public void SquareLabyrinthFillMatrixTest()
{
var charGeneratorMock = new Mock <IRandomCharProvider>();
bool isFilled = false;
charGeneratorMock.Setup(
x => x.GetRandomSymbol(It.IsAny <int>())).Callback(
() => { isFilled = true; });
var squareLabyrinth = new SquareLabyrinth();
squareLabyrinth.FillMatrix(charGeneratorMock.Object);
Assert.IsTrue(isFilled, "Pentagon labyrinth matrix should be filled.");
}
