130 lines
6.5 KiB
Java
130 lines
6.5 KiB
Java
/*
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* Copyright (c) 2024, 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 8331646
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* @summary confirm that Calendar.add() works correctly with leap year calculations
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* @run junit CalendarLeapYearAddTest
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*/
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.Arguments;
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import org.junit.jupiter.params.provider.MethodSource;
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import java.util.Calendar;
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import java.util.GregorianCalendar;
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import java.util.Locale;
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import java.util.stream.Stream;
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import static java.util.Calendar.APRIL;
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import static java.util.Calendar.DATE;
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import static java.util.Calendar.DAY_OF_MONTH;
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import static java.util.Calendar.DAY_OF_WEEK;
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import static java.util.Calendar.DAY_OF_WEEK_IN_MONTH;
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import static java.util.Calendar.DAY_OF_YEAR;
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import static java.util.Calendar.FEBRUARY;
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import static java.util.Calendar.LONG;
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import static java.util.Calendar.MARCH;
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import static java.util.Calendar.MONTH;
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import static java.util.Calendar.WEEK_OF_YEAR;
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import static java.util.Calendar.YEAR;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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public class CalendarLeapYearAddTest {
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/**
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* 8331646 Calendar add for leap year
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*/
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@ParameterizedTest
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@MethodSource("calendarAddSource")
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public void testAddLeapYear(String testName, int calendarDate, int calendarMonth, int calendarYear,
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int value, int calendarField, int expectedDate, int expectedMonth,
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int expectedYear) {
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Calendar calendar = new GregorianCalendar(calendarYear, calendarMonth, calendarDate);
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calendar.add(calendarField, value);
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assertEquals(expectedDate, calendar.get(DATE), testName
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+ " Expected " + expectedDate + " of " + expectedMonth + expectedYear + " but got " + calendar.getTime());
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assertEquals(expectedMonth, calendar.get(MONTH), testName
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+ " Expected " + expectedMonth + " but got " + calendar.getDisplayName(MONTH, LONG, Locale.getDefault()));
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}
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/**
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* 8331646 Calendar month and year add/subtract for leap/non-leap year
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*/
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@Test
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public void testMonthYearAddSubtractNonLeapYear() {
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Calendar calendar = new GregorianCalendar(2024, FEBRUARY, 29);
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calendar.add(MONTH, 1);
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calendar.add(YEAR, -1);
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calendar.add(MONTH, -1);
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/* When month added date jumps to 29th of March 2024, after year subtracted date jumps to 29th of March 2023
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after month subtracted date jumps to 28th of Feb 2023 as non leap year
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*/
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assertEquals(28, calendar.get(DATE),
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"testMonthYearAddSubtractNonLeapYear Expected 28th of February 2024 but got " + calendar.getTime());
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assertEquals(FEBRUARY, calendar.get(MONTH),
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" testMonthYearAddSubtractNonLeapYear Expected February but got " + calendar.getDisplayName(MONTH, LONG, Locale.getDefault()));
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}
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/**
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* 8331646 Calendar add/subtract for leap year
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*/
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@ParameterizedTest
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@MethodSource("calendarAddSubtractSource")
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public void testAddSubtractLeapYear(String testName, int calendarDate, int calendarMonth, int calendarYear,
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int firstValue, int secondValue, int calendarField, int expectedDate,
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int expectedMonth, int expectedYear) {
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Calendar calendar = new GregorianCalendar(calendarYear, calendarMonth, calendarDate);
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calendar.add(calendarField, firstValue);
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calendar.add(calendarField, secondValue);
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assertEquals(expectedDate, calendar.get(DATE), testName
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+ " Expected " + expectedDate + " of " + expectedMonth + expectedYear + " but got " + calendar.getTime());
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assertEquals(expectedMonth, calendar.get(MONTH), testName
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+ " Expected " + expectedMonth + " but got " + calendar.getDisplayName(MONTH, LONG, Locale.getDefault()));
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}
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private static Stream<Arguments> calendarAddSubtractSource() {
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return Stream.of(
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Arguments.of("testMonthAddSubtractLeapYearReversed", 31, MARCH, 2024, -1, 1, MONTH, 29, MARCH, 2024),
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Arguments.of("testMonthAddSubtractLeapYear", 29, FEBRUARY, 2024, 1, -1, MONTH, 29, FEBRUARY, 2024),
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Arguments.of("testYearAddSubtractLeapYear", 29, FEBRUARY, 2024, 1, -1, YEAR, 28, FEBRUARY, 2024),
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Arguments.of("testDayOfYearAddSubtractLeapYear", 29, FEBRUARY, 2024, 365, -365, DAY_OF_YEAR, 29, FEBRUARY, 2024),
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Arguments.of("testDateAddSubtractLeapYear", 29, FEBRUARY, 2024, 365, -365, DATE, 29, FEBRUARY, 2024),
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Arguments.of("testWeekOfYearAddSubtractLeapYear", 29, FEBRUARY, 2024, 52, -52, WEEK_OF_YEAR, 29, FEBRUARY, 2024),
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Arguments.of("testDayOfMonthAddSubtractLeapYear", 29, FEBRUARY, 2024, 31, -31, DAY_OF_MONTH, 29, FEBRUARY, 2024),
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Arguments.of("testDayOfWeekInMonthAddSubtractLeapYear", 29, FEBRUARY, 2024, 6, -6, DAY_OF_WEEK_IN_MONTH, 29, FEBRUARY, 2024),
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Arguments.of("testDayOfWeekAddSubtractLeapYear", 29, FEBRUARY, 2024, 6, -6, DAY_OF_WEEK, 29, FEBRUARY, 2024)
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);
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}
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private static Stream<Arguments> calendarAddSource() {
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return Stream.of(
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Arguments.of("testMonthAddLeapYear", 29, FEBRUARY, 2024, 1, MONTH, 29, MARCH, 2024),
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Arguments.of("testOneMonthSubtractLeapYear", 31, MARCH, 2024, -1, MONTH, 29, FEBRUARY, 2024),
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Arguments.of("testTwoMonthSubtractLeapYear", 30, APRIL, 2024, -2, MONTH, 29, FEBRUARY, 2024)
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);
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}
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}
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