diff --git a/core/modules/block/lib/Drupal/block/Tests/BlockViewAlterTest.php b/core/modules/block/lib/Drupal/block/Tests/BlockViewAlterTest.php
new file mode 100644
index 0000000..3a51645
--- /dev/null
+++ b/core/modules/block/lib/Drupal/block/Tests/BlockViewAlterTest.php
@@ -0,0 +1,51 @@
+<?php
+
+/**
+ * @file
+ * Contains Drupal\block\Tests\BlockViewAlterTest.
+ */
+
+namespace Drupal\block\Tests;
+
+use Drupal\simpletest\WebTestBase;
+
+/**
+ * Tests block HTML ID validity.
+ */
+class BlockViewAlterTest extends WebTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = array('block', 'block_test');
+
+  public static function getInfo() {
+    return array(
+      'name' => 'Block view alter hook',
+      'description' => 'Test the hook block view alter hooks.',
+      'group' => 'Block',
+    );
+  }
+
+  function setUp() {
+    parent::setUp();
+
+    $this->drupalLogin($this->root_user);
+  }
+
+  /**
+   * Tests if the view alter function is called when the block ID or machine
+   * name contains a hyphen.
+   */
+  function testHyphen() {
+    // Enable our test blocks.
+    $this->drupalPlaceBlock('test-id-hyphen', array('machine_name' => 'test-name-hyphen'));
+
+    $this->drupalGet('');
+    $this->assertText('hook_block_view_ID_alter() invoked.');
+    $this->assertText('hook_block_view_NAME_alter() invoked.');
+  }
+
+}
diff --git a/core/modules/block/tests/block_test.module b/core/modules/block/tests/block_test.module
index 6abb95f..4885e12 100644
--- a/core/modules/block/tests/block_test.module
+++ b/core/modules/block/tests/block_test.module
@@ -12,3 +12,17 @@ function block_test_system_theme_info() {
   $themes['block_test_theme'] = drupal_get_path('module', 'block_test') . '/themes/block_test_theme/block_test_theme.info.yml';
   return $themes;
 }
+
+/**
+ * Implements hook_block_view_ID_alter().
+ */
+function block_test_block_view_test_id_hyphen_alter(array &$build, Drupal\block\Plugin\Core\Entity\Block $block) {
+    $build['content']['#children'] .= 'hook_block_view_ID_alter() invoked.';
+}
+
+/**
+ * Implements hook_block_view_NAME_alter().
+ */
+function block_test_block_view_test_name_hyphen_alter(array &$build, Drupal\block\Plugin\Core\Entity\Block $block) {
+    $build['content']['#children'] .= 'hook_block_view_NAME_alter() invoked.';
+}
diff --git a/core/modules/block/tests/lib/Drupal/block_test/Plugin/block/block/TestViewAlterBlock.php b/core/modules/block/tests/lib/Drupal/block_test/Plugin/block/block/TestViewAlterBlock.php
new file mode 100644
index 0000000..0b14489
--- /dev/null
+++ b/core/modules/block/tests/lib/Drupal/block_test/Plugin/block/block/TestViewAlterBlock.php
@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\block_test\Plugin\block\block\TestViewAlterBlock.
+ */
+
+namespace Drupal\block_test\Plugin\block\block;
+
+use Drupal\block\BlockBase;
+use Drupal\Component\Annotation\Plugin;
+use Drupal\Core\Annotation\Translation;
+
+/**
+ * Provides a block to test view alter hooks.
+ *
+ * @Plugin(
+ *   id = "test-id-hyphen",
+ *   admin_label = @Translation("Test block view alter hooks."),
+ *   module = "block_test"
+ * )
+ */
+class TestViewAlterBlock extends BlockBase {
+
+  /**
+   * Implements \Drupal\block\BlockBase::build().
+   */
+  public function build() {
+    return array(
+      '#children' => state()->get('block_test.content'),
+    );
+  }
+
+}