public void RandomNumberGeneratorReturnsEmptyStringWhenAllNumbersAreCalled()
{
var sut = new BingoCaller(new Random());
for (var i = 1; i <= 75; i++)
{
sut.GetNumber();
}
Assert.AreEqual("", sut.GetNumber());
}
public void BingoCallerReturnsCorrectString(int number, string expected)
{
var sut = new BingoCaller(new FakeRandom(number));
var actual = sut.GetNumber();
Assert.AreEqual(expected, actual);
}
public void RandomNumberGeneratorReturnsAllNumbersOnlyOnce()
{
var list = new List <string>();
var sut = new BingoCaller(new Random());
for (var i = 1; i <= 75; i++)
{
list.Add(sut.GetNumber());
}
Assert.AreEqual(list.Count, list.Distinct().Count());
}
public void EachNumberIsBetween1And75()
{
var caller = new BingoCaller(new Random());
for (var i = 1; i <= 75; i++)
{
var number = caller.GetNumber();
var n = Convert.ToInt32(number.Substring(1));
Assert.LessOrEqual(1, n);
Assert.GreaterOrEqual(75, n);
}
}