{
  Solutions to the Advent Of Code.
  Copyright (C) 2023  Stefan Müller

  This program is free software: you can redistribute it and/or modify it under
  the terms of the GNU General Public License as published by the Free Software
  Foundation, either version 3 of the License, or (at your option) any later
  version.

  This program is distributed in the hope that it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

  You should have received a copy of the GNU General Public License along with
  this program.  If not, see <http://www.gnu.org/licenses/>.
}

unit UPipeMazeTestCases;

{$mode ObjFPC}{$H+}

interface

uses
  Classes, SysUtils, fpcunit, testregistry, USolver, UBaseTestCases, UPipeMaze;

type

  { TPipeMazeFullDataTestCase }

  TPipeMazeFullDataTestCase = class(TEngineBaseTest)
  protected
    function CreateSolver: ISolver; override;
  published
    procedure TestPart1;
    procedure TestPart2;
  end;

  { TPipeMazeExampleTestCase }

  TPipeMazeExampleTestCase = class(TExampleEngineBaseTest)
  protected
    function CreateSolver: ISolver; override;
  published
    procedure TestPart1;
  end;

  { TExample2PipeMaze }

  TExample2PipeMaze = class(TPipeMaze)
    function GetDataFileName: string; override;
  end;

  { TPipeMazeExample2TestCase }

  TPipeMazeExample2TestCase = class(TExampleEngineBaseTest)
  protected
    function CreateSolver: ISolver; override;
  published
    procedure TestPart1;
  end;

  { TExample3PipeMaze }

  TExample3PipeMaze = class(TPipeMaze)
    function GetDataFileName: string; override;
  end;

  { TPipeMazeExample3TestCase }

  TPipeMazeExample3TestCase = class(TExampleEngineBaseTest)
  protected
    function CreateSolver: ISolver; override;
  published
    procedure TestPart1;
  end;

  { TExample4PipeMaze }

  TExample4PipeMaze = class(TPipeMaze)
    function GetDataFileName: string; override;
  end;

  { TPipeMazeExample4TestCase }

  TPipeMazeExample4TestCase = class(TExampleEngineBaseTest)
  protected
    function CreateSolver: ISolver; override;
  published
    procedure TestPart1;
  end;

implementation

{ TPipeMazeFullDataTestCase }

function TPipeMazeFullDataTestCase.CreateSolver: ISolver;
begin
  Result := TPipeMaze.Create;
end;

procedure TPipeMazeFullDataTestCase.TestPart1;
begin
  AssertEquals(7097, FSolver.GetResultPart1);
end;

procedure TPipeMazeFullDataTestCase.TestPart2;
begin
  AssertEquals(-1, FSolver.GetResultPart2);
end;

{ TPipeMazeExampleTestCase }

function TPipeMazeExampleTestCase.CreateSolver: ISolver;
begin
  Result := TPipeMaze.Create;
end;

procedure TPipeMazeExampleTestCase.TestPart1;
begin
  AssertEquals(4, FSolver.GetResultPart1);
end;

{ TExample2PipeMaze }

function TExample2PipeMaze.GetDataFileName: string;
begin
  Result := 'pipe_maze2.txt';
end;

{ TPipeMazeExample2TestCase }

function TPipeMazeExample2TestCase.CreateSolver: ISolver;
begin
  Result := TExample2PipeMaze.Create;
end;

procedure TPipeMazeExample2TestCase.TestPart1;
begin
  AssertEquals(4, FSolver.GetResultPart1);
end;

{ TExample3PipeMaze }

function TExample3PipeMaze.GetDataFileName: string;
begin
  Result := 'pipe_maze3.txt';
end;

{ TPipeMazeExample3TestCase }

function TPipeMazeExample3TestCase.CreateSolver: ISolver;
begin
  Result := TExample3PipeMaze.Create;
end;

procedure TPipeMazeExample3TestCase.TestPart1;
begin
  AssertEquals(8, FSolver.GetResultPart1);
end;

{ TExample4PipeMaze }

function TExample4PipeMaze.GetDataFileName: string;
begin
  Result := 'pipe_maze4.txt';
end;

{ TPipeMazeExample4TestCase }

function TPipeMazeExample4TestCase.CreateSolver: ISolver;
begin
  Result := TExample4PipeMaze.Create;
end;

procedure TPipeMazeExample4TestCase.TestPart1;
begin
  AssertEquals(8, FSolver.GetResultPart1);
end;

initialization

  RegisterTest(TPipeMazeFullDataTestCase);
  RegisterTest(TPipeMazeExampleTestCase);
  RegisterTest(TPipeMazeExample2TestCase);
  RegisterTest(TPipeMazeExample3TestCase);
  RegisterTest(TPipeMazeExample4TestCase);
end.