2 files changed, 51 insertions, 5 deletions
diff --git a/stdlib/test/test/lux/codata/cont.lux b/stdlib/test/test/lux/codata/cont.lux
new file mode 100644
index 000000000..7e2daa823
--- /dev/null
+++ b/stdlib/test/test/lux/codata/cont.lux
@@ -0,0 +1,45 @@
+##  Copyright (c) Eduardo Julian. All rights reserved.
+##  This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
+##  If a copy of the MPL was not distributed with this file,
+##  You can obtain one at http://mozilla.org/MPL/2.0/.
+
+(;module:
+  lux
+  (lux (codata [io])
+       (control monad)
+       (data [text "Text/" Monoid<Text>]
+             text/format
+             [number]
+             [product])
+       (codata function
+               ["&" cont])
+       (math ["R" random])
+       pipe)
+  lux/test)
+
+(test: "Continuations"
+  [sample R;nat
+   #let [(^open "&/") &;Monad<Cont>]]
+  ($_ seq
+      (assert "Can run continuations to compute their values."
+              (n.= sample (&;run (&;@lazy sample))))
+
+      (assert "Can use functor."
+              (n.= (n.inc sample) (&;run (&/map n.inc (&;@lazy sample)))))
+
+      (assert "Can use applicative."
+              (n.= (n.inc sample) (&;run (&/apply (&/wrap n.inc) (&/wrap sample)))))
+
+      (assert "Can use monad."
+              (n.= (n.inc sample) (&;run (do &;Monad<Cont>
+                                           [func (wrap n.inc)
+                                            arg (wrap sample)]
+                                           (wrap (func arg))))))
+
+      (assert "Can access current continuation."
+              (n.= (n.dec sample) (&;run (do &;Monad<Cont>
+                                           [func (wrap n.inc)
+                                            _ (&;call/cc (lambda [k] (k (n.dec sample))))
+                                            arg (wrap sample)]
+                                           (wrap (func arg))))))
+      ))
diff --git a/stdlib/test/tests.lux b/stdlib/test/tests.lux
index ef94dca90..85cce3d9f 100644
--- a/stdlib/test/tests.lux
+++ b/stdlib/test/tests.lux
@@ -17,14 +17,16 @@
              ["_;" lexer]
              ["_;" regex]
              (codata ["_;" io]
-                     [env]
-                     [state]
-                     (struct [stream]))
+                     ["_;" env]
+                     ["_;" state]
+                     ["_;" cont]
+                     (struct ["_;" stream]))
              (concurrency [actor]
                           ["_;" atom]
                           [frp]
                           ["_;" promise]
                           [stm])
+             
              (data [bit]
                    [bool]
                    [char]
@@ -65,8 +67,7 @@
              ## (control [effect])
              )
         )
-  ## (lux (codata [cont])
-  ##      (macro [poly]
+  ## (lux (macro [poly]
   ##             (poly ["poly_;" eq]
   ##                   ["poly_;" text-encoder]
   ##                   ["poly_;" functor])))