MathPHP\Probability\CombinatoricsTest::testLahNumberExceptionNLessThanK PHP Method

    public function testLahNumberExceptionNLessThanK()
    {
        $this->setExpectedException('MathPHP\\Exception\\OutOfBoundsException');
        $k = 4;
        $n = 2;
        Combinatorics::lahNumber($n, $k);
    }