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with Ada.Containers;
package body Graph_Tests.Modify is
function Insert_Check
return Test_Result
is
use type Graphs.Cursor;
To_Insert : Node_ID;
To_Edge : Edge_ID;
Copy_Graph : Graphs.Graph := My_Nonempty_Graph;
begin
To_Insert := Copy_Graph.Unused;
if Copy_Graph.To_Cursor (To_Insert) /= Graphs.No_Element then
return Fail;
end if;
Copy_Graph.Insert (To_Insert);
if Copy_Graph.To_Cursor (To_Insert) = Graphs.No_Element then
return Fail;
end if;
To_Insert := Copy_Graph.Unused;
if Copy_Graph.To_Cursor (To_Insert) /= Graphs.No_Element then
return Fail;
end if;
Copy_Graph.Insert (To_Insert, Node_Label (+"HAHA"));
if Copy_Graph.To_Cursor (To_Insert) = Graphs.No_Element or else
not Copy_Graph.Has_Label (To_Insert) or else
Copy_Graph.Label (To_Insert) /= Node_Label (+"HAHA")
then
return Fail;
end if;
declare
Insert_Nodes : Graphs.Node_Array := Copy_Graph.Unused (5);
begin
for N of Insert_Nodes loop
if Copy_Graph.To_Cursor (N) /= Graphs.No_Element then
return Fail;
end if;
end loop;
Copy_Graph.Insert (Insert_Nodes);
for N of Insert_Nodes loop
if Copy_Graph.To_Cursor (N) = Graphs.No_Element then
return Fail;
end if;
end loop;
end;
if Copy_Graph.Has_Edge (5, 9) then
return Fail;
end if;
To_Edge := Copy_Graph.Unused;
Copy_Graph.Insert (Graphs.Edge_Type'(To_Edge, 5, 9));
if not Copy_Graph.Has_Edge (5, 9) then
return Fail;
end if;
if Copy_Graph.Has_Edge (5, 11) then
return Fail;
end if;
To_Edge := Copy_Graph.Unused;
Copy_Graph.Insert ((To_Edge, 5, 11), Edge_Label (+"LOL"));
if not Copy_Graph.Has_Edge (5, 11) or else
not Copy_Graph.Has_Label ((To_Edge, 5, 11)) or else
Copy_Graph.Label ((To_Edge, 5, 11)) /= Edge_Label (+"LOL")
then
return Fail;
end if;
return Pass;
end Insert_Check;
function Delete_Check
return Test_Result
is
use type Graphs.Cursor;
use type Ada.Containers.Count_Type;
Copy_Graph : Graphs.Graph := My_Nonempty_Graph;
begin
if Copy_Graph.To_Cursor (2) = Graphs.No_Element then
return Fail;
end if;
Copy_Graph.Delete (2);
if Copy_Graph.To_Cursor (2) /= Graphs.No_Element or
Copy_Graph.Node_Count /= 3 or
Copy_Graph.Edge_Count /= 1
then
return Fail;
end if;
if not Copy_Graph.Has_Edge (9, 11) then
return Fail;
end if;
Copy_Graph.Delete (Graphs.Edge_Type'(2, 9, 11));
if Copy_Graph.Has_Edge (9, 11) or
Copy_Graph.Edge_Count /= 0
then
return Fail;
end if;
return Pass;
end Delete_Check;
function Delete_Subgraph_Check
return Test_Result
is
use type Graphs.Cursor;
use type Ada.Containers.Count_Type;
Copy_Graph : Graphs.Graph := My_Complex_Graph;
Position : Graphs.Cursor := Copy_Graph.To_Cursor (2);
begin
Graphs.Delete_Subgraph (Position);
if Copy_Graph.To_Cursor (2) /= Graphs.No_Element or
Copy_Graph.Node_Count /= 7 or
Copy_Graph.Edge_Count /= 9
then
return Fail;
end if;
return Pass;
end Delete_Subgraph_Check;
function Swap_Check
return Test_Result
is
use type Ada.Containers.Count_Type;
function Perm is new Is_Permutation (Node_ID, Positive, Graphs.Node_Array);
Copy_Graph : Graphs.Graph := My_Complex_Graph;
Left_Parents : Graphs.Node_Array := Copy_Graph.Parents (2);
Left_Children : Graphs.Node_Array := Copy_Graph.Children (2);
Left_Indegree : Ada.Containers.Count_Type := Copy_Graph.Indegree (2);
Left_Outdegree : Ada.Containers.Count_Type := Copy_Graph.Outdegree (2);
Right_Parents : Graphs.Node_Array := Copy_Graph.Parents (5);
Right_Children : Graphs.Node_Array := Copy_Graph.Children (5);
Right_Indegree : Ada.Containers.Count_Type := Copy_Graph.Indegree (5);
Right_Outdegree : Ada.Containers.Count_Type := Copy_Graph.Outdegree (5);
begin
Copy_Graph.Append_Label (2, Node_Label (+"ABC"));
Copy_Graph.Append_Label (5, Node_Label (+"DEF"));
Copy_Graph.Swap (2, 5);
if not Perm (Copy_Graph.Parents (2), Right_Parents) or
not Perm (Copy_Graph.Children (2), Right_Children) or
not Perm (Copy_Graph.Parents (5), Left_Parents) or
not Perm (Copy_Graph.Children (5), Left_Children) or
Copy_Graph.Label (2) /= Node_Label (+"ABC") or
Copy_Graph.Label (5) /= Node_Label (+"DEF") or
Copy_Graph.Indegree (2) /= Right_Indegree or
Copy_Graph.Outdegree (2) /= Right_Outdegree or
Copy_Graph.Indegree (5) /= Left_Indegree or
Copy_Graph.Outdegree (5) /= Left_Outdegree
then
return Fail;
end if;
return Pass;
end Swap_Check;
end Graph_Tests.Modify;
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