content: /*
   * Copyright (C) 2017 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package androidx.test.services.shellexecutor;
  
  import static androidx.test.core.app.ApplicationProvider.getApplicationContext;
  import static junit.framework.Assert.fail;
  
  import android.os.RemoteException;
  import androidx.test.ext.junit.runners.AndroidJUnit4;
  import java.io.IOException;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  
  /** Unit tests for {@link ShellCommandClient}. */
  @RunWith(AndroidJUnit4.class)
  public class ShellCommandClientTest {
  
    @Test
    public void testBlankCommand()
        throws ClientNotConnected, IOException, RemoteException, InterruptedException {
      try {
        ShellCommandClient.execOnServer(getApplicationContext(), "secret", "", null, null, false, 0L);
        fail("Passing blank command should throw IllegalArgumentException");
      } catch (IllegalArgumentException expected) {
        // Pass
      }
    }
  
    @Test
    public void testNullCommand()
        throws ClientNotConnected, IOException, RemoteException, InterruptedException {
      try {
        ShellCommandClient.execOnServer(
            getApplicationContext(), "secret", null, null, null, false, 0L);
        fail("Passing null command should throw IllegalArgumentException");
      } catch (IllegalArgumentException expected) {
        // Pass
      }
    }
  
    @Test
    public void testShellClientNoRunOnMainThread()
        throws ClientNotConnected, IOException, RemoteException, InterruptedException {
      try {
        ShellCommandClient.execOnServer(
            getApplicationContext(), "secret", "command", null, null, false, 0L);
        fail("Calling execServer on main thread should throw exception");
      } catch (IllegalStateException expected) {
        // Pass
      }
    }
  }
  