Add strings and print primitive

[scheme.git] / tests.scm

diff --git a/tests.scm b/tests.scm
index 39ca24011c249c1ff0c239bd293b20a1b761888a..7c73433ca4dbf8f0a0c6e2d5a6d11d5e865c8071 100644 (file)
--- a/tests.scm
+++ b/tests.scm
@@ -1,3 +1,4 @@
+(load "codegen.scm")
 (load "typecheck.scm")
 
 (define (test actual expected)
@@ -6,5 +7,34 @@
           (format "test failed:\nexpected: ~a\nactual:   ~a"
                   expected actual))))
 
+(define (read-file file)
+  (call-with-input-file file
+    (lambda (p)
+      (let loop ((next (read-char p))
+                 (result ""))
+        (if (eof-object? next)
+            result
+            (loop (read-char p) (string-append result (string next))))))))
+
+(define (test-prog prog exit-code)
+  (compile-to-binary prog "/tmp/test-prog")
+  (system "/tmp/test-prog"))
+
+(define (test-prog-stdout prog output)
+  (compile-to-binary prog "/tmp/test-prog")
+  (system "/tmp/test-prog > /tmp/test-output.txt")
+  (let ((str (read-file "/tmp/test-output.txt")))
+    (test str output)))
+
 (test (typecheck '(lambda (x) (+ ((lambda (y) (x y 3)) 5) 2)))
       '(abs (abs int (abs int int)) int))
+
+(test-prog '(+ 1 2) 3)
+(test-prog '((lambda (x) ((lambda (y) (+ x y)) 42)) 100) 142)
+(test-prog '(let ((x (+ 1 32))
+                 (y x))
+             ((lambda (z) (+ 1 z)) (* y x)))
+          1090)
+(test-prog '(if ((lambda (x) (= x 2)) 1) 0 (- 32 1)) 31)
+(test-prog-stdout '(if (= 3 2) 1 (let () (print "hello world!") 0)) "hello world!")
+