public void GetNthPentagonNumber_ForNIs10_ReturnsCorrectPentagonNumber()
{
// Arrange
var n = 10;
var expectedPentagonalNumber = 145;
// Act
var result = PentagonNumberHelper.GetNthPentagonalNumber(n);
// Assert
result.Should().Be(expectedPentagonalNumber);
}
public void IsPentagonNumber_ReturnsCorrectResult(int number, bool expectedResult)
{
PentagonNumberHelper.IsPentagonalNumber(number).Should().Be(expectedResult);
}
