public function testTotalSurfaceArea()
 {
     $wrapCalculator = new WrapCalculator();
     $box = new Box();
     $box->setHeight(2);
     $box->setWidth(3);
     $box->setLength(4);
     $this->assertEquals(58, $wrapCalculator->getTotalSurfaceArea($box));
 }
 public function testTotalSurfaceArea()
 {
     $box = new Box();
     $box->setHeight(2);
     $box->setWidth(3);
     $box->setLength(4);
     $this->assertEquals(52, $box->getTotalSurfaceArea());
     $this->assertEquals(6, $box->getSurfaceAreaOfSmallestSide());
 }