--- /dev/null
+<?php
+
+namespace Drupal\Tests\system\Functional\Update;
+
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Tests that a module implementing hook_update_8000() causes an error to be
+ * displayed on update.
+ *
+ * @group Update
+ */
+class InvalidUpdateHookTest extends BrowserTestBase {
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['update_test_invalid_hook', 'update_script_test', 'dblog'];
+
+ /**
+ * URL for the upgrade script.
+ *
+ * @var string
+ */
+ private $updateUrl;
+
+ /**
+ * A user account with upgrade permission.
+ *
+ * @var \Drupal\user\UserInterface
+ */
+ private $updateUser;
+
+ protected function setUp() {
+ parent::setUp();
+ require_once \Drupal::root() . '/core/includes/update.inc';
+
+ $this->updateUrl = $GLOBALS['base_url'] . '/update.php';
+ $this->updateUser = $this->drupalCreateUser(['administer software updates']);
+ }
+
+ public function testInvalidUpdateHook() {
+ // Confirm that a module with hook_update_8000() cannot be updated.
+ $this->drupalLogin($this->updateUser);
+ $this->drupalGet($this->updateUrl);
+ $this->clickLink(t('Continue'));
+ $this->assertText(t('Some of the pending updates cannot be applied because their dependencies were not met.'));
+ }
+
+}