test/jdk/java/util/TimeZone/ZoneIdRoundTripTest.java - master - githubmirror/panama-vector

test/jdk/java/util/TimeZone/ZoneIdRoundTripTest.java
70 строк3 KB
Justin Lu
8373716: Refactor further java/util tests from TestNG to JUnit
17 дек 2025, 21:17
17 дек 2025, 21:174e05748
/*
 * Copyright (c) 2022, 2025, 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.
 */

import java.time.ZoneId;
import java.time.ZoneOffset;
import java.util.TimeZone;

import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.TestInstance;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;

/**
 * @test
 * @bug 8285844
 * @summary Checks round-trips between TimeZone and ZoneId are consistent
 * @run junit ZoneIdRoundTripTest
 */
@TestInstance(TestInstance.Lifecycle.PER_CLASS)
public class ZoneIdRoundTripTest {

    private Object[][] testZoneIds() {
        return new Object[][] {
                {ZoneId.of("Z"), 0},
                {ZoneId.of("UT"), 0},
                {ZoneId.of("UTC"), 0},
                {ZoneId.of("GMT"), 0},
                {ZoneId.of("+00:01"), 60_000},
                {ZoneId.of("-00:01"), -60_000},
                {ZoneId.of("+00:00:01"), 1_000},
                {ZoneId.of("-00:00:01"), -1_000},
                {ZoneId.of("UT+00:00:01"), 1_000},
                {ZoneId.of("UT-00:00:01"), -1_000},
                {ZoneId.of("UTC+00:00:01"), 1_000},
                {ZoneId.of("UTC-00:00:01"), -1_000},
                {ZoneId.of("GMT+00:00:01"), 1_000},
                {ZoneId.of("GMT-00:00:01"), -1_000},
                {ZoneOffset.of("+00:00:01"), 1_000},
                {ZoneOffset.of("-00:00:01"), -1_000},
        };
    }

    @ParameterizedTest
    @MethodSource("testZoneIds")
    public void test_ZoneIdRoundTrip(ZoneId zid, int offset) {
        var tz = TimeZone.getTimeZone(zid);
        assertEquals(offset, tz.getRawOffset());
        assertEquals(zid.normalized(), tz.toZoneId().normalized());
    }
}