Revert "Buffer.copy should copy through sourceEnd, as specified."

This reverts commit a2f70da4c9bf14a6e0c4a17cac11a5ab555ce90f.

Keep tests modifies a few edge checks on Copy()

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/string_decoder.js b/lib/string_decoder.js
index 7bae2fc47b..2c7ace0ae5 100644
--- a/lib/string_decoder.js
+++ b/lib/string_decoder.js
@@ -25,7 +25,7 @@ StringDecoder.prototype.write = function (buffer) {
       : buffer.length;
 
     // add the new bytes to the char buffer
-    buffer.copy(this.charBuffer, this.charReceived, 0, (i - 1));
+    buffer.copy(this.charBuffer, this.charReceived, 0, i);
     this.charReceived += i;
 
     if (this.charReceived < this.charLength) {
@@ -79,7 +79,7 @@ StringDecoder.prototype.write = function (buffer) {
   }
 
   // buffer the incomplete character bytes we got
-  buffer.copy(this.charBuffer, 0, buffer.length - i, (buffer.length - 1));
+  buffer.copy(this.charBuffer, 0, buffer.length - i, buffer.length);
   this.charReceived = i;
 
   if (buffer.length - i > 0) {