Ticket #5781: 5781.strtotime-unit-test.patch

tests/phpunit/testcases/core/functions.php

@@ -612 +612 @@
         }
 
         /**
+         * @group strtotime
+         */
+        public function test_strtotime_server_timezone_different_than_utc() {
+                // Pretend that this is a UTC date.
+                $utc_date = '2008-03-25 17:13:55';
+
+                // backup timezone
+                $tz_backup = date_default_timezone_get();
+
+                // Pretend server has set timezone to Paris.
+                date_default_timezone_set( 'Europe/Paris' );
+
+                $paris_timestamp = strtotime( $utc_date );
+
+                // Set timezone back to UTC.
+                date_default_timezone_set( 'UTC' );
+
+                $utc_timestamp = strtotime( $utc_date );
+
+                // revert timezone back to normal
+                if ( $tz_backup ) {
+                        date_default_timezone_set( $tz_backup );
+                }
+
+                // Assert that convert Paris time doesn't match original UTC timestamp.
+                $this->assertNotSame( $paris_timestamp, $utc_timestamp );
+        }
+
+        /**
+         * @group strtotime
+         */
+        public function test_strtotime_server_timezone_different_but_using_mysql2date_instead_of_strtotime() {
+                // Pretend that this is a UTC date.
+                $utc_date = '2008-03-25 17:13:55';
+
+                // backup timezone
+                $tz_backup = date_default_timezone_get();
+
+                // Pretend server has set timezone to Paris.
+                date_default_timezone_set( 'Europe/Paris' );
+
+                $mysql2date = mysql2date( 'G', $utc_date );
+
+                // Set timezone to UTC.
+                date_default_timezone_set( 'UTC' );
+
+                $utc_timestamp = strtotime( $utc_date );
+
+                // revert timezone back to normal
+                if ( $tz_backup ) {
+                        date_default_timezone_set( $tz_backup );
+                }
+
+                // Assert same even though server timezone is different.
+                $this->assertSame( $mysql2date, $utc_timestamp );
+        }
+
+        /**
          * @group bp_attachments
          * @group bp_upload_dir
          */