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