/** * */ public function testLCM() { $this->assertEquals(2, Utils::lcm(1, 2)); $this->assertEquals(-2, Utils::lcm(-1, 2)); $this->assertEquals(-2, Utils::lcm(1, -2)); $this->assertEquals(2, Utils::lcm(-1, -2)); $this->assertEquals(28, Utils::lcm(4, 7)); $this->assertEquals(8, Utils::lcm(4, 8)); }