samdark\sitemap\tests\SitemapTest::testPriorityValidation PHP Method

    public function testPriorityValidation()
    {
        $fileName = __DIR__ . '/sitemap.xml';
        $sitemap = new Sitemap($fileName);
        $exceptionCaught = false;
        try {
            $sitemap->addItem('http://example.com/mylink1');
            $sitemap->addItem('http://example.com/mylink2', time(), 'always', 2.0);
        } catch (\InvalidArgumentException $e) {
            $exceptionCaught = true;
        }
        unlink($fileName);
        $this->assertTrue($exceptionCaught, 'Expected InvalidArgumentException wasn\'t thrown.');
    }