Fixed random test error when using skip and encoding due to internal Buffer unsafeAlloc

Author: Ericbla

lib/binary_parser.js

@@ -707,8 +707,7 @@ Parser.prototype.generateSkip = function(ctx) {
 
 Parser.prototype.generate_encodeSkip = function(ctx) {
   var length = ctx.generateOption(this.options.length);
-  ctx.pushCode("smartBuffer._ensureWriteable({0});", length);
-  ctx.pushCode("smartBuffer.writeOffset += {0};", length);
+  ctx.pushCode("smartBuffer.writeBuffer(Buffer.alloc({0}));", length);
 };
 
 Parser.prototype.generateString = function(ctx) {