1 package com.xtremelabs.robolectric.shadows; 2 3 import static com.xtremelabs.robolectric.Robolectric.shadowOf; 4 import static org.junit.Assert.*; 5 6 import com.xtremelabs.robolectric.Robolectric; 7 import com.xtremelabs.robolectric.WithTestDefaultsRunner; 8 9 import org.junit.After; 10 import org.junit.Test; 11 import org.junit.runner.RunWith; 12 13 import android.os.HandlerThread; 14 import android.os.Looper; 15 16 @RunWith(WithTestDefaultsRunner.class) 17 public class HandlerThreadTest { 18 19 private HandlerThread handlerThread; 20 21 @After tearDown()22 public void tearDown() throws Exception { 23 // Try to ensure we've exited the thread at the end of each test 24 if ( handlerThread != null ) { 25 handlerThread.quit(); 26 handlerThread.join(); 27 } 28 } 29 30 @Test shouldReturnLooper()31 public void shouldReturnLooper() throws Exception { 32 handlerThread = new HandlerThread("test"); 33 handlerThread.start(); 34 assertNotNull(handlerThread.getLooper()); 35 assertNotSame(handlerThread.getLooper(), Robolectric.application.getMainLooper()); 36 } 37 38 @Test shouldReturnNullIfThreadHasNotBeenStarted()39 public void shouldReturnNullIfThreadHasNotBeenStarted() throws Exception { 40 handlerThread = new HandlerThread("test"); 41 assertNull(handlerThread.getLooper()); 42 } 43 44 @Test shouldQuitLooperAndThread()45 public void shouldQuitLooperAndThread() throws Exception { 46 handlerThread = new HandlerThread("test"); 47 handlerThread.start(); 48 assertTrue(handlerThread.isAlive()); 49 assertTrue(handlerThread.quit()); 50 handlerThread.join(); 51 assertFalse(handlerThread.isAlive()); 52 handlerThread = null; 53 } 54 55 @Test shouldStopThreadIfLooperIsQuit()56 public void shouldStopThreadIfLooperIsQuit() throws Exception { 57 handlerThread = new HandlerThread("test1"); 58 handlerThread.start(); 59 Looper looper = handlerThread.getLooper(); 60 assertFalse(shadowOf(looper).quit); 61 looper.quit(); 62 handlerThread.join(); 63 assertFalse(handlerThread.isAlive()); 64 assertTrue(shadowOf(looper).quit); 65 handlerThread = null; 66 } 67 68 @Test shouldCallOnLooperPrepared()69 public void shouldCallOnLooperPrepared() throws Exception { 70 final Boolean[] wasCalled = new Boolean[] { false }; 71 handlerThread = new HandlerThread("test") { 72 @Override 73 protected void onLooperPrepared() { 74 wasCalled[0] = true; 75 } 76 }; 77 handlerThread.start(); 78 assertNotNull(handlerThread.getLooper()); 79 assertTrue(wasCalled[0]); 80 } 81 } 82