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8187649: ArrayIndexOutOfBoundsException in java.util.JapaneseImperialCalendar

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Reviewed-by: joehw, rriggs
This commit is contained in:
Naoto Sato 2021-05-27 13:18:34 +00:00
parent ec65cf8332
commit bea4109ef7
3 changed files with 46 additions and 10 deletions
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8
src/java.base/share/classes/java/util/JapaneseImperialCalendar.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2005, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -886,7 +886,7 @@ class JapaneseImperialCalendar extends Calendar {
} else if (nfd >= (month1 + monthLength)) {
nfd = month1 + monthLength - 1;
}
set(DAY_OF_MONTH, (int)(nfd - month1) + 1);
set(DAY_OF_MONTH, getCalendarDate(nfd).getDayOfMonth());
return;
}
@ -1458,7 +1458,7 @@ class JapaneseImperialCalendar extends Calendar {
CalendarDate d = gcal.newCalendarDate(TimeZone.NO_TIMEZONE);
d.setDate(date.getNormalizedYear(), date.getMonth(), 1);
int dayOfWeek = gcal.getDayOfWeek(d);
int monthLength = gcal.getMonthLength(d);
int monthLength = actualMonthLength();
dayOfWeek -= getFirstDayOfWeek();
if (dayOfWeek < 0) {
dayOfWeek += 7;
@ -2239,7 +2239,7 @@ class JapaneseImperialCalendar extends Calendar {
private int actualMonthLength() {
int length = jcal.getMonthLength(jdate);
int eraIndex = getTransitionEraIndex(jdate);
if (eraIndex == -1) {
if (eraIndex != -1) {
long transitionFixedDate = sinceFixedDates[eraIndex];
CalendarDate d = eras[eraIndex].getSinceDate();
if (transitionFixedDate <= cachedFixedDate) {

4
test/jdk/java/util/Calendar/CalendarTestScripts/JapaneseTests.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2018, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -24,7 +24,7 @@
/*
* @test
* @summary tests Japanese Calendar.
* @bug 4609228
* @bug 4609228 8187649
* @modules java.base/sun.util
* java.base/sun.util.calendar
* @compile

44
test/jdk/java/util/Calendar/CalendarTestScripts/japanese/japanese_roll.cts
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@ -435,12 +435,48 @@ test roll WEEK_OF_YEAR
check date BeforeMeiji $minyear Dec 25
test WEEK_OF_MONTH
# Needs to wait for 6191841 fix. (WEEK_OF_MONTH needs to change
# ERA and YEAR in a transition month.)
use jcal
clear all
# Make sure this test does not throw AIOOBE
set date Heisei 1 Aug 1
roll week_of_month 1
check date Heisei 1 Aug 8
# Check transition dates
set date Showa 64 Jan 7
roll week_of_month 1
check date Showa 64 Jan 7
roll week_of_month -1
check date Showa 64 Jan 7
set date Heisei 1 Jan 31
roll week_of_month 1
check date Heisei 1 Jan 10
roll week_of_month -1
check date Heisei 1 Jan 31
test DAY_OF_MONTH
# Needs to wait for 6191841 fix. (DAY_OF_MONTH needs to change
# ERA and YEAR in a transition month.)
use jcal
clear all
# Make sure this test does not throw AIOOBE
Set date Heisei 1 Aug 1
roll day_of_month 1
check date Heisei 1 Aug 2
# Check transition dates
set date Showa 64 Jan 7
roll day_of_month 1
check date Showa 64 Jan 1
roll day_of_month -1
check date Showa 64 Jan 7
set date Heisei 1 Jan 31
roll day_of_month 1
check date Heisei 1 Jan 8
roll day_of_month -1
check date Heisei 1 Jan 31
test DAY_OF_YEAR
use jcal