--- /dev/null
+<?php
+
+class JsonContentHandlerTest extends MediaWikiTestCase {
+
+ /**
+ * @covers JsonContentHandler::makeEmptyContent
+ */
+ public function testMakeEmptyContent() {
+ $handler = new JsonContentHandler();
+ $content = $handler->makeEmptyContent();
+ $this->assertInstanceOf( JsonContent::class, $content );
+ $this->assertTrue( $content->isValid() );
+ }
+}