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      1 package org.robolectric.shadows;
      2 
      3 import static com.google.common.truth.Truth.assertThat;
      4 import static java.nio.charset.StandardCharsets.UTF_8;
      5 import static org.robolectric.Shadows.shadowOf;
      6 
      7 import android.content.Context;
      8 import android.os.DropBoxManager;
      9 import android.os.DropBoxManager.Entry;
     10 import androidx.test.core.app.ApplicationProvider;
     11 import androidx.test.ext.junit.runners.AndroidJUnit4;
     12 import java.io.BufferedReader;
     13 import java.io.InputStreamReader;
     14 import org.junit.Before;
     15 import org.junit.Test;
     16 import org.junit.runner.RunWith;
     17 
     18 /** Unit tests for {@see ShadowDropboxManager}. */
     19 @RunWith(AndroidJUnit4.class)
     20 public class ShadowDropBoxManagerTest {
     21 
     22   private static final String TAG = "TAG";
     23   private static final String ANOTHER_TAG = "ANOTHER_TAG";
     24   private static final byte[] DATA = "HELLO WORLD".getBytes(UTF_8);
     25 
     26   private DropBoxManager manager;
     27   private ShadowDropBoxManager shadowDropBoxManager;
     28 
     29   @Before
     30   public void setup() {
     31     manager =
     32         (DropBoxManager)
     33             ApplicationProvider.getApplicationContext().getSystemService(Context.DROPBOX_SERVICE);
     34     shadowDropBoxManager = shadowOf(manager);
     35   }
     36 
     37   @Test
     38   public void emptyDropbox() {
     39     assertThat(manager.getNextEntry(null, 0)).isNull();
     40   }
     41 
     42   @Test
     43   public void dataExpected() throws Exception {
     44     shadowDropBoxManager.addData(TAG, 1, DATA);
     45 
     46     Entry entry = manager.getNextEntry(null, 0);
     47     assertThat(entry).isNotNull();
     48     assertThat(entry.getTag()).isEqualTo(TAG);
     49     assertThat(entry.getTimeMillis()).isEqualTo(1);
     50     assertThat(new BufferedReader(new InputStreamReader(entry.getInputStream(), UTF_8)).readLine())
     51         .isEqualTo(new String(DATA));
     52     assertThat(entry.getText(100)).isEqualTo(new String(DATA, UTF_8));
     53   }
     54 
     55   /** Checks that we retrieve the first entry <em>after</em> the specified time. */
     56   @Test
     57   public void dataNotExpected_timestampSameAsEntry() throws Exception {
     58     shadowDropBoxManager.addData(TAG, 1, DATA);
     59 
     60     assertThat(manager.getNextEntry(null, 1)).isNull();
     61   }
     62 
     63   @Test
     64   public void dataNotExpected_timestampAfterEntry() throws Exception {
     65     shadowDropBoxManager.addData(TAG, 1, DATA);
     66 
     67     assertThat(manager.getNextEntry(null, 2)).isNull();
     68   }
     69 
     70   @Test
     71   public void dataNotExpected_wrongTag() throws Exception {
     72     shadowDropBoxManager.addData(TAG, 1, DATA);
     73 
     74     assertThat(manager.getNextEntry(ANOTHER_TAG, 0)).isNull();
     75   }
     76 
     77   @Test
     78   public void dataExpectedWithSort() throws Exception {
     79     shadowDropBoxManager.addData(TAG, 3, DATA);
     80     shadowDropBoxManager.addData(TAG, 1, new byte[] {(byte) 0x0});
     81 
     82     Entry entry = manager.getNextEntry(null, 2);
     83     assertThat(entry).isNotNull();
     84     assertThat(entry.getText(100)).isEqualTo(new String(DATA, UTF_8));
     85     assertThat(entry.getTimeMillis()).isEqualTo(3);
     86   }
     87 
     88   @Test()
     89   public void resetClearsData() throws Exception {
     90     shadowDropBoxManager.addData(TAG, 1, DATA);
     91 
     92     shadowDropBoxManager.reset();
     93 
     94     assertThat(manager.getNextEntry(null, 0)).isNull();
     95   }
     96 }
     97