/** * @covers NumbersPHP\Statistic::randomSample */ public function testRandomSample() { $lower = 5; $upper = 100; $samples = 5; $result = \NumbersPHP\Statistic::randomSample($lower, $upper, $samples); $this->assertEquals($samples, count($result)); foreach ($result as $number) { $this->assertFalse($number < $lower || $number > $upper); } }