/**
  * Test create new instance
  */
 public function testConstruct()
 {
     $object = new DocumentLayout();
     $this->assertEquals('screen4x3', $object->getDocumentLayout());
     $this->assertEquals(9144000, $object->getCX());
     $this->assertEquals(6858000, $object->getCY());
     $this->assertEquals(9144000 / 36000, $object->getLayoutXmilli());
     $this->assertEquals(6858000 / 36000, $object->getLayoutYmilli());
 }
 public function testCX()
 {
     $value = rand(1, 100000);
     $object = new DocumentLayout();
     $this->assertInstanceOf('PhpOffice\\PhpPowerpoint\\DocumentLayout', $object->setCX($value));
     $this->assertEquals($value, $object->getCX());
     $this->assertInstanceOf('PhpOffice\\PhpPowerpoint\\DocumentLayout', $object->setCX($value, DocumentLayout::UNIT_CENTIMETER));
     $this->assertEquals($value, $object->getCX(DocumentLayout::UNIT_CENTIMETER));
     $this->assertInstanceOf('PhpOffice\\PhpPowerpoint\\DocumentLayout', $object->setCX($value, DocumentLayout::UNIT_EMU));
     $this->assertEquals($value, $object->getCX(DocumentLayout::UNIT_EMU));
     $this->assertInstanceOf('PhpOffice\\PhpPowerpoint\\DocumentLayout', $object->setCX($value, DocumentLayout::UNIT_INCH));
     $this->assertEquals($value, $object->getCX(DocumentLayout::UNIT_INCH));
     $this->assertInstanceOf('PhpOffice\\PhpPowerpoint\\DocumentLayout', $object->setCX($value, DocumentLayout::UNIT_MILLIMETER));
     $this->assertEquals($value, $object->getCX(DocumentLayout::UNIT_MILLIMETER));
     $this->assertEquals($value, $object->getLayoutXmilli());
     $this->assertInstanceOf('PhpOffice\\PhpPowerpoint\\DocumentLayout', $object->setCX($value, DocumentLayout::UNIT_POINT));
     $this->assertEquals($value, $object->getCX(DocumentLayout::UNIT_POINT));
     $this->assertInstanceOf('PhpOffice\\PhpPowerpoint\\DocumentLayout', $object->setCX($value, DocumentLayout::UNIT_PIXEL));
     $this->assertEquals($value, $object->getCX(DocumentLayout::UNIT_PIXEL));
     $this->assertInstanceOf('PhpOffice\\PhpPowerpoint\\DocumentLayout', $object->setLayoutXmilli($value));
     $this->assertEquals($value, $object->getCX(DocumentLayout::UNIT_MILLIMETER));
     $this->assertEquals($value, $object->getLayoutXmilli());
 }