--- /dev/null
+<?php
+/**
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+class ContentHandlerSanityTest extends MediaWikiTestCase {
+
+ public static function provideHandlers() {
+ $models = ContentHandler::getContentModels();
+ $handlers = [];
+ foreach ( $models as $model ) {
+ $handlers[] = [ ContentHandler::getForModelID( $model ) ];
+ }
+
+ return $handlers;
+ }
+
+ /**
+ * @dataProvider provideHandlers
+ * @param ContentHandler $handler
+ */
+ public function testMakeEmptyContent( ContentHandler $handler ) {
+ $content = $handler->makeEmptyContent();
+ $this->assertInstanceOf( Content::class, $content );
+ if ( $handler instanceof TextContentHandler ) {
+ // TextContentHandler::getContentClass() is protected, so bypass
+ // that restriction
+ $testingWrapper = TestingAccessWrapper::newFromObject( $handler );
+ $this->assertInstanceOf( $testingWrapper->getContentClass(), $content );
+ }
+
+ $handlerClass = get_class( $handler );
+ $contentClass = get_class( $content );
+
+ $this->assertTrue(
+ $content->isValid(),
+ "$handlerClass::makeEmptyContent() did not return a valid content ($contentClass::isValid())"
+ );
+ }
+}