--- /dev/null
+<?php
+
+namespace Drupal\FunctionalTests\Installer;
+
+/**
+ * Tests the installer with empty settings file.
+ *
+ * @group Installer
+ */
+class InstallerEmptySettingsTest extends InstallerTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function prepareEnvironment() {
+ parent::prepareEnvironment();
+ // Create an empty settings.php file.
+ $path = $this->root . DIRECTORY_SEPARATOR . $this->siteDirectory;
+ file_put_contents($path . '/settings.php', '');
+ }
+
+ /**
+ * Verifies that installation succeeded.
+ */
+ public function testInstaller() {
+ $this->assertUrl('user/1');
+ $this->assertResponse(200);
+ }
+
+}