From e0330c48100c721cd87c07ec9397b2ff2eda76ae Mon Sep 17 00:00:00 2001
From: Johann <johannkoenig@google.com>
Date: Wed, 7 Jun 2017 12:25:05 -0700
Subject: [PATCH] buffer.h: Only allow Init() to be called once.

Change-Id: I041c8b6f314802833c5287a176dbfeec9461b08e
---
 test/buffer.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/buffer.h b/test/buffer.h
index 8fbab2270..ec4dfbe7b 100644
--- a/test/buffer.h
+++ b/test/buffer.h
@@ -95,6 +95,7 @@ class Buffer {
   bool CheckValues(const Buffer<T> &a) const;
 
   bool Init() {
+    if (raw_buffer_ != NULL) return false;
     EXPECT_GT(width_, 0);
     EXPECT_GT(height_, 0);
     EXPECT_GE(top_padding_, 0);