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authorLudovic Courtès <ludo@gnu.org>2013-12-09 21:10:28 +0100
committerLudovic Courtès <ludo@gnu.org>2013-12-10 00:24:01 +0100
commit593c3fe600a5f5e90a6eea3a175f83d3319b4efe (patch)
tree616bf04c694dd5dc540341fa11f1aac9c00952c2 /tests/monads.scm
parentf7faff88b73c53fd1a8644dfb93e9214f4afaa9c (diff)
downloadguix-593c3fe600a5f5e90a6eea3a175f83d3319b4efe.tar.gz
monads: Fix 'anym'.
* guix/monads.scm (anym): Fix successful case.
* tests/monads.scm ("anym"): New test.
Diffstat (limited to 'tests/monads.scm')
-rw-r--r--tests/monads.scm12
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/monads.scm b/tests/monads.scm
index 7fc2aa90c1..d3f78e1568 100644
--- a/tests/monads.scm
+++ b/tests/monads.scm
@@ -163,6 +163,18 @@
          %monads
          %monad-run))
 
+(test-assert "anym"
+  (every (lambda (monad run)
+           (eq? (run (with-monad monad
+                       (let ((lst (list (return 1) (return 2) (return 3))))
+                         (anym monad
+                               (lambda (x)
+                                 (and (odd? x) 'odd!))
+                               lst))))
+                'odd!))
+         %monads
+         %monad-run))
+
 (test-end "monads")