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separate (Ratnest.Tests)
package body Graphs is
type My_Labels is (One, Two, Three, Four, Five, Six);
package My_Graphs is new Packrat.Graphs (My_Labels, Character, String);
use type My_Graphs.Node;
use type My_Graphs.Cursor;
use type My_Graphs.Graph;
function Node_Check
return Test_Result
is
Leafeon : My_Graphs.Node := My_Graphs.Leaf ("abc", 1, 3);
Brancheon : My_Graphs.Node := My_Graphs.Branch (One, 4, 3);
begin
if My_Graphs.Elements (Leafeon) /= "abc" or My_Graphs.Label (Brancheon) /= One or
My_Graphs.Start (Leafeon) /= 1 or My_Graphs.Start (Brancheon) /= 4 or
My_Graphs.Finish (Leafeon) /= 3 or My_Graphs.Finish (Brancheon) /= 3
then
return Fail;
end if;
return Pass;
end Node_Check;
function Empty_Check
return Test_Result is
begin
if not My_Graphs.Empty_Graph.Is_Empty or
not My_Graphs.Is_Nothing (My_Graphs.No_Position)
then
return Fail;
end if;
return Pass;
end Empty_Check;
function Attachment_Check
return Test_Result
is
Leaf1 : My_Graphs.Graph := My_Graphs.Singleton (My_Graphs.Leaf ("abc", 1, 3));
Leaf2 : My_Graphs.Graph := My_Graphs.Singleton (My_Graphs.Leaf ("def", 4, 6));
Leaf3 : My_Graphs.Graph := My_Graphs.Singleton (My_Graphs.Leaf ("abc", 4, 6));
Leaf4 : My_Graphs.Graph := My_Graphs.Singleton (My_Graphs.Leaf ("def", 1, 3));
Brancheon : My_Graphs.Graph :=
My_Graphs.Singleton (My_Graphs.Branch (Three, 1, 15));
Merge1 : My_Graphs.Graph := Leaf1;
Merge2 : My_Graphs.Graph := Leaf3;
Merge3 : My_Graphs.Graph := Brancheon;
Cursor1 : My_Graphs.Cursor := Merge3.Root (1);
begin
Merge1.Append (Leaf2);
Merge2.Prepend (Leaf4);
Merge3.Attach_Choice (Cursor1, Merge1);
if Merge1.Root_Count /= 2 or else
Merge2.Root_Count /= 2 or else
Merge3.Root_Count /= 1 or else
not My_Graphs.Is_Leaf (Merge1.Root (1)) or else
not My_Graphs.Is_Leaf (Merge1.Root (2)) or else
My_Graphs.Elements (Merge1.Root (1)) /= "abc" or else
My_Graphs.Elements (Merge1.Root (2)) /= "def" or else
not My_Graphs.Is_Leaf (Merge2.Root (1)) or else
not My_Graphs.Is_Leaf (Merge2.Root (2)) or else
My_Graphs.Elements (Merge2.Root (1)) /= "def" or else
My_Graphs.Elements (Merge2.Root (2)) /= "abc" or else
not My_Graphs.Is_Branch (Merge3.Root (1)) or else
My_Graphs.Label (Cursor1) /= Three or else
My_Graphs.Child_Count (Cursor1) /= 2 or else
My_Graphs.Elements (My_Graphs.First_Child (Cursor1)) /= "abc" or else
My_Graphs.Elements (My_Graphs.Last_Child (Cursor1)) /= "def"
then
return Fail;
end if;
return Pass;
end Attachment_Check;
function Find_Check
return Test_Result
is
Leafeon : My_Graphs.Graph := My_Graphs.Singleton (My_Graphs.Leaf ("abc", 1, 3));
Brancheon : My_Graphs.Graph := My_Graphs.Singleton (My_Graphs.Branch (One, 1, 5));
Combined : My_Graphs.Graph := Brancheon;
begin
Combined.Attach_Choice (Combined.Root (1), Leafeon);
declare
Expected_Result : My_Graphs.Cursor := My_Graphs.First_Child (Combined.Root (1));
begin
if Combined.Find ("abc") /= Expected_Result or
Combined.Find ("def") /= My_Graphs.No_Position or
Brancheon.Find ("any") /= My_Graphs.No_Position
then
return Fail;
end if;
end;
return Pass;
end Find_Check;
function Find_Subgraph_Check
return Test_Result
is
Leafeon : My_Graphs.Graph := My_Graphs.Singleton (My_Graphs.Leaf ("abc", 1, 3));
Branch1 : My_Graphs.Graph := My_Graphs.Singleton (My_Graphs.Branch (One, 1, 4));
Branch2 : My_Graphs.Graph := My_Graphs.Singleton (My_Graphs.Branch (Two, 1, 5));
Combined : My_Graphs.Graph := Branch2;
My_Cursor : My_Graphs.Cursor := Combined.Root (1);
begin
Combined.Attach_Choice (My_Cursor, Branch1);
My_Cursor := My_Graphs.First_Child (My_Cursor);
Combined.Attach_Choice (My_Cursor, Leafeon);
declare
Expected_Result : My_Graphs.Cursor := My_Graphs.First_Child (My_Cursor);
begin
if My_Graphs.Find_In_Subgraph (My_Cursor, "abc") /= Expected_Result or
My_Graphs.Find_In_Subgraph (My_Cursor, "def") /= My_Graphs.No_Position
then
return Fail;
end if;
end;
return Pass;
end Find_Subgraph_Check;
end Graphs;
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