public void AmountErasedShouldNotExceedEraserDurability(int wordLength)
{
var sut = new Pencil();
var word = new string('a', wordLength);
var result = sut.BuildWordForErasing(word);
int whiteSpaceCount = 0;
foreach (var letter in result)
{
if (letter == ' ')
{
whiteSpaceCount++;
}
}
Assert.True(20000 >= whiteSpaceCount);
}
