From 4735b4c12fef1723b41ed022ac30340aaea1d372 Mon Sep 17 00:00:00 2001
From: Adrien Grand <jpountz@gmail.com>
Date: Sat, 14 Nov 2020 15:38:01 +0100
Subject: [PATCH] LUCENE-9378: Fix test failure.

---
 .../codecs/lucene80/BaseLucene80DocValuesFormatTestCase.java   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lucene/core/src/test/org/apache/lucene/codecs/lucene80/BaseLucene80DocValuesFormatTestCase.java b/lucene/core/src/test/org/apache/lucene/codecs/lucene80/BaseLucene80DocValuesFormatTestCase.java
index 35c07bf2af7..b5851c44cc5 100644
--- a/lucene/core/src/test/org/apache/lucene/codecs/lucene80/BaseLucene80DocValuesFormatTestCase.java
+++ b/lucene/core/src/test/org/apache/lucene/codecs/lucene80/BaseLucene80DocValuesFormatTestCase.java
@@ -31,6 +31,7 @@ import org.apache.lucene.analysis.MockAnalyzer;
 import org.apache.lucene.codecs.DocValuesFormat;
 import org.apache.lucene.codecs.PostingsFormat;
 import org.apache.lucene.codecs.asserting.AssertingCodec;
+import org.apache.lucene.codecs.perfield.PerFieldDocValuesFormat;
 import org.apache.lucene.document.BinaryDocValuesField;
 import org.apache.lucene.document.Document;
 import org.apache.lucene.document.Field;
@@ -278,7 +279,7 @@ public abstract class BaseLucene80DocValuesFormatTestCase extends BaseCompressin
     conf.setMergeScheduler(new SerialMergeScheduler());
     // set to duel against a codec which has ordinals:
     final PostingsFormat pf = TestUtil.getPostingsFormatWithOrds(random());
-    final DocValuesFormat dv = getCodec().docValuesFormat();
+    final DocValuesFormat dv = ((PerFieldDocValuesFormat) getCodec().docValuesFormat()).getDocValuesFormatForField("random_field_name");
     conf.setCodec(new AssertingCodec() {
       @Override
       public PostingsFormat getPostingsFormatForField(String field) {