| method | String[] getRoles(HttpServletRequest) |
| presumption | init'ed(net.sourceforge.pebble.Constants.BLOG_ ADMIN_ROLE) |
| presumption | init'ed(net.sourceforge.pebble.Constants.BLOG_ OWNER_ROLE) |
| post | return_value == &new String[](getRoles#1) |
| post | new String[](getRoles#1) num objects == 1 |
| post | return_value.length == 2 |
| post | return_value[0] == net.sourceforge.pebble. Constants.BLOG_OWNER_ROLE |
| post | (soft) init'ed(return_value[0]) |
| post | return_value[1] == net.sourceforge.pebble. Constants.BLOG_ADMIN_ROLE |
| post | (soft) init'ed(return_value[1]) |