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1 -- C910002.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 the contents of a task object include the values
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28 -- of its discriminants.
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29 -- Check that selected_component notation can be used to
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30 -- denote a discriminant of a task.
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31 --
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32 -- TEST DESCRIPTION:
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33 -- This test declares a task type that contains discriminants.
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34 -- Objects of the task type are created with different values.
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35 -- The task type has nested tasks that are used to check that
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36 -- the discriminate values are the expected values.
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37 -- Note that the names of the discriminants in the body of task
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38 -- type DTT denote the current instance of the unit.
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39 --
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40 --
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41 -- CHANGE HISTORY:
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42 -- 12 OCT 95 SAIC Initial release for 2.1
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43 -- 8 MAY 96 SAIC Incorporated Reviewer comments.
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44 --
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45 --!
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46
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47
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48 with Report;
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49 procedure C910002 is
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50 Verbose : constant Boolean := False;
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51 begin
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52 Report.Test ("C910002",
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53 "Check that selected_component notation can be" &
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54 " used to access task discriminants");
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55 declare
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56
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57 task type DTT
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58 (IA, IB : Integer;
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59 CA, CB : Character) is
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60 entry Check_Values (First_Int : Integer;
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61 First_Char : Character);
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62 end DTT;
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63
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64 task body DTT is
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65 Int1 : Integer;
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66 Char1 : Character;
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67
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68 -- simple nested task to check the character values
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69 task Check_Chars is
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70 entry Start_Check;
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71 end Check_Chars;
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72 task body Check_Chars is
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73 begin
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74 accept Start_Check;
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75 if DTT.CA /= Char1 or
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76 DTT.CB /= Character'Succ (Char1) then
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77 Report.Failed ("character check failed. Expected: '" &
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78 Char1 & Character'Succ (Char1) &
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79 "' but found '" &
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80 DTT.CA & DTT.CB & "'");
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81 elsif Verbose then
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82 Report.Comment ("char check for " & Char1);
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83 end if;
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84 exception
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85 when others => Report.Failed ("exception in Check_Chars");
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86 end Check_Chars;
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87
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88 -- use a discriminated task to check the integer values
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89 task type Check_Ints (First : Integer);
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90 task body Check_Ints is
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91 begin
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92 if DTT.IA /= Check_Ints.First or
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93 IB /= First+1 then
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94 Report.Failed ("integer check failed. Expected:" &
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95 Integer'Image (Check_Ints.First) &
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96 Integer'Image (First+1) &
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97 " but found" &
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98 Integer'Image (DTT.IA) & Integer'Image (IB) );
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99 elsif Verbose then
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100 Report.Comment ("int check for" & Integer'Image (First));
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101 end if;
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102 exception
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103 when others => Report.Failed ("exception in Check_Ints");
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104 end Check_Ints;
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105 begin
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106 accept Check_Values (First_Int : Integer;
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107 First_Char : Character) do
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108 Int1 := First_Int;
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109 Char1 := First_Char;
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110 end Check_Values;
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111
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112 -- kick off the character check
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113 Check_Chars.Start_Check;
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114
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115 -- do the integer check
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116 declare
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117 Int_Checker : Check_Ints (Int1);
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118 begin
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119 null; -- let task do its thing
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120 end;
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121
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122 -- do one test here too
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123 if DTT.IA /= Int1 then
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124 Report.Failed ("DTT check failed. Expected:" &
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125 Integer'Image (Int1) &
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126 " but found:" &
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127 Integer'Image (DTT.IA));
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128 elsif Verbose then
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129 Report.Comment ("DTT check for" & Integer'Image (Int1));
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130 end if;
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131 exception
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132 when others => Report.Failed ("exception in DTT");
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133 end DTT;
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134
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135 T1a : DTT (1, 2, 'a', 'b');
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136 T9C : DTT (9, 10, 'C', 'D');
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137 begin -- test encapsulation
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138 T1a.Check_Values (1, 'a');
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139 T9C.Check_Values (9, 'C');
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140 end;
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141
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142 Report.Result;
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143 end C910002;
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