diff --git a/core/lib/Drupal/Core/Extension/ExtensionNameLengthException.php b/core/lib/Drupal/Core/Extension/ExtensionNameLengthException.php
new file mode 100644
index 0000000..1968cab
--- /dev/null
+++ b/core/lib/Drupal/Core/Extension/ExtensionNameLengthException.php
@@ -0,0 +1,13 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Core\Extension\ExtensionNameLengthException.
+ */
+
+namespace Drupal\Core\Extension;
+
+/**
+ * Exception thrown when the extension's name length exceeds the allowed maximum.
+ */
+class ExtensionNameLengthException extends \Exception { }
\ No newline at end of file
diff --git a/core/modules/system/lib/Drupal/system/Tests/Module/ModuleEnable.php b/core/modules/system/lib/Drupal/system/Tests/Module/ModuleEnable.php
index c462d24..427f86f 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Module/ModuleEnable.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Module/ModuleEnable.php
@@ -7,8 +7,8 @@
 
 namespace Drupal\system\Tests\Module;
 
+use Drupal\Core\Extension\ExtensionNameLengthException;
 use Drupal\simpletest\WebTestBase;
-use Drupal\Core\Extension\ExtensionNameMaxLength;
 
 /**
  * Tests module_enable().
diff --git a/core/modules/system/system.install b/core/modules/system/system.install
index 5c66273..6efc1ea 100644
--- a/core/modules/system/system.install
+++ b/core/modules/system/system.install
@@ -2197,7 +2197,7 @@ function system_update_8056() {
  *
  * @see system_update_8048()
  */
-function system_update_8056() {
+function system_update_8057() {
   if (db_field_exists('menu_links', 'module')) {
     $spec = array(
       'description' => 'The name of the module that generated this link.',
diff --git a/core/modules/system/tests/modules/invalid_module_name_over_the_maximum_allowed_character_length/invalid_module_name_over_the_maximum_allowed_character_length.info.yml b/core/modules/system/tests/modules/invalid_module_name_over_the_maximum_allowed_character_length/invalid_module_name_over_the_maximum_allowed_character_length.info.yml
new file mode 100644
index 0000000..16d9c78
--- /dev/null
+++ b/core/modules/system/tests/modules/invalid_module_name_over_the_maximum_allowed_character_length/invalid_module_name_over_the_maximum_allowed_character_length.info.yml
@@ -0,0 +1,7 @@
+name: 'Module name length test'
+type: module
+description: 'Test module with a name over the maximum allowed characters.'
+package: Testing
+version: VERSION
+core: 8.x
+hidden: TRUE
diff --git a/core/modules/system/tests/modules/invalid_module_name_over_the_maximum_allowed_character_length/invalid_module_name_over_the_maximum_allowed_character_length.module b/core/modules/system/tests/modules/invalid_module_name_over_the_maximum_allowed_character_length/invalid_module_name_over_the_maximum_allowed_character_length.module
new file mode 100644
index 0000000..d0dc049
--- /dev/null
+++ b/core/modules/system/tests/modules/invalid_module_name_over_the_maximum_allowed_character_length/invalid_module_name_over_the_maximum_allowed_character_length.module
@@ -0,0 +1,8 @@
+<?php
+
+/**
+ * @file
+ * Module with a module name over the maximum allowed number of characters.
+ *
+ * @see DRUPAL_MODULE_NAME_MAX_LENGTH
+ */