public function testFactorial()
{
$this->assertEquals(5 * 4 * 3 * 2, Math::factorial(5));
$this->assertEquals(Math::factorial(8) * 9, Math::factorial(9));
}
/**
* @covers h4kuna\Math::factorial
* @todo Implement testFactorial().
*/
public function testFactorial()
{
$this->assertSame(120, Math::factorial(5));
$this->setExpectedException('h4kuna\\DataType\\InvalidArgumentsException');
Math::factorial(-1);
}
public function testFactorialWeak()
{
$this->assertEquals(4 * 3 * 2, Math::factorial("4"));
}
