buffer: special case empty string writes

Prior to 119354f we specifically handled passing a zero length string
to write on a buffer, restore that functionality.

1 files changed, 7 insertions, 0 deletions

diff --git a/test/simple/test-buffer.js b/test/simple/test-buffer.js
index 0d071127c9..3026824f0a 100644
--- a/test/simple/test-buffer.js
+++ b/test/simple/test-buffer.js
@@ -998,3 +998,10 @@ assert.equal(Buffer.byteLength('aaaa==', 'base64'), 3);
 assert.throws(function() {
   Buffer('', 'buffer');
 }, TypeError);
+
+assert.doesNotThrow(function () {
+  var slow = new SlowBuffer(1);
+  assert(slow.write('', Buffer.poolSize * 10) === 0);
+  var fast = new Buffer(1);
+  assert(fast.write('', Buffer.poolSize * 10) === 0);
+});