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111
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1 -- C37215F.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 -- CHECK THAT IF
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26 -- A DISCRIMINANT CONSTRAINT
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27 -- DEPENDS ON A DISCRIMINANT, THE DISCRIMINANT VALUE IS CHECKED FOR
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28 -- COMPATIBILITY WHEN THE RECORD TYPE IS:
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29 --
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30 -- CASE D: USED WITHOUT A CONSTRAINT ONLY IN AN ALLOCATOR OR OBJECT
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31 -- DECLARATION AND THE COMPONENT IS PRESENT IN THE DEFAULT SUBTYPE.
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32
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33 -- JBG 10/17/86
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34 -- PWN 05/31/96 Corrected format of call to "TEST"
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35
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36 WITH REPORT; USE REPORT;
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37 PROCEDURE C37215F IS
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38
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39 SUBTYPE SM IS INTEGER RANGE 1..10;
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40
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41 TYPE REC (D1, D2 : SM) IS
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42 RECORD NULL; END RECORD;
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43
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44 BEGIN
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45 TEST ("C37215F", "CHECK EVALUATION OF DISCRIMINANT EXPRESSIONS " &
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46 "WHEN CONSTRAINT DEPENDS ON DISCRIMINANT, " &
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47 "DISCRIMINANTS HAVE DEFAULTS, AND COMPONENT " &
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48 "SUBTYPE DETERMINES WHETHER CONSTRAINT SHOULD " &
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49 "BE CHECKED");
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50
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51 -- CASE D1: COMPONENT IS PRESENT
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52
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53 DECLARE
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54 TYPE CONS (D3 : INTEGER := IDENT_INT(0)) IS
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55 RECORD
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56 CASE D3 IS
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57 WHEN -5..10 =>
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58 C1 : REC(D3, 1);
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59 WHEN OTHERS =>
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60 C2 : INTEGER := IDENT_INT(0);
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61 END CASE;
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62 END RECORD;
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63 BEGIN
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64 BEGIN
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65 DECLARE
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66 X : CONS;
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67 BEGIN
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68 FAILED ("DISCRIMINANT CHECK NOT PERFORMED - 1");
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69 IF X /= (1, (1, 1)) THEN
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70 COMMENT ("SHOULDN'T GET HERE");
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71 END IF;
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72 END;
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73 EXCEPTION
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74 WHEN CONSTRAINT_ERROR =>
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75 NULL;
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76 WHEN OTHERS =>
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77 FAILED ("UNEXPECTED EXCEPTION - 1");
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78 END;
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79
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80 BEGIN
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81 DECLARE
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82 TYPE ACC_CONS IS ACCESS CONS;
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83 X : ACC_CONS;
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84 BEGIN
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85 X := NEW CONS;
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86 FAILED ("DISCRIMINANT CHECK NOT PERFORMED - 2");
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87 IF X.ALL /= (1, (1, 1)) THEN
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88 COMMENT ("IRRELEVANT");
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89 END IF;
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90 EXCEPTION
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91 WHEN CONSTRAINT_ERROR =>
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92 NULL;
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93 WHEN OTHERS =>
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94 FAILED ("UNEXPECTED EXCEPTION RAISED - 2A");
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95 END;
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96 EXCEPTION
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97 WHEN OTHERS =>
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98 FAILED ("UNEXPECTED EXCEPTION RAISED - 2B");
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99 END;
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100
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101 BEGIN
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102 DECLARE
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103 SUBTYPE SCONS IS CONS;
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104 BEGIN
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105 DECLARE
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106 X : SCONS;
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107 BEGIN
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108 FAILED ("DISCRIMINANT CHECK NOT " &
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109 "PERFORMED - 3");
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110 IF X /= (1, (1, 1)) THEN
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111 COMMENT ("IRRELEVANT");
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112 END IF;
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113 END;
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114 EXCEPTION
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115 WHEN CONSTRAINT_ERROR =>
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116 NULL;
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117 WHEN OTHERS =>
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118 FAILED ("UNEXPECTED EXCEPTION RAISED - 3");
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119 END;
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120 EXCEPTION
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121 WHEN OTHERS =>
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122 FAILED ("CONSTRAINT CHECKED TOO SOON - 3");
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123 END;
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124
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125 BEGIN
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126 DECLARE
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127 TYPE ARR IS ARRAY (1..5) OF CONS;
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128 BEGIN
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129 DECLARE
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130 X : ARR;
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131 BEGIN
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132 FAILED ("DISCRIMINANT CHECK NOT " &
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133 "PERFORMED - 4");
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134 IF X /= (1..5 => (1, (1, 1))) THEN
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135 COMMENT ("IRRELEVANT");
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136 END IF;
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137 END;
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138 EXCEPTION
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139 WHEN CONSTRAINT_ERROR =>
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140 NULL;
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141 WHEN OTHERS =>
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142 FAILED ("UNEXPECTED EXCEPTION RAISED - 4");
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143 END;
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144 EXCEPTION
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145 WHEN OTHERS =>
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146 FAILED ("CONSTRAINT CHECKED TOO SOON - 4");
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147 END;
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148
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149 BEGIN
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150 DECLARE
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151 TYPE NREC IS
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152 RECORD
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153 C1 : CONS;
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154 END RECORD;
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155 BEGIN
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156 DECLARE
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157 X : NREC;
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158 BEGIN
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159 FAILED ("DISCRIMINANT CHECK NOT " &
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160 "PERFORMED - 5");
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161 IF X /= (C1 => (1, (1, 1))) THEN
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162 COMMENT ("IRRELEVANT");
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163 END IF;
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164 END;
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165 EXCEPTION
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166 WHEN CONSTRAINT_ERROR =>
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167 NULL;
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168 WHEN OTHERS =>
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169 FAILED ("UNEXPECTED EXCEPTION RAISED - 5");
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170 END;
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171 EXCEPTION
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172 WHEN OTHERS =>
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173 FAILED ("CONSTRAINT CHECKED TOO SOON - 5");
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174 END;
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175
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176 BEGIN
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177 DECLARE
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178 TYPE DREC IS NEW CONS;
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179 BEGIN
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180 DECLARE
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181 X : DREC;
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182 BEGIN
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183 FAILED ("DISCRIMINANT CHECK NOT " &
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184 "PERFORMED - 6");
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185 IF X /= (1, (1, 1)) THEN
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186 COMMENT ("IRRELEVANT");
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187 END IF;
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188 END;
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189 EXCEPTION
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190 WHEN CONSTRAINT_ERROR =>
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191 NULL;
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192 WHEN OTHERS =>
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193 FAILED ("UNEXPECTED EXCEPTION RAISED - 6");
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194 END;
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195 EXCEPTION
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196 WHEN OTHERS =>
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197 FAILED ("CONSTRAINT CHECKED TOO SOON - 6");
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198 END;
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199
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200 END;
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201
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202 -- CASE C2 : COMPONENT IS ABSENT
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203
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204 DECLARE
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205 TYPE CONS (D3 : INTEGER := IDENT_INT(11)) IS
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206 RECORD
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207 CASE D3 IS
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208 WHEN -5..10 =>
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209 C1 : REC(D3, IDENT_INT(1));
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210 WHEN OTHERS =>
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211 C2 : INTEGER := IDENT_INT(5);
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212 END CASE;
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213 END RECORD;
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214 BEGIN
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215 BEGIN
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216 DECLARE
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217 X : CONS;
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218 BEGIN
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219 IF X /= (11, 5) THEN
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220 FAILED ("WRONG VALUE FOR X - 11");
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221 END IF;
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222 END;
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223 EXCEPTION
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224 WHEN OTHERS =>
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225 FAILED ("NONEXISTENT CONSTRAINT CHECKED - 11");
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226 END;
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227
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228 BEGIN
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229 DECLARE
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230 SUBTYPE SCONS IS CONS;
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231 BEGIN
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232 DECLARE
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233 X : SCONS;
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234 BEGIN
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235 IF X /= (11, 5) THEN
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236 FAILED ("X VALUE WRONG - 12");
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237 END IF;
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238 END;
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239 END;
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240 EXCEPTION
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241 WHEN OTHERS =>
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242 FAILED ("NONEXISTENT CONSTRAINT CHECKED - 12");
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243 END;
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244
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245 BEGIN
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246 DECLARE
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247 TYPE ARR IS ARRAY (1..5) OF CONS;
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248 X : ARR;
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249 BEGIN
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250 IF X /= (1..5 => (11, 5)) THEN
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251 FAILED ("X VALUE INCORRECT - 13");
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252 END IF;
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253 END;
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254 EXCEPTION
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255 WHEN OTHERS =>
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256 FAILED ("NONEXISTENT CONSTRAINT CHECKED - 13");
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257 END;
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258
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259 BEGIN
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260 DECLARE
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261 TYPE NREC IS
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262 RECORD
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263 C1 : CONS;
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264 END RECORD;
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265 X : NREC;
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266 BEGIN
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267 IF X /= (C1 => (11, 5)) THEN
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268 FAILED ("X VALUE IS INCORRECT - 14");
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269 END IF;
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270 END;
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271 EXCEPTION
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272 WHEN OTHERS =>
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273 FAILED ("NONEXISTENT CONSTRAINT CHECKED - 14");
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274 END;
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275
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276 BEGIN
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277 DECLARE
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278 TYPE NREC IS NEW CONS;
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279 X : NREC;
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280 BEGIN
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281 IF X /= (11, 5) THEN
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282 FAILED ("X VALUE INCORRECT - 15");
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283 END IF;
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284 END;
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285 EXCEPTION
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286 WHEN OTHERS =>
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287 FAILED ("NONEXISTENT CONSTRAINT CHECKED - 15");
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288 END;
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289
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290 BEGIN
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291 DECLARE
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292 TYPE ACC_CONS IS ACCESS CONS;
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293 X : ACC_CONS := NEW CONS;
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294 BEGIN
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295 IF X.ALL /= (11, 5) THEN
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296 FAILED ("X VALUE INCORRECT - 17");
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297 END IF;
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298 END;
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299 EXCEPTION
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300 WHEN OTHERS =>
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301 FAILED ("NONEXISTENT CONSTRAINT CHECKED - 17");
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302 END;
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303 END;
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304
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305
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306 RESULT;
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307
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308 EXCEPTION
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309 WHEN OTHERS =>
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310 FAILED ("CONSTRAINT CHECK DONE TOO EARLY");
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311 RESULT;
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312
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313 END C37215F;
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