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8210142: java.util.Calendar.clone() doesn't respect sharedZone flag

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Reviewed-by: rriggs
This commit is contained in:
Naoto Sato 2018-09-06 10:49:17 -07:00
parent 9d6230fe4e
commit d1958eeed1
2 changed files with 31 additions and 4 deletions
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6
src/java.base/share/classes/java/util/Calendar.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 1996, 2017, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1996, 2018, 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
@ -3326,7 +3326,9 @@ public abstract class Calendar implements Serializable, Cloneable, Comparable<Ca
other.stamp[i] = stamp[i];
other.isSet[i] = isSet[i];
}
other.zone = (TimeZone) zone.clone();
if (!sharedZone) {
other.zone = (TimeZone) zone.clone();
}
return other;
}
catch (CloneNotSupportedException e) {

29
test/jdk/java/util/Calendar/CalendarTest.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2018, 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
@ -23,9 +23,10 @@
/**
* @test
* @bug 4064654 4374886 4984320 4984574 4944795
* @bug 4064654 4374886 4984320 4984574 4944795 8210142
* @summary test for Calendar
* @library /java/text/testlib
* @modules java.base/java.util:+open
* @run main CalendarTest
* @key randomness
*/
@ -37,6 +38,7 @@ import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import java.lang.reflect.Field;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
@ -1176,6 +1178,29 @@ public class CalendarTest extends IntlTest {
TimeZone.setDefault(savedTimeZone);
}
}
public void TestClonedSharedZones() throws NoSuchFieldException, IllegalAccessException {
Field zone = Calendar.class.getDeclaredField("zone");
zone.setAccessible(true);
Field sharedZone = Calendar.class.getDeclaredField("sharedZone");
sharedZone.setAccessible(true);
// create a new calendar with any date, and clone it.
Calendar c1 = new GregorianCalendar();
Calendar c2 = (Calendar) c1.clone();
// c1 should have a shared zone
if (!sharedZone.getBoolean(c1)) {
errln("Failed : c1.sharedZone == false");
} else {
// c2 should have a shared zone too
if (!sharedZone.getBoolean(c2)) {
errln("Failed : c2.sharedZone == false");
} else if (zone.get(c1) != zone.get(c2)) {
errln("Failed : c1.zone != c2.zone");
}
}
}
}
//eof