import XCTest
@testable import Model

final class EmptyBoardTests: XCTestCase {
    private var board: Board!
    
    override func setUp() {
        super.setUp()
        
        guard let board = Board(columns: 5, rows: 6) else {
            XCTFail()
            return
        }
        
        self.board = board
    }
    
    func testWidth() throws {
        XCTAssertEqual(board.columns, 5)
    }
    
    func testHeight() throws {
        XCTAssertEqual(board.rows, 6)
    }
    
    func testEmptyByDefault() throws {
        XCTAssertNil(board[1, 1])
        let result = board.countPieces()
        XCTAssertEqual(result.a, 0)
        XCTAssertEqual(result.b, 0)
    }
    
    func testSetGet() throws {
        board[1, 1] = Piece.Player1;
        
        XCTAssertEqual(board[1, 1], .Player1)
    }
    
    func testCounts() throws {
        board[1, 2] = .Player2
        
        let counts = board.countPieces()
        XCTAssertEqual(counts.a, 0)
        XCTAssertEqual(counts.b, 1)
    }
    
    func testInsertTopNoPush() {
        XCTAssert(board.insert(piece: .Player1, side: .Top, offset: 2))
        XCTAssertEqual(board[2, 0], .Player1)
    }
    
    func testInsertBottomNoPush() {
        XCTAssert(board.insert(piece: .Player2, side: .Bottom, offset: 2))
        XCTAssertEqual(board[2, board.rows - 1], .Player2)
    }
    
    func testInsertLeftNoPush() {
        XCTAssert(board.insert(piece: .Player1, side: .Left, offset: 2))
        XCTAssertEqual(board[0, 2], .Player1)
    }
    
    func testInsertRightNoPush() {
        XCTAssert(board.insert(piece: .Player2, side: .Right, offset: 2))
        XCTAssertEqual(board[board.columns - 1, 2], .Player2)
    }
}