diff --git a/core/tests/Drupal/Tests/Core/Render/RendererPlaceholdersTest.php b/core/tests/Drupal/Tests/Core/Render/RendererPlaceholdersTest.php
index 7478840c5d..4c6f40c6da 100644
--- a/core/tests/Drupal/Tests/Core/Render/RendererPlaceholdersTest.php
+++ b/core/tests/Drupal/Tests/Core/Render/RendererPlaceholdersTest.php
@@ -962,6 +962,53 @@ public function testCreatePlaceholderPropertyWithoutLazyBuilder() {
     $this->renderer->renderRoot($element);
   }
 
+  /**
+   * Tests lazy builders (string callable) that do not return a renderable.
+   *
+   * @covers ::render
+   * @covers ::doRender
+   */
+  public function testNonArrayReturnFromLazyBuilderStringCallable() {
+    $element = [];
+    $element['#lazy_builder'] = ['Drupal\Tests\Core\Render\PlaceholdersTest::callbackNonArrayReturn', []];
+
+    $this->expectException(\LogicException::class);
+    $this->expectExceptionMessage('#lazy_builder callbacks must return a valid renderable array, got boolean from Drupal\Tests\Core\Render\PlaceholdersTest::callbackNonArrayReturn');
+    $this->renderer->renderRoot($element);
+  }
+
+  /**
+   * Tests lazy builders (array callable) that do not return a renderable.
+   *
+   * @covers ::render
+   * @covers ::doRender
+   */
+  public function testNonArrayReturnFromLazyBuilderArrayCallable() {
+    $element = [];
+    $element['#lazy_builder'] = [['Drupal\Tests\Core\Render\PlaceholdersTest', 'callbackNonArrayReturn'], []];
+
+    $this->expectException(\LogicException::class);
+    $this->expectExceptionMessage('#lazy_builder callbacks must return a valid renderable array, got boolean from Drupal\Tests\Core\Render\PlaceholdersTest::callbackNonArrayReturn');
+    $this->renderer->renderRoot($element);
+  }
+
+  /**
+   * Tests lazy builders (closure) that do not return a renderable.
+   *
+   * @covers ::render
+   * @covers ::doRender
+   */
+  public function testNonArrayReturnFromLazyBuilderClosure() {
+    $element = [];
+    $element['#lazy_builder'] = [function () {
+      return NULL;
+    }, []];
+
+    $this->expectException(\LogicException::class);
+    $this->expectExceptionMessage('#lazy_builder callbacks must return a valid renderable array, got NULL from [closure]');
+    $this->renderer->renderRoot($element);
+  }
+
   /**
    * Create an element with a child and subchild. Each element has the same
    * #lazy_builder callback, but with different contexts. They don't modify
diff --git a/core/tests/Drupal/Tests/Core/Render/RendererTestBase.php b/core/tests/Drupal/Tests/Core/Render/RendererTestBase.php
index 6512194631..49c6b361b5 100644
--- a/core/tests/Drupal/Tests/Core/Render/RendererTestBase.php
+++ b/core/tests/Drupal/Tests/Core/Render/RendererTestBase.php
@@ -317,11 +317,21 @@ public static function callbackTagCurrentTemperature($animal) {
     return $build;
   }
 
+  /**
+   * Returns invalid renderable to #lazy_builder callback.
+   *
+   * @return bool
+   *   TRUE.
+   */
+  public static function callbackNonArrayReturn() {
+    return TRUE;
+  }
+
   /**
    * {@inheritdoc}
    */
   public static function trustedCallbacks() {
-    return ['callbackTagCurrentTemperature', 'callbackPerUser', 'callback'];
+    return ['callbackTagCurrentTemperature', 'callbackPerUser', 'callback', 'callbackNonArrayReturn'];
   }
 
 }