--- /dev/null
+<?php
+
+namespace Drupal\Tests\views\Kernel\Handler;
+
+use Drupal\Tests\views\Kernel\ViewsKernelTestBase;
+use Drupal\views\Views;
+
+/**
+ * Tests the core Drupal\views\Plugin\views\field\FileSize handler.
+ *
+ * @group views
+ * @see CommonXssUnitTest
+ */
+class FieldFileSizeTest extends ViewsKernelTestBase {
+
+ /**
+ * Views used by this test.
+ *
+ * @var array
+ */
+ public static $testViews = ['test_view'];
+
+ public function dataSet() {
+ $data = parent::dataSet();
+ $data[0]['age'] = 0;
+ $data[1]['age'] = 10;
+ $data[2]['age'] = 1000;
+ $data[3]['age'] = 10000;
+
+ return $data;
+ }
+
+ public function viewsData() {
+ $data = parent::viewsData();
+ $data['views_test_data']['age']['field']['id'] = 'file_size';
+
+ return $data;
+ }
+
+ public function testFieldFileSize() {
+ $view = Views::getView('test_view');
+ $view->setDisplay();
+
+ $view->displayHandlers->get('default')->overrideOption('fields', [
+ 'age' => [
+ 'id' => 'age',
+ 'table' => 'views_test_data',
+ 'field' => 'age',
+ ],
+ ]);
+
+ $this->executeView($view);
+
+ // Test with the formatted option.
+ $this->assertEqual($view->field['age']->advancedRender($view->result[0]), '');
+ $this->assertEqual($view->field['age']->advancedRender($view->result[1]), '10 bytes');
+ $this->assertEqual($view->field['age']->advancedRender($view->result[2]), '1000 bytes');
+ $this->assertEqual($view->field['age']->advancedRender($view->result[3]), '9.77 KB');
+ // Test with the bytes option.
+ $view->field['age']->options['file_size_display'] = 'bytes';
+ $this->assertEqual($view->field['age']->advancedRender($view->result[0]), '');
+ $this->assertEqual($view->field['age']->advancedRender($view->result[1]), '10');
+ $this->assertEqual($view->field['age']->advancedRender($view->result[2]), '1000');
+ $this->assertEqual($view->field['age']->advancedRender($view->result[3]), '10000');
+ }
+
+}