Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit daff1499 authored by Yisroel Forta's avatar Yisroel Forta
Browse files

AppStartInfo timestamp test 

Add a test that confirms that timestamps are added to the correct record.

Test: run new test
Bug: 338125667
Flag: EXEMPT - test only
Change-Id: Ic6de500d87fc3bab9232a4df6a1be2e346be7b00
parent e88fc394

services/tests/mockingservicestests/src/com/android/server/am/ApplicationStartInfoTest.java

+55 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ import static androidx.test.platform.app.InstrumentationRegistry.getInstrumentat 
import static com.android.server.am.ActivityManagerService.Injector;



import static org.junit.Assert.assertEquals;

import static org.junit.Assert.assertFalse;

import static org.junit.Assert.assertNotNull;

import static org.junit.Assert.assertNull;

import static org.junit.Assert.assertTrue;
@@ -625,6 +626,60 @@ public class ApplicationStartInfoTest { 
        assertTrue(startInfo.equals(startInfoFromParcel));

    }



    /** Test that new timestamps are added to the correct record (the most recently created one). */

    @Test

    public void testTimestampAddedToCorrectRecord() throws Exception {

        // Use a different start timestamp for each record so we can identify which was added to.

        final long startTimeRecord1 = 123L;

        final long startTimeRecord2 = 456L;



        final long forkTime = 789L;



        // Create a process record to use with all starts.

        ProcessRecord app = makeProcessRecord(

                APP_1_PID_1,                     // pid

                APP_1_UID,                       // uid

                APP_1_UID,                       // packageUid

                null,                            // definingUid

                APP_1_PROCESS_NAME,              // processName

                APP_1_PACKAGE_NAME);             // packageName



        // Trigger a start info record.

        mAppStartInfoTracker.handleProcessBroadcastStart(startTimeRecord1, app,

                buildIntent(COMPONENT), false /* isAlarm */);



        // Wait at least 1 ms for monotonic time to increase.

        sleep(1);



        // Verify the record was added successfully.

        ArrayList<ApplicationStartInfo> list = new ArrayList<ApplicationStartInfo>();

        mAppStartInfoTracker.getStartInfo(null, APP_1_UID, 0, 0, list);

        assertEquals(1, list.size());

        assertEquals(startTimeRecord1, list.get(0).getStartupTimestamps().get(0).longValue());



        // Now trigger another start info record.

        mAppStartInfoTracker.handleProcessBroadcastStart(startTimeRecord2, app,

                buildIntent(COMPONENT), false /* isAlarm */);



        // Add a timestamp to the most recent record.

        mAppStartInfoTracker.addTimestampToStart(

                app, forkTime, ApplicationStartInfo.START_TIMESTAMP_FORK);



        // Verify the record was added successfully.

        list.clear();

        mAppStartInfoTracker.getStartInfo(null, APP_1_UID, 0, 0, list);

        assertEquals(2, list.size());

        assertEquals(startTimeRecord2, list.get(0).getStartupTimestamps().get(0).longValue());

        assertEquals(startTimeRecord1, list.get(1).getStartupTimestamps().get(0).longValue());



        // Verify that the new timestamp is set correctly on the 2nd record that was added and not

        // on the first.

        assertEquals(forkTime, list.get(0).getStartupTimestamps()

                .get(ApplicationStartInfo.START_TIMESTAMP_FORK).longValue());

        assertFalse(list.get(1).getStartupTimestamps().containsKey(

                ApplicationStartInfo.START_TIMESTAMP_FORK));

    }



    private static <T> void setFieldValue(Class clazz, Object obj, String fieldName, T val) {

        try {

            Field field = clazz.getDeclaredField(fieldName);