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111
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1 -- CB1010A.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 STORAGE_ERROR IS RAISED WHEN STORAGE ALLOCATED TO A TASK
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26 -- IS EXCEEDED.
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27
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28 -- PNH 8/26/85
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29 -- JRK 8/30/85
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30
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31 WITH REPORT; USE REPORT;
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32
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33 PROCEDURE CB1010A IS
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34
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35 N : INTEGER := IDENT_INT (1);
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36 M : INTEGER := IDENT_INT (0);
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37
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38 PROCEDURE OVERFLOW_STACK IS
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39 A : ARRAY (1 .. 1000) OF INTEGER;
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40 BEGIN
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41 N := N + M;
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42 A (N) := M;
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43 IF N > M THEN -- ALWAYS TRUE.
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44 OVERFLOW_STACK;
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45 END IF;
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46 M := A (N); -- TO PREVENT TAIL RECURSION OPTIMIZATION.
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47 END OVERFLOW_STACK;
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48
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49 BEGIN
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50 TEST ("CB1010A", "CHECK THAT STORAGE_ERROR IS RAISED WHEN " &
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51 "STORAGE ALLOCATED TO A TASK IS EXCEEDED");
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52
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53 --------------------------------------------------
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54
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55 COMMENT ("CHECK TASKS THAT DO NOT HANDLE STORAGE_ERROR " &
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56 "PRIOR TO RENDEZVOUS");
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57
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58 DECLARE
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59
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60 TASK T1 IS
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61 ENTRY E1;
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62 END T1;
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63
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64 TASK BODY T1 IS
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65 BEGIN
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66 OVERFLOW_STACK;
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67 FAILED ("TASK T1 NOT TERMINATED BY STACK OVERFLOW");
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68 END T1;
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69
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70 BEGIN
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71
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72 T1.E1;
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73 FAILED ("NO EXCEPTION RAISED BY ENTRY CALL T1.E1");
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74
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75 EXCEPTION
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76 WHEN TASKING_ERROR =>
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77 IF N /= 1 OR M /= 0 THEN
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78 FAILED ("VALUES OF VARIABLES N OR M ALTERED - 1");
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79 END IF;
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80 WHEN OTHERS =>
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81 FAILED ("WRONG EXCEPTION RAISED BY CALL OF ENTRY E1 " &
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82 "OF TERMINATED TASK T1");
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83 END;
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84
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85 --------------------------------------------------
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86
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87 COMMENT ("CHECK TASKS THAT DO HANDLE STORAGE_ERROR PRIOR TO " &
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88 "RENDEZVOUS");
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89
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90 N := IDENT_INT (1);
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91 M := IDENT_INT (0);
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92
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93 DECLARE
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94
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95 TASK T2 IS
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96 ENTRY E2;
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97 END T2;
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98
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99 TASK BODY T2 IS
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100 BEGIN
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101 OVERFLOW_STACK;
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102 FAILED ("EXCEPTION NOT RAISED BY STACK OVERFLOW IN " &
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103 "TASK T2");
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104 EXCEPTION
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105 WHEN STORAGE_ERROR =>
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106 ACCEPT E2;
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107 WHEN OTHERS =>
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108 FAILED ("WRONG EXCEPTION RAISED IN TASK T2 BY " &
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109 "STACK OVERFLOW");
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110 END T2;
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111
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112 BEGIN
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113
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114 T2.E2;
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115 IF N /= 1 OR M /= 0 THEN
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116 FAILED ("VALUES OF VARIABLES N OR M ALTERED - 2");
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117 END IF;
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118
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119 EXCEPTION
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120 WHEN OTHERS =>
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121 FAILED ("EXCEPTION RAISED BY ENTRY CALL T2.E2");
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122 ABORT T2;
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123 END;
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124
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125 --------------------------------------------------
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126
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127 COMMENT ("CHECK TASKS THAT DO NOT HANDLE STORAGE_ERROR " &
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128 "DURING RENDEZVOUS");
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129
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130 N := IDENT_INT (1);
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131 M := IDENT_INT (0);
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132
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133 DECLARE
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134
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135 TASK T3 IS
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136 ENTRY E3A;
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137 ENTRY E3B;
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138 END T3;
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139
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140 TASK BODY T3 IS
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141 BEGIN
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142 ACCEPT E3A DO
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143 OVERFLOW_STACK;
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144 FAILED ("EXCEPTION NOT RAISED IN ACCEPT E3A BY " &
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145 "STACK OVERFLOW");
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146 END E3A;
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147 FAILED ("EXCEPTION NOT PROPOGATED CORRECTLY IN TASK T3");
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148 EXCEPTION
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149 WHEN STORAGE_ERROR =>
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150 ACCEPT E3B;
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151 WHEN OTHERS =>
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152 FAILED ("WRONG EXCEPTION RAISED IN TASK T3 BY " &
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153 "STACK OVERFLOW");
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154 END T3;
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155
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156 BEGIN
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157
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158 T3.E3A;
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159 FAILED ("NO EXCEPTION RAISED BY ENTRY CALL T3.E3A");
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160
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161 EXCEPTION
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162 WHEN STORAGE_ERROR =>
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163 T3.E3B;
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164 IF N /= 1 OR M /= 0 THEN
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165 FAILED ("VALUES OF VARIABLES N OR M ALTERED - 3");
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166 END IF;
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167 WHEN TASKING_ERROR =>
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168 FAILED ("TASKING_ERROR RAISED BY ENTRY CALL T3.E3A " &
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169 "INSTEAD OF STORAGE_ERROR");
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170 ABORT T3;
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171 WHEN OTHERS =>
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172 FAILED ("WRONG EXCEPTION RAISED BY ENTRY CALL T3.E3A");
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173 ABORT T3;
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174 END;
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175
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176 --------------------------------------------------
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177
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178 RESULT;
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179 END CB1010A;
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