eZ\Publish\Core\Repository\Tests\Values\Content\ContentTest::testObjectProperties PHP Method

    public function testObjectProperties()
    {
        $object = new Content(array('internalFields' => array()));
        $properties = $object->attributes();
        self::assertNotContains('internalFields', $properties, 'Internal property found ');
        self::assertContains('id', $properties, 'Property not found ');
        self::assertContains('fields', $properties, 'Property not found ');
        self::assertContains('versionInfo', $properties, 'Property not found ');
        self::assertContains('contentInfo', $properties, 'Property not found ');
        // check for duplicates and double check existence of property
        $propertiesHash = array();
        foreach ($properties as $property) {
            if (isset($propertiesHash[$property])) {
                self::fail("Property '{$property}' exists several times in properties list");
            } elseif (!isset($object->{$property})) {
                self::fail("Property '{$property}' does not exist on object, even though it was hinted to be there");
            }
            $propertiesHash[$property] = 1;
        }
    }