diff --git a/collects/tests/typed-scheme/succeed/check-within.ss b/collects/tests/typed-scheme/succeed/check-within.ss new file mode 100644 index 00000000..30564384 --- /dev/null +++ b/collects/tests/typed-scheme/succeed/check-within.ss @@ -0,0 +1,17 @@ + +#lang typed-scheme + +(require scheme/math typed/test-engine/scheme-tests) + +(define-struct: circle ({radius : Number})) +(: circle-area (circle -> Number)) + +(check-within (+ 1 2.14) pi .1) +(check-range 2 1 3) +(check-member-of 'a 'b 'c 'd 'a 'z) +(check-error (error "fail") "fail") + +(define (circle-area c) + (* pi (circle-radius c) (circle-radius c))) + +(test) \ No newline at end of file