Fix test failures

diff --git a/index.js b/index.js
index a2f490cf775a3900e1db51d72795d289f0fc4d55..dca010387715af05f75dcdd8c4e80ce78652c5e3 100644 (file)
--- a/index.js
+++ b/index.js
@@ -233,7 +233,9 @@ function BufferWrite (string, offset, length, encoding) {
 function BufferToString (encoding, start, end) {
   encoding = String(encoding || 'utf8').toLowerCase()
   start = Number(start) || 0
-  end = Number(end) || this.length
+  end = (end !== undefined)
+    ? Number(end)
+    : end = this.length
 
   // Fastpath empty strings
   if (end === start)