1 /* 2 * Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8007572 8008161 8157792 8212970 8224560 27 * @summary Test whether the TimeZone generated from JSR310 tzdb is the same 28 * as the one from the tz data from javazic 29 * @modules java.base/sun.util.calendar:+open 30 * @build BackEnd Checksum DayOfWeek Gen GenDoc Main Mappings Month 31 * Rule RuleDay RuleRec Simple TestZoneInfo310 Time Timezone 32 * TzIDOldMapping Zone ZoneInfoFile ZoneInfoOld ZoneRec Zoneinfo 33 * @run main TestZoneInfo310 34 */ 35 36 import java.io.File; 37 import java.lang.reflect.*; 38 import java.nio.file.*; 39 import java.util.*; 40 import java.util.regex.*; 41 import java.time.zone.*; 42 import java.time.ZoneId; 43 44 public class TestZoneInfo310 { 45 46 public static void main(String[] args) throws Throwable { 47 48 String TESTDIR = System.getProperty("test.dir", "."); 49 Path tzdir = Paths.get(System.getProperty("test.root"), 50 "..", "..", "make", "data", "tzdata"); 51 String tzfiles = "africa antarctica asia australasia europe northamerica pacificnew southamerica backward etcetera systemv gmt"; 52 Path jdk_tzdir = Paths.get(System.getProperty("test.src"), "tzdata_jdk"); 53 String jdk_tzfiles = "jdk11_backward"; 54 String zidir = TESTDIR + File.separator + "zi"; 55 File fZidir = new File(zidir); 56 if (!fZidir.exists()) { 57 fZidir.mkdirs(); 58 } 59 Matcher m = Pattern.compile("tzdata(?<ver>[0-9]{4}[A-z])") 60 .matcher(new String(Files.readAllBytes(tzdir.resolve("VERSION")), "ascii")); 61 String ver = m.find() ? m.group("ver") : "NULL"; 62 63 ArrayList<String> alist = new ArrayList<>(); 64 alist.add("-V"); 65 alist.add(ver); 66 alist.add("-d"); 67 alist.add(zidir); 68 for (String f : tzfiles.split(" ")) { 69 alist.add(tzdir.resolve(f).toString()); 70 } 71 for (String f : jdk_tzfiles.split(" ")) { 72 alist.add(jdk_tzdir.resolve(f).toString()); 73 } 74 System.out.println("Compiling tz files!"); 75 Main.main(alist.toArray(new String[alist.size()])); 76 77 ////////////////////////////////// 78 System.out.println("testing!"); 79 ZoneInfoFile.ziDir = zidir; 80 long t0, t1; 81 82 t0 = System.nanoTime(); 83 ZoneInfoOld.getTimeZone("America/Los_Angeles"); 84 t1 = System.nanoTime(); 85 System.out.printf("OLD.getZoneInfoOld()[1]=%d%n", (t1 - t0) / 1000); 86 87 t0 = System.nanoTime(); 88 ZoneInfoOld.getTimeZone("America/New_York"); 89 t1 = System.nanoTime(); 90 System.out.printf("OLD.getZoneInfoOld()[2]=%d%n", (t1 - t0) / 1000); 91 92 t0 = System.nanoTime(); 93 ZoneInfoOld.getTimeZone("America/Denver"); 94 t1 = System.nanoTime(); 95 System.out.printf("OLD.getZoneInfoOld()[3]=%d%n", (t1 - t0) / 1000); 96 97 t0 = System.nanoTime(); 98 String[] zids_old = ZoneInfoOld.getAvailableIDs(); 99 t1 = System.nanoTime(); 100 System.out.printf("OLD.getAvailableIDs()=%d, total=%d%n", 101 (t1 - t0) / 1000, zids_old.length); 102 Arrays.sort(zids_old); 103 104 t0 = System.nanoTime(); 105 String[] alias_old = ZoneInfoOld.getAliasTable() 106 .keySet().toArray(new String[0]); 107 t1 = System.nanoTime(); 108 System.out.printf("OLD.getAliasTable()=%d, total=%d%n", 109 (t1 - t0) / 1000, alias_old.length); 110 Arrays.sort(alias_old); 111 112 t0 = System.currentTimeMillis(); 113 for (String zid : zids_old) { 114 ZoneInfoOld.getTimeZone(zid); 115 } 116 t1 = System.currentTimeMillis(); 117 System.out.printf("OLD.TotalTZ()=%d (ms)%n", t1 - t0); 118 119 /* 120 t0 = System.nanoTime(); 121 ZoneId.of("America/Los_Angeles").getRules(); 122 t1 = System.nanoTime(); 123 System.out.printf("NEW.ZoneId.of()[1]=%d%n", (t1 - t0) / 1000); 124 */ 125 t0 = System.nanoTime(); 126 TimeZone tz = TimeZone.getTimeZone("America/Los_Angeles"); 127 t1 = System.nanoTime(); 128 System.out.printf("NEW.getTimeZone()[1]=%d%n", (t1 - t0) / 1000); 129 130 t0 = System.nanoTime(); 131 tz = TimeZone.getTimeZone("America/New_York"); 132 t1 = System.nanoTime(); 133 System.out.printf("NEW.getTimeZone()[2]=%d%n", (t1 - t0) / 1000); 134 135 t0 = System.nanoTime(); 136 tz = TimeZone.getTimeZone("America/Denver"); 137 t1 = System.nanoTime(); 138 System.out.printf("NEW.getTimeZone()[3]=%d%n", (t1 - t0) / 1000); 139 140 t0 = System.nanoTime(); 141 String[] zids_new = TimeZone.getAvailableIDs(); 142 t1 = System.nanoTime(); 143 System.out.printf("NEW.getAvailableIDs()=%d, total=%d%n", 144 (t1 - t0) / 1000, zids_new.length); 145 Arrays.sort(zids_new); 146 147 t0 = System.nanoTime(); 148 String[] alias_new = sun.util.calendar.ZoneInfo.getAliasTable() 149 .keySet().toArray(new String[0]); 150 t1 = System.nanoTime(); 151 System.out.printf("NEW.getAliasTable()=%d, total=%d%n", 152 (t1 - t0) / 1000, alias_new.length); 153 Arrays.sort(alias_new); 154 155 t0 = System.currentTimeMillis(); 156 for (String zid : zids_new) { 157 TimeZone.getTimeZone(zid); 158 } 159 t1 = System.currentTimeMillis(); 160 System.out.printf("NEW.TotalTZ()=%d (ms)%n", t1 - t0); 161 162 if (!Arrays.equals(zids_old, zids_new)) { 163 throw new RuntimeException(" FAILED: availableIds don't match"); 164 } 165 166 if (!Arrays.equals(alias_old, alias_new)) { 167 throw new RuntimeException(" FAILED: aliases don't match"); 168 } 169 170 for (String zid : zids_new) { 171 ZoneInfoOld zi = toZoneInfoOld(TimeZone.getTimeZone(zid)); 172 ZoneInfoOld ziOLD = (ZoneInfoOld)ZoneInfoOld.getTimeZone(zid); 173 /* 174 * Temporary ignoring the failing TimeZones which are having zone 175 * rules defined till year 2037 and/or above and have negative DST 176 * save time in IANA tzdata. This bug is tracked via JDK-8223388. 177 * 178 * These are the zones/rules that employ negative DST in vanguard 179 * format (as of 2019a): 180 * 181 * - Rule "Eire" 182 * - Rule "Morocco" 183 * - Rule "Namibia" 184 * - Zone "Europe/Prague" 185 * 186 * Tehran/Iran rule has rules beyond 2037, in which javazic assumes 187 * to be the last year. Thus javazic's rule is based on year 2037 188 * (Mar 20th/Sep 20th are the cutover dates), while the real rule 189 * has year 2087 where Mar 21st/Sep 21st are the cutover dates. 190 */ 191 if (zid.equals("Africa/Casablanca") || // uses "Morocco" rule 192 zid.equals("Africa/El_Aaiun") || // uses "Morocco" rule 193 zid.equals("Africa/Windhoek") || // uses "Namibia" rule 194 zid.equals("Eire") || 195 zid.equals("Europe/Bratislava") || // link to "Europe/Prague" 196 zid.equals("Europe/Dublin") || // uses "Eire" rule 197 zid.equals("Europe/Prague") || 198 zid.equals("Asia/Tehran") || // last rule mismatch 199 zid.equals("Iran")) { // last rule mismatch 200 continue; 201 } 202 if (! zi.equalsTo(ziOLD)) { 203 System.out.println(zi.diffsTo(ziOLD)); 204 throw new RuntimeException(" FAILED: " + zid); 205 } 206 } 207 delete(fZidir); 208 209 // test tzdb version 210 if (!ver.equals(sun.util.calendar.ZoneInfoFile.getVersion())) { 211 System.out.printf(" FAILED: ver=%s, expected=%s%n", 212 sun.util.calendar.ZoneInfoFile.getVersion(), ver); 213 throw new RuntimeException("Version test failed"); 214 } 215 216 // test getAvailableIDs(raw); 217 zids_new = TimeZone.getAvailableIDs(-8 * 60 * 60 * 1000); 218 //Arrays.sort(zids_new); 219 zids_old = ZoneInfoOld.getAvailableIDs(-8 * 60 * 60 * 1000); 220 if (!Arrays.equals(zids_new, zids_old)) { 221 System.out.println("------------------------"); 222 System.out.println("NEW.getAvailableIDs(-8:00)"); 223 for (String zid : zids_new) { 224 System.out.println(zid); 225 } 226 System.out.println("------------------------"); 227 System.out.println("OLD.getAvailableIDs(-8:00)"); 228 for (String zid : zids_old) { 229 System.out.println(zid); 230 } 231 throw new RuntimeException(" FAILED: availableIds(offset) don't match"); 232 } 233 } 234 235 private static void delete(File f) { 236 if (f.isDirectory()) { 237 for (File f0 : f.listFiles()) { 238 delete(f0); 239 } 240 } 241 f.delete(); 242 } 243 244 // to access sun.util.calendar.ZoneInfo's private fields 245 static Class<?> ziClz; 246 static Field rawOffset; 247 static Field checksum; 248 static Field dstSavings; 249 static Field transitions; 250 static Field offsets; 251 static Field simpleTimeZoneParams; 252 static Field willGMTOffsetChange; 253 static { 254 try { 255 ziClz = Class.forName("sun.util.calendar.ZoneInfo"); 256 rawOffset = ziClz.getDeclaredField("rawOffset"); 257 checksum = ziClz.getDeclaredField("checksum"); 258 dstSavings = ziClz.getDeclaredField("dstSavings"); 259 transitions = ziClz.getDeclaredField("transitions"); 260 offsets = ziClz.getDeclaredField("offsets"); 261 simpleTimeZoneParams = ziClz.getDeclaredField("simpleTimeZoneParams"); 262 willGMTOffsetChange = ziClz.getDeclaredField("willGMTOffsetChange"); 263 rawOffset.setAccessible(true); 264 checksum.setAccessible(true); 265 dstSavings.setAccessible(true); 266 transitions.setAccessible(true); 267 offsets.setAccessible(true); 268 simpleTimeZoneParams.setAccessible(true); 269 willGMTOffsetChange.setAccessible(true); 270 } catch (Exception x) { 271 throw new RuntimeException(x); 272 } 273 } 274 275 private static ZoneInfoOld toZoneInfoOld(TimeZone tz) throws Exception { 276 return new ZoneInfoOld(tz.getID(), 277 rawOffset.getInt(tz), 278 dstSavings.getInt(tz), 279 checksum.getInt(tz), 280 (long[])transitions.get(tz), 281 (int[])offsets.get(tz), 282 (int[])simpleTimeZoneParams.get(tz), 283 willGMTOffsetChange.getBoolean(tz)); 284 } 285 286 287 }