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diff --git a/scheme/chez/geiser/test.ss b/scheme/chez/geiser/test.ss
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+(import (geiser)
+	(chezscheme))
+
+
+(define-syntax get-result
+  (syntax-rules ()
+    ((_ form)
+     (with-output-to-string
+       (lambda ()
+	 (geiser:eval #f form))))))
+
+(define-syntax do-test
+  (syntax-rules ()
+    ((_ form result)
+     (assert
+      (equal?
+       (get-result form)
+       result)))))
+
+;; (something-doesnot-exist)
+;;=> Error: Exception: variable something-doesnot-exist is not bound
+(do-test
+ '(something-doesnot-exist)
+ "((result \"\") (output . \"\") (error (key . \"Exception: variable something-doesnot-exist is not bound\")))\n"
+ )
+
+;; (make-violation)
+;;=> #<condition &violation>
+(do-test
+ '(make-violation) 
+ "((result \"#<condition &violation>\\n\") (output . \"\"))\n")
+
+;; (values 1 2 3)
+;;==> (1 2 3)
+(do-test
+ '(values 1 2 3)
+ "((result \"(1 2 3)\\n\") (output . \"\"))\n")
+
+;; 1
+;;=> 1
+(do-test '1 "((result \"1\\n\") (output . \"\"))\n")
+
+
+;; '(case-lambda
+;;    [(x1 x2) (+ x1 x2)]
+;;    [(x1 x2 x3) (+ (+ x1 x2) x3)]
+;;    [(x1 x2 . rest)
+;;     ((letrec ([loop (lambda (x1 x2 rest)
+;; 		      (let ([x (+ x1 x2)])
+;; 			(if (null? rest)
+;; 			    x
+;; 			    (loop x (car rest) (cdr rest)))))])
+;;        loop)
+;;      x1
+;;      x2
+;;      rest)]
+;;    [(x1) (+ x1)]
+;;    [() (+)])
+#|=> (case-lambda
+  [(x1 x2) (+ x1 x2)]
+  [(x1 x2 x3) (+ (+ x1 x2) x3)]
+  [(x1 x2 . rest)
+   ((letrec ([loop (lambda (x1 x2 rest)
+                     (let ([x (+ x1 x2)])
+                       (if (null? rest)
+                           x
+                           (loop x (car rest) (cdr rest)))))])
+      loop)
+     x1
+     x2
+     rest)]
+  [(x1) (+ x1)]
+  [() (+)])
+  |#
+(do-test (quote '(case-lambda
+  [(x1 x2) (+ x1 x2)]
+  [(x1 x2 x3) (+ (+ x1 x2) x3)]
+  [(x1 x2 . rest)
+   ((letrec ([loop (lambda (x1 x2 rest)
+                     (let ([x (+ x1 x2)])
+                       (if (null? rest)
+                           x
+                           (loop x (car rest) (cdr rest)))))])
+      loop)
+     x1
+     x2
+     rest)]
+  [(x1) (+ x1)]
+  [() (+)])) "((result \"(case-lambda\\n  [(x1 x2) (+ x1 x2)]\\n  [(x1 x2 x3) (+ (+ x1 x2) x3)]\\n  [(x1 x2 . rest)\\n   ((letrec ([loop (lambda (x1 x2 rest)\\n                     (let ([x (+ x1 x2)])\\n                       (if (null? rest)\\n                           x\\n                           (loop x (car rest) (cdr rest)))))])\\n      loop)\\n     x1\\n     x2\\n     rest)]\\n  [(x1) (+ x1)]\\n  [() (+)])\\n\") (output . \"\"))\n")
+