/* * 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 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", "."); String SRCDIR = System.getProperty("test.src", "."); String tzdir = SRCDIR + File.separator + "tzdata"; String tzfiles = "africa antarctica asia australasia europe northamerica pacificnew southamerica backward etcetera systemv"; String jdk_tzdir = SRCDIR + File.separator + "tzdata_jdk"; String jdk_tzfiles = "gmt jdk11_backward"; String zidir = TESTDIR + File.separator + "zi"; File fZidir = new File(zidir); if (!fZidir.exists()) { fZidir.mkdirs(); } Matcher m = Pattern.compile("tzdata(?[0-9]{4}[A-z])") .matcher(new String(Files.readAllBytes(Paths.get(tzdir, "VERSION")), "ascii")); String ver = m.find() ? m.group("ver") : "NULL"; ArrayList alist = new ArrayList<>(); alist.add("-V"); alist.add(ver); alist.add("-d"); alist.add(zidir); for (String f : tzfiles.split(" ")) { alist.add(tzdir + File.separator + f); } for (String f : jdk_tzfiles.split(" ")) { alist.add(jdk_tzdir + File.separator + f); } 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. */ if (zid.equals("Africa/Casablanca") || zid.equals("Africa/El_Aaiun") || zid.equals("Asia/Tehran") || zid.equals("Iran")) { 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); 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)); } }