Wifi usability: Add IP reachability lost into Wifi unusable event

IP reachability is a strong indicator of Wi-Fi network quality. Extend
the WifiIsUnusableEvent list to include IP reachability lost.

Bug: 129282057
Test: frameworks/opt/net/wifi/tests/wifitests/runtests.sh

Change-Id: Ia759fc506a615e656aa6fa8493e4323d1e754646
Signed-off-by: Mingguang Xu <mingguangxu@google.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/wifitests/src/com/android/server/wifi/ClientModeImplTest.java b/tests/wifitests/src/com/android/server/wifi/ClientModeImplTest.java
index ca60c0dbe..b9ee6af5b 100644
--- a/tests/wifitests/src/com/android/server/wifi/ClientModeImplTest.java
+++ b/tests/wifitests/src/com/android/server/wifi/ClientModeImplTest.java
@@ -3401,4 +3401,21 @@ public class ClientModeImplTest {
         assertEquals(OP_PACKAGE_NAME,
                 mCmi.getWifiInfo().getNetworkSuggestionOrSpecifierPackageName());
     }
+
+    /**
+     * Verify that a WifiIsUnusableEvent is logged and the current list of usability stats entries
+     * are labeled and saved when receiving an IP reachability lost message.
+     * @throws Exception
+     */
+    @Test
+    public void verifyIpReachabilityLostMsgUpdatesWifiUsabilityMetrics() throws Exception {
+        connect();
+
+        mCmi.sendMessage(ClientModeImpl.CMD_IP_REACHABILITY_LOST);
+        mLooper.dispatchAll();
+        verify(mWifiMetrics).logWifiIsUnusableEvent(
+                WifiIsUnusableEvent.TYPE_IP_REACHABILITY_LOST);
+        verify(mWifiMetrics).addToWifiUsabilityStatsList(WifiUsabilityStats.LABEL_BAD,
+                WifiUsabilityStats.TYPE_IP_REACHABILITY_LOST);
+    }
 }