getM()); $vec = new Vector(5); self::assertCount(5, $vec->toArray()); } public function testGetSet() : void { $vec = new Vector(5); $vec->setMatrixV([1, 2, 3, 4, 5]); self::assertEquals(5, $vec->getM()); self::assertEquals(2, $vec->getV(1)); $vec->setV(3, 9); self::assertEquals(9, $vec->getV(3)); } }