASSIGN (Y, AGGR (FALSE, 3, 2, 6.0))");
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316 IF EQUAL (Y, AGGR (FALSE, 3, 2, 6.0)) THEN -- USE Y.
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317 COMMENT ("Y ALTERED -- " &
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318 "ASSIGN (Y, AGGR (FALSE, 3, 2, 6.0))");
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319 END IF;
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320 EXCEPTION
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321 WHEN CONSTRAINT_ERROR =>
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322 NULL;
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323 WHEN OTHERS =>
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324 FAILED ("WRONG EXCEPTION RAISED -- " &
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325 "ASSIGN (Y, AGGR (FALSE, 3, 2, 6.0))");
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326 END;
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327
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328 BEGIN
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329 ASSIGN (Y, AGGR (TRUE, 4, 2, "ZZZZ", C6));
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330 FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
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331 "ASSIGN (Y, AGGR (TRUE, 4, 2, ""ZZZZ"", C6))");
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332 IF EQUAL (Y, AGGR (TRUE, 4, 2, "ZZZZ", C6)) THEN -- USE Y.
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333 COMMENT ("Y ALTERED -- " &
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334 "ASSIGN (Y, AGGR (TRUE, 4, 2, ""ZZZZ"", C6))");
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335 END IF;
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336 EXCEPTION
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337 WHEN CONSTRAINT_ERROR =>
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338 NULL;
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339 WHEN OTHERS =>
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340 FAILED ("WRONG EXCEPTION RAISED -- " &
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341 "ASSIGN (Y, AGGR (TRUE, 4, 2, ""ZZZZ"", C6))");
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342 END;
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343
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344 RESULT;
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345 END C34006L;
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