t/op/closure.t See if closures work
t/op/cmp.t See if the various string and numeric compare work
t/op/cond.t See if conditional expressions work
+t/op/context.t See if context propagation works
t/op/defins.t See if auto-insert of defined() works
t/op/delete.t See if delete works
t/op/die.t See if die works