public void Die_RollDie_ValueShouldBeInSixSidedDieRange()
{
// Arrange
var die = new Die();
// This is not deterministic, but for 100 rolls, the result should be in the correct range all the time
for (int i = 0; i < 100; i++)
{
// Act
var rollResult = die.Roll();
// Assert
die.Value.Should().BeInRange(1, 6);
die.Value.Should().Be(rollResult);
}
}
public void Die_RollDie_ValueFrequencyShouldBeRelativelyEvenlyDistributed()
{
// Arrange
var die = new Die();
var rolls = new int[7] { 0, 0, 0, 0, 0, 0, 0 };
// This is not completely deterministic, but given 100 rolls, each valid value (1, 2, 3, 4, 5, 6) should happen at least 5 times each
for (int i = 0; i < 100; i++)
{
// Act
rolls[die.Roll()]++;
}
// Assert
rolls[0].Should().Be(0);
for (int i = 1; i <= 6; i++)
{
rolls[i].Should().BeGreaterOrEqualTo(5);
}
}