From 8b5178beac7013fae4ffa1cb37ab2aa5a443ff3f Mon Sep 17 00:00:00 2001
From: Aaron Liu <aaronjli@google.com>
Date: Thu, 1 Dec 2022 18:48:18 -0800
Subject: [PATCH] Fix fatal exception in FakeBroadcastReceiver.

It seems like an exception is thrown because ArraySet is not
thread-safe.

Use a synchronized hash set for the receivers.

Fixes: 261099639
Test: atest KeyguardQuickAffordanceProviderTest
Change-Id: I39c43bb2d5dbdc6705b5dec4b362d75189c136d9
---
 .../com/android/systemui/broadcast/FakeBroadcastDispatcher.kt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/broadcast/FakeBroadcastDispatcher.kt b/packages/SystemUI/tests/utils/src/com/android/systemui/broadcast/FakeBroadcastDispatcher.kt
index 52e0c982cae0c..ad086ff9c664c 100644
--- a/packages/SystemUI/tests/utils/src/com/android/systemui/broadcast/FakeBroadcastDispatcher.kt
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/broadcast/FakeBroadcastDispatcher.kt
@@ -22,12 +22,12 @@ import android.content.IntentFilter
 import android.os.Handler
 import android.os.Looper
 import android.os.UserHandle
-import android.util.ArraySet
 import android.util.Log
 import com.android.systemui.SysuiTestableContext
 import com.android.systemui.broadcast.logging.BroadcastDispatcherLogger
 import com.android.systemui.dump.DumpManager
 import com.android.systemui.settings.UserTracker
+import java.util.concurrent.ConcurrentHashMap
 import java.util.concurrent.Executor
 
 class FakeBroadcastDispatcher(
@@ -50,7 +50,7 @@ class FakeBroadcastDispatcher(
         PendingRemovalStore(logger)
     ) {
 
-    val registeredReceivers = ArraySet<BroadcastReceiver>()
+    val registeredReceivers: MutableSet<BroadcastReceiver> = ConcurrentHashMap.newKeySet()
 
     override fun registerReceiverWithHandler(
         receiver: BroadcastReceiver,