diff --git a/ts_test.go b/ts_test.go
new file mode 100644
index 0000000..0c6e84b
--- /dev/null
+++ b/ts_test.go
@@ -0,0 +1,11 @@
+
+package ts
+
+import (
+	"testing"
+)
+
+func TestPESTsConv(t *testing.T) {
+	t.Logf("%x", PESTsToUInt(0x123))
+}
+