From 0c135fdabfde4a0b70c1ddd238f64263344215b0 Mon Sep 17 00:00:00 2001
From: zsxwing <zsxwing@gmail.com>
Date: Fri, 12 Dec 2014 22:39:26 +0800
Subject: [PATCH] Handle 0 or negative request in Buffer

---
 .../java/rx/internal/operators/OperatorBufferWithSize.java  | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/main/java/rx/internal/operators/OperatorBufferWithSize.java b/src/main/java/rx/internal/operators/OperatorBufferWithSize.java
index 6f14f4bbf7..60872b5ba7 100644
--- a/src/main/java/rx/internal/operators/OperatorBufferWithSize.java
+++ b/src/main/java/rx/internal/operators/OperatorBufferWithSize.java
@@ -144,6 +144,12 @@ private void requestInfinite() {
 
                     @Override
                     public void request(long n) {
+                        if (n == 0) {
+                            return;
+                        }
+                        if (n < 0) {
+                            throw new IllegalArgumentException("request a negative number: " + n);
+                        }
                         if (infinite) {
                             return;
                         }