adjust testing macro

txexpr/tests.rkt

@@ -1,27 +1,27 @@
 #lang racket/base
-(require (for-syntax racket/base racket/syntax))
+(require (for-syntax racket/base racket/syntax syntax/strip-context))
 
 ;; use a separate test file to avoid cycle in loading
 (define-syntax (test-safe-and-unsafe stx)
   (syntax-case stx ()
     [(_ exprs ...)
-     (with-syntax ([sym (syntax-e (generate-temporary))]
+     (with-syntax ([module-without-contracts (generate-temporary)]
-                   [sym2 (syntax-e (generate-temporary))]) 
+                   [module-with-contracts (generate-temporary)]) 
-       (datum->syntax stx `(begin
+       (replace-context stx #'(begin
-                             (module ,(syntax->datum #'sym) racket
+                                (module module-without-contracts racket
                                   (require rackunit "main.rkt")
                                   (define-syntax (values->list stx)
                                     (syntax-case stx ()
                                       [(_ values-expr) #'(call-with-values (λ () values-expr) list)]))
-                               ,@(syntax->datum #'(exprs ...)))
+                                  exprs ...)
-                             (require ',(syntax->datum #'sym))
+                                (require 'module-without-contracts)
-                             (module ,(syntax->datum #'sym2) racket
+                                (module module-with-contracts racket
                                   (require rackunit (submod "main.rkt" safe))
                                   (define-syntax (values->list stx)
                                     (syntax-case stx ()
                                       [(_ values-expr) #'(call-with-values (λ () values-expr) list)]))
-                               ,@(syntax->datum #'(exprs ...)))
+                                  exprs ...)
-                             (require ',(syntax->datum #'sym2))) stx))]))
+                                (require 'module-with-contracts))))]))
 
 (test-safe-and-unsafe