typed-racket/typed-racket-test/unit-tests/subst-tests.rkt
2014-12-16 10:07:25 -05:00

30 lines
1.4 KiB
Racket

#lang racket/base
(require "test-utils.rkt"
(rep type-rep)
(types utils abbrev numeric-tower substitute)
rackunit)
(provide tests)
(gen-test-main)
(define-syntax-rule (s img var tgt result)
(test-eq? (format "~a" '(img tgt)) (substitute img 'var tgt) result))
(define-syntax-rule (s* imgs rest var tgt result)
(test-eq? (format "~a" '(img tgt)) (substitute-dots (list . imgs) rest 'var tgt) result))
(define-syntax-rule (s... imgs var tgt result)
(test-eq? (format "~a" '(img tgt)) (substitute-dots (list . imgs) #f 'var tgt) result))
(define tests
(test-suite "Tests for substitution"
(s -Number a (-v a) -Number)
(s* (-Symbol -String) #f a (make-ListDots (-v a) 'a) (-lst* -Symbol -String))
(s* (-Symbol -String) Univ a (make-ListDots (-v a) 'a) (-lst* -Symbol -String #:tail (-lst Univ)))
(s... (-Number -Boolean) a (make-Function (list (make-arr-dots null -Number (-v a) 'a))) (-Number -Boolean . -> . -Number))
(s... (-Number -Boolean) a (make-Function (list (make-arr-dots (list -String) -Number (-v a) 'a))) (-String -Number -Boolean . -> . -Number))
(s... (-Number -Boolean) a (make-Function (list (make-arr-dots (list -String) -Number (-v b) 'a))) (-String (-v b) (-v b) . -> . -Number))
(s... (-Number -Boolean) a (make-Function (list (make-arr-dots (list -String) -Number (-v b) 'b)))
(make-Function (list (make-arr-dots (list -String) -Number (-v b) 'b))))))