--- /dev/null
+<?php
+
+namespace Drupal\Tests\system\Functional\System;
+
+use Drupal\Component\Render\FormattableMarkup;
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Tests front page functionality and administration.
+ *
+ * @group system
+ */
+class FrontPageTest extends BrowserTestBase {
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['node', 'system_test', 'views'];
+
+ /**
+ * The path to a node that is created for testing.
+ *
+ * @var string
+ */
+ protected $nodePath;
+
+ protected function setUp() {
+ parent::setUp();
+
+ // Create admin user, log in admin user, and create one node.
+ $this->drupalLogin($this->drupalCreateUser([
+ 'access content',
+ 'administer site configuration',
+ ]));
+ $this->drupalCreateContentType(['type' => 'page']);
+ $this->nodePath = "node/" . $this->drupalCreateNode(['promote' => 1])->id();
+
+ // Configure 'node' as front page.
+ $this->config('system.site')->set('page.front', '/node')->save();
+ // Enable front page logging in system_test.module.
+ \Drupal::state()->set('system_test.front_page_output', 1);
+ }
+
+ /**
+ * Test front page functionality.
+ */
+ public function testDrupalFrontPage() {
+ // Create a promoted node to test the <title> tag on the front page view.
+ $settings = [
+ 'title' => $this->randomMachineName(8),
+ 'promote' => 1,
+ ];
+ $this->drupalCreateNode($settings);
+ $this->drupalGet('');
+ $this->assertTitle('Home | Drupal');
+
+ $this->assertText(t('On front page.'), 'Path is the front page.');
+ $this->drupalGet('node');
+ $this->assertText(t('On front page.'), 'Path is the front page.');
+ $this->drupalGet($this->nodePath);
+ $this->assertNoText(t('On front page.'), 'Path is not the front page.');
+
+ // Change the front page to an invalid path.
+ $edit = ['site_frontpage' => '/kittens'];
+ $this->drupalPostForm('admin/config/system/site-information', $edit, t('Save configuration'));
+ $this->assertText(t("Either the path '@path' is invalid or you do not have access to it.", ['@path' => $edit['site_frontpage']]));
+
+ // Change the front page to a path without a starting slash.
+ $edit = ['site_frontpage' => $this->nodePath];
+ $this->drupalPostForm('admin/config/system/site-information', $edit, t('Save configuration'));
+ $this->assertRaw(new FormattableMarkup("The path '%path' has to start with a slash.", ['%path' => $edit['site_frontpage']]));
+
+ // Change the front page to a valid path.
+ $edit['site_frontpage'] = '/' . $this->nodePath;
+ $this->drupalPostForm('admin/config/system/site-information', $edit, t('Save configuration'));
+ $this->assertText(t('The configuration options have been saved.'), 'The front page path has been saved.');
+
+ $this->drupalGet('');
+ $this->assertText(t('On front page.'), 'Path is the front page.');
+ $this->drupalGet('node');
+ $this->assertNoText(t('On front page.'), 'Path is not the front page.');
+ $this->drupalGet($this->nodePath);
+ $this->assertText(t('On front page.'), 'Path is the front page.');
+ }
+
+}