public void Should_allow_knock_down_10_pins_as_max()
{
// Arrange
var scorer = new Scorer();
// Act && assert
scorer.Invoking(s => s.Roll(11)).ShouldThrow<ArgumentException>()
.And.Message.Should().Be("Max number of available pins is 10");
}
public void Should_allow_addtional_20Th_roll_if_there_are_strike_in_the_last_frame_and_one_strike_before()
{
// Arrange
var scorer = new Scorer();
// Act
scorer.Roll(10);
for (int i = 0; i < 17; i++)
{
scorer.Roll(0);
}
scorer.Roll(10);
scorer.Roll(0);
// Assert
scorer.Invoking(s => s.Roll(1)).ShouldThrow<MaxNumberOfRollsExceededException>();
}
public void Should_allow_only_19_rolls_if_strike_is_not_in_the_last_frame()
{
// Arrange
var scorer = new Scorer();
// Act
scorer.Roll(10);
for (int i = 0; i < 18; i++)
{
scorer.Roll(2);
}
// Assert
scorer.Invoking(r => r.Roll(1)).ShouldThrow<MaxNumberOfRollsExceededException>();
}
public void Should_not_allow_to_knock_down_negative_number_of_pins()
{
// Arrange
var scorer = new Scorer();
// Act && Assert
scorer.Invoking(s => s.Roll(-1)).ShouldThrow<ArgumentException>()
.And.Message.Should().Be("Number of pins cannot be negative");
}
public void Should_allow_only_20_rolls()
{
// Arrange
var scorer = new Scorer();
// Act
for (int i = 0; i < 20; i++)
{
scorer.Roll(1);
}
// Assert
scorer.Invoking(s => s.Roll(1)).ShouldThrow<MaxNumberOfRollsExceededException>("sdf")
.And.Message.Should().Be("Maximum number of rolls exceeded", "Message should be meaningful");
}
