{
  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 UHotSpringsTestCases;

{$mode ObjFPC}{$H+}

interface

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

type

  { THotSpringsFullDataTestCase }

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

  { THotSpringsExampleTestCase }

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

  { THotSpringsTestCase }

  THotSpringsTestCase = class(TSolverTestCase)
  protected
    function CreateSolver: ISolver; override;
    procedure TestSingleLine(const ALine: string; const AValue: Integer);
  published
    procedure TestExampleLine1;
    procedure TestExampleLine2;
    procedure TestExampleLine3;
    procedure TestExampleLine4;
    procedure TestExampleLine5;
    procedure TestExampleLine6;
  end;

implementation

{ THotSpringsFullDataTestCase }

function THotSpringsFullDataTestCase.CreateSolver: ISolver;
begin
  Result := THotSprings.Create;
end;

procedure THotSpringsFullDataTestCase.TestPart1;
begin
  AssertEquals(7344, FSolver.GetResultPart1);
end;

{ THotSpringsExampleTestCase }

function THotSpringsExampleTestCase.CreateSolver: ISolver;
begin
  Result := THotSprings.Create;
end;

procedure THotSpringsExampleTestCase.TestPart1;
begin
  AssertEquals(21, FSolver.GetResultPart1);
end;

{ THotSpringsTestCase }

function THotSpringsTestCase.CreateSolver: ISolver;
begin
  Result := THotSprings.Create;
end;

procedure THotSpringsTestCase.TestSingleLine(const ALine: string; const AValue: Integer);
begin
  FSolver.Init;
  FSolver.ProcessDataLine(ALine);
  FSolver.Finish;
  AssertEquals(AValue, FSolver.GetResultPart1);
end;

procedure THotSpringsTestCase.TestExampleLine1;
begin
  TestSingleLine('???.### 1,1,3', 1);
end;

procedure THotSpringsTestCase.TestExampleLine2;
begin
  TestSingleLine('.??..??...?##. 1,1,3', 4);
end;

procedure THotSpringsTestCase.TestExampleLine3;
begin
  TestSingleLine('?#?#?#?#?#?#?#? 1,3,1,6', 1);
end;

procedure THotSpringsTestCase.TestExampleLine4;
begin
  TestSingleLine('????.#...#... 4,1,1', 1);
end;

procedure THotSpringsTestCase.TestExampleLine5;
begin
  TestSingleLine('????.######..#####. 1,6,5', 4);
end;

procedure THotSpringsTestCase.TestExampleLine6;
begin
  TestSingleLine('?###???????? 3,2,1', 10);
end;

initialization

  RegisterTest('THotSprings', THotSpringsFullDataTestCase);
  RegisterTest('THotSprings', THotSpringsExampleTestCase);
  RegisterTest('THotSprings', THotSpringsTestCase);
end.