Same hint as for specd: have a look at 'assertOp'! http://d.puremagic.com/issues/show_bug.cgi?id=4653
alias assertOp!">" assertGreaterThan; alias assertOp!">=" assertGreaterThanOrEqual; alias assertOp!"<" assertLessThan; alias assertOp!"<=" assertLessThanOrEqual; avoids duplicate code.Maybe, you can do the same for 'assertStartsWith' and 'assertEndsWith'?