Ticket #22223: 22223-ut.2.diff

Index: tests/post/objects.php
===================================================================
--- tests/post/objects.php      (revision 1085)
+++ tests/post/objects.php      (working copy)
@@ -185,4 +185,24 @@
                $this->assertInternalType( 'array', $post['ancestors'] );
                $this->assertEquals( 'raw', $post['filter'] );
        }
+
+       function test_get_post_cache() {
+               global $wpdb;
+
+               $id = $this->factory->post->create();
+               wp_cache_delete( $id, 'posts' );
+
+               // get_post( stdClass ) should not prime the cache
+               $post = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE ID = %d LIMIT 1", $id ) );
+               $post = get_post( $post );
+               $this->assertEmpty( wp_cache_get( $id, 'posts' ) );
+
+               // get_post( WP_Post ) should not prime the cache
+               get_post( $post );
+               $this->assertEmpty( wp_cache_get( $id, 'posts' ) );
+
+               // get_post( ID ) should prime the cache
+               get_post( $post->ID );
+               $this->assertNotEmpty( wp_cache_get( $id, 'posts' ) );
+       }
 }