Skip battery saver related tests on unsupported devices.

Bug: 133761301
Test: atest com.android.cts.net.HostsideRestrictBackgroundNetworkTests
Change-Id: Ifec84425febf38d732367fae6b43fa80c427c79f

tests/cts/hostside/app/src/com/android/cts/net/hostside/AbstractAppIdleTestCase.java

@@ -150,6 +150,11 @@ abstract class AbstractAppIdleTestCase extends AbstractRestrictBackgroundNetwork
     }
 
     public void testAppIdleNetworkAccess_whenCharging() throws Exception {
+        if (!isBatterySaverSupported()) {
+            Log.i(TAG, "Skipping " + getClass() + "." + getName()
+                    + "() because device does not support Battery saver mode");
+            return;
+        }
         if (!isSupported()) return;
 
         // Check that app is paroled when charging

tests/cts/hostside/app/src/com/android/cts/net/hostside/AbstractBatterySaverModeTestCase.java

@@ -16,6 +16,7 @@
 
 package com.android.cts.net.hostside;
 
+import android.text.TextUtils;
 import android.util.Log;
 
 /**
@@ -52,12 +53,19 @@ abstract class AbstractBatterySaverModeTestCase extends AbstractRestrictBackgrou
 
     @Override
     protected boolean isSupported() throws Exception {
-        boolean supported = isDozeModeEnabled();
-        if (!supported) {
-            Log.i(TAG, "Skipping " + getClass() + "." + getName()
-                    + "() because device does not support Doze Mode");
+        String unSupported = "";
+        if (!isDozeModeEnabled()) {
+            unSupported += "Doze mode,";
         }
-        return supported;
+        if (!isBatterySaverSupported()) {
+            unSupported += "Battery saver mode,";
+        }
+        if (!TextUtils.isEmpty(unSupported)) {
+            Log.i(TAG, "Skipping " + getClass() + "." + getName()
+                    + "() because device does not support " + unSupported);
+            return false;
+        }
+        return true;
     }
 
     /**

tests/cts/hostside/app/src/com/android/cts/net/hostside/AbstractRestrictBackgroundNetworkTestCase.java

@@ -34,6 +34,7 @@ import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.pm.PackageManager;
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
 import android.net.NetworkInfo.DetailedState;
@@ -43,12 +44,15 @@ import android.os.BatteryManager;
 import android.os.Binder;
 import android.os.Bundle;
 import android.os.SystemClock;
+import android.os.SystemProperties;
 import android.provider.Settings;
 import android.service.notification.NotificationListenerService;
 import android.test.InstrumentationTestCase;
 import android.text.TextUtils;
 import android.util.Log;
 
+import com.android.compatibility.common.util.BatteryUtils;
+
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.TimeUnit;
@@ -311,6 +315,10 @@ abstract class AbstractRestrictBackgroundNetworkTestCase extends Instrumentation
         return mSupported;
     }
 
+    protected boolean isBatterySaverSupported() {
+        return BatteryUtils.isBatterySaverSupported();
+    }
+
     /**
      * Asserts that an app always have access while on foreground or running a foreground service.
      *

tests/cts/hostside/app/src/com/android/cts/net/hostside/MixedModesTest.java

@@ -71,6 +71,11 @@ public class MixedModesTest extends AbstractRestrictBackgroundNetworkTestCase {
      * Tests all DS ON and BS ON scenarios from network-policy-restrictions.md on metered networks.
      */
     public void testDataAndBatterySaverModes_meteredNetwork() throws Exception {
+        if (!isBatterySaverSupported()) {
+            Log.i(TAG, "Skipping " + getClass() + "." + getName()
+                    + "() because device does not support Battery saver mode");
+            return;
+        }
         if (!isSupported()) return;
 
         Log.i(TAG, "testDataAndBatterySaverModes_meteredNetwork() tests");
@@ -141,6 +146,11 @@ public class MixedModesTest extends AbstractRestrictBackgroundNetworkTestCase {
      * networks.
      */
     public void testDataAndBatterySaverModes_nonMeteredNetwork() throws Exception {
+        if (!isBatterySaverSupported()) {
+            Log.i(TAG, "Skipping " + getClass() + "." + getName()
+                    + "() because device does not support Battery saver mode");
+            return;
+        }
         if (!isSupported()) return;
 
         if (!setUnmeteredNetwork()) {
@@ -206,6 +216,11 @@ public class MixedModesTest extends AbstractRestrictBackgroundNetworkTestCase {
      * are enabled.
      */
     public void testDozeAndBatterySaverMode_powerSaveWhitelists() throws Exception {
+        if (!isBatterySaverSupported()) {
+            Log.i(TAG, "Skipping " + getClass() + "." + getName()
+                    + "() because device does not support Battery saver mode");
+            return;
+        }
         if (!isSupported()) {
             return;
         }
@@ -285,6 +300,11 @@ public class MixedModesTest extends AbstractRestrictBackgroundNetworkTestCase {
     }
 
     public void testAppIdleAndBatterySaver_tempPowerSaveWhitelists() throws Exception {
+        if (!isBatterySaverSupported()) {
+            Log.i(TAG, "Skipping " + getClass() + "." + getName()
+                    + "() because device does not support Battery saver mode");
+            return;
+        }
         if (!isSupported()) {
             return;
         }
@@ -361,6 +381,11 @@ public class MixedModesTest extends AbstractRestrictBackgroundNetworkTestCase {
     }
 
     public void testAppIdleAndBatterySaver_tempPowerSaveAndAppIdleWhitelists() throws Exception {
+        if (!isBatterySaverSupported()) {
+            Log.i(TAG, "Skipping " + getClass() + "." + getName()
+                    + "() because device does not support Battery saver mode");
+            return;
+        }
         if (!isSupported()) {
             return;
         }