From: Ramakrishnan Muthukrishnan <vu3rdd@gmail.com>
Date: Wed, 18 Jan 2012 02:11:21 +0000 (+0530)
Subject: add a factorial test
X-Git-Url: https://git.rkrishnan.org/pf/content/en/seg/frontends/flags/...?a=commitdiff_plain;h=f5209b8f4c3c6f434c3643f7287e69d237d41f8d;p=sicp.git

add a factorial test
---

diff --git a/TODO b/TODO
index 829d844..ee0aebd 100644
--- a/TODO
+++ b/TODO
@@ -1,7 +1,7 @@
 * Things to do in chapter 2.
   - Work on 2.91 - 2.97 after working on 3.3.3
   - run all the program which uses `get' and `put', after implementing
-    it in chapter 3.
+   it in chapter 3.
    
 
 
diff --git a/src/sicp/metacircular2-test.rkt b/src/sicp/metacircular2-test.rkt
index 91ea502..1644f95 100644
--- a/src/sicp/metacircular2-test.rkt
+++ b/src/sicp/metacircular2-test.rkt
@@ -71,7 +71,13 @@
                     b
                     (fib-iter (+ a b) a (- count 1)))))
            env1)
-     (check-equal? (eval '(fib 10) env1) 55 "named let"))))
+     (check-equal? (eval '(fib 10) env1) 55 "named let")
+     (eval '(define (factorial n)
+              (if (= n 1)
+                  1
+                  (* (factorial (- n 1)) n)))
+           env1)
+     (check-equal? (eval '(factorial 10) env1) 3628800 "factorial test"))))
 
 
 (run-tests metacircular2-tests)
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