--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/drupal/modules/simpletest/tests/entity_crud.test	Fri Sep 08 12:04:06 2017 +0200
@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * @file
+ * Tests for the Entity CRUD API.
+ */
+
+/**
+ * Tests the entity_load() function.
+ */
+class EntityLoadTestCase extends DrupalWebTestCase {
+  protected $profile = 'testing';
+
+  public static function getInfo() {
+    return array(
+      'name' => 'Entity loading',
+      'description' => 'Tests the entity_load() function.',
+      'group' => 'Entity API',
+    );
+  }
+
+  /**
+   * Tests the functionality for loading entities matching certain conditions.
+   */
+  public function testEntityLoadConditions() {
+    // Create a few nodes. One of them is given an edge-case title of "Array",
+    // because loading entities by an array of conditions is subject to PHP
+    // array-to-string conversion issues and we want to test those.
+    $node_1 = $this->drupalCreateNode(array('title' => 'Array'));
+    $node_2 = $this->drupalCreateNode(array('title' => 'Node 2'));
+    $node_3 = $this->drupalCreateNode(array('title' => 'Node 3'));
+
+    // Load all entities so that they are statically cached.
+    $all_nodes = entity_load('node', FALSE);
+
+    // Check that the first node can be loaded by title.
+    $nodes_loaded = entity_load('node', FALSE, array('title' => 'Array'));
+    $this->assertEqual(array_keys($nodes_loaded), array($node_1->nid));
+
+    // Check that the second and third nodes can be loaded by title using an
+    // array of conditions, and that the first node is not loaded from the
+    // cache along with them.
+    $nodes_loaded = entity_load('node', FALSE, array('title' => array('Node 2', 'Node 3')));
+    ksort($nodes_loaded);
+    $this->assertEqual(array_keys($nodes_loaded), array($node_2->nid, $node_3->nid));
+    $this->assertIdentical($nodes_loaded[$node_2->nid], $all_nodes[$node_2->nid], 'Loaded node 2 is identical to cached node.');
+    $this->assertIdentical($nodes_loaded[$node_3->nid], $all_nodes[$node_3->nid], 'Loaded node 3 is identical to cached node.');
+  }
+}