--- /dev/null
+<?php
+
+namespace Drupal\Tests\aggregator\Functional;
+
+/**
+ * Delete feed items from a feed.
+ *
+ * @group aggregator
+ */
+class DeleteFeedItemTest extends AggregatorTestBase {
+ /**
+ * Tests running "delete items" from 'admin/config/services/aggregator' page.
+ */
+ public function testDeleteFeedItem() {
+ // Create a bunch of test feeds.
+ $feed_urls = [];
+ // No last-modified, no etag.
+ $feed_urls[] = \Drupal::url('aggregator_test.feed', [], ['absolute' => TRUE]);
+ // Last-modified, but no etag.
+ $feed_urls[] = \Drupal::url('aggregator_test.feed', ['use_last_modified' => 1], ['absolute' => TRUE]);
+ // No Last-modified, but etag.
+ $feed_urls[] = \Drupal::url('aggregator_test.feed', ['use_last_modified' => 0, 'use_etag' => 1], ['absolute' => TRUE]);
+ // Last-modified and etag.
+ $feed_urls[] = \Drupal::url('aggregator_test.feed', ['use_last_modified' => 1, 'use_etag' => 1], ['absolute' => TRUE]);
+
+ foreach ($feed_urls as $feed_url) {
+ $feed = $this->createFeed($feed_url);
+ // Update and delete items two times in a row to make sure that removal
+ // resets all 'modified' information (modified, etag, hash) and allows for
+ // immediate update. There's 8 items in the feed, but one has an empty
+ // title and is skipped.
+ $this->updateAndDelete($feed, 7);
+ $this->updateAndDelete($feed, 7);
+ $this->updateAndDelete($feed, 7);
+ // Delete feed.
+ $this->deleteFeed($feed);
+ }
+ }
+
+}