public void Upshift_ShouldReturnSameGear_WhenOnFirstDrive()
{
var currentGear = new Gear(1, 5);
var result = currentGear.Downshift();
result.Should().Be(currentGear);
}
public void Downshift_ShouldNotChangeGear_WhenOnNeutralOrReverseGear(int reverseOrNeutralGear)
{
var currentGear = new Gear(reverseOrNeutralGear, 5);
var result = currentGear.Downshift();
result.Should().Be(currentGear);
}
public void Downshift_ShouldReturnPreviousGear_WhenNotOnFirstDrive()
{
var currentGear = new Gear(2, 5);
var expectedNextGear = new Gear(1, 5);
var result = currentGear.Downshift();
result.Should().Be(expectedNextGear);
}