jdk/test/jdk/java/util/TimeZone/AIXTzMappingTest.java
2026-06-10 17:22:23 +00:00

103 lines
3.5 KiB
Java

/*
* Copyright (c) 2026, 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
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*/
/* @test
* @bug 8380993
* @library /test/lib
* @summary Validates AIX timezone mapping behavior where POSIX TZ strings
* with comma-separated DST rules are truncated and mapped through tzmappings
* to the expected IANA timezone IDs.
* @requires os.family == "aix"
* @run main/othervm AIXTzMappingTest
*/
import java.util.TimeZone;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.process.OutputAnalyzer;
public class AIXTzMappingTest {
// POSIX TZ strings that should be mapped via tzmappings
private static final String TZ_CET = "CET-1CEST,M3.5.0,M10.5.0";
private static final String TZ_MEZ = "MEZ-1MESZ,M3.5.0,M10.5.0/3";
private static final String ID_PARIS = "Europe/Paris";
private static final String ID_BERLIN = "Europe/Berlin";
public static void main(String[] args) throws Throwable {
if (args.length == 0) {
runWithTZ(TZ_CET, ID_PARIS);
runWithTZ(TZ_MEZ, ID_BERLIN);
} else if (args.length == 1) {
runTZTest(args[0]);
} else {
throw new RuntimeException(
"Expected 0 or 1 arguments, got " + args.length);
}
}
private static void runWithTZ(String tz, String expectedId)
throws Throwable {
ProcessBuilder pb = ProcessTools.createTestJavaProcessBuilder(
"AIXTzMappingTest", expectedId);
pb.environment().put("TZ", tz);
OutputAnalyzer output = ProcessTools.executeProcess(pb);
output.shouldHaveExitValue(0);
}
/*
* On AIX, POSIX TZ strings such as:
* CET-1CEST,M3.5.0,M10.5.0
* MEZ-1MESZ,M3.5.0,M10.5.0/3
* are truncated at the comma and mapped through tzmappings to
* IANA timezone IDs.
*
* This test verifies that the expected IANA timezone ID is selected.
*/
private static void runTZTest(String expectedId) {
String tzStr = System.getenv("TZ");
if (tzStr == null) {
throw new RuntimeException(
"Got unexpected timezone information: TZ is null");
}
TimeZone tz = TimeZone.getDefault();
String tzId = tz.getID();
if (!expectedId.equals(tzId)) {
throw new RuntimeException(
"Expected timezone ID " + expectedId
+ " but got " + tzId
+ " for TZ=" + tzStr);
}
System.out.println(
"AIX timezone mapping test passed: "
+ tzId + " for TZ=" + tzStr);
}
}