diff --git a/src/windows/native/java/util/TimeZone_md.c b/src/windows/native/java/util/TimeZone_md.c index 5abc61c74f27579ea1eab71f005d8271637aa204..d29558c2924a30461e03bd1e812dafa1e142de31 100644 --- a/src/windows/native/java/util/TimeZone_md.c +++ b/src/windows/native/java/util/TimeZone_md.c @@ -165,6 +165,7 @@ static int getWinTimeZone(char *winZoneName, char *winMapID) WCHAR *stdNamePtr = tzi.StandardName; DWORD valueSize; DWORD timeType; + int isVista; /* * Get the current time zone setting of the platform. @@ -180,6 +181,7 @@ static int getWinTimeZone(char *winZoneName, char *winMapID) ver.dwOSVersionInfoSize = sizeof(ver); GetVersionEx(&ver); isNT = ver.dwPlatformId == VER_PLATFORM_WIN32_NT; + isVista = isNT && ver.dwMajorVersion >= 6; ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, WIN_CURRENT_TZ_KEY, 0, KEY_READ, (PHKEY)&hKey); @@ -202,8 +204,13 @@ static int getWinTimeZone(char *winZoneName, char *winMapID) ret = RegQueryValueExA(hKey, "DynamicDaylightTimeDisabled", NULL, &valueType, (LPBYTE) &val, &bufSize); } + if (ret == ERROR_SUCCESS) { - if (val == 1) { + int daylightSavingsUpdateDisabledOther = val == 1 && tzi.DaylightDate.wMonth != 0; + int daylightSavingsUpdateDisabledVista = val == 1; + int daylightSavingsUpdateDisabled = isVista ? daylightSavingsUpdateDisabledVista : daylightSavingsUpdateDisabledOther; + + if (daylightSavingsUpdateDisabled) { (void) RegCloseKey(hKey); customZoneName(tzi.Bias, winZoneName); return VALUE_GMTOFFSET; @@ -213,7 +220,7 @@ static int getWinTimeZone(char *winZoneName, char *winMapID) /* * Vista has the key for the current "Time Zones" entry. */ - if (isNT && ver.dwMajorVersion >= 6) { + if (isVista) { valueType = 0; bufSize = MAX_ZONE_CHAR; ret = RegQueryValueExA(hKey, "TimeZoneKeyName", NULL, diff --git a/test/java/util/TimeZone/DstTzTest.java b/test/java/util/TimeZone/DstTzTest.java new file mode 100644 index 0000000000000000000000000000000000000000..69cca60e11f8b3a30e26eaea592db249350d323e --- /dev/null +++ b/test/java/util/TimeZone/DstTzTest.java @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2012 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 + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * Portions Copyright (c) 2012 IBM Corporation + */ + +/* @test + * @bug 7094176 + * @summary Incorrect TimeZone display name when DST not applicable and + * disabled + * @run main DstTzTest + */ + +import java.util.TimeZone; + +/** + * Manaul steps: + * 1. In the Windows Date and Time Properties dialog, set the time zone to one that uses DST (e.g. Greenwich Mean Time). + * 2. Disable the 'Automatically adjust clock for Daylight Saving Changes' option. + * 3. Change the time zone to one that does not use DST (e.g. India Standard Time - (GMT+5:30) Chennai,Kolkata,Mumbai,New Delhi) + * 4. Compile and run the testcase + */ +public class DstTzTest { + public static void main(String[] args) throws Exception { + String expectedName = "India Standard Time"; + String tzName = TimeZone.getDefault().getDisplayName(); + System.out.println(tzName); + + if (!expectedName.equals(tzName)) { + throw new Exception("Expected time zone name is " + expectedName + ", output is " + tzName); + } + } +}