Ticket #21570: 21570-ut.diff

tests/ms.php

@@ -420 +420 @@
                 $this->assertEquals( $post_id2, $post->ID );
                 restore_current_blog();
         }
+
+        /**
+         * @ticket 21570
+         */
+        function test_is_email_address_unsafe() {
+                $banned_email_domains = get_site_option( 'banned_email_domains' );
+                update_site_option( 'banned_email_domains', 'bar.com' );
+
+                foreach ( array( 'test@bar.com', 'test@foo.bar.com' ) as $email_address ) {
+                        $this->assertTrue( is_email_address_unsafe( $email_address ), "$email_address should be UNSAFE" );
+                }
+
+                foreach ( array( 'test@foobar.com', 'test@foo-bar.com' ) as $email_address ) {
+                        $this->assertFalse( is_email_address_unsafe( $email_address ), "$email_address should be SAFE" );
+                }
+
+                if ( $banned_email_domains ) {
+                        update_site_option( 'banned_email_domains', $banned_email_domains );
+                } else {
+                        delete_site_option( 'banned_email_domains' );
+                }
+        }
 }
 
 endif;