1 package org.robolectric.shadows; 2 3 import static org.assertj.core.api.Assertions.assertThat; 4 import static org.junit.Assert.assertFalse; 5 import static org.junit.Assert.assertTrue; 6 7 import android.os.SystemClock; 8 import org.junit.Test; 9 import org.junit.runner.RunWith; 10 import org.robolectric.Robolectric; 11 import org.robolectric.RobolectricTestRunner; 12 import org.robolectric.internal.bytecode.RobolectricInternals; 13 14 @RunWith(RobolectricTestRunner.class) 15 public class ShadowSystemClockTest { 16 @Test 17 public void shouldAllowForFakingOfTime() throws Exception { 18 assertThat(SystemClock.uptimeMillis()).isNotEqualTo(1000); 19 Robolectric.getForegroundThreadScheduler().advanceTo(1000); 20 assertThat(SystemClock.uptimeMillis()).isEqualTo(1000); 21 } 22 23 @Test 24 public void sleep() { 25 Robolectric.getForegroundThreadScheduler().advanceTo(1000); 26 SystemClock.sleep(34); 27 assertThat(SystemClock.uptimeMillis()).isEqualTo(1034); 28 } 29 30 @Test 31 public void testSetCurrentTime() { 32 Robolectric.getForegroundThreadScheduler().advanceTo(1000); 33 assertThat(ShadowSystemClock.now()).isEqualTo(1000); 34 assertTrue(SystemClock.setCurrentTimeMillis(1034)); 35 assertThat(ShadowSystemClock.now()).isEqualTo(1034); 36 assertFalse(SystemClock.setCurrentTimeMillis(1000)); 37 assertThat(ShadowSystemClock.now()).isEqualTo(1034); 38 } 39 40 @Test 41 public void shouldInterceptSystemTimeCalls() throws Throwable { 42 ShadowSystemClock.setNanoTime(3141592L); 43 long systemNanoTime = (Long) RobolectricInternals.intercept( 44 "java/lang/System/nanoTime()J", null, null, getClass()); 45 assertThat(systemNanoTime).isEqualTo(3141592L); 46 long systemMilliTime = (Long) RobolectricInternals.intercept( 47 "java/lang/System/currentTimeMillis()J", null, null, getClass()); 48 assertThat(systemMilliTime).isEqualTo(3L); 49 } 50 } 51
