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with AUnit.Test_Cases.Registration;
use AUnit.Test_Cases.Registration;
with AUnit.Assertions; use AUnit.Assertions;
with AUnit.Lists;
package body Test_Lists is
package Integer_Lists is new AUnit.Lists (Integer);
use Integer_Lists;
L : List;
procedure Set_Up (T : in out Test_Case) is
begin
if not Before (L) then
Back (L);
end if;
end Set_Up;
procedure Tear_Down (T : in out Test_Case) is
begin
Wipe_Out (L);
end Tear_Down;
-- Test Routines:
procedure Test_Creation (T : in out AUnit.Test_Cases.Test_Case'Class) is
begin
Assert (Before (L), "Cursor not properly set on initialization");
Assert (Empty (L), "Initial list not empty");
end Test_Creation;
procedure Test_Back (T : in out AUnit.Test_Cases.Test_Case'Class) is
I : Natural;
begin
Extend (L, 1);
Extend (L, 2);
Finish (L);
Assert (Is_Last (L), "Finish did not put cursor at end of list");
I := Index (L);
Back (L);
Assert
(Index (L) = I - 1,
"Cursor not moved backwards: expected " &
Integer'Image (I - 1) & ", got " & Integer'Image (Index (L)));
end Test_Back;
procedure Test_Finish (T : in out AUnit.Test_Cases.Test_Case'Class) is
begin
Finish (L);
Assert (Before (L), "Finish on empty list /= Before");
Extend (L, 1);
Finish (L);
Assert
(Is_Last (L),
"Finish failed to place cursor on last element of the list");
end Test_Finish;
procedure Test_Forth (T : in out AUnit.Test_Cases.Test_Case'Class) is
begin
Extend (L, 1);
Extend (L, 2);
Forth (L);
Assert
(Index (L) = 1,
"Forth failed to advance cursor: expected " &
Integer'Image (1) &
" got " &
Integer'Image (Index (L)));
Forth (L);
Assert
(Index (L) = 2,
"Forth failed to advance cursor: expected " &
Integer'Image (2) &
" got " &
Integer'Image (Index (L)));
end Test_Forth;
procedure Test_Go_I_Th (T : in out AUnit.Test_Cases.Test_Case'Class) is
begin
Extend (L, 1);
Extend (L, 2);
Extend (L, 3);
for I in 0 .. Count (L) + 1 loop
Go_I_Th (L, I);
Assert
(Index (L) = I,
"Go_I_Th failed to place cursor correctly: expected " &
Integer'Image (I) &
" got " &
Integer'Image (Index (L)));
end loop;
end Test_Go_I_Th;
procedure Test_Move (T : in out AUnit.Test_Cases.Test_Case'Class) is
I : Natural;
begin
Extend (L, 1);
Extend (L, 2);
Extend (L, 3);
Move (L, 4);
Assert (Off (L), "Move beyond end of list did not result in Off");
Move (L, -4);
Assert (Off (L), "Move before beginning of list did not result in Off");
Start (L);
I := Index (L);
Move (L, 2);
Assert (not Off (L), "Test written incorrectly: expected not Off");
Assert
(Index (L) = I + 2,
"Move failed to position cursor: expected " &
Integer'Image (I + 2) &
" got " &
Integer'Image (Index (L)));
Finish (L);
I := Index (L);
Move (L, -2);
Assert (not Off (L), "Test written incorrectly: expected not Off");
Assert
(Index (L) = I + (-2),
"Move failed to position cursor: expected " &
Integer'Image (I + (-2)) &
" got " &
Integer'Image (Index (L)));
Start (L);
Move (L, -1);
Assert
(Before (L), "Move prior to first element failed to indicate Before");
Finish (L);
Move (L, 1);
Assert
(After (L), "Move beyond last element failed to indicate After");
end Test_Move;
procedure Test_Start (T : in out AUnit.Test_Cases.Test_Case'Class) is
begin
Start (L);
Assert (After (L), "Start on empty list failed to indicate After");
Extend (L, 1);
Extend (L, 2);
Finish (L);
Start (L);
Assert
(Is_First (L), "Start on non-empty list failed to indicate Is_First");
end Test_Start;
procedure Test_Put_Front (T : in out AUnit.Test_Cases.Test_Case'Class) is
Old_Count : Natural := 0;
begin
Put_Front (L, 1);
Assert
(Count (L) = Old_Count + 1,
"Put_Front failed to increment count on initial list");
Assert
(First (L) = 1,
"Put_Front inserted element incorrectly on empty list");
Old_Count := Count (L);
Put_Front (L, 2);
Assert
(Count (L) = Old_Count + 1,
"Put_Front failed to increment count on non-empty list");
Assert
(First (L) = 2,
"Put_Front inserted element incorrectly on non-empty list");
end Test_Put_Front;
procedure Test_Put_Left (T : in out AUnit.Test_Cases.Test_Case'Class) is
Old_Count, Old_Index : Natural;
begin
Extend (L, 1);
Start (L);
Old_Count := Count (L);
Old_Index := Index (L);
Put_Left (L, 2);
Assert
(Count (L) = Old_Count + 1,
"Put_Left failed to increment Count for single element list");
Assert
(Index (L) = Old_Index + 1,
"Put_Left failed to adjust index for single element list");
Finish (L);
Old_Count := Count (L);
Old_Index := Index (L);
Put_Left (L, 3);
Assert
(Count (L) = Old_Count + 1,
"Put_Left failed to increment Count for multi-element list");
Assert
(Index (L) = Old_Index + 1,
"Put_Left failed to adjust index for multi-element list");
end Test_Put_Left;
procedure Test_Put_Right (T : in out AUnit.Test_Cases.Test_Case'Class) is
Old_Count, Old_Index : Natural;
begin
Extend (L, 1);
Start (L);
Old_Count := Count (L);
Old_Index := Index (L);
Put_Right (L, 2);
Assert
(Count (L) = Old_Count + 1,
"Put_Right failed to increment Count for single element list");
Assert
(Index (L) = Old_Index,
"Put_Right failed to maintain index for single element list");
Start (L);
Old_Count := Count (L);
Old_Index := Index (L);
Put_Right (L, 3);
Assert
(Count (L) = Old_Count + 1,
"Put_Right failed to increment Count for multi-element list");
Assert
(Index (L) = Old_Index,
"Put_Right failed to maintain index for multi-element list");
end Test_Put_Right;
procedure Test_Replace (T : in out AUnit.Test_Cases.Test_Case'Class) is
begin
Extend (L, 1);
Start (L);
Replace (L, 2);
Assert (Item (L) = 2, "Replace failed for one element list");
Extend (L, 1);
Finish (L);
Replace (L, 3);
Assert (Item (L) = 3, "Replace failed at end of list");
Extend (L, 1);
Start (L);
Forth (L);
Replace (L, 4);
Assert (Item (L) = 4, "Replace failed in middle of list");
end Test_Replace;
procedure Test_Remove (T : in out AUnit.Test_Cases.Test_Case'Class) is
begin
Extend (L, 1);
Extend (L, 2);
Extend (L, 3);
Start (L);
Forth (L);
Remove (L);
Assert
(Count (L) = 2,
"Remove failed to adjust Count when removing from middle of list");
Finish (L);
Remove (L);
Assert
(Count (L) = 1,
"Remove failed to adjust Count when removing from end of list");
Start (L);
Remove (L);
Assert (Empty (L), "Removal of last element failed to empty list");
Assert (After (L), "Removal of last element failed to indicate After");
end Test_Remove;
procedure Test_Remove_Left (T : in out AUnit.Test_Cases.Test_Case'Class) is
Old_Count, Old_Index : Natural;
begin
Extend (L, 1);
Extend (L, 2);
Extend (L, 3);
Extend (L, 4);
Finish (L);
Old_Count := Count (L);
Old_Index := Index (L);
Remove_Left (L);
Assert
(Count (L) = Old_Count - 1,
"Remove_Left failed to adjust Count when removing before last element");
Assert
(Index (L) = Old_Index - 1,
"Remove_Left failed to adjust Index when removing before last element");
Start (L);
Forth (L);
Old_Count := Count (L);
Old_Index := Index (L);
Remove_Left (L);
Assert
(Count (L) = Old_Count - 1,
"Remove_Left failed to adjust Count when removing first element");
Assert
(Index (L) = Old_Index - 1,
"Remove_Left failed to adjust Index when removing first element");
end Test_Remove_Left;
procedure Test_Remove_Right (T : in out AUnit.Test_Cases.Test_Case'Class) is
Old_Count, Old_Index : Natural;
begin
Extend (L, 1);
Extend (L, 2);
Extend (L, 3);
Extend (L, 4);
Start (L);
Old_Count := Count (L);
Old_Index := Index (L);
Remove_Right (L);
Assert
(Count (L) = Old_Count - 1,
"Remove_Right failed to adjust Count when removing after first element");
Assert
(Index (L) = Old_Index,
"Remove_Right failed to maintain Index when removing after first element");
Finish (L);
Back (L);
Old_Count := Count (L);
Old_Index := Index (L);
Remove_Right (L);
Assert
(Count (L) = Old_Count - 1,
"Remove_Right failed to adjust Count when removing last element");
Assert
(Index (L) = Old_Index,
"Remove_Right failed to maintain Index when removing last element");
end Test_Remove_Right;
procedure Test_Wipe_Out (T : in out AUnit.Test_Cases.Test_Case'Class) is
begin
for I in 1 .. 10 loop
Extend (L, I);
end loop;
Wipe_Out (L);
Assert (Empty (L), "Wipe_Out failed to empty list");
Wipe_Out (L);
exception
when others =>
Assert (False, "Wipe_Out fails when called on empty list");
end Test_Wipe_Out;
-- Register test routines to call:
procedure Register_Tests (T : in out Test_Case) is
begin
-- Repeat for each test routine.
Register_Routine (T, Test_Creation'Access, "Test Creation");
Register_Routine (T, Test_Back'Access, "Test Back");
Register_Routine (T, Test_Finish'Access, "Test Finish");
Register_Routine (T, Test_Forth'Access, "Test Forth");
Register_Routine (T, Test_Go_I_Th'Access, "Test Go_I_Th");
Register_Routine (T, Test_Move'Access, "Test Move");
Register_Routine (T, Test_Start'Access, "Test Start");
Register_Routine (T, Test_Put_Front'Access, "Test Put_Front");
Register_Routine (T, Test_Put_Left'Access, "Test Put_Left");
Register_Routine (T, Test_Put_Right'Access, "Test Put_Right");
Register_Routine (T, Test_Replace'Access, "Test Replace");
Register_Routine (T, Test_Remove'Access, "Test Remove");
Register_Routine (T, Test_Remove_Left'Access, "Test Remove_Left");
Register_Routine (T, Test_Remove_Right'Access, "Test Remove_Right");
Register_Routine (T, Test_Wipe_Out'Access, "Test Wipe_Out");
end Register_Tests;
-- Identifier of test case:
function Name (T : Test_Case) return String_Access is
begin
return new String'("Test_Lists");
end Name;
end Test_Lists;
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