diff --git a/core/includes/pager.inc b/core/includes/pager.inc
index 80971a6..42ea60c 100644
--- a/core/includes/pager.inc
+++ b/core/includes/pager.inc
@@ -22,13 +22,13 @@
  *   displays the third page of search results at that URL.
  *
  * @deprecated as of Drupal 8.3.x, will be removed before Drupal 9.0.0.
- *   Use \Drupal::service('pager.factory')->get($element)->getCurrentPage()
+ *   Use \Drupal::service('pager.factory')->findCurrentPage($element)
  *   instead.
  *
- * @see \Drupal\Core\Pager\PagerInterface::init()
+ * @see \Drupal\Core\Pager\PagerFactoryInterface::findCurrentPage()
  */
 function pager_find_page($element = 0) {
-  return \Drupal::service('pager.factory')->get($element)->getCurrentPage();
+  return \Drupal::service('pager.factory')->findCurrentPage($element);
 }
 
 /**
@@ -54,11 +54,11 @@ function pager_find_page($element = 0) {
  * The following example shows how this function can be used in a controller
  * that invokes an external datastore with an SQL-like syntax:
  * @code
- *   // First find the total number of items and initialize the pager.
+ *   // First find the total number of items and set the pager.
  *   $where = "status = 1";
  *   $total = mymodule_select("SELECT COUNT(*) FROM data " . $where)->result();
  *   $num_per_page = \Drupal::config('mymodule.settings')->get('num_per_page');
- *   $page = \Drupal::service('pager.factory')->get(0)->init($total, $num_per_page)->getCurrentPage();
+ *   $page = \Drupal::service('pager.factory')->set(0, $total, $num_per_page)->getCurrentPage();
  *
  *   // Next, retrieve the items for the current page and put them into a
  *   // render array.
@@ -78,23 +78,20 @@ function pager_find_page($element = 0) {
  * A second example involves a controller that invokes an external search
  * service where the total number of matching results is provided as part of
  * the returned set (so that we do not need a separate query in order to obtain
- * this information). Here, we call pager_find_page() to calculate the desired
- * offset before the search is invoked:
+ * this information). Here, we call PagerFactory::findCurrentPage() to
+ * calculate the desired offset before the search is invoked:
  * @code
- *   // First, get a pager for the element '0'.
- *   $pager = \Drupal::service('pager.factory')->get(0);
- *
  *   // Perform the query, using the requested offset from
- *   // $pager->getCurrentPage(). This comes from a URL parameter, so here we
- *   // are assuming that the URL parameter corresponds to an actual page of
- *   // results that will exist within the set.
- *   $page = $pager->getCurrentPage();
+ *   // PagerFactory::findCurrentPage(). This comes from a URL parameter, so
+ *   // here we are assuming that the URL parameter corresponds to an actual
+ *   // page of results that will exist within the set.
+ *   $page = \Drupal::service('pager.factory')->findCurrentPage(0);
  *   $num_per_page = \Drupal::config('mymodule.settings')->get('num_per_page');
  *   $offset = $num_per_page * $page;
  *   $result = mymodule_remote_search($keywords, $offset, $num_per_page);
  *
- *   // Now that we have the total number of results, initialize the pager.
- *   $pager->init($result->total, $num_per_page);
+ *   // Now that we have the total number of results, set the pager.
+ *   \Drupal::service('pager.factory')->set(0, $result->total, $num_per_page);
  *
  *   // Create a render array with the search results.
  *   $render = [];
@@ -125,13 +122,13 @@ function pager_find_page($element = 0) {
  *   result set.
  *
  * @deprecated as of Drupal 8.3.x, will be removed before Drupal 9.0.0.
- *   Use \Drupal::service('pager.factory')->get($element)->init($total, $limit)
- *   to initialize the pager, and
+ *   Use \Drupal::service('pager.factory')->set($element, $total, $limit)
+ *   to set the pager, and
  *   \Drupal::service('pager.factory')->get($element)->getCurrentPage() to
  *   retrieve the current page.
  */
 function pager_default_initialize($total, $limit, $element = 0) {
-  return \Drupal::service('pager.factory')->get($element)->init($total, $limit)->getCurrentPage();
+  return \Drupal::service('pager.factory')->set($element, $total, $limit)->getCurrentPage();
 }
 
 /**
@@ -179,11 +176,11 @@ function template_preprocess_pager(&$variables) {
   $route_name = $variables['pager']['#route_name'];
   $route_parameters = isset($variables['pager']['#route_parameters']) ? $variables['pager']['#route_parameters'] : [];
 
-  // Prepare the pager object.
+  // Get the pager object.
   $pager = \Drupal::service('pager.factory')->get($element);
 
   // Nothing to do if there is only one page.
-  if ($pager->getTotalPages() <= 1) {
+  if ($pager === NULL || $pager->getTotalPages() <= 1) {
     return;
   }
 
diff --git a/core/lib/Drupal/Core/Pager/Pager.php b/core/lib/Drupal/Core/Pager/Pager.php
index 2acda0a..cc57d49 100644
--- a/core/lib/Drupal/Core/Pager/Pager.php
+++ b/core/lib/Drupal/Core/Pager/Pager.php
@@ -58,49 +58,29 @@ class Pager implements PagerInterface {
   /**
    * Constructs a new Pager object.
    *
-   * @param int $element
-   *   The pager element that uniquely identifies this pager object.
    * @param \Drupal\Core\Pager\PagerFactoryInterface $pager_factory
    *   The pager factory.
+   * @param int $element
+   *   The pager element that uniquely identifies this pager object.
+   * @param int $total
+   *   The total number of items to be paged.
+   * @param int $limit
+   *   The number of items the calling code will display per page.
    */
-  public function __construct($element, PagerFactoryInterface $pager_factory) {
-    $this->element = $element;
+  public function __construct(PagerFactoryInterface $pager_factory, $element, $total, $limit) {
     $this->factory = $pager_factory;
+    $this->element = $element;
 
     // @todo: Start of BC layer. This maps the pager properties to the global
     // pager variables of D8. When removing the global variables in D9, remove
     // the following lines.
     global $pager_page_array, $pager_total, $pager_total_items, $pager_limits;
-    if (!isset($pager_page_array[$element])) {
-      $pager_page_array[$element] = NULL;
-    }
     $this->currentPage = &$pager_page_array[$element];
-    if (!isset($pager_total[$element])) {
-      $pager_total[$element] = NULL;
-    }
     $this->totalPages = &$pager_total[$element];
-    if (!isset($pager_total_items[$element])) {
-      $pager_total_items[$element] = NULL;
-    }
     $this->totalItems = &$pager_total_items[$element];
-    if (!isset($pager_limits[$element])) {
-      $pager_limits[$element] = NULL;
-    }
     $this->limit = &$pager_limits[$element];
     // @todo: End of BC layer.
-  }
 
-  /**
-   * {@inheritdoc}
-   */
-  public function getElement() {
-    return $this->element;
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function init($total, $limit) {
     // The total number of pages to be managed by the pager is given by the
     // total number of items ($total) divided by the number of items in each
     // page ($limit). We round up to the next integer to accommodate any
@@ -110,22 +90,13 @@ public function init($total, $limit) {
       ->setTotalPages((int) ceil($this->getTotalItems() / $limit))
       ->setCurrentPage(max(0, min($this->getCurrentPage(), ((int) $this->getTotalPages() - 1))))
       ->setLimit($limit);
-    return $this;
   }
 
   /**
-   * Gets the current page (0-index), from the request query parameters.
-   *
-   * @return int
-   *   The page to which the pager is currently positioned to.
+   * {@inheritdoc}
    */
-  protected function getCurrentPageFromRequest() {
-    $page_query = $this->factory->getCurrentRequestQueryParameter($this->factory->getPagerParameterName());
-    $page_array = explode(',', $page_query);
-    if (!isset($page_array[$this->element])) {
-      $page_array[$this->element] = 0;
-    }
-    return (int) $page_array[$this->element];
+  public function getElement() {
+    return $this->element;
   }
 
   /**
@@ -133,15 +104,21 @@ protected function getCurrentPageFromRequest() {
    */
   public function getCurrentPage() {
     if (!isset($this->currentPage) || $this->currentPage === NULL) {
-      $this->setCurrentPage($this->getCurrentPageFromRequest());
+      $this->setCurrentPage($this->factory->findCurrentPage($this->getElement()));
     }
     return $this->currentPage;
   }
 
   /**
-   * {@inheritdoc}
+   * Sets the current page for this pager (0-index).
+   *
+   * @param int $page
+   *   The page to which the pager is currently positioned to.
+   *
+   * @return \Drupal\Core\Pager\PagerInterface
+   *   The Pager object.
    */
-  public function setCurrentPage($page) {
+  protected function setCurrentPage($page) {
     $this->currentPage = (int) $page;
     return $this;
   }
@@ -154,9 +131,15 @@ public function getTotalPages() {
   }
 
   /**
-   * {@inheritdoc}
+   * Sets total pages in the pager.
+   *
+   * @param int $total_pages
+   *   The total number of pages managed by the pager.
+   *
+   * @return \Drupal\Core\Pager\PagerInterface
+   *   The Pager object.
    */
-  public function setTotalPages($total_pages) {
+  protected function setTotalPages($total_pages) {
     $this->totalPages = (int) $total_pages;
     return $this;
   }
@@ -176,9 +159,15 @@ public function getTotalItems() {
   }
 
   /**
-   * {@inheritdoc}
+   * Sets total items in the pager.
+   *
+   * @param int $total_items
+   *   The total number of items (records) managed by the pager.
+   *
+   * @return \Drupal\Core\Pager\PagerInterface
+   *   The Pager object.
    */
-  public function setTotalItems($total_items) {
+  protected function setTotalItems($total_items) {
     $this->totalItems = (int) $total_items;
     return $this;
   }
@@ -191,9 +180,15 @@ public function getLimit() {
   }
 
   /**
-   * {@inheritdoc}
+   * Sets the items per page.
+   *
+   * @param int $limit
+   *   The number of items (records) in each page.
+   *
+   * @return \Drupal\Core\Pager\PagerInterface
+   *   The Pager object.
    */
-  public function setLimit($limit) {
+  protected function setLimit($limit) {
     $this->limit = (int) $limit;
     return $this;
   }
diff --git a/core/lib/Drupal/Core/Pager/PagerFactory.php b/core/lib/Drupal/Core/Pager/PagerFactory.php
index 23eb74a..ef6fb2a 100644
--- a/core/lib/Drupal/Core/Pager/PagerFactory.php
+++ b/core/lib/Drupal/Core/Pager/PagerFactory.php
@@ -39,20 +39,24 @@ public function __construct(RequestStack $request_stack) {
    *
    * @param int $element
    *   The pager element.
+   * @param int $total
+   *   The total number of items to be paged.
+   * @param int $limit
+   *   The number of items the calling code will display per page.
    *
    * @return \Drupal\Core\Pager\PagerInterface
    *   The pager object.
    */
-  protected function create($element) {
-    return new Pager($element, $this);
+  protected function create($element, $total, $limit) {
+    return new Pager($this, $element, $total, $limit);
   }
 
   /**
    * {@inheritdoc}
    */
-  public function get($element) {
+  public function set($element, $total, $limit) {
     if (!isset($this->pagers[$element])) {
-      $this->pagers[$element] = $this->create($element);
+      $this->pagers[$element] = $this->create($element, $total, $limit);
     }
     return $this->pagers[$element];
   }
@@ -60,6 +64,20 @@ public function get($element) {
   /**
    * {@inheritdoc}
    */
+  public function get($element) {
+    // @todo: BC layer. When removing the globals, remove the following and
+    // return $this->pagers directly.
+    global $pager_total, $pager_total_items, $pager_limits;
+    if (!isset($this->pagers[$element]) && isset($pager_total[$element])) {
+      $this->set($element, $pager_total_items[$element], $pager_limits[$element]);
+    }
+    // @todo: end of BC layer.
+    return isset($this->pagers[$element]) ? $this->pagers[$element] : NULL;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
   public function getFirstAvailableElement() {
     // @todo: BC layer. When removing the globals, return element from
     // max(array_keys($this->pagers)) directly.
@@ -73,12 +91,13 @@ public function getFirstAvailableElement() {
   public function all() {
     // @todo: BC layer. When removing the globals, remove the following and
     // return $this->pagers directly.
-    global $pager_total;
+    global $pager_total, $pager_total_items, $pager_limits;
     if (!empty($pager_total) && is_array($pager_total)) {
       foreach (array_keys($pager_total) as $element) {
         $this->get($element);
       }
     }
+    // @todo: end of BC layer.
     return $this->pagers;
   }
 
@@ -124,4 +143,16 @@ public function getCurrentRequestQueryParameters(array $filter = []) {
     return $query;
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function findCurrentPage($element) {
+    $page_query = $this->getCurrentRequestQueryParameter($this->getPagerParameterName());
+    $page_array = explode(',', $page_query);
+    if (!isset($page_array[$element])) {
+      $page_array[$element] = 0;
+    }
+    return (int) $page_array[$element];
+  }
+
 }
diff --git a/core/lib/Drupal/Core/Pager/PagerFactoryInterface.php b/core/lib/Drupal/Core/Pager/PagerFactoryInterface.php
index 0f1e17b..b2c8d31 100644
--- a/core/lib/Drupal/Core/Pager/PagerFactoryInterface.php
+++ b/core/lib/Drupal/Core/Pager/PagerFactoryInterface.php
@@ -8,12 +8,27 @@
 interface PagerFactoryInterface {
 
   /**
-   * Returns the pager object for the specified pager element.
+   * Sets the pager object for the specified pager element.
    *
    * The pager gets created if not already existing.
    *
    * @param int $element
    *   The pager element.
+   * @param int $total
+   *   The total number of items to be paged.
+   * @param int $limit
+   *   The number of items the calling code will display per page.
+   *
+   * @return \Drupal\Core\Pager\Pager
+   *   The pager object.
+   */
+  public function set($element, $total, $limit);
+
+  /**
+   * Returns the pager object for the specified pager element.
+   *
+   * @param int $element
+   *   The pager element.
    *
    * @return \Drupal\Core\Pager\Pager
    *   The pager object.
@@ -75,4 +90,15 @@ public function getCurrentRequestQueryParameter($parameter);
    */
   public function getCurrentRequestQueryParameters(array $filter = []);
 
+  /**
+   * Finds the current page, from the request query parameters.
+   *
+   * @param int $element
+   *   The pager element.
+   *
+   * @return int
+   *   The page (0-index) to which the pager is currently positioned to.
+   */
+  public function findCurrentPage($element);
+
 }
diff --git a/core/lib/Drupal/Core/Pager/PagerInterface.php b/core/lib/Drupal/Core/Pager/PagerInterface.php
index f29f401..73817f5 100644
--- a/core/lib/Drupal/Core/Pager/PagerInterface.php
+++ b/core/lib/Drupal/Core/Pager/PagerInterface.php
@@ -27,19 +27,6 @@
   public function getElement();
 
   /**
-   * Initializes the pager.
-   *
-   * @param int $total
-   *   The total number of items to be paged.
-   * @param int $limit
-   *   The number of items the calling code will display per page.
-   *
-   * @return \Drupal\Core\Pager\PagerInterface
-   *   The Pager object.
-   */
-  public function init($total, $limit);
-
-  /**
    * Gets the current page (0-index).
    *
    * @return int
@@ -48,17 +35,6 @@ public function init($total, $limit);
   public function getCurrentPage();
 
   /**
-   * Sets the current page for this pager (0-index).
-   *
-   * @param int $page
-   *   The page to which the pager is currently positioned to.
-   *
-   * @return \Drupal\Core\Pager\PagerInterface
-   *   The Pager object.
-   */
-  public function setCurrentPage($page);
-
-  /**
    * Gets total pages in the pager.
    *
    * @return int
@@ -67,17 +43,6 @@ public function setCurrentPage($page);
   public function getTotalPages();
 
   /**
-   * Sets total pages in the pager.
-   *
-   * @param int $total_pages
-   *   The total number of pages managed by the pager.
-   *
-   * @return \Drupal\Core\Pager\PagerInterface
-   *   The Pager object.
-   */
-  public function setTotalPages($total_pages);
-
-  /**
    * Gets last page in the pager (0-index).
    *
    * @return int
@@ -94,17 +59,6 @@ public function getLastPage();
   public function getTotalItems();
 
   /**
-   * Sets total items in the pager.
-   *
-   * @param int $total_items
-   *   The total number of items (records) managed by the pager.
-   *
-   * @return \Drupal\Core\Pager\PagerInterface
-   *   The Pager object.
-   */
-  public function setTotalItems($total_items);
-
-  /**
    * Gets the items per page.
    *
    * @return int
@@ -113,17 +67,6 @@ public function setTotalItems($total_items);
   public function getLimit();
 
   /**
-   * Sets the items per page.
-   *
-   * @param int $limit
-   *   The number of items (records) in each page.
-   *
-   * @return \Drupal\Core\Pager\PagerInterface
-   *   The Pager object.
-   */
-  public function setLimit($limit);
-
-  /**
    * Gets the query parameters for a pager URL.
    *
    * @param int $page
diff --git a/core/modules/taxonomy/src/Form/OverviewTerms.php b/core/modules/taxonomy/src/Form/OverviewTerms.php
index cdc6619..742f9a5 100644
--- a/core/modules/taxonomy/src/Form/OverviewTerms.php
+++ b/core/modules/taxonomy/src/Form/OverviewTerms.php
@@ -77,7 +77,7 @@ public function getFormId() {
   public function buildForm(array $form, FormStateInterface $form_state, VocabularyInterface $taxonomy_vocabulary = NULL) {
     // @todo Remove global variables when https://www.drupal.org/node/2044435 is
     //   in.
-    global $pager_page_array, $pager_total, $pager_total_items;
+    global $pager_page_array, $pager_total, $pager_total_items, $pager_limits;
 
     $form_state->set(['taxonomy', 'vocabulary'], $taxonomy_vocabulary);
     $parent_fields = FALSE;
@@ -173,6 +173,7 @@ public function buildForm(array $form, FormStateInterface $form_state, Vocabular
     $pager_total_items[0] = $total_entries;
     $pager_page_array[0] = $page;
     $pager_total[0] = ceil($total_entries / $page_increment);
+    $pager_limits[0] = $page_increment;
 
     // If this form was already submitted once, it's probably hit a validation
     // error. Ensure the form is rebuilt in the same order as the user
diff --git a/core/modules/views/views.theme.inc b/core/modules/views/views.theme.inc
index 4f5ee62..9fb86dd 100644
--- a/core/modules/views/views.theme.inc
+++ b/core/modules/views/views.theme.inc
@@ -1018,6 +1018,9 @@ function template_preprocess_views_mini_pager(&$variables) {
 
   // Prepare the pager object.
   $pager = \Drupal::service('pager.factory')->get($element);
+  if ($pager === NULL || $pager->getTotalPages() <= 1) {
+    return;
+  }
 
   // Current is the page we are currently paged to.
   $variables['items']['current'] = $pager->getCurrentPage() + 1;
diff --git a/core/tests/Drupal/Tests/Core/Pager/PagerFactoryTest.php b/core/tests/Drupal/Tests/Core/Pager/PagerFactoryTest.php
index 587076d..42fcba7 100644
--- a/core/tests/Drupal/Tests/Core/Pager/PagerFactoryTest.php
+++ b/core/tests/Drupal/Tests/Core/Pager/PagerFactoryTest.php
@@ -37,7 +37,7 @@ protected function setUp() {
     $pager_page_array = $pager_total = $pager_total_items = $pager_limits = NULL;
 
     $request_stack = $this->getMockBuilder(RequestStack::class)->getMock();
-    $query = new ParameterBag(['foo' => 'bar', 'qux' => 'dee']);
+    $query = new ParameterBag(['page' => '10,15', 'foo' => 'bar', 'qux' => 'dee']);
 
     $this->pagerFactory = $this
       ->getMockBuilder(PagerFactory::class)
@@ -51,13 +51,29 @@ protected function setUp() {
   }
 
   /**
+   * @covers ::set
+   */
+  public function testSet() {
+    // Set pager 0.
+    $pager = $this->pagerFactory->set(0, 100, 10);
+    // Pager element should be 0.
+    $this->assertSame(0, $pager->getElement());
+    // Set pager 2.
+    $pager = $this->pagerFactory->set(2, 200, 10);
+    // Pager element should be 2.
+    $this->assertSame(2, $pager->getElement());
+  }
+
+  /**
    * @covers ::get
    */
   public function testGet() {
     // Get pager 0.
     $pager = $this->pagerFactory->get(0);
-    // Pager element should be 0.
-    $this->assertSame(0, $pager->getElement());
+    // Pager should be NULL since not set.
+    $this->assertNull($pager);
+    // Set pager 2.
+    $this->pagerFactory->set(2, 200, 10);
     // Get pager 2.
     $pager = $this->pagerFactory->get(2);
     // Pager element should be 2.
@@ -70,12 +86,12 @@ public function testGet() {
   public function testGetFirstAvailableElement() {
     // No pagers set yet, first available element should be 0.
     $this->assertSame(0, $this->pagerFactory->getFirstAvailableElement());
-    // Get pager 0.
-    $pager = $this->pagerFactory->get(0);
+    // Set pager 0.
+    $this->pagerFactory->set(0, 100, 10);
     // Now first available element should be 1.
     $this->assertSame(1, $this->pagerFactory->getFirstAvailableElement());
-    // Get pager 4.
-    $pager = $this->pagerFactory->get(4);
+    // Set pager 4.
+    $this->pagerFactory->set(4, 400, 10);
     // Now first available element should be 5.
     $this->assertSame(5, $this->pagerFactory->getFirstAvailableElement());
   }
@@ -84,12 +100,9 @@ public function testGetFirstAvailableElement() {
    * @covers ::all
    */
   public function testAll() {
-    // Get pager 4.
-    $pager = $this->pagerFactory->get(4);
-    $this->assertSame(4, $pager->getElement());
-    // Get pager 6.
-    $pager = $this->pagerFactory->get(6);
-    $this->assertSame(6, $pager->getElement());
+    // Set pagers 4 and 6.
+    $this->pagerFactory->set(4, 400, 10);
+    $this->pagerFactory->set(6, 600, 10);
     // We should get two pagers for elements 4 and 6.
     $this->assertSame(2, count($this->pagerFactory->all()));
     $this->assertSame([4, 6], array_keys($this->pagerFactory->all()));
@@ -106,17 +119,26 @@ public function testGetPagerParameterName() {
    * @covers ::getCurrentRequestQueryParameters
    */
   public function testGetCurrentRequestQueryParameters() {
-    $this->assertSame(['foo' => 'bar', 'qux' => 'dee'], $this->pagerFactory->getCurrentRequestQueryParameters());
+    $this->assertSame(['page' => '10,15', 'foo' => 'bar', 'qux' => 'dee'], $this->pagerFactory->getCurrentRequestQueryParameters());
   }
 
   /**
    * @covers ::getCurrentRequestQueryParameter
    */
   public function testGetCurrentRequestQueryParameter() {
+    $this->assertSame('10,15', $this->pagerFactory->getCurrentRequestQueryParameter('page'));
     $this->assertSame('bar', $this->pagerFactory->getCurrentRequestQueryParameter('foo'));
     $this->assertSame('dee', $this->pagerFactory->getCurrentRequestQueryParameter('qux'));
     // Missing parameter returns empty string.
     $this->assertSame('', $this->pagerFactory->getCurrentRequestQueryParameter('zot'));
   }
 
+  /**
+   * @covers ::findCurrentPage
+   */
+  public function testFindCurrentPage() {
+    $this->assertSame(10, $this->pagerFactory->findCurrentPage(0));
+    $this->assertSame(15, $this->pagerFactory->findCurrentPage(1));
+  }
+
 }
diff --git a/core/tests/Drupal/Tests/Core/Pager/PagerTest.php b/core/tests/Drupal/Tests/Core/Pager/PagerTest.php
index aa3e77f..3dd2403 100644
--- a/core/tests/Drupal/Tests/Core/Pager/PagerTest.php
+++ b/core/tests/Drupal/Tests/Core/Pager/PagerTest.php
@@ -45,13 +45,17 @@ protected function setUp() {
     $pager_factory->expects($this->any())
       ->method('getCurrentRequestQueryParameter')
       ->will($this->returnValue(',,,,,,11'));
+    // Set page query parameter current page to 11 (0-indexed).
+    $pager_factory->expects($this->any())
+      ->method('findCurrentPage')
+      ->will($this->returnValue(11));
     // Set other dummy query parameters.
     $pager_factory->expects($this->any())
       ->method('getCurrentRequestQueryParameters')
       ->will($this->returnValue(['rec' => 'lop', 'ste' => 'cik']));
 
     // Pager for element 6.
-    $this->pager = new Pager(6, $pager_factory);
+    $this->pager = new Pager($pager_factory, 6, 513, 28);
 
     // Set factory to return the test pager via ::all().
     $pager_factory->expects($this->any())
@@ -68,53 +72,33 @@ public function testGetElement() {
   }
 
   /**
-   * @covers ::init
-   */
-  public function testInit() {
-    $this->pager->init(513, 28);
-    $this->assertSame(513, $this->pager->getTotalItems());
-    $this->assertSame(19, $this->pager->getTotalPages());
-    $this->assertSame(11, $this->pager->getCurrentPage());
-    $this->assertSame(28, $this->pager->getLimit());
-  }
-
-  /**
-   * @covers ::setCurrentPage
    * @covers ::getCurrentPage
    */
   public function testCurrentPage() {
     $this->assertSame(11, $this->pager->getCurrentPage());
-    $this->pager->setCurrentPage(200);
-    $this->assertSame(200, $this->pager->getCurrentPage());
   }
 
   /**
-   * @covers ::setTotalPages
    * @covers ::getTotalPages
    * @covers ::getLastPage
    */
   public function testTotalPages() {
-    $this->pager->setTotalPages(40);
-    $this->assertSame(40, $this->pager->getTotalPages());
-    $this->assertSame(39, $this->pager->getLastPage());
+    $this->assertSame(19, $this->pager->getTotalPages());
+    $this->assertSame(18, $this->pager->getLastPage());
   }
 
   /**
-   * @covers ::setTotalItems
    * @covers ::getTotalItems
    */
   public function testTotalItems() {
-    $this->pager->setTotalItems(600);
-    $this->assertSame(600, $this->pager->getTotalItems());
+    $this->assertSame(513, $this->pager->getTotalItems());
   }
 
   /**
-   * @covers ::setLimit
    * @covers ::getLimit
    */
   public function testLimit() {
-    $this->pager->setLimit(45);
-    $this->assertSame(45, $this->pager->getLimit());
+    $this->assertSame(28, $this->pager->getLimit());
   }
 
   /**