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            TC_Discrete_Check_Failed := False;         end if;         if TC_Enum_Check_Failed then            Report.Failed("Enumeration random values generated following " &                          "use of procedures Save and Reset were not the " &                          "same");            TC_Enum_Check_Failed := False;         end if;         if TC_Float_Check_Failed then            Report.Failed("Float random values generated following use " &                          "of procedures Save and Reset were not the same");            TC_Float_Check_Failed := False;         end if;      end Objective_1;      Objective_2:         -- Check that the Function Image can be used to obtain a string         -- representation of the state of a generator.         -- Check that the Function Value will transform a string         -- representation of the state of a random number generator         -- into the actual state object.      begin         -- Use two discrete and float random number generators to generate         -- a series of values (so that the generators are no longer in their         -- initial states, and they have generated the same number of         -- random values).         TC_Seed := Integer(Discrete_Pack.Random(DGen_1));         Discrete_Pack.Reset(DGen_1, TC_Seed);         Discrete_Pack.Reset(DGen_2, TC_Seed);         Card_Pack.Reset    (EGen_1, TC_Seed);         Card_Pack.Reset    (EGen_2, TC_Seed);         Float_Random.Reset (FGen_1,  TC_Seed);         Float_Random.Reset (FGen_2,  TC_Seed);         for i in 1..1000 loop            DVal_1 := Discrete_Pack.Random(DGen_1);            DVal_2 := Discrete_Pack.Random(DGen_2);            EVal_1 := Card_Pack.Random(EGen_1);            EVal_2 := Card_Pack.Random(EGen_2);            FVal_1 := Float_Random.Random(FGen_1);            FVal_2 := Float_Random.Random(FGen_2);         end loop;         -- Use the Procedure Save to save the states of the generators         -- to state variables.         Discrete_Pack.Save(Gen => DGen_1, To_State => DState_1);         Discrete_Pack.Save(DGen_2, To_State => DState_2);         Card_Pack.Save    (Gen => EGen_1, To_State => EState_1);         Card_Pack.Save    (EGen_2, To_State => EState_2);         Float_Random.Save (FGen_1, To_State => FState_1);         Float_Random.Save (FGen_2, FState_2);         -- Use the Function Image to produce a representation of the state         -- codes as (bounded) string objects.         DString_1 := DString_Pack.To_Bounded_String(                        Discrete_Pack.Image(Of_State => DState_1));         DString_2 := DString_Pack.To_Bounded_String(                        Discrete_Pack.Image(DState_2));         EString_1 := EString_Pack.To_Bounded_String(                        Card_Pack.Image(Of_State => EState_1));         EString_2 := EString_Pack.To_Bounded_String(                        Card_Pack.Image(EState_2));         FString_1 := FString_Pack.To_Bounded_String(                        Float_Random.Image(Of_State => FState_1));         FString_2 := FString_Pack.To_Bounded_String(                        Float_Random.Image(FState_2));         -- Compare the bounded string objects for equality.         if DString_1 /= DString_2 then            Report.Failed("String values returned from Function Image " &                          "depict different states of Discrete generators");         end if;         if EString_1 /= EString_2 then            Report.Failed("String values returned from Function Image " &                          "depict different states of Enumeration "     &                          "generators");         end if;         if FString_1 /= FString_2 then            Report.Failed("String values returned from Function Image " &                          "depict different states of Float generators");         end if;         -- The string representation of a state code is transformed back         -- to a state code variable using the Function Value.         DState_1 := Discrete_Pack.Value(Coded_State =>                                          DString_Pack.To_String(DString_1));         EState_1 := Card_Pack.Value(EString_Pack.To_String(EString_1));         FState_1 := Float_Random.Value(FString_Pack.To_String(FString_1));         -- One of the (pair of each type of ) generators is used to generate         -- a series of random values, getting them "out of synch" with the         -- specific generation sequence of the other generators.         for i in 1..100 loop            DVal_1 := Discrete_Pack.Random(DGen_1);            EVal_1 := Card_Pack.Random(EGen_1);            FVal_1 := Float_Random.Random (FGen_1);         end loop;         -- The "out of synch" generators are reset to the previous state they         -- had when their states were saved, and they should now have the same         -- states as the generators that did not generate the values above.         Discrete_Pack.Reset(Gen => DGen_1, From_State => DState_1);         Card_Pack.Reset    (Gen => EGen_1, From_State => EState_1);         Float_Random.Reset (Gen => FGen_1, From_State => FState_1);         -- All generators should now be in the same state, so the         -- random values they produce should be the same.         for i in 1..1000 loop            if Discrete_Pack.Random(DGen_1) /= Discrete_Pack.Random(DGen_2)            then               TC_Discrete_Check_Failed := True;               exit;            end if;         end loop;         for i in 1..1000 loop            if Card_Pack.Random(EGen_1) /= Card_Pack.Random(EGen_2) then               TC_Enum_Check_Failed := True;               exit;            end if;         end loop;         for i in 1..1000 loop            if Float_Random.Random(FGen_1) /= Float_Random.Random(FGen_2)            then               TC_Float_Check_Failed := True;               exit;            end if;         end loop;         if TC_Discrete_Check_Failed then            Report.Failed("Random values generated following use of "     &                          "procedures Image and Value were not the same " &                          "for Discrete generator");         end if;         if TC_Enum_Check_Failed then            Report.Failed("Random values generated following use of "     &                          "procedures Image and Value were not the same " &                          "for Enumeration generator");         end if;         if TC_Float_Check_Failed then            Report.Failed("Random values generated following use of "     &                          "procedures Image and Value were not the same " &                          "for Float generator");         end if;      end Objective_2;      Objective_3:         -- Check that a call to Function Value, with a string value that is         -- not the image of any generator state, is a bounded error. This         -- error either raises Constraint_Error or Program_Error, or is         -- accepted. (See Technical Corrigendum 1).      declare         Not_A_State : constant String := ImpDef.Non_State_String;      begin         begin            DState_1 := Discrete_Pack.Value(Not_A_State);            if Not_A_State /= "**NONE**" then               Report.Failed("Exception not raised by Function " &                             "Ada.Numerics.Discrete_Random.Value when " &                             "provided a string input that does not "   &                             "represent the state of a random number "  &                             "generator");            else               Report.Comment("All strings represent states for Function " &                             "Ada.Numerics.Discrete_Random.Value");            end if;            Discrete_Pack.Reset(DGen_1, DState_1);         exception            when Constraint_Error => null;  -- OK, expected exception.               Report.Comment("Constraint_Error raised by Function " &                             "Ada.Numerics.Discrete_Random.Value when " &                             "provided a string input that does not "   &                             "represent the state of a random number "  &                             "generator");            when Program_Error => -- OK, expected exception.               Report.Comment("Program_Error raised by Function " &                             "Ada.Numerics.Discrete_Random.Value when " &                             "provided a string input that does not "   &                             "represent the state of a random number "  &                             "generator");            when others =>               Report.Failed("Unexpected exception raised by Function " &                             "Ada.Numerics.Discrete_Random.Value when " &                             "provided a string input that does not "   &                             "represent the state of a random number "  &                             "generator");         end;         begin            EState_1 := Card_Pack.Value(Not_A_State);            if Not_A_State /= "**NONE**" then               Report.Failed("Exception not raised by Function " &                             "Ada.Numerics.Discrete_Random.Value when " &                             "provided a string input that does not "   &                             "represent the state of an enumeration "   &                             "random number generator");            else               Report.Comment("All strings represent states for Function " &                             "Ada.Numerics.Discrete_Random.Value");            end if;            Card_Pack.Reset(EGen_1, EState_1);         exception            when Constraint_Error => null;  -- OK, expected exception.            when Program_Error => null; -- OK, expected exception.            when others =>               Report.Failed("Unexpected exception raised by Function " &                             "Ada.Numerics.Discrete_Random.Value when " &                             "provided a string input that does not "   &                             "represent the state of an enumeration "   &                             "random number generator");         end;         begin            FState_1 := Float_Random.Value(Not_A_State);            if Not_A_State /= "**NONE**" then               Report.Failed("Exception not raised by an "      &                             "instantiated version of "                &                             "Ada.Numerics.Float_Random.Value when "   &                             "provided a string input that does not "  &                             "represent the state of a random number " &                             "generator");            else               Report.Comment("All strings represent states for Function " &                             "Ada.Numerics.Float_Random.Value");            end if;            Float_Random.Reset(FGen_1, FState_1);         exception            when Constraint_Error => null;  -- OK, expected exception.            when Program_Error => null; -- OK, expected exception.            when others =>               Report.Failed("Unexpected exception raised by an "      &                             "instantiated version of "                &                             "Ada.Numerics.Float_Random.Value when "   &                             "provided a string input that does not "  &                             "represent the state of a random number " &                             "generator");         end;      end Objective_3;   exception      when others => Report.Failed ("Exception raised in Test_Block");   end Test_Block;   Report.Result;end CXA5012;

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