michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: package org.mozilla.gecko.background.common;
michael@0: 
michael@0: import java.text.SimpleDateFormat;
michael@0: import java.util.Locale;
michael@0: import java.util.TimeZone;
michael@0: 
michael@0: import junit.framework.TestCase;
michael@0: 
michael@0: import org.mozilla.gecko.background.common.DateUtils.DateFormatter;
michael@0: //import android.util.SparseArray;
michael@0: 
michael@0: public class TestDateUtils extends TestCase {
michael@0:   // Our old, correct implementation -- used to test the new one.
michael@0:   public static String getDateStringUsingFormatter(long time) {
michael@0:     final SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd", Locale.US);
michael@0:     format.setTimeZone(TimeZone.getTimeZone("UTC"));
michael@0:     return format.format(time);
michael@0:   }
michael@0: 
michael@0:   private void checkDateString(long time) {
michael@0:     assertEquals(getDateStringUsingFormatter(time),
michael@0:                  new DateUtils.DateFormatter().getDateString(time));
michael@0:   }
michael@0: 
michael@0:   public void testDateImplementations() {
michael@0:     checkDateString(1L);
michael@0:     checkDateString(System.currentTimeMillis());
michael@0:     checkDateString(1379118065844L);
michael@0:     checkDateString(1379110000000L);
michael@0:     for (long i = 0L; i < (2 * GlobalConstants.MILLISECONDS_PER_DAY); i += 11000) {
michael@0:       checkDateString(i);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   @SuppressWarnings("static-method")
michael@0:   public void testReuse() {
michael@0:     DateFormatter formatter = new DateFormatter();
michael@0:     long time = System.currentTimeMillis();
michael@0:     assertEquals(formatter.getDateString(time), formatter.getDateString(time));
michael@0:   }
michael@0: 
michael@0:   // Perf tests. Disabled until you need them.
michael@0:   /*
michael@0:   @SuppressWarnings("static-method")
michael@0:   public void testDateTiming() {
michael@0:     long start = 1379118000000L;
michael@0:     long end   = 1379118045844L;
michael@0: 
michael@0:     long t0 = android.os.SystemClock.elapsedRealtime();
michael@0:     for (long i = start; i < end; ++i) {
michael@0:       DateUtils.getDateString(i);
michael@0:     }
michael@0:     long t1 = android.os.SystemClock.elapsedRealtime();
michael@0:     System.err.println("CALENDAR: " + (t1 - t0));
michael@0: 
michael@0: 
michael@0:     t0 = android.os.SystemClock.elapsedRealtime();
michael@0:     for (long i = start; i < end; ++i) {
michael@0:       getDateStringFormatter(i);
michael@0:     }
michael@0:     t1 = android.os.SystemClock.elapsedRealtime();
michael@0:     System.err.println("FORMATTER: " + (t1 - t0));
michael@0:   }
michael@0: 
michael@0:   @SuppressWarnings("static-method")
michael@0:   public void testDayTiming() {
michael@0:     long start = 33 * 365;
michael@0:     long end   = start + 90;
michael@0:     int reps   = 1;
michael@0:     long t0 = android.os.SystemClock.elapsedRealtime();
michael@0:     for (long i = start; i < end; ++i) {
michael@0:       for (int j = 0; j < reps; ++j) {
michael@0:         DateUtils.getDateStringForDay(i);
michael@0:       }
michael@0:     }
michael@0:     long t1 = android.os.SystemClock.elapsedRealtime();
michael@0:     System.err.println("Non-memo: " + (t1 - t0));
michael@0:   }
michael@0:   */
michael@0: }