From 5578499d61f7838d732cee8075740e0797d4f0ef Mon Sep 17 00:00:00 2001
From: Simon Willnauer <simonw@apache.org>
Date: Mon, 11 May 2015 10:34:26 +0200
Subject: [PATCH] [TEST] Only corrupt translog header today we can't detecte
 truncation corruption

---
 .../org/elasticsearch/index/store/CorruptedTranslogTests.java  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/test/java/org/elasticsearch/index/store/CorruptedTranslogTests.java b/src/test/java/org/elasticsearch/index/store/CorruptedTranslogTests.java
index 13962d8d159..9b55cf2cb2e 100644
--- a/src/test/java/org/elasticsearch/index/store/CorruptedTranslogTests.java
+++ b/src/test/java/org/elasticsearch/index/store/CorruptedTranslogTests.java
@@ -35,6 +35,7 @@ import org.elasticsearch.common.settings.ImmutableSettings;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.index.shard.IndexShard;
 import org.elasticsearch.index.translog.Translog;
+import org.elasticsearch.index.translog.TranslogStreams;
 import org.elasticsearch.monitor.fs.FsStats;
 import org.elasticsearch.test.ElasticsearchIntegrationTest;
 import org.elasticsearch.test.engine.MockEngineSupport;
@@ -149,7 +150,7 @@ public class CorruptedTranslogTests extends ElasticsearchIntegrationTest {
                 fileToCorrupt = RandomPicks.randomFrom(getRandom(), files);
                 try (FileChannel raf = FileChannel.open(fileToCorrupt, StandardOpenOption.READ, StandardOpenOption.WRITE)) {
                     // read
-                    raf.position(randomIntBetween(0, (int) Math.min(Integer.MAX_VALUE, raf.size() - 1)));
+                    raf.position(randomIntBetween(0, (int) Math.min(TranslogStreams.LATEST.headerLength(), raf.size() - 1))); // only corrupt the header to ensure we actually fail
                     long filePointer = raf.position();
                     ByteBuffer bb = ByteBuffer.wrap(new byte[1]);
                     raf.read(bb);