1 package com.xtremelabs.robolectric.shadows; 2 3 import static org.hamcrest.CoreMatchers.nullValue; 4 import static org.hamcrest.CoreMatchers.sameInstance; 5 import static org.junit.Assert.assertThat; 6 7 import org.junit.Before; 8 import org.junit.Test; 9 import org.junit.runner.RunWith; 10 11 import android.app.Activity; 12 import android.widget.SeekBar; 13 14 import com.xtremelabs.robolectric.Robolectric; 15 import com.xtremelabs.robolectric.WithTestDefaultsRunner; 16 import com.xtremelabs.robolectric.util.Transcript; 17 18 @RunWith(WithTestDefaultsRunner.class) 19 public class SeekBarTest { 20 21 private SeekBar seekBar; 22 private ShadowSeekBar shadow; 23 private SeekBar.OnSeekBarChangeListener listener; 24 private Transcript transcript; 25 26 @Before 27 public void setup() { 28 seekBar = new SeekBar(new Activity()); 29 shadow = Robolectric.shadowOf(seekBar); 30 listener = new TestSeekBarChangedListener(); 31 transcript = new Transcript(); 32 seekBar.setOnSeekBarChangeListener(listener); 33 } 34 35 @Test 36 public void testOnSeekBarChangedListener() { 37 assertThat(shadow.getOnSeekBarChangeListener(), sameInstance(listener)); 38 seekBar.setOnSeekBarChangeListener(null); 39 assertThat(shadow.getOnSeekBarChangeListener(), nullValue()); 40 } 41 42 @Test 43 public void testOnChangeNotification() { 44 seekBar.setProgress(5); 45 transcript.assertEventsSoFar("onProgressChanged() - 5"); 46 } 47 48 private class TestSeekBarChangedListener implements SeekBar.OnSeekBarChangeListener { 49 50 @Override 51 public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { 52 transcript.add("onProgressChanged() - " + progress); 53 } 54 55 @Override 56 public void onStartTrackingTouch(SeekBar seekBar) { 57 } 58 59 @Override 60 public void onStopTrackingTouch(SeekBar seekBar) { 61 } 62 } 63 } 64
