1 /*
2 * Copyright (c) 1997, 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 4143459
27 * @summary test Date
28 * @library /java/text/testlib
29 */
30
31 import java.text.*;
32 import java.util.*;
33
34 @SuppressWarnings("deprecation")
35 public class DateTest extends IntlTest
36 {
37 public static void main(String[] args) throws Exception {
38 new DateTest().run(args);
39 }
40
41 /**
42 * @bug 4143459
43 * Warning: Use TestDefaultZone() for complete testing of this bug.
44 */
45 public void TestDefaultZoneLite() {
46 // Note: This test is redundant with TestDefaultZone(). It was added by
47 // request to provide a short&sweet test for this bug. It does not test
48 // all cases though, so IF THIS TEST PASSES, THE BUG MAY STILL BE
49 // PRESENT. Use TestDefaultZone() to be sure.
50 TimeZone save = TimeZone.getDefault();
51 try {
52 TimeZone.setDefault(TimeZone.getTimeZone("GMT"));
53 Date d = new Date();
54 d.setYear(98);
55 d.setMonth(Calendar.JANUARY);
56 d.setDate(1);
57 d.setHours(6);
58 TimeZone.setDefault(TimeZone.getTimeZone("PST"));
59 if (d.getHours() != 22) {
60 errln("Fail: Date.setHours()/getHours() ignoring default zone");
61 }
62 }
63 finally { TimeZone.setDefault(save); }
64 }
65
66 /**
67 * @bug 4143459
68 */
69 public void TestDefaultZone() {
70 // Various problems can creep up, with the current implementation of Date,
71 // when the default zone is changed.
72
73 TimeZone saveZone = TimeZone.getDefault();
74 try {
75
76 Date d = new Date(); // Trigger static init
77 Date ref = new Date(883634400000L); // This is Thu Jan 1 1998 6:00 am GMT
78 String refstr = "Jan 1 1998 6:00";
79 TimeZone GMT = TimeZone.getTimeZone("GMT");
80 TimeZone PST = TimeZone.getTimeZone("PST");
81
82 String[] names = { "year", "month", "date", "day of week", "hour", "offset" };
83 int[] GMT_EXP = { 98, Calendar.JANUARY, 1, Calendar.THURSDAY - Calendar.SUNDAY, 6, 0 };
84 int[] PST_EXP = { 97, Calendar.DECEMBER, 31, Calendar.WEDNESDAY - Calendar.SUNDAY, 22, 480 };
85
86 // There are two cases to consider: a Date object with no Calendar
87 // sub-object (most Date objects), and a Date object with a Calendar
88 // sub-object. We make two passes to cover the two cases.
89 for (int pass=0; pass<2; ++pass) {
90 logln(pass == 0 ? "Normal Date object" : "Date with Calendar sub-object");
91
92 TimeZone.setDefault(GMT);
93 d = new Date(refstr);
94 if (pass == 1) {
95 // Force creation of Calendar sub-object
96 d.setYear(d.getYear());
97 }
98 if (d.getTime() != ref.getTime()) {
99 errln("FAIL: new Date(\"" + refstr + "\") x GMT -> " + d +
100 " " + d.getTime() + " ms");
101 }
102
103 int[] fields = { d.getYear(), d.getMonth(), d.getDate(),
104 d.getDay(), d.getHours(), d.getTimezoneOffset() };
105 for (int i=0; i<fields.length; ++i) {
106 if (fields[i] != GMT_EXP[i]) {
107 errln("FAIL: GMT Expected " + names[i] + " of " + GMT_EXP[i] +
108 ", got " + fields[i]);
109 }
110 }
111
112 TimeZone.setDefault(PST);
113 int[] fields2 = { d.getYear(), d.getMonth(), d.getDate(),
114 d.getDay(), d.getHours(), d.getTimezoneOffset() };
115 for (int i=0; i<fields2.length; ++i) {
116 if (fields2[i] != PST_EXP[i]) {
117 errln("FAIL: PST Expected " + names[i] + " of " + PST_EXP[i] +
118 ", got " + fields2[i]);
119 }
120 }
121 }
122 }
123 finally {
124 TimeZone.setDefault(saveZone);
125 }
126 }
127
128 // Test the performance of Date
129 public void TestPerformance592()
130 {
131 int REPS = 500;
132
133 // Do timing test with Date
134 long start = new Date().getTime();
135 for (int i=0; i<REPS; ++i)
136 {
137 Date d = new Date();
138 int y = d.getYear();
139 }
140 long ms = new Date().getTime() - start;
141
142 double perLoop = ((double)ms) / REPS;
143 logln(REPS + " iterations at " + perLoop + " ms/loop");
144 if (perLoop > PER_LOOP_LIMIT)
145 logln("WARNING: Date constructor/getYear slower than " +
146 PER_LOOP_LIMIT + " ms");
147 }
148 static double PER_LOOP_LIMIT = 3.0;
149
150 /**
151 * Verify that the Date(String) constructor works.
152 */
153 public void TestParseOfGMT()
154 {
155 Date OUT = null;
156
157 /* Input values */
158 String stringVal = "Jan 01 00:00:00 GMT 1900";
159 long expectedVal = -2208988800000L;
160
161 OUT = new Date( stringVal );
162
163 if( OUT.getTime( ) == expectedVal ) {
164 // logln("PASS");
165 }
166 else {
167 errln( "Expected: " +
168 new Date( expectedVal ) +
169 ": " +
170 expectedVal +
171 " Received: " +
172 OUT.toString() +
173 ": " +
174 OUT.getTime() );
175 }
176 }
177
178 // Check out Date's behavior with large negative year values; bug 664
179 // As of the fix to bug 4056585, Date should work correctly with
180 // large negative years.
181 public void TestDateNegativeYears()
182 {
183 Date d1= new Date(80,-1,2);
184 logln(d1.toString());
185 d1= new Date(-80,-1,2);
186 logln(d1.toString());
187 boolean e = false;
188 try {
189 d1= new Date(-800000,-1,2);
190 logln(d1.toString());
191 }
192 catch (IllegalArgumentException ex) {
193 e = true;
194 }
195 if (e) errln("FAIL: Saw exception for year -800000");
196 else logln("Pass: No exception for year -800000");
197 }
198
199 // Verify the behavior of Date
200 public void TestDate480()
201 {
202 TimeZone save = TimeZone.getDefault();
203 try {
204 TimeZone.setDefault(TimeZone.getTimeZone("PST"));
205 Date d1=new java.util.Date(97,8,13,10,8,13);
206 logln("d = "+d1);
207 Date d2=new java.util.Date(97,8,13,30,8,13); // 20 hours later
208 logln("d+20h = "+d2);
209
210 double delta = (d2.getTime() - d1.getTime()) / 3600000;
211
212 logln("delta = " + delta + "h");
213
214 if (delta != 20.0) errln("Expected delta of 20; got " + delta);
215
216 Calendar cal = Calendar.getInstance();
217 cal.clear();
218 cal.set(1997,8,13,10,8,13);
219 Date t1 = cal.getTime();
220 logln("d = "+t1);
221 cal.clear();
222 cal.set(1997,8,13,30,8,13); // 20 hours later
223 Date t2 = cal.getTime();
224 logln("d+20h = "+t2);
225
226 double delta2 = (t2.getTime() - t1.getTime()) / 3600000;
227
228 logln("delta = " + delta2 + "h");
229
230 if (delta != 20.0) errln("Expected delta of 20; got " + delta2);
231 }
232 finally {
233 TimeZone.setDefault(save);
234 }
235 }
236 }