diff --git a/services/tests/servicestests/Android.bp b/services/tests/servicestests/Android.bp
index 339a5f9..0ddb2b1 100644
--- a/services/tests/servicestests/Android.bp
+++ b/services/tests/servicestests/Android.bp
@@ -39,6 +39,7 @@
         "services.usage",
         "services.uwb",
         "guava",
+        "guava-android-testlib",
         "androidx.test.core",
         "androidx.test.ext.truth",
         "androidx.test.runner",
diff --git a/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceTest.java b/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceTest.java
index 6502e48..4673d8d 100644
--- a/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceTest.java
+++ b/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceTest.java
@@ -47,6 +47,8 @@
 import androidx.test.InstrumentationRegistry;
 import androidx.test.filters.SmallTest;
 
+import com.google.common.testing.EqualsTester;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -208,6 +210,24 @@
     }
 
     @Test
+    public void testEqualsActiveSource() {
+        int logicalAddress = 0;
+        int physicalAddress = 0x0000;
+        new EqualsTester()
+                .addEqualityGroup(
+                        new HdmiCecLocalDevice.ActiveSource(logicalAddress, physicalAddress),
+                        new HdmiCecLocalDevice.ActiveSource(logicalAddress, physicalAddress))
+                .addEqualityGroup(
+                        new HdmiCecLocalDevice.ActiveSource(logicalAddress, physicalAddress + 1))
+                .addEqualityGroup(
+                        new HdmiCecLocalDevice.ActiveSource(logicalAddress + 1, physicalAddress))
+                .addEqualityGroup(
+                        new HdmiCecLocalDevice.ActiveSource(
+                                logicalAddress + 1, physicalAddress + 1))
+                .testEquals();
+    }
+
+    @Test
     public void dispatchMessage_logicalAddressDoesNotMatch() {
         HdmiCecMessage msg =
                 new HdmiCecMessage(