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111
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1 -- C460009.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 Constraint_Error is raised in cases of null arrays when:
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28 -- 1. an assignment is made to a null array if the length of each
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29 -- dimension of the operand does not match the length of
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30 -- the corresponding dimension of the target subtype.
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31 -- 2. an array actual parameter does not match the length of
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32 -- corresponding dimensions of the formal in out parameter where
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33 -- the actual parameter has the form of a type conversion.
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34 -- 3. an array actual parameter does not match the length of
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35 -- corresponding dimensions of the formal out parameter where
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36 -- the actual parameter has the form of a type conversion.
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37 --
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38 -- TEST DESCRIPTION:
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39 -- This transition test creates examples where array of null ranges
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40 -- raises Constraint_Error if any of the lengths mismatch.
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41 --
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42 -- Inspired by C52103S.ADA, C64105E.ADA, and C64105F.ADA.
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43 --
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44 --
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45 -- CHANGE HISTORY:
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46 -- 21 Mar 96 SAIC Initial version for ACVC 2.1.
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47 -- 21 Sep 96 SAIC ACVC 2.1: Added new case.
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48 --
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49 --!
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50
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51 with Report;
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52
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53 procedure C460009 is
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54
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55 subtype Int is Integer range 1 .. 3;
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56
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57 begin
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58
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59 Report.Test("C460009","Check that Constraint_Error is raised in " &
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60 "cases of null arrays if any of the lengths mismatch " &
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61 "in assignments and parameter passing");
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62
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63 ---------------------------------------------------------------------------
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64 declare
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65
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66 type Arr_Int1 is array (Int range <>) of Integer;
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67 Arr_Obj1 : Arr_Int1 (2 .. Report.Ident_Int(1)); -- null array object
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68
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69 begin
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70
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71 -- Same lengths, no Constraint_Error raised.
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72 Arr_Obj1 := (Report.Ident_Int(3) .. 2 => Report.Ident_Int(1));
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73
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74 Report.Comment ("Dead assignment prevention in Arr_Obj1 => " &
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75 Integer'Image (Arr_Obj1'Last));
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76
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77 exception
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78
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79 when Constraint_Error =>
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80 Report.Failed ("Arr_Obj1 - Constraint_Error exception raised");
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81 when others =>
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82 Report.Failed ("Arr_Obj1 - others exception raised");
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83
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84 end;
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85
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86 ---------------------------------------------------------------------------
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87 declare
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88
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89 type Arr_Int2 is array (Int range <>, Int range <>) of Integer;
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90 Arr_Obj2 : Arr_Int2 (1 .. Report.Ident_Int(2),
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91 Report.Ident_Int(3) .. Report.Ident_Int(2));
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92 -- null array object
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93 begin
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94
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95 -- Same lengths, no Constraint_Error raised.
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96 Arr_Obj2 := Arr_Int2'(Report.Ident_Int(2) .. 3 =>
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97 (Report.Ident_Int(2) .. Report.Ident_Int(1) =>
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98 Report.Ident_Int(1)));
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99
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100 Report.Comment ("Dead assignment prevention in Arr_Obj2 => " &
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101 Integer'Image (Arr_Obj2'Last));
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102
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103 exception
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104
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105 when Constraint_Error =>
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106 Report.Failed ("Arr_Obj2 - Constraint_Error exception raised");
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107 when others =>
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108 Report.Failed ("Arr_Obj2 - others exception raised");
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109
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110 end;
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111
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112 ---------------------------------------------------------------------------
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113 declare
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114
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115 type Arr_Int3 is array (Int range <>, Int range <>) of Integer;
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116 Arr_Obj3 : Arr_Int3 (1 .. Report.Ident_Int(2),
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117 Report.Ident_Int(3) .. Report.Ident_Int(2));
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118 -- null array object
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119
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120 begin
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121
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122 -- Lengths mismatch, Constraint_Error raised.
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123 Arr_Obj3 := Arr_Int3'(Report.Ident_Int(3) .. 2 =>
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124 (Report.Ident_Int(1) .. Report.Ident_Int(3) =>
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125 Report.Ident_Int(1)));
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126
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127 Report.Comment ("Dead assignment prevention in Arr_Obj3 => " &
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128 Integer'Image (Arr_Obj3'Last));
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129
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130 Report.Failed ("Constraint_Error not raised in Arr_Obj3");
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131
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132 exception
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133
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134 when Constraint_Error => null; -- exception expected.
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135 when others =>
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136 Report.Failed ("Arr_Obj3 - others exception raised");
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137
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138 end;
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139
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140 ---------------------------------------------------------------------------
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141 declare
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142
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143 type Arr_Int4 is array (Int range <>, Int range <>, Int range <>) of
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144 Integer;
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145 Arr_Obj4 : Arr_Int4 (1 .. Report.Ident_Int(2),
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146 Report.Ident_Int(1) .. Report.Ident_Int(3),
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147 Report.Ident_Int(3) .. Report.Ident_Int(2));
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148 -- null array object
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149 begin
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150
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151 -- Lengths mismatch, Constraint_Error raised.
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152 Arr_Obj4 := Arr_Int4'(Report.Ident_Int(1) .. 3 =>
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153 (Report.Ident_Int(1) .. Report.Ident_Int(2) =>
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154 (Report.Ident_Int(3) .. Report.Ident_Int(2) =>
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155 Report.Ident_Int(1))));
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156
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157 Report.Comment ("Dead assignment prevention in Arr_Obj4 => " &
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158 Integer'Image (Arr_Obj4'Last));
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159
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160 Report.Failed ("Constraint_Error not raised in Arr_Obj4");
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161
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162 exception
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163
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164 when Constraint_Error => null; -- exception expected.
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165 when others =>
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166 Report.Failed ("Arr_Obj4 - others exception raised");
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167
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168 end;
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169
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170 ---------------------------------------------------------------------------
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171 declare
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172
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173 type Arr_Int5 is array (Int range <>) of Integer;
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174 Arr_Obj5 : Arr_Int5 (2 .. Report.Ident_Int(1)); -- null array object
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175
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176 begin
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177
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178 -- Only lengths of two null ranges are different, no Constraint_Error
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179 -- raised.
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180 Arr_Obj5 := (Report.Ident_Int(3) .. 1 => Report.Ident_Int(1));
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181
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182 Report.Comment ("Dead assignment prevention in Arr_Obj5 => " &
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183 Integer'Image (Arr_Obj5'Last));
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184
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185 exception
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186
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187 when Constraint_Error =>
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188 Report.Failed ("Arr_Obj5 - Constraint_Error exception raised");
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189 when others =>
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190 Report.Failed ("Arr_Obj5 - others exception raised");
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191
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192 end;
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193
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194 ---------------------------------------------------------------------------
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195 declare
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196 subtype Str is String (Report.Ident_Int(5) .. 4);
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197 -- null string
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198 Str_Obj : Str;
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199
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200 begin
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201
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202 -- Same lengths, no Constraint_Error raised.
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203 Str_Obj := (Report.Ident_Int(1) .. 0 => 'Z');
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204 Str_Obj(2 .. 1) := "";
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205 Str_Obj(4 .. 2) := (others => 'X');
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206 Str_Obj(Report.Ident_Int(6) .. 3) := "";
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207 Str_Obj(Report.Ident_Int(0) .. Report.Ident_Int(-1)) := (others => 'Y');
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208
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209 exception
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210
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211 when Constraint_Error =>
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212 Report.Failed ("Str_Obj - Constraint_Error exception raised");
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213 when others =>
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214 Report.Failed ("Str_Obj - others exception raised");
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215
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216 end;
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217
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218 ---------------------------------------------------------------------------
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219 declare
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220
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221 type Arr_Char5 is array (Int range <>, Int range <>) of Character;
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222 subtype Formal is Arr_Char5
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223 (Report.Ident_Int(2) .. 0, 1 .. Report.Ident_Int(3));
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224 Arr_Obj5 : Arr_Char5 (Report.Ident_Int(2) .. Report.Ident_Int(1),
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225 Report.Ident_Int(1) .. Report.Ident_Int(2))
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226 := (Report.Ident_Int(2) .. Report.Ident_Int(1) =>
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227 (Report.Ident_Int(1) .. Report.Ident_Int(2) => ' '));
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228
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229 procedure Proc5 (P : in out Formal) is
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230 begin
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231 Report.Failed ("No exception raised in Proc5");
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232
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233 exception
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234
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235 when Constraint_Error =>
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236 Report.Failed ("Constraint_Error exception raised in Proc5");
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237 when others =>
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238 Report.Failed ("Others exception raised in Proc5");
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239 end;
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240
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241 begin
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242
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243 -- Lengths mismatch in the type conversion, Constraint_Error raised.
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244 Proc5 (Formal(Arr_Obj5));
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245
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246 Report.Failed ("Constraint_Error not raised in the call Proc5");
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247
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248 exception
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249
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250 when Constraint_Error => null; -- exception expected.
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251 when others =>
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252 Report.Failed ("Arr_Obj5 - others exception raised");
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253
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254 end;
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255
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256 ---------------------------------------------------------------------------
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257 declare
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258
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259 type Formal is array
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260 (Report.Ident_Int(1) .. 3, 3 .. Report.Ident_Int(1)) of Character;
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261
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262 type Actual is array
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263 (Report.Ident_Int(5) .. 3, 3 .. Report.Ident_Int(5)) of Character;
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264
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265 Arr_Obj6 : Actual := (5 .. 3 => (3 .. 5 => ' '));
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266
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267 procedure Proc6 (P : in out Formal) is
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268 begin
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269 Report.Failed ("No exception raised in Proc6");
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270
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271 exception
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272
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273 when Constraint_Error =>
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274 Report.Failed ("Constraint_Error exception raised in Proc6");
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275 when others =>
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276 Report.Failed ("Others exception raised in Proc6");
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277 end;
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278
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279 begin
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280
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281 -- Lengths mismatch in the type conversion, Constraint_Error raised.
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282 Proc6 (Formal(Arr_Obj6));
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283
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284 Report.Failed ("Constraint_Error not raised in the call Proc6");
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285
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286 exception
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287
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288 when Constraint_Error => null; -- exception expected.
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289 when others =>
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290 Report.Failed ("Arr_Obj6 - others exception raised");
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291
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292 end;
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293
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294 ---------------------------------------------------------------------------
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295 declare
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296
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297 type Formal is array (Int range <>, Int range <>) of Character;
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298 type Actual is array (Positive range 5 .. 2,
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299 Positive range 1 .. 3) of Character;
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300
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301 Arr_Obj7 : Actual := (5 .. 2 => (1 .. 3 => ' '));
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302
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303 procedure Proc7 (P : in out Formal) is
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304 begin
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305 if P'Last /= 2 and P'Last(2) /= 3 then
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306 Report.Failed ("Wrong bounds passed for Arr_Obj7");
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307 end if;
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308
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309 -- Lengths mismatch, Constraint_Error raised.
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310 P := (1 .. 3 => (3 .. 0 => ' '));
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311
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312 Report.Comment ("Dead assignment prevention in Proc7 => " &
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313 Integer'Image (P'Last));
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314
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315 Report.Failed ("No exception raised in Proc7");
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316
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317 exception
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318
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319 when Constraint_Error => null; -- exception expected.
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320 when others =>
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321 Report.Failed ("Others exception raised in Proc7");
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322 end;
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323
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324 begin
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325
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326 -- Same lengths, no Constraint_Error raised.
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327 Proc7 (Formal(Arr_Obj7));
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328
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329 if Arr_Obj7'Last /= 2 and Arr_Obj7'Last(2) /= 3 then
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330 Report.Failed ("Bounds changed for Arr_Obj7");
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331 end if;
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332
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333 exception
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334
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335 when Constraint_Error =>
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336 Report.Failed ("Constraint_Error exception raised after call Proc7");
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337 when others =>
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338 Report.Failed ("Arr_Obj7 - others exception raised");
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339
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340 end;
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341
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342 ---------------------------------------------------------------------------
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343 declare
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344
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345 type Arr_Char8 is array (Int range <>, Int range <>) of Character;
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346 subtype Formal is Arr_Char8
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347 (Report.Ident_Int(2) .. 0, 1 .. Report.Ident_Int(3));
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348 Arr_Obj8 : Arr_Char8 (Report.Ident_Int(2) .. Report.Ident_Int(1),
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349 Report.Ident_Int(1) .. Report.Ident_Int(2));
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350
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351 procedure Proc8 (P : out Formal) is
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352 begin
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353 Report.Failed ("No exception raised in Proc8");
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354
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355 exception
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356
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357 when Constraint_Error =>
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358 Report.Failed ("Constraint_Error exception raised in Proc8");
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359 when others =>
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360 Report.Failed ("Others exception raised in Proc8");
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361 end;
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362
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363 begin
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364
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365 -- Lengths mismatch in the type conversion, Constraint_Error raised.
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366 Proc8 (Formal(Arr_Obj8));
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367
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368 Report.Failed ("Constraint_Error not raised in the call Proc8");
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369
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370 exception
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371
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372 when Constraint_Error => null; -- exception expected.
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373 when others =>
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374 Report.Failed ("Arr_Obj8 - others exception raised");
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375
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376 end;
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377
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378 ---------------------------------------------------------------------------
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379 declare
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380
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381 type Formal is array
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382 (Report.Ident_Int(1) .. 3, 3 .. Report.Ident_Int(1)) of Character;
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383
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384 type Actual is array
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385 (Report.Ident_Int(5) .. 3, 3 .. Report.Ident_Int(5)) of Character;
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386
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387 Arr_Obj9 : Actual;
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388
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389 procedure Proc9 (P : out Formal) is
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390 begin
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391 Report.Failed ("No exception raised in Proc9");
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392
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393 exception
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394
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395 when Constraint_Error =>
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396 Report.Failed ("Constraint_Error exception raised in Proc9");
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397 when others =>
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398 Report.Failed ("Others exception raised in Proc9");
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399 end;
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400
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401 begin
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402
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403 -- Lengths mismatch in the type conversion, Constraint_Error raised.
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404 Proc9 (Formal(Arr_Obj9));
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405
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406 Report.Failed ("Constraint_Error not raised in the call Proc9");
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407
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408 exception
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409
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410 when Constraint_Error => null; -- exception expected.
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411 when others =>
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412 Report.Failed ("Arr_Obj9 - others exception raised");
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413
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414 end;
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415
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416 ---------------------------------------------------------------------------
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417 declare
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418
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419 type Formal is array (Int range <>, Int range <>) of Character;
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420 type Actual is array (Positive range 5 .. 2,
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421 Positive range 1 .. 3) of Character;
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422
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423 Arr_Obj10 : Actual;
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424
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425 procedure Proc10 (P : out Formal) is
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426 begin
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427 if P'Last /= 2 and P'Last(2) /= 3 then
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428 Report.Failed ("Wrong bounds passed for Arr_Obj10");
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429 end if;
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430
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431 -- Lengths mismatch, Constraint_Error raised.
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432 P := (1 .. 3 => (3 .. 1 => ' '));
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433
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434 Report.Comment ("Dead assignment prevention in Proc10 => " &
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435 Integer'Image (P'Last));
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436
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437 Report.Failed ("No exception raised in Proc10");
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438
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439 exception
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440
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441 when Constraint_Error => null; -- exception expected.
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442 when others =>
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443 Report.Failed ("Others exception raised in Proc10");
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444 end;
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445
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446 begin
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447
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448 -- Same lengths, no Constraint_Error raised.
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449 Proc10 (Formal(Arr_Obj10));
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450
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451 if Arr_Obj10'Last /= 2 and Arr_Obj10'Last(2) /= 3 then
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452 Report.Failed ("Bounds changed for Arr_Obj10");
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453 end if;
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454
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455 exception
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456
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457 when Constraint_Error =>
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458 Report.Failed ("Constraint_Error exception raised after call Proc10");
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459 when others =>
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460 Report.Failed ("Arr_Obj10 - others exception raised");
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461
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462 end;
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463
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464 ---------------------------------------------------------------------------
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465 Report.Result;
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466
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467 end C460009;
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