From c8af0e4d5c6e59c3435eb4712ea5033e69f427b3 Mon Sep 17 00:00:00 2001
From: Slava Pestov <slava@slava-pestovs-macbook-pro.local>
Date: Sun, 23 May 2010 18:38:37 -0400
Subject: [PATCH] alarms: add unit test for race condition

---
 basis/alarms/alarms-tests.factor | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/basis/alarms/alarms-tests.factor b/basis/alarms/alarms-tests.factor
index 786a7b1774..715d51e4fa 100644
--- a/basis/alarms/alarms-tests.factor
+++ b/basis/alarms/alarms-tests.factor
@@ -30,3 +30,10 @@ IN: alarms.tests
     1/2 seconds sleep
     stop-alarm
 ] unit-test
+
+[ { 1 } ] [
+    { 0 }
+    dup '[ 0 _ [ 1 + ] change-nth ] 3 seconds later
+    [ stop-alarm ] [ start-alarm ] bi
+    4 seconds sleep
+] unit-test