From 5c2c3c5c63aecfb8fe4b31db10aa7c48933cdfbb Mon Sep 17 00:00:00 2001
From: eguven <eguven@google.com>
Date: Tue, 6 Jun 2017 05:31:42 -0700
Subject: [PATCH] Create a base class for DASH downloading related tests

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=158129802
---
 .../google/android/exoplayer2/upstream/cache/SimpleCache.java  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/library/core/src/main/java/com/google/android/exoplayer2/upstream/cache/SimpleCache.java b/library/core/src/main/java/com/google/android/exoplayer2/upstream/cache/SimpleCache.java
index bbff7dc4a2..2da6ba759b 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/upstream/cache/SimpleCache.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/upstream/cache/SimpleCache.java
@@ -110,7 +110,8 @@ public final class SimpleCache implements Cache {
   @Override
   public synchronized NavigableSet<CacheSpan> getCachedSpans(String key) {
     CachedContent cachedContent = index.get(key);
-    return cachedContent == null ? null : new TreeSet<CacheSpan>(cachedContent.getSpans());
+    return cachedContent == null || cachedContent.isEmpty() ? null
+        : new TreeSet<CacheSpan>(cachedContent.getSpans());
   }
 
   @Override