Test NetworkStack.getService

import static android.net.NetworkStack.checkNetworkStackPermission;

import static android.net.NetworkStack.checkNetworkStackPermissionOr;

import static org.junit.Assert.assertEquals;

import static org.junit.Assert.fail;

import static org.mockito.ArgumentMatchers.eq;

import static org.mockito.Mockito.any;

import static org.mockito.Mockito.when;

import android.content.Context;

import android.os.Build;

import android.os.IBinder;

import androidx.test.runner.AndroidJUnit4;

import com.android.testutils.DevSdkIgnoreRule;

import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo;

import org.junit.Before;

import org.junit.Rule;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.mockito.Mock;

public class NetworkStackTest {

    private static final String [] OTHER_PERMISSION = {"otherpermission1", "otherpermission2"};

    @Rule

    public DevSdkIgnoreRule mDevSdkIgnoreRule = new DevSdkIgnoreRule();

    @Mock Context mCtx;

    @Mock private IBinder mConnectorBinder;

    @Before public void setUp() throws Exception {

        MockitoAnnotations.initMocks(this);

        fail("Expect fail but permission granted.");

    }

    @Test @IgnoreUpTo(Build.VERSION_CODES.Q)

    public void testGetService() {

        NetworkStack.setServiceForTest(mConnectorBinder);

        assertEquals(NetworkStack.getService(), mConnectorBinder);

    }

}