diff --git a/core/modules/user/lib/Drupal/user/Tests/UserLoginTest.php b/core/modules/user/lib/Drupal/user/Tests/UserLoginTest.php
index 36c5f47..cc9994c 100644
--- a/core/modules/user/lib/Drupal/user/Tests/UserLoginTest.php
+++ b/core/modules/user/lib/Drupal/user/Tests/UserLoginTest.php
@@ -23,6 +23,45 @@ public static function getInfo() {
   }
 
   /**
+   * Test creating a user with long password.
+   */
+  function testPasswordLength() {
+    $password_lengths = array(128, 129);
+    
+    foreach ($password_lengths as $password_length) {
+      $test_name = $this->randomName();
+      $test_pass = user_password($password_length);
+ 
+      // Create the base user, based on drupalCreateUser().
+      $account = entity_create('user', array(
+        'name' => $test_name,
+        'mail' => $test_name . '@example.com',
+        'pass' => $test_pass,
+        'status' => 1,
+      ));
+      $account->save();
+
+      $auth = array(
+        'name' => $account->name,
+        'pass' => $test_pass,
+      );
+
+      $this->drupalPost('user/login', $auth, t('Log in'));
+
+      if ($password_length === 128) {
+        $this->assertNoText(t('User login'), 'Logged in with 127 character length password.');
+        $this->assertPattern('!<label.*?' . t('Member for') . '.*?</label>!', 'Redirected to /user');
+        $this->drupalLogout();
+      }
+      
+      if ($password_length === 129) {
+        $this->assertText(t('Log in'), 'Couldn\'t log in with 255 character long password.');
+        $this->assertText('Password cannot be longer than', 'Error message appeared.');
+      }
+    }
+  }
+
+  /**
    * Test the global login flood control.
    */
   function testGlobalLoginFloodControl() {