243 lines
8.2 KiB
Java
243 lines
8.2 KiB
Java
/*
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* Copyright (c) 1997, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4143459
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* @summary test Date
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* @run junit DateTest
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*/
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import java.text.*;
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import java.util.*;
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import org.junit.jupiter.api.Test;
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import static org.junit.jupiter.api.Assertions.fail;
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@SuppressWarnings("deprecation")
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public class DateTest
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{
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/**
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* @bug 4143459
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* Warning: Use TestDefaultZone() for complete testing of this bug.
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*/
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@Test
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public void TestDefaultZoneLite() {
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// Note: This test is redundant with TestDefaultZone(). It was added by
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// request to provide a short&sweet test for this bug. It does not test
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// all cases though, so IF THIS TEST PASSES, THE BUG MAY STILL BE
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// PRESENT. Use TestDefaultZone() to be sure.
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TimeZone save = TimeZone.getDefault();
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try {
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TimeZone.setDefault(TimeZone.getTimeZone("GMT"));
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Date d = new Date();
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d.setYear(98);
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d.setMonth(Calendar.JANUARY);
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d.setDate(1);
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d.setHours(6);
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TimeZone.setDefault(TimeZone.getTimeZone("PST"));
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if (d.getHours() != 22) {
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fail("Fail: Date.setHours()/getHours() ignoring default zone");
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}
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}
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finally { TimeZone.setDefault(save); }
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}
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/**
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* @bug 4143459
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*/
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@Test
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public void TestDefaultZone() {
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// Various problems can creep up, with the current implementation of Date,
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// when the default zone is changed.
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TimeZone saveZone = TimeZone.getDefault();
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try {
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Date d = new Date(); // Trigger static init
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Date ref = new Date(883634400000L); // This is Thu Jan 1 1998 6:00 am GMT
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String refstr = "Jan 1 1998 6:00";
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TimeZone GMT = TimeZone.getTimeZone("GMT");
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TimeZone PST = TimeZone.getTimeZone("PST");
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String[] names = { "year", "month", "date", "day of week", "hour", "offset" };
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int[] GMT_EXP = { 98, Calendar.JANUARY, 1, Calendar.THURSDAY - Calendar.SUNDAY, 6, 0 };
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int[] PST_EXP = { 97, Calendar.DECEMBER, 31, Calendar.WEDNESDAY - Calendar.SUNDAY, 22, 480 };
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// There are two cases to consider: a Date object with no Calendar
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// sub-object (most Date objects), and a Date object with a Calendar
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// sub-object. We make two passes to cover the two cases.
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for (int pass=0; pass<2; ++pass) {
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System.out.println(pass == 0 ? "Normal Date object" : "Date with Calendar sub-object");
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TimeZone.setDefault(GMT);
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d = new Date(refstr);
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if (pass == 1) {
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// Force creation of Calendar sub-object
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d.setYear(d.getYear());
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}
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if (d.getTime() != ref.getTime()) {
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fail("FAIL: new Date(\"" + refstr + "\") x GMT -> " + d +
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" " + d.getTime() + " ms");
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}
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int[] fields = { d.getYear(), d.getMonth(), d.getDate(),
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d.getDay(), d.getHours(), d.getTimezoneOffset() };
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for (int i=0; i<fields.length; ++i) {
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if (fields[i] != GMT_EXP[i]) {
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fail("FAIL: GMT Expected " + names[i] + " of " + GMT_EXP[i] +
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", got " + fields[i]);
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}
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}
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TimeZone.setDefault(PST);
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int[] fields2 = { d.getYear(), d.getMonth(), d.getDate(),
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d.getDay(), d.getHours(), d.getTimezoneOffset() };
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for (int i=0; i<fields2.length; ++i) {
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if (fields2[i] != PST_EXP[i]) {
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fail("FAIL: PST Expected " + names[i] + " of " + PST_EXP[i] +
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", got " + fields2[i]);
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}
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}
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}
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}
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finally {
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TimeZone.setDefault(saveZone);
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}
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}
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// Test the performance of Date
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@Test
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public void TestPerformance592()
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{
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int REPS = 500;
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// Do timing test with Date
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long start = new Date().getTime();
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for (int i=0; i<REPS; ++i)
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{
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Date d = new Date();
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int y = d.getYear();
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}
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long ms = new Date().getTime() - start;
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double perLoop = ((double)ms) / REPS;
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System.out.println(REPS + " iterations at " + perLoop + " ms/loop");
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if (perLoop > PER_LOOP_LIMIT)
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System.out.println("WARNING: Date constructor/getYear slower than " +
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PER_LOOP_LIMIT + " ms");
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}
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static double PER_LOOP_LIMIT = 3.0;
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/**
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* Verify that the Date(String) constructor works.
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*/
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@Test
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public void TestParseOfGMT()
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{
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Date OUT = null;
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/* Input values */
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String stringVal = "Jan 01 00:00:00 GMT 1900";
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long expectedVal = -2208988800000L;
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OUT = new Date( stringVal );
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if( OUT.getTime( ) == expectedVal ) {
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// logln("PASS");
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}
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else {
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fail( "Expected: " +
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new Date( expectedVal ) +
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": " +
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expectedVal +
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" Received: " +
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OUT.toString() +
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": " +
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OUT.getTime() );
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}
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}
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// Check out Date's behavior with large negative year values; bug 664
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// As of the fix to bug 4056585, Date should work correctly with
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// large negative years.
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@Test
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public void TestDateNegativeYears()
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{
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Date d1= new Date(80,-1,2);
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System.out.println(d1.toString());
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d1= new Date(-80,-1,2);
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System.out.println(d1.toString());
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boolean e = false;
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try {
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d1= new Date(-800000,-1,2);
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System.out.println(d1.toString());
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}
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catch (IllegalArgumentException ex) {
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e = true;
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}
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if (e) fail("FAIL: Saw exception for year -800000");
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else System.out.println("Pass: No exception for year -800000");
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}
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// Verify the behavior of Date
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@Test
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public void TestDate480()
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{
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TimeZone save = TimeZone.getDefault();
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try {
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TimeZone.setDefault(TimeZone.getTimeZone("PST"));
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Date d1=new java.util.Date(97,8,13,10,8,13);
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System.out.println("d = "+d1);
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Date d2=new java.util.Date(97,8,13,30,8,13); // 20 hours later
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System.out.println("d+20h = "+d2);
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double delta = (d2.getTime() - d1.getTime()) / 3600000;
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System.out.println("delta = " + delta + "h");
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if (delta != 20.0) fail("Expected delta of 20; got " + delta);
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Calendar cal = Calendar.getInstance();
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cal.clear();
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cal.set(1997,8,13,10,8,13);
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Date t1 = cal.getTime();
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System.out.println("d = "+t1);
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cal.clear();
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cal.set(1997,8,13,30,8,13); // 20 hours later
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Date t2 = cal.getTime();
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System.out.println("d+20h = "+t2);
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double delta2 = (t2.getTime() - t1.getTime()) / 3600000;
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System.out.println("delta = " + delta2 + "h");
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if (delta != 20.0) fail("Expected delta of 20; got " + delta2);
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}
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finally {
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TimeZone.setDefault(save);
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}
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}
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}
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