content: /*
  * Copyright 2014 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 com.example.android.cardview;
  
  import android.test.ActivityInstrumentationTestCase2;
  
  /**
   * Unit tests for CardView samples.
   */
  public class SampleTests extends ActivityInstrumentationTestCase2<CardViewActivity> {
  
      private CardViewActivity mActivity;
      private CardViewFragment mFragment;
  
      public SampleTests() {
          super(CardViewActivity.class);
      }
  
      @Override
      protected void setUp() throws Exception {
          super.setUp();
          mActivity = getActivity();
          mFragment = (CardViewFragment) mActivity.getFragmentManager().findFragmentById(R.id
                  .container);
      }
  
      public void testPreconditions() {
          assertNotNull(String.format("%s is null", CardViewActivity.class.getSimpleName()),
                  mActivity);
          assertNotNull(String.format("%s is null", CardViewFragment.class.getSimpleName()),
                  mFragment);
          assertNotNull("SeekBar for Radius is null", mFragment.mRadiusSeekBar);
          assertNotNull("SeekBar for Elevation is null", mFragment.mElevationSeekBar);
      }
  
      public void testRadiusSeekbarChangesRadiusOfCardView() {
          getInstrumentation().runOnMainSync(new Runnable() {
              @Override
              public void run() {
                  float radius = 50.0f;
                  mFragment.mRadiusSeekBar.setProgress((int) radius);
                  assertEquals(radius, mFragment.mCardView.getRadius());
              }
          });
      }
  
      public void testElevationSeekbarChangesElevationOfCardView() {
          getInstrumentation().runOnMainSync(new Runnable() {
              @Override
              public void run() {
                  float elevation = 40.0f;
                  mFragment.mElevationSeekBar.setProgress((int) elevation);
                  assertEquals(elevation, mFragment.mCardView.getElevation());
              }
          });
      }
  }