From b3f485d7d9c08e39574b72a949166ee4834c3b24 Mon Sep 17 00:00:00 2001
From: olly <olly@google.com>
Date: Fri, 13 Dec 2019 18:16:59 +0000
Subject: [PATCH] Add an additional sanity check to FakeExtractorOutput

PiperOrigin-RevId: 285422885
---
 .../android/exoplayer2/testutil/FakeExtractorOutput.java      | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/testutils/src/main/java/com/google/android/exoplayer2/testutil/FakeExtractorOutput.java b/testutils/src/main/java/com/google/android/exoplayer2/testutil/FakeExtractorOutput.java
index 0e12bc31dd..7a62f29942 100644
--- a/testutils/src/main/java/com/google/android/exoplayer2/testutil/FakeExtractorOutput.java
+++ b/testutils/src/main/java/com/google/android/exoplayer2/testutil/FakeExtractorOutput.java
@@ -20,6 +20,7 @@ import static com.google.common.truth.Truth.assertWithMessage;
 
 import android.content.Context;
 import android.util.SparseArray;
+import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.extractor.ExtractorOutput;
 import com.google.android.exoplayer2.extractor.SeekMap;
 import java.io.File;
@@ -69,6 +70,9 @@ public final class FakeExtractorOutput implements ExtractorOutput, Dumper.Dumpab
 
   @Override
   public void seekMap(SeekMap seekMap) {
+    if (seekMap.isSeekable() && seekMap.getDurationUs() == C.TIME_UNSET) {
+      throw new IllegalStateException("SeekMap cannot be seekable and have an unknown duration");
+    }
     this.seekMap = seekMap;
   }