X-Git-Url: http://git.lukelau.me/?a=blobdiff_plain;f=tests.scm;h=67d8b306140d6502c363fe153227ee4445c6d60e;hb=b2dd1447521cd266a2a6fe1c0c48c5bff8a3c072;hp=65b99d9c5a3574e331228c21933528d1a3490e76;hpb=b35e568b559038a7b848f81c70ec50753dc3f736;p=scheme.git

diff --git a/tests.scm b/tests.scm
index 65b99d9..67d8b30 100644
--- a/tests.scm
+++ b/tests.scm
@@ -22,13 +22,13 @@
 (define (test-prog prog exit-code)
   (display prog)
   (newline)
-  (compile-to-binary prog "/tmp/test-prog" 'darwin)
+  (compile-to-binary prog "/tmp/test-prog" host-os)
   (test (system "/tmp/test-prog") exit-code))
 
 (define (test-prog-stdout prog output)
   (display prog)
   (newline)
-  (compile-to-binary prog "/tmp/test-prog" 'darwin)
+  (compile-to-binary prog "/tmp/test-prog" host-os)
   (system "/tmp/test-prog > /tmp/test-output.txt")
   (let ((str (read-file "/tmp/test-output.txt")))
     (test str output)))
@@ -50,6 +50,24 @@
 		    bar))
 	    '(abs a a))
 
+(test-types (typecheck '(let ([foo 3]
+			      [bar (+ foo baz)]
+			      [baz (- bar 1)])
+			  bar))
+	    'int)
+
+(test-types (typecheck '(let ([foo 3]
+			      [bar (baz foo)]
+			      [baz (lambda (x) x)])
+			  baz))
+	    '(abs a a))
+
+(test-types (typecheck '(let ([foo 3]
+			      [bar (baz foo)]
+			      [baz (lambda (x) x)])
+			  bar))
+	    'int)
+
 (test-prog '(+ 1 2) 3)
 (test-prog '((lambda (x) ((lambda (y) (+ x y)) 42)) 100) 142)
 
@@ -77,7 +95,10 @@
 (test-prog '((lambda (f) (f 3 3)) (lambda (x y) (bool->int (= x y)))) 1)
 (test-prog '(bool->int ((lambda (f) (! (f 2 3))) =)) 1)
 
-					; recursion (hangs at typechecking)
-(test-prog '(let [(fac (lambda (f n x) (if (= n 0) x (f f (- n 1) (* x x)))))]
-	      (fac fac 3 2))
-	   8)
+					; recursion
+(test-prog '(let [(inc (lambda (f n x)
+			 (if (= n 0)
+			     x
+			     (f f (- n 1) (+ x 1)))))]
+	      (inc inc 3 2))
+	   5)