PhpOffice\PhpPresentation\Tests\Writer\PowerPoint2007Test::testZoom PHP Method

    public function testZoom()
    {
        $oPhpPresentation = new PhpPresentation();
        $pres = TestHelperDOCX::getDocument($oPhpPresentation, 'PowerPoint2007');
        $this->assertTrue($pres->elementExists('/p:viewPr/p:slideViewPr/p:cSldViewPr/p:cViewPr/p:scale/a:sx', 'ppt/viewProps.xml'));
        $this->assertEquals('100', $pres->getElementAttribute('/p:viewPr/p:slideViewPr/p:cSldViewPr/p:cViewPr/p:scale/a:sx', 'n', 'ppt/viewProps.xml'));
        $this->assertEquals('100', $pres->getElementAttribute('/p:viewPr/p:slideViewPr/p:cSldViewPr/p:cViewPr/p:scale/a:sx', 'd', 'ppt/viewProps.xml'));
        $this->assertTrue($pres->elementExists('/p:viewPr/p:slideViewPr/p:cSldViewPr/p:cViewPr/p:scale/a:sy', 'ppt/viewProps.xml'));
        $this->assertEquals('100', $pres->getElementAttribute('/p:viewPr/p:slideViewPr/p:cSldViewPr/p:cViewPr/p:scale/a:sy', 'n', 'ppt/viewProps.xml'));
        $this->assertEquals('100', $pres->getElementAttribute('/p:viewPr/p:slideViewPr/p:cSldViewPr/p:cViewPr/p:scale/a:sy', 'd', 'ppt/viewProps.xml'));
        $value = rand(1, 100);
        $oPhpPresentation->getPresentationProperties()->setZoom($value);
        $pres = TestHelperDOCX::getDocument($oPhpPresentation, 'PowerPoint2007');
        $this->assertTrue($pres->elementExists('/p:viewPr/p:slideViewPr/p:cSldViewPr/p:cViewPr/p:scale/a:sx', 'ppt/viewProps.xml'));
        $this->assertEquals($value * 100, $pres->getElementAttribute('/p:viewPr/p:slideViewPr/p:cSldViewPr/p:cViewPr/p:scale/a:sx', 'n', 'ppt/viewProps.xml'));
        $this->assertEquals('100', $pres->getElementAttribute('/p:viewPr/p:slideViewPr/p:cSldViewPr/p:cViewPr/p:scale/a:sx', 'd', 'ppt/viewProps.xml'));
        $this->assertTrue($pres->elementExists('/p:viewPr/p:slideViewPr/p:cSldViewPr/p:cViewPr/p:scale/a:sy', 'ppt/viewProps.xml'));
        $this->assertEquals($value * 100, $pres->getElementAttribute('/p:viewPr/p:slideViewPr/p:cSldViewPr/p:cViewPr/p:scale/a:sy', 'n', 'ppt/viewProps.xml'));
        $this->assertEquals('100', $pres->getElementAttribute('/p:viewPr/p:slideViewPr/p:cSldViewPr/p:cViewPr/p:scale/a:sy', 'd', 'ppt/viewProps.xml'));
    }