add assert

ywelsch · ywelsch · commit a000339b34d9 · 2019-02-07T19:10:06.000+01:00
diff --git a/x-pack/plugin/ccr/src/main/java/org/elasticsearch/xpack/ccr/repository/CcrRepository.java b/x-pack/plugin/ccr/src/main/java/org/elasticsearch/xpack/ccr/repository/CcrRepository.java
@@ -456,6 +456,7 @@ protected void doRun() throws Exception {
                                             final long nanosPaused = ccrSettings.getRateLimiter().maybePause(actualChunkSize);
                                             throttleListener.accept(nanosPaused);
                                             final long newOffset = r.getOffset() + actualChunkSize;
+                                            assert newOffset <= fileToRecover.length();
                                             final boolean lastChunk = newOffset >= fileToRecover.length();
                                             multiFileWriter.writeFileChunk(fileToRecover.metadata(), r.getOffset(), r.getChunk(),
                                                 lastChunk);
