1 /*
2 * Copyright (c) 2012, 2016, 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
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 String SRCDIR = System.getProperty("test.src", ".");
50 String tzdir = SRCDIR + File.separator + "tzdata";
51 String tzfiles = "africa antarctica asia australasia europe northamerica pacificnew southamerica backward etcetera systemv";
52 String jdk_tzdir = SRCDIR + File.separator + "tzdata_jdk";
53 String jdk_tzfiles = "gmt 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(Paths.get(tzdir, "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 + File.separator + f);
70 }
71 for (String f : jdk_tzfiles.split(" ")) {
72 alist.add(jdk_tzdir + File.separator + f);
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 if (! zi.equalsTo(ziOLD)) {
174 System.out.println(zi.diffsTo(ziOLD));
175 throw new RuntimeException(" FAILED: " + zid);
176 }
177 }
178 delete(fZidir);
179
180 // test tzdb version
181 if (!ver.equals(sun.util.calendar.ZoneInfoFile.getVersion())) {
182 System.out.printf(" FAILED: ver=%s, expected=%s%n",
183 sun.util.calendar.ZoneInfoFile.getVersion(), ver);
184 throw new RuntimeException("Version test failed");
185 }
186
187 // test getAvailableIDs(raw);
188 zids_new = TimeZone.getAvailableIDs(-8 * 60 * 60 * 1000);
189 //Arrays.sort(zids_new);
190 zids_old = ZoneInfoOld.getAvailableIDs(-8 * 60 * 60 * 1000);
191 if (!Arrays.equals(zids_new, zids_old)) {
192 System.out.println("------------------------");
193 System.out.println("NEW.getAvailableIDs(-8:00)");
194 for (String zid : zids_new) {
195 System.out.println(zid);
196 }
197 System.out.println("------------------------");
198 System.out.println("OLD.getAvailableIDs(-8:00)");
199 for (String zid : zids_old) {
200 System.out.println(zid);
201 }
202 throw new RuntimeException(" FAILED: availableIds(offset) don't match");
203 }
204 }
205
206 private static void delete(File f) {
207 if (f.isDirectory()) {
208 for (File f0 : f.listFiles()) {
209 delete(f0);
210 }
211 }
212 f.delete();
213 }
214
215 // to access sun.util.calendar.ZoneInfo's private fields
216 static Class<?> ziClz;
217 static Field rawOffset;
218 static Field checksum;
219 static Field dstSavings;
220 static Field transitions;
221 static Field offsets;
222 static Field simpleTimeZoneParams;
223 static Field willGMTOffsetChange;
224 static {
225 try {
226 ziClz = Class.forName("sun.util.calendar.ZoneInfo");
227 rawOffset = ziClz.getDeclaredField("rawOffset");
228 checksum = ziClz.getDeclaredField("checksum");
229 dstSavings = ziClz.getDeclaredField("dstSavings");
230 transitions = ziClz.getDeclaredField("transitions");
231 offsets = ziClz.getDeclaredField("offsets");
232 simpleTimeZoneParams = ziClz.getDeclaredField("simpleTimeZoneParams");
233 willGMTOffsetChange = ziClz.getDeclaredField("willGMTOffsetChange");
234 rawOffset.setAccessible(true);
235 checksum.setAccessible(true);
236 dstSavings.setAccessible(true);
237 transitions.setAccessible(true);
238 offsets.setAccessible(true);
239 simpleTimeZoneParams.setAccessible(true);
240 willGMTOffsetChange.setAccessible(true);
241 } catch (Exception x) {
242 throw new RuntimeException(x);
243 }
244 }
245
246 private static ZoneInfoOld toZoneInfoOld(TimeZone tz) throws Exception {
247 return new ZoneInfoOld(tz.getID(),
248 rawOffset.getInt(tz),
249 dstSavings.getInt(tz),
250 checksum.getInt(tz),
251 (long[])transitions.get(tz),
252 (int[])offsets.get(tz),
253 (int[])simpleTimeZoneParams.get(tz),
254 willGMTOffsetChange.getBoolean(tz));
255 }
256
257
258 }