From 1292a35ec65f23a1ed9c453d25ef4e132390d9f3 Mon Sep 17 00:00:00 2001
From: olly <olly@google.com>
Date: Fri, 3 May 2019 13:14:38 +0100
Subject: [PATCH] Add a couple of assertions to DownloadManager set methods

PiperOrigin-RevId: 246491511
---
 .../google/android/exoplayer2/offline/DownloadManager.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/library/core/src/main/java/com/google/android/exoplayer2/offline/DownloadManager.java b/library/core/src/main/java/com/google/android/exoplayer2/offline/DownloadManager.java
index e8b7eaf9b2..3bf03dd3e8 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/offline/DownloadManager.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/offline/DownloadManager.java
@@ -306,9 +306,10 @@ public final class DownloadManager {
   /**
    * Sets the maximum number of parallel downloads.
    *
-   * @param maxParallelDownloads The maximum number of parallel downloads.
+   * @param maxParallelDownloads The maximum number of parallel downloads. Must be greater than 0.
    */
   public void setMaxParallelDownloads(int maxParallelDownloads) {
+    Assertions.checkArgument(maxParallelDownloads > 0);
     if (this.maxParallelDownloads == maxParallelDownloads) {
       return;
     }
@@ -334,6 +335,7 @@ public final class DownloadManager {
    * @param minRetryCount The minimum number of times that a download will be retried.
    */
   public void setMinRetryCount(int minRetryCount) {
+    Assertions.checkArgument(minRetryCount >= 0);
     if (this.minRetryCount == minRetryCount) {
       return;
     }