public function testIsValid() { $so = new \PaulJulio\SettingsIni\SettingsSO(); $this->assertFalse($so->isValid()); $sor = new ReflectionClass($so); $sorp = $sor->getProperty('settingsFileNames'); $sorp->setAccessible(true); $sorp->setValue($so, [__FILE__]); $this->assertTrue($so->isValid()); $sorp->setValue($so, [__FILE__, __DIR__ . DIRECTORY_SEPARATOR . 'fileNotFound.txt']); $this->assertFalse($so->isValid()); }