diff --git a/unittests/bind.chai b/unittests/bind.chai
new file mode 100644
index 0000000..6013c74
--- /dev/null
+++ b/unittests/bind.chai
@@ -0,0 +1,2 @@
+var prod = bind(foldl, _, `*`, 1.0)
+print(prod([3, 4, 5]))
diff --git a/unittests/bind.txt b/unittests/bind.txt
new file mode 100644
index 0000000..abdfb05
--- /dev/null
+++ b/unittests/bind.txt
@@ -0,0 +1 @@
+60