1 /* 2 * Copyright (c) 2012, 2013, 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 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 30 */ 31 32 import java.io.File; 33 import java.lang.reflect.*; 34 import java.nio.file.*; 35 import java.util.*; 36 import java.util.regex.*; 37 import java.time.zone.*; 38 import java.time.ZoneId; 39 40 public class TestZoneInfo310 { 41 42 public static void main(String[] args) throws Throwable { 43 44 String TESTDIR = System.getProperty("test.dir", "."); 45 String SRCDIR = System.getProperty("test.src", "."); 46 String tzdir = SRCDIR + File.separator + "tzdata"; 47 String tzfiles = "africa antarctica asia australasia europe northamerica pacificnew southamerica backward etcetera systemv"; 48 String jdk_tzdir = SRCDIR + File.separator + "tzdata_jdk"; 49 String jdk_tzfiles = "gmt jdk11_backward"; 50 String zidir = TESTDIR + File.separator + "zi"; 51 File fZidir = new File(zidir); 52 if (!fZidir.exists()) { 53 fZidir.mkdirs(); 54 } 55 Matcher m = Pattern.compile("tzdata(?<ver>[0-9]{4}[A-z])") 56 .matcher(new String(Files.readAllBytes(Paths.get(tzdir, "VERSION")), "ascii")); 57 String ver = m.find() ? m.group("ver") : "NULL"; 58 59 ArrayList<String> alist = new ArrayList<>(); 60 alist.add("-V"); 61 alist.add(ver); 62 alist.add("-d"); 63 alist.add(zidir); 64 for (String f : tzfiles.split(" ")) { 65 alist.add(tzdir + File.separator + f); 66 } 67 for (String f : jdk_tzfiles.split(" ")) { 68 alist.add(jdk_tzdir + File.separator + f); 69 } 70 System.out.println("Compiling tz files!"); 71 Main.main(alist.toArray(new String[alist.size()])); 72 73 ////////////////////////////////// 74 System.out.println("testing!"); 75 ZoneInfoFile.ziDir = zidir; 76 long t0, t1; 77 78 t0 = System.nanoTime(); 79 ZoneInfoOld.getTimeZone("America/Los_Angeles"); 80 t1 = System.nanoTime(); 81 System.out.printf("OLD.getZoneInfoOld()[1]=%d%n", (t1 - t0) / 1000); 82 83 t0 = System.nanoTime(); 84 ZoneInfoOld.getTimeZone("America/New_York"); 85 t1 = System.nanoTime(); 86 System.out.printf("OLD.getZoneInfoOld()[2]=%d%n", (t1 - t0) / 1000); 87 88 t0 = System.nanoTime(); 89 ZoneInfoOld.getTimeZone("America/Denver"); 90 t1 = System.nanoTime(); 91 System.out.printf("OLD.getZoneInfoOld()[3]=%d%n", (t1 - t0) / 1000); 92 93 t0 = System.nanoTime(); 94 String[] zids_old = ZoneInfoOld.getAvailableIDs(); 95 t1 = System.nanoTime(); 96 System.out.printf("OLD.getAvailableIDs()=%d, total=%d%n", 97 (t1 - t0) / 1000, zids_old.length); 98 Arrays.sort(zids_old); 99 100 t0 = System.nanoTime(); 101 String[] alias_old = ZoneInfoOld.getAliasTable() 102 .keySet().toArray(new String[0]); 103 t1 = System.nanoTime(); 104 System.out.printf("OLD.getAliasTable()=%d, total=%d%n", 105 (t1 - t0) / 1000, alias_old.length); 106 Arrays.sort(alias_old); 107 108 t0 = System.currentTimeMillis(); 109 for (String zid : zids_old) { 110 ZoneInfoOld.getTimeZone(zid); 111 } 112 t1 = System.currentTimeMillis(); 113 System.out.printf("OLD.TotalTZ()=%d (ms)%n", t1 - t0); 114 115 /* 116 t0 = System.nanoTime(); 117 ZoneId.of("America/Los_Angeles").getRules(); 118 t1 = System.nanoTime(); 119 System.out.printf("NEW.ZoneId.of()[1]=%d%n", (t1 - t0) / 1000); 120 */ 121 t0 = System.nanoTime(); 122 TimeZone tz = TimeZone.getTimeZone("America/Los_Angeles"); 123 t1 = System.nanoTime(); 124 System.out.printf("NEW.getTimeZone()[1]=%d%n", (t1 - t0) / 1000); 125 126 t0 = System.nanoTime(); 127 tz = TimeZone.getTimeZone("America/New_York"); 128 t1 = System.nanoTime(); 129 System.out.printf("NEW.getTimeZone()[2]=%d%n", (t1 - t0) / 1000); 130 131 t0 = System.nanoTime(); 132 tz = TimeZone.getTimeZone("America/Denver"); 133 t1 = System.nanoTime(); 134 System.out.printf("NEW.getTimeZone()[3]=%d%n", (t1 - t0) / 1000); 135 136 t0 = System.nanoTime(); 137 String[] zids_new = TimeZone.getAvailableIDs(); 138 t1 = System.nanoTime(); 139 System.out.printf("NEW.getAvailableIDs()=%d, total=%d%n", 140 (t1 - t0) / 1000, zids_new.length); 141 Arrays.sort(zids_new); 142 143 t0 = System.nanoTime(); 144 String[] alias_new = sun.util.calendar.ZoneInfo.getAliasTable() 145 .keySet().toArray(new String[0]); 146 t1 = System.nanoTime(); 147 System.out.printf("NEW.getAliasTable()=%d, total=%d%n", 148 (t1 - t0) / 1000, alias_new.length); 149 Arrays.sort(alias_new); 150 151 t0 = System.currentTimeMillis(); 152 for (String zid : zids_new) { 153 TimeZone.getTimeZone(zid); 154 } 155 t1 = System.currentTimeMillis(); 156 System.out.printf("NEW.TotalTZ()=%d (ms)%n", t1 - t0); 157 158 if (!Arrays.equals(zids_old, zids_new)) { 159 throw new RuntimeException(" FAILED: availableIds don't match"); 160 } 161 162 if (!Arrays.equals(alias_old, alias_new)) { 163 throw new RuntimeException(" FAILED: aliases don't match"); 164 } 165 166 for (String zid : zids_new) { 167 ZoneInfoOld zi = toZoneInfoOld(TimeZone.getTimeZone(zid)); 168 ZoneInfoOld ziOLD = (ZoneInfoOld)ZoneInfoOld.getTimeZone(zid); 169 if (! zi.equalsTo(ziOLD)) { 170 System.out.println(zi.diffsTo(ziOLD)); 171 throw new RuntimeException(" FAILED: " + zid); 172 } 173 } 174 delete(fZidir); 175 176 // test tzdb version 177 if (!ver.equals(sun.util.calendar.ZoneInfoFile.getVersion())) { 178 System.out.printf(" FAILED: ver=%s, expected=%s%n", 179 sun.util.calendar.ZoneInfoFile.getVersion(), ver); 180 throw new RuntimeException("Version test failed"); 181 } 182 183 // test getAvailableIDs(raw); 184 zids_new = TimeZone.getAvailableIDs(-8 * 60 * 60 * 1000); 185 //Arrays.sort(zids_new); 186 zids_old = ZoneInfoOld.getAvailableIDs(-8 * 60 * 60 * 1000); 187 if (!Arrays.equals(zids_new, zids_old)) { 188 System.out.println("------------------------"); 189 System.out.println("NEW.getAvailableIDs(-8:00)"); 190 for (String zid : zids_new) { 191 System.out.println(zid); 192 } 193 System.out.println("------------------------"); 194 System.out.println("OLD.getAvailableIDs(-8:00)"); 195 for (String zid : zids_old) { 196 System.out.println(zid); 197 } 198 throw new RuntimeException(" FAILED: availableIds(offset) don't match"); 199 } 200 } 201 202 private static void delete(File f) { 203 if (f.isDirectory()) { 204 for (File f0 : f.listFiles()) { 205 delete(f0); 206 } 207 } 208 f.delete(); 209 } 210 211 // to access sun.util.calendar.ZoneInfo's private fields 212 static Class<?> ziClz; 213 static Field rawOffset; 214 static Field checksum; 215 static Field dstSavings; 216 static Field transitions; 217 static Field offsets; 218 static Field simpleTimeZoneParams; 219 static Field willGMTOffsetChange; 220 static { 221 try { 222 ziClz = Class.forName("sun.util.calendar.ZoneInfo"); 223 rawOffset = ziClz.getDeclaredField("rawOffset"); 224 checksum = ziClz.getDeclaredField("checksum"); 225 dstSavings = ziClz.getDeclaredField("dstSavings"); 226 transitions = ziClz.getDeclaredField("transitions"); 227 offsets = ziClz.getDeclaredField("offsets"); 228 simpleTimeZoneParams = ziClz.getDeclaredField("simpleTimeZoneParams"); 229 willGMTOffsetChange = ziClz.getDeclaredField("willGMTOffsetChange"); 230 rawOffset.setAccessible(true); 231 checksum.setAccessible(true); 232 dstSavings.setAccessible(true); 233 transitions.setAccessible(true); 234 offsets.setAccessible(true); 235 simpleTimeZoneParams.setAccessible(true); 236 willGMTOffsetChange.setAccessible(true); 237 } catch (Exception x) { 238 throw new RuntimeException(x); 239 } 240 } 241 242 private static ZoneInfoOld toZoneInfoOld(TimeZone tz) throws Exception { 243 return new ZoneInfoOld(tz.getID(), 244 rawOffset.getInt(tz), 245 dstSavings.getInt(tz), 246 checksum.getInt(tz), 247 (long[])transitions.get(tz), 248 (int[])offsets.get(tz), 249 (int[])simpleTimeZoneParams.get(tz), 250 willGMTOffsetChange.getBoolean(tz)); 251 } 252 253 254 }