hostsidetests/securitybulletin/test-apps/CVE-2021-0305/src/android/security/cts/CVE_2021_0305/DeviceTest.java

/*
 * Copyright (C) 2021 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 android.security.cts.CVE_2021_0305;

import org.junit.Before;
import org.junit.After;
import org.junit.Test;
import org.junit.runner.RunWith;

import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.os.SystemClock;
import android.util.Log;

import static androidx.test.core.app.ApplicationProvider.getApplicationContext;
import static androidx.test.platform.app.InstrumentationRegistry.getInstrumentation;
import androidx.test.filters.SdkSuppress;
import androidx.test.runner.AndroidJUnit4;
import androidx.test.uiautomator.By;
import androidx.test.uiautomator.UiDevice;
import androidx.test.uiautomator.UiObject2;
import androidx.test.uiautomator.Until;
import androidx.test.uiautomator.BySelector;

import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.notNullValue;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertFalse;

/**
 * Basic sample for unbundled UiAutomator.
 */
@RunWith(AndroidJUnit4.class)
public class DeviceTest {

  private static final String BASIC_SAMPLE_PACKAGE
          = "android.security.cts.CVE_2021_0305";
  private static final int LAUNCH_TIMEOUT_MS = 20000;
  private static final String STRING_TO_BE_TYPED = "UiAutomator";

  private UiDevice mDevice;

  @Before
  public void startMainActivityFromHomeScreen() {

    Log.d("CVE", "startMainActivityFromHomeScreen()");

    // Initialize UiDevice instance
    mDevice = UiDevice.getInstance(getInstrumentation());

    // Start from the home screen
    mDevice.pressHome();

    // Launch the blueprint app
    Context context = getApplicationContext();
    assertThat(context, notNullValue());
    PackageManager packageManager = context.getPackageManager();
    assertThat(packageManager, notNullValue());
    final Intent intent = packageManager.getLaunchIntentForPackage(BASIC_SAMPLE_PACKAGE);
    assertThat(intent, notNullValue());

    intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK); // Clear out any previous instances
    context.startActivity(intent);

    // Wait for the app to appear
    Log.d("CVE", "wait for the app to appear");
    mDevice.wait(Until.hasObject(By.pkg(BASIC_SAMPLE_PACKAGE).depth(0)), LAUNCH_TIMEOUT_MS);
    Log.d("CVE", "app appeared");
  }

  @After
  public void lastOperation(){
    Log.d("CVE", "lastOperation() wait 20s");
    SystemClock.sleep(20000);
    Log.d("CVE", "lastOperation() completed");
  }

  @Test
  public void testClick() {
    Log.d("CVE", "testClick()");
    boolean clicked = false;
    java.util.List<UiObject2> objects;
    BySelector selector = By.clickable(true);
    String button;

    //Detect "Test Button".
    //"Test Button" appears after onResume().
    //mDevice.wait(Until.hasObject(By.pkg(BASIC_SAMPLE_PACKAGE).depth(0)), LAUNCH_TIMEOUT_MS);
    //waits for onEnterAnimationComplete() to finish.
    //So we have LAUNCH_TIMEOUT_MS for the button to appear.
    //If the button it still not available then
    //we assume the button is obscured and the test passes.
    Log.d("CVE", "looking for clickable");
    objects = mDevice.findObjects(selector);
    for (UiObject2 o : objects) {
      button = o.getText();
      Log.d("CVE", "button:" + button);

      if(button==null){
        //check the next button
        continue;
      }

      switch(button){
        case "Test Button" :
          o.click();
          clicked=true;
          Log.i("CVE", "clicked: Test Button");
          break;
        default :
          //check the next button
          continue;
      }

      //A button this test is looking for just got pressed.
      //Ignore remaining buttons
      break;
    }

    Log.d("CVE", "testClick() end");
    assertFalse(clicked);
    Log.d("CVE", "testClick() passed");
  }
}