1 files changed, 25 insertions, 0 deletions

diff --git a/tests/rupval.lua b/tests/rupval.lua
new file mode 100644
index 0000000..7b5a270
--- /dev/null
+++ b/tests/rupval.lua
@@ -0,0 +1,25 @@
+lanes = require "lanes".configure{with_timers=false}
+
+-- make sure we can copy functions with interdependant upvalues
+
+local b
+local a = function( n)
+  print( "a", n)
+        return n <= 0 and n or b( n-1)
+end
+
+local c
+b = function( n)
+        print( "b", n)
+        return n <= 0 and n or c( n-1)
+end
+
+c = function( n)
+        print( "c", n)
+        return n <= 0 and n or a( n-1)
+end
+
+local g = lanes.gen( "*", a)
+
+local l = g(10)
+l:join()