test/jdk/sun/util/calendar/zi/TestZoneInfo310.java - platform/libcore - Git at Google

 /*
  * Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */

 /*
  * @test
  * @bug 8007572 8008161 8157792 8212970 8224560
  * @summary Test whether the TimeZone generated from JSR310 tzdb is the same
  * as the one from the tz data from javazic
  * @modules java.base/sun.util.calendar:+open
  * @build BackEnd Checksum DayOfWeek Gen GenDoc Main Mappings Month
  *        Rule RuleDay RuleRec Simple TestZoneInfo310 Time Timezone
  *        TzIDOldMapping Zone ZoneInfoFile ZoneInfoOld ZoneRec Zoneinfo
  * @run main TestZoneInfo310
  */

 import java.io.File;
 import java.lang.reflect.*;
 import java.nio.file.*;
 import java.util.*;
 import java.util.regex.*;
 import java.time.zone.*;
 import java.time.ZoneId;

 public class TestZoneInfo310 {

     public static void main(String[] args) throws Throwable {

         String TESTDIR = System.getProperty("test.dir", ".");
         Path tzdir = Paths.get(System.getProperty("test.root"),
             "..", "..", "make", "data", "tzdata");
         String tzfiles = "africa antarctica asia australasia europe northamerica southamerica backward etcetera gmt";
         Path jdk_tzdir = Paths.get(System.getProperty("test.src"), "tzdata_jdk");
         String jdk_tzfiles = "jdk11_backward";
         String zidir = TESTDIR + File.separator + "zi";
         File fZidir = new File(zidir);
         if (!fZidir.exists()) {
             fZidir.mkdirs();
         }
         Matcher m = Pattern.compile("tzdata(?<ver>[0-9]{4}[A-z])")
                            .matcher(new String(Files.readAllBytes(tzdir.resolve("VERSION")), "ascii"));
         String ver = m.find() ? m.group("ver") : "NULL";

         ArrayList<String> alist = new ArrayList<>();
         alist.add("-V");
         alist.add(ver);
         alist.add("-d");
         alist.add(zidir);
         for (String f : tzfiles.split(" ")) {
             alist.add(tzdir.resolve(f).toString());
         }
         for (String f : jdk_tzfiles.split(" ")) {
             alist.add(jdk_tzdir.resolve(f).toString());
         }
         System.out.println("Compiling tz files!");
         Main.main(alist.toArray(new String[alist.size()]));

         //////////////////////////////////
         System.out.println("testing!");
         ZoneInfoFile.ziDir = zidir;
         long t0, t1;

         t0 = System.nanoTime();
         ZoneInfoOld.getTimeZone("America/Los_Angeles");
         t1 = System.nanoTime();
         System.out.printf("OLD.getZoneInfoOld()[1]=%d%n", (t1 - t0) / 1000);

         t0 = System.nanoTime();
         ZoneInfoOld.getTimeZone("America/New_York");
         t1 = System.nanoTime();
         System.out.printf("OLD.getZoneInfoOld()[2]=%d%n", (t1 - t0) / 1000);

         t0 = System.nanoTime();
         ZoneInfoOld.getTimeZone("America/Denver");
         t1 = System.nanoTime();
         System.out.printf("OLD.getZoneInfoOld()[3]=%d%n", (t1 - t0) / 1000);

         t0 = System.nanoTime();
         String[] zids_old = ZoneInfoOld.getAvailableIDs();
         t1 = System.nanoTime();
         System.out.printf("OLD.getAvailableIDs()=%d, total=%d%n",
                           (t1 - t0) / 1000, zids_old.length);
         Arrays.sort(zids_old);

         t0 = System.nanoTime();
         String[] alias_old = ZoneInfoOld.getAliasTable()
                                  .keySet().toArray(new String[0]);
         t1 = System.nanoTime();
         System.out.printf("OLD.getAliasTable()=%d, total=%d%n",
                           (t1 - t0) / 1000, alias_old.length);
         Arrays.sort(alias_old);

         t0 = System.currentTimeMillis();
         for (String zid : zids_old) {
             ZoneInfoOld.getTimeZone(zid);
         }
         t1 = System.currentTimeMillis();
         System.out.printf("OLD.TotalTZ()=%d (ms)%n", t1 - t0);

 /*
         t0 = System.nanoTime();
         ZoneId.of("America/Los_Angeles").getRules();
         t1 = System.nanoTime();
         System.out.printf("NEW.ZoneId.of()[1]=%d%n", (t1 - t0) / 1000);
 */
         t0 = System.nanoTime();
         TimeZone tz = TimeZone.getTimeZone("America/Los_Angeles");
         t1 = System.nanoTime();
         System.out.printf("NEW.getTimeZone()[1]=%d%n", (t1 - t0) / 1000);

         t0 = System.nanoTime();
         tz = TimeZone.getTimeZone("America/New_York");
         t1 = System.nanoTime();
         System.out.printf("NEW.getTimeZone()[2]=%d%n", (t1 - t0) / 1000);

         t0 = System.nanoTime();
         tz = TimeZone.getTimeZone("America/Denver");
         t1 = System.nanoTime();
         System.out.printf("NEW.getTimeZone()[3]=%d%n", (t1 - t0) / 1000);

         t0 = System.nanoTime();
         String[] zids_new = TimeZone.getAvailableIDs();
         t1 = System.nanoTime();
         System.out.printf("NEW.getAvailableIDs()=%d, total=%d%n",
                           (t1 - t0) / 1000, zids_new.length);
         Arrays.sort(zids_new);

         t0 = System.nanoTime();
         String[] alias_new = sun.util.calendar.ZoneInfo.getAliasTable()
                                  .keySet().toArray(new String[0]);
         t1 = System.nanoTime();
         System.out.printf("NEW.getAliasTable()=%d, total=%d%n",
                           (t1 - t0) / 1000, alias_new.length);
         Arrays.sort(alias_new);

         t0 = System.currentTimeMillis();
         for (String zid : zids_new) {
             TimeZone.getTimeZone(zid);
         }
         t1 = System.currentTimeMillis();
         System.out.printf("NEW.TotalTZ()=%d (ms)%n", t1 - t0);

         if (!Arrays.equals(zids_old, zids_new)) {
             throw new RuntimeException("  FAILED:  availableIds don't match");
         }

         if (!Arrays.equals(alias_old, alias_new)) {
             throw new RuntimeException("  FAILED:  aliases don't match");
         }

         for (String zid : zids_new) {
             ZoneInfoOld zi = toZoneInfoOld(TimeZone.getTimeZone(zid));
             ZoneInfoOld ziOLD = (ZoneInfoOld)ZoneInfoOld.getTimeZone(zid);
             /*
              * Temporary ignoring the failing TimeZones which are having zone
              * rules defined till year 2037 and/or above and have negative DST
              * save time in IANA tzdata. This bug is tracked via JDK-8223388.
              *
              * These are the zones/rules that employ negative DST in vanguard
              * format (as of 2019a):
              *
              *  - Rule "Eire"
              *  - Rule "Morocco"
              *  - Rule "Namibia"
              *  - Zone "Europe/Prague"
              *
              * Tehran/Iran rule has rules beyond 2037, in which javazic assumes
              * to be the last year. Thus javazic's rule is based on year 2037
              * (Mar 20th/Sep 20th are the cutover dates), while the real rule
              * has year 2087 where Mar 21st/Sep 21st are the cutover dates.
              */
             if (zid.equals("Africa/Casablanca") || // uses "Morocco" rule
                 zid.equals("Africa/El_Aaiun") || // uses "Morocco" rule
                 zid.equals("Africa/Windhoek") || // uses "Namibia" rule
                 zid.equals("Eire") ||
                 zid.equals("Europe/Bratislava") || // link to "Europe/Prague"
                 zid.equals("Europe/Dublin") || // uses "Eire" rule
                 zid.equals("Europe/Prague") ||
                 zid.equals("Asia/Tehran") || // last rule mismatch
                 zid.equals("Iran")) { // last rule mismatch
                     continue;
             }
             if (! zi.equalsTo(ziOLD)) {
                 System.out.println(zi.diffsTo(ziOLD));
                 throw new RuntimeException("  FAILED:  " + zid);
             }
         }
         delete(fZidir);

         // test tzdb version
         if (!ver.equals(sun.util.calendar.ZoneInfoFile.getVersion())) {
             System.out.printf("  FAILED:  ver=%s, expected=%s%n",
                               sun.util.calendar.ZoneInfoFile.getVersion(), ver);
             throw new RuntimeException("Version test failed");
         }

         // test getAvailableIDs(raw);
         zids_new = TimeZone.getAvailableIDs(-8 * 60 * 60 * 1000);
         Arrays.sort(zids_new);
         zids_old = ZoneInfoOld.getAvailableIDs(-8 * 60 * 60 * 1000);
         Arrays.sort(zids_old);
         if (!Arrays.equals(zids_new, zids_old)) {
             System.out.println("------------------------");
             System.out.println("NEW.getAvailableIDs(-8:00)");
             for (String zid : zids_new) {
                 System.out.println(zid);
             }
             System.out.println("------------------------");
             System.out.println("OLD.getAvailableIDs(-8:00)");
             for (String zid : zids_old) {
                 System.out.println(zid);
             }
             throw new RuntimeException("  FAILED:  availableIds(offset) don't match");
         }
     }

     private static void delete(File f) {
         if (f.isDirectory()) {
             for (File f0 : f.listFiles()) {
                delete(f0);
             }
         }
         f.delete();
      }

     // to access sun.util.calendar.ZoneInfo's private fields
     static Class<?> ziClz;
     static Field rawOffset;
     static Field checksum;
     static Field dstSavings;
     static Field transitions;
     static Field offsets;
     static Field simpleTimeZoneParams;
     static Field willGMTOffsetChange;
     static {
         try {
             ziClz = Class.forName("sun.util.calendar.ZoneInfo");
             rawOffset = ziClz.getDeclaredField("rawOffset");
             checksum = ziClz.getDeclaredField("checksum");
             dstSavings = ziClz.getDeclaredField("dstSavings");
             transitions = ziClz.getDeclaredField("transitions");
             offsets = ziClz.getDeclaredField("offsets");
             simpleTimeZoneParams = ziClz.getDeclaredField("simpleTimeZoneParams");
             willGMTOffsetChange = ziClz.getDeclaredField("willGMTOffsetChange");
             rawOffset.setAccessible(true);
             checksum.setAccessible(true);
             dstSavings.setAccessible(true);
             transitions.setAccessible(true);
             offsets.setAccessible(true);
             simpleTimeZoneParams.setAccessible(true);
             willGMTOffsetChange.setAccessible(true);
         } catch (Exception x) {
             throw new RuntimeException(x);
         }
     }

     private static ZoneInfoOld toZoneInfoOld(TimeZone tz) throws Exception {
         return new ZoneInfoOld(tz.getID(),
                                rawOffset.getInt(tz),
                                dstSavings.getInt(tz),
                                checksum.getInt(tz),
                                (long[])transitions.get(tz),
                                (int[])offsets.get(tz),
                                (int[])simpleTimeZoneParams.get(tz),
                                willGMTOffsetChange.getBoolean(tz));
     }


 }
	/*
	* Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	/*
	* @test
	* @bug 8007572 8008161 8157792 8212970 8224560
	* @summary Test whether the TimeZone generated from JSR310 tzdb is the same
	* as the one from the tz data from javazic
	* @modules java.base/sun.util.calendar:+open
	* @build BackEnd Checksum DayOfWeek Gen GenDoc Main Mappings Month
	* Rule RuleDay RuleRec Simple TestZoneInfo310 Time Timezone
	* TzIDOldMapping Zone ZoneInfoFile ZoneInfoOld ZoneRec Zoneinfo
	* @run main TestZoneInfo310
	*/

	import java.io.File;
	import java.lang.reflect.*;
	import java.nio.file.*;
	import java.util.*;
	import java.util.regex.*;
	import java.time.zone.*;
	import java.time.ZoneId;

	public class TestZoneInfo310 {

	public static void main(String[] args) throws Throwable {

	String TESTDIR = System.getProperty("test.dir", ".");
	Path tzdir = Paths.get(System.getProperty("test.root"),
	"..", "..", "make", "data", "tzdata");
	String tzfiles = "africa antarctica asia australasia europe northamerica southamerica backward etcetera gmt";
	Path jdk_tzdir = Paths.get(System.getProperty("test.src"), "tzdata_jdk");
	String jdk_tzfiles = "jdk11_backward";
	String zidir = TESTDIR + File.separator + "zi";
	File fZidir = new File(zidir);
	if (!fZidir.exists()) {
	fZidir.mkdirs();
	}
	Matcher m = Pattern.compile("tzdata(?<ver>[0-9]{4}[A-z])")
	.matcher(new String(Files.readAllBytes(tzdir.resolve("VERSION")), "ascii"));
	String ver = m.find() ? m.group("ver") : "NULL";

	ArrayList<String> alist = new ArrayList<>();
	alist.add("-V");
	alist.add(ver);
	alist.add("-d");
	alist.add(zidir);
	for (String f : tzfiles.split(" ")) {
	alist.add(tzdir.resolve(f).toString());
	}
	for (String f : jdk_tzfiles.split(" ")) {
	alist.add(jdk_tzdir.resolve(f).toString());
	}
	System.out.println("Compiling tz files!");
	Main.main(alist.toArray(new String[alist.size()]));

	//////////////////////////////////
	System.out.println("testing!");
	ZoneInfoFile.ziDir = zidir;
	long t0, t1;

	t0 = System.nanoTime();
	ZoneInfoOld.getTimeZone("America/Los_Angeles");
	t1 = System.nanoTime();
	System.out.printf("OLD.getZoneInfoOld()[1]=%d%n", (t1 - t0) / 1000);

	t0 = System.nanoTime();
	ZoneInfoOld.getTimeZone("America/New_York");
	t1 = System.nanoTime();
	System.out.printf("OLD.getZoneInfoOld()[2]=%d%n", (t1 - t0) / 1000);

	t0 = System.nanoTime();
	ZoneInfoOld.getTimeZone("America/Denver");
	t1 = System.nanoTime();
	System.out.printf("OLD.getZoneInfoOld()[3]=%d%n", (t1 - t0) / 1000);

	t0 = System.nanoTime();
	String[] zids_old = ZoneInfoOld.getAvailableIDs();
	t1 = System.nanoTime();
	System.out.printf("OLD.getAvailableIDs()=%d, total=%d%n",
	(t1 - t0) / 1000, zids_old.length);
	Arrays.sort(zids_old);

	t0 = System.nanoTime();
	String[] alias_old = ZoneInfoOld.getAliasTable()
	.keySet().toArray(new String[0]);
	t1 = System.nanoTime();
	System.out.printf("OLD.getAliasTable()=%d, total=%d%n",
	(t1 - t0) / 1000, alias_old.length);
	Arrays.sort(alias_old);

	t0 = System.currentTimeMillis();
	for (String zid : zids_old) {
	ZoneInfoOld.getTimeZone(zid);
	}
	t1 = System.currentTimeMillis();
	System.out.printf("OLD.TotalTZ()=%d (ms)%n", t1 - t0);

	/*
	t0 = System.nanoTime();
	ZoneId.of("America/Los_Angeles").getRules();
	t1 = System.nanoTime();
	System.out.printf("NEW.ZoneId.of()[1]=%d%n", (t1 - t0) / 1000);
	*/
	t0 = System.nanoTime();
	TimeZone tz = TimeZone.getTimeZone("America/Los_Angeles");
	t1 = System.nanoTime();
	System.out.printf("NEW.getTimeZone()[1]=%d%n", (t1 - t0) / 1000);

	t0 = System.nanoTime();
	tz = TimeZone.getTimeZone("America/New_York");
	t1 = System.nanoTime();
	System.out.printf("NEW.getTimeZone()[2]=%d%n", (t1 - t0) / 1000);

	t0 = System.nanoTime();
	tz = TimeZone.getTimeZone("America/Denver");
	t1 = System.nanoTime();
	System.out.printf("NEW.getTimeZone()[3]=%d%n", (t1 - t0) / 1000);

	t0 = System.nanoTime();
	String[] zids_new = TimeZone.getAvailableIDs();
	t1 = System.nanoTime();
	System.out.printf("NEW.getAvailableIDs()=%d, total=%d%n",
	(t1 - t0) / 1000, zids_new.length);
	Arrays.sort(zids_new);

	t0 = System.nanoTime();
	String[] alias_new = sun.util.calendar.ZoneInfo.getAliasTable()
	.keySet().toArray(new String[0]);
	t1 = System.nanoTime();
	System.out.printf("NEW.getAliasTable()=%d, total=%d%n",
	(t1 - t0) / 1000, alias_new.length);
	Arrays.sort(alias_new);

	t0 = System.currentTimeMillis();
	for (String zid : zids_new) {
	TimeZone.getTimeZone(zid);
	}
	t1 = System.currentTimeMillis();
	System.out.printf("NEW.TotalTZ()=%d (ms)%n", t1 - t0);

	if (!Arrays.equals(zids_old, zids_new)) {
	throw new RuntimeException(" FAILED: availableIds don't match");
	}

	if (!Arrays.equals(alias_old, alias_new)) {
	throw new RuntimeException(" FAILED: aliases don't match");
	}

	for (String zid : zids_new) {
	ZoneInfoOld zi = toZoneInfoOld(TimeZone.getTimeZone(zid));
	ZoneInfoOld ziOLD = (ZoneInfoOld)ZoneInfoOld.getTimeZone(zid);
	/*
	* Temporary ignoring the failing TimeZones which are having zone
	* rules defined till year 2037 and/or above and have negative DST
	* save time in IANA tzdata. This bug is tracked via JDK-8223388.
	*
	* These are the zones/rules that employ negative DST in vanguard
	* format (as of 2019a):
	*
	* - Rule "Eire"
	* - Rule "Morocco"
	* - Rule "Namibia"
	* - Zone "Europe/Prague"
	*
	* Tehran/Iran rule has rules beyond 2037, in which javazic assumes
	* to be the last year. Thus javazic's rule is based on year 2037
	* (Mar 20th/Sep 20th are the cutover dates), while the real rule
	* has year 2087 where Mar 21st/Sep 21st are the cutover dates.
	*/
	if (zid.equals("Africa/Casablanca") \|\| // uses "Morocco" rule
	zid.equals("Africa/El_Aaiun") \|\| // uses "Morocco" rule
	zid.equals("Africa/Windhoek") \|\| // uses "Namibia" rule
	zid.equals("Eire") \|\|
	zid.equals("Europe/Bratislava") \|\| // link to "Europe/Prague"
	zid.equals("Europe/Dublin") \|\| // uses "Eire" rule
	zid.equals("Europe/Prague") \|\|
	zid.equals("Asia/Tehran") \|\| // last rule mismatch
	zid.equals("Iran")) { // last rule mismatch
	continue;
	}
	if (! zi.equalsTo(ziOLD)) {
	System.out.println(zi.diffsTo(ziOLD));
	throw new RuntimeException(" FAILED: " + zid);
	}
	}
	delete(fZidir);

	// test tzdb version
	if (!ver.equals(sun.util.calendar.ZoneInfoFile.getVersion())) {
	System.out.printf(" FAILED: ver=%s, expected=%s%n",
	sun.util.calendar.ZoneInfoFile.getVersion(), ver);
	throw new RuntimeException("Version test failed");
	}

	// test getAvailableIDs(raw);
	zids_new = TimeZone.getAvailableIDs(-8 * 60 * 60 * 1000);
	Arrays.sort(zids_new);
	zids_old = ZoneInfoOld.getAvailableIDs(-8 * 60 * 60 * 1000);
	Arrays.sort(zids_old);
	if (!Arrays.equals(zids_new, zids_old)) {
	System.out.println("------------------------");
	System.out.println("NEW.getAvailableIDs(-8:00)");
	for (String zid : zids_new) {
	System.out.println(zid);
	}
	System.out.println("------------------------");
	System.out.println("OLD.getAvailableIDs(-8:00)");
	for (String zid : zids_old) {
	System.out.println(zid);
	}
	throw new RuntimeException(" FAILED: availableIds(offset) don't match");
	}
	}

	private static void delete(File f) {
	if (f.isDirectory()) {
	for (File f0 : f.listFiles()) {
	delete(f0);
	}
	}
	f.delete();
	}

	// to access sun.util.calendar.ZoneInfo's private fields
	static Class<?> ziClz;
	static Field rawOffset;
	static Field checksum;
	static Field dstSavings;
	static Field transitions;
	static Field offsets;
	static Field simpleTimeZoneParams;
	static Field willGMTOffsetChange;
	static {
	try {
	ziClz = Class.forName("sun.util.calendar.ZoneInfo");
	rawOffset = ziClz.getDeclaredField("rawOffset");
	checksum = ziClz.getDeclaredField("checksum");
	dstSavings = ziClz.getDeclaredField("dstSavings");
	transitions = ziClz.getDeclaredField("transitions");
	offsets = ziClz.getDeclaredField("offsets");
	simpleTimeZoneParams = ziClz.getDeclaredField("simpleTimeZoneParams");
	willGMTOffsetChange = ziClz.getDeclaredField("willGMTOffsetChange");
	rawOffset.setAccessible(true);
	checksum.setAccessible(true);
	dstSavings.setAccessible(true);
	transitions.setAccessible(true);
	offsets.setAccessible(true);
	simpleTimeZoneParams.setAccessible(true);
	willGMTOffsetChange.setAccessible(true);
	} catch (Exception x) {
	throw new RuntimeException(x);
	}
	}

	private static ZoneInfoOld toZoneInfoOld(TimeZone tz) throws Exception {
	return new ZoneInfoOld(tz.getID(),
	rawOffset.getInt(tz),
	dstSavings.getInt(tz),
	checksum.getInt(tz),
	(long[])transitions.get(tz),
	(int[])offsets.get(tz),
	(int[])simpleTimeZoneParams.get(tz),
	willGMTOffsetChange.getBoolean(tz));
	}


	}