Connect4/Model/Tests/ModelTests/FilledBoardTests.swift

import XCTest
@testable import Model

final class FilledBoardTests: XCTestCase {
    private var board: Board!
    
    override func setUp() {
        super.setUp()
        
        guard var board = Board(columns: 5, rows: 6) else {
            XCTFail()
            return
        }
        
        for row in 0..<board.rows {
            for col in 0..<board.columns {
                board[col, row] = if (row & 1) == 1 {
                    .Player1
                } else {
                    .Player2
                }
            }
        }
        
        self.board = board
    }
    
    func testInsertFailTopNoPush() {
        let before = board[2, 0]
        XCTAssertFalse(board.insert(piece: .Player1, side: .Top, offset: 2))
        XCTAssertEqual(before, board[2, 0])
    }
    
    func testInsertFailBottomNoPush() {
        let before = board[2, board.rows - 1]
        XCTAssertFalse(board.insert(piece: .Player2, side: .Bottom, offset: 2))
        XCTAssertEqual(before, board[2, board.rows - 1])
    }
    
    func testInsertFailLeftNoPush() {
        let before = board[2, 0]
        XCTAssertFalse(board.insert(piece: .Player1, side: .Left, offset: 2))
        XCTAssertEqual(before, board[0, 2])
    }
    
    func testInsertFailRightNoPush() {
        let before = board[board.columns - 1, 2]
        XCTAssertFalse(board.insert(piece: .Player2, side: .Right, offset: 2))
        XCTAssertEqual(before, board[board.columns - 1, 2])
    }
    
    // TODO Test shifting
}