Fix bindings in ADT pattern matching codegen

[scheme.git] / tests.scm

diff --git a/tests.scm b/tests.scm
index bcd878a11dfccb8368d930931d5ad00721d8c626..a3f4913a75d5e9177843da3d5a71ce2d24b0a8b4 100644 (file)
--- a/tests.scm
+++ b/tests.scm
@@ -7,7 +7,13 @@
           (format "test failed:\nexpected: ~a\nactual:   ~a"
                   expected actual))))
 
-(define (test . xs) (apply test-f (cons equal? xs)))
+(define-syntax test
+  (syntax-rules ()
+    ((_ a e)
+     (begin
+       (display (quote a))
+       (newline)
+       (test-f equal? a e)))))
 
 (define-syntax test-types
   (syntax-rules ()
@@ -30,7 +36,7 @@
   (display prog)
   (newline)
   (compile-to-binary prog "/tmp/test-prog" host-os)
-  (test (system "/tmp/test-prog") exit-code))
+  (test-f equal? (system "/tmp/test-prog") exit-code))
 
 (define (test-expr prog exit-code)
   (test-prog (list prog) exit-code))
@@ -41,16 +47,33 @@
   (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)))
+    (test-f equal? str output)))
+
+(define-syntax test-exception
+  (syntax-rules ()
+    ((_ f)
+     (begin
+       (display (quote f))
+       (newline)
+       (call/cc (lambda (k)
+                 (with-exception-handler
+                  (lambda (x)
+                    (when (eqv? 'no-exception x)
+                      (error #f "test failed: no exception thrown"))
+                    (k))
+                  (lambda ()
+                    (begin
+                      f
+                      (raise 'no-exception))))))))))
 
 (test (data-tors '(A . ((foo Int Bool)
                        (bar Bool))))
       '((foo (A foo constructor)
             abs Int (abs Bool A))
-       (foo~0 (A foo 0) abs A Int)
-       (foo~1 (A foo 1) abs A Bool)
+       (foo~0 (A foo 0 Int) abs A Int)
+       (foo~1 (A foo 1 Bool) abs A Bool)
        (bar (A bar constructor) abs Bool A)
-       (bar~0 (A bar 0) abs A Bool)))
+       (bar~0 (A bar 0 Bool) abs A Bool)))
 
 (test (data-tors-type-env
        '(A . ((foo Int Bool)
@@ -61,11 +84,19 @@
        (bar . (abs Bool A))
        (bar~0 . (abs A Bool))))
 
-(test (expand-pattern-matches '(let ([(foo x y) (foo 123 234)] [z (f 123)]) x))
-      '(let ([x (foo~0 (foo 123 234))]
+(test (expand-pattern-matches
+       '((data A (foo Int Int))
+        (let ([(foo x y) (foo 123 234)] [z (f 123)]) x)))
+      '((data A (foo Int Int))
+       (let ([x (foo~0 (foo 123 234))]
              [y (foo~1 (foo 123 234))]
              [z (f 123)])
-        x))
+         x)))
+
+(test-exception
+ (expand-pattern-matches '((data A (foo Int Int))
+                          (let ([(foo x) (foo 123 234)])
+                            x))))
 
 (test-types (typecheck '((lambda (x) (+ ((lambda (y) (x y 3)) 5) 2))))
            '(abs (abs Int (abs Int Int)) Int))
@@ -124,9 +155,7 @@
 
 (test-types
  (typecheck
-  '((data A
-         [foo Int]
-         [bar Bool])
+  '((data A [foo Int])
     (let ([x (foo 42)]
          [(foo y) x])
       x)))
@@ -134,14 +163,25 @@
 
 (test-types
  (typecheck
-  '((data A
-         [foo Int]
-         [bar Bool])
+  '((data A [foo Int])
     (let ([x (foo 42)]
          [(foo y) x])
       y)))
  'Int)
 
+                                       ; case statements
+(test-types
+ (typecheck '((data A (foo B))
+             (data B (bar Int))
+             (case (foo (bar 32))
+               [(foo x) x])))
+ 'B)
+
+(test-types
+ (typecheck '((case 42
+               [23 (= 1 2)]
+               [x (= x 1)])))
+ 'Bool)
 
                                        ; type annotations
 
@@ -228,3 +268,42 @@
             (let ([(foo x y) (foo (= 3 3) 42)])
               y))
           42)
+
+(test-exception (expand-pattern-matches
+                '((data A [foo Int]
+                  [bar Bool])
+                  (let ([(foo x) (foo 0)]) x))))
+
+(test-prog '((data A [foo Int])
+            (let ([x (foo 42)])
+              (let ([(foo y) x])
+                (+ 2 y))))
+          44)
+
+(test-prog '((data A [foo Bool Int Int])
+            (let ([x (foo (= 2 1) 123 45)]
+                  [(foo a b c) x])
+              (+ b c)))
+          (+ 123 45))
+
+(test-prog '((data A [foo Int])
+            (data B [bar A])
+            (let ([(bar (foo x)) (bar (foo 42))])
+              x))
+          42)
+
+(test-prog '((data Foo [a] [b] [c])
+            (let ([x b])
+              (case x
+                [a 3]
+                [b 2]
+                [c 1])))
+          2)
+
+(test-prog '((data Foo [foo Int Int] [bar Bool])
+            (case (foo 42 12)
+              [(foo 20 x) 0]
+              [(foo 42 x) x]
+              [(bar x) 0]))
+          12)
+