This tests platform specific system font styles. If any of the styles appear in monospace the test fails.
caption: normal normal normal normal 16px / normal Arial
icon: normal normal normal normal 16px / normal Arial
menu: normal normal normal normal 12px / normal "Segoe UI"
message-box: normal normal normal normal 16px / normal Arial
small-caption: normal normal normal normal 12px / normal "Segoe UI"
status-bar: normal normal normal normal 12px / normal "Segoe UI"