Merge "[Wi-Fi] Fix NetworkRequestErrorDialogFragment exception when rotation" into rvc-dev

src/com/android/settings/wifi/NetworkRequestErrorDialogFragment.java

@@ -25,6 +25,7 @@ import android.os.Bundle;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
+
 import com.android.settings.R;
 import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
 
@@ -44,10 +45,6 @@ public class NetworkRequestErrorDialogFragment extends InstrumentedDialogFragmen
         return new NetworkRequestErrorDialogFragment();
     }
 
-    private NetworkRequestErrorDialogFragment() {
-        super();
-    }
-
     @Override
     public void onCancel(@NonNull DialogInterface dialog) {
         super.onCancel(dialog);

tests/robotests/src/com/android/settings/wifi/NetworkRequestErrorDialogFragmentTest.java

@@ -17,6 +17,8 @@
 package com.android.settings.wifi;
 
 import static com.google.common.truth.Truth.assertThat;
+
+import static org.junit.Assert.fail;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
@@ -26,12 +28,15 @@ import android.content.DialogInterface;
 import android.net.wifi.WifiManager.NetworkRequestUserSelectionCallback;
 import android.os.Bundle;
 import android.widget.Button;
+
 import androidx.appcompat.app.AlertDialog;
+
 import com.android.settings.R;
 import com.android.settings.testutils.shadow.ShadowAlertDialogCompat;
 import com.android.settings.wifi.NetworkRequestErrorDialogFragment.ERROR_DIALOG_TYPE;
 import com.android.settingslib.wifi.WifiTracker;
 import com.android.settingslib.wifi.WifiTrackerFactory;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -57,6 +62,15 @@ public class NetworkRequestErrorDialogFragmentTest {
         mFragment.show(mActivity.getSupportFragmentManager(), null);
     }
 
+    @Test
+    public void getConstructor_shouldNotThrowNoSuchMethodException() {
+        try {
+            NetworkRequestErrorDialogFragment.class.getConstructor();
+        } catch (NoSuchMethodException e) {
+            fail("No default constructor for configuration change!");
+        }
+    }
+
     @Test
     public void display_shouldShowTimeoutDialog() {
         AlertDialog alertDialog = ShadowAlertDialogCompat.getLatestAlertDialog();