122 lines
4.4 KiB
Java
122 lines
4.4 KiB
Java
/*
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* Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4509255 5055567 6176318 7090844
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* @summary Tests consistencies of time zone IDs.
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*/
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Set;
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import java.util.TimeZone;
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import java.util.TreeMap;
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public class IDTest {
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public static void main(String[] args) {
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Set<String> ids = new HashSet<>();
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Map<Integer, Set<String>> tree = new TreeMap<>();
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String[] tzs = TimeZone.getAvailableIDs();
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String[] tzs2 = TimeZone.getAvailableIDs();
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if (tzs.length != tzs2.length) {
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throw new RuntimeException("tzs.length(" + tzs.length
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+ ") != tzs2.length(" + tzs2.length + ")");
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}
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for (int i = 0; i < tzs.length; i++) {
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if (tzs[i] != tzs2[i]) {
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throw new RuntimeException(i + ": " + tzs[i] + " != " + tzs2[i]);
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}
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}
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System.out.println("Total: " + tzs.length + " time zone IDs");
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for (String id : tzs) {
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ids.add(id);
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TimeZone tz = TimeZone.getTimeZone(id);
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Integer offset = tz.getRawOffset();
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Set<String> s = tree.get(offset);
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if (s == null) {
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s = new HashSet<>();
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tree.put(offset, s);
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}
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s.add(id);
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}
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for (Integer key : tree.keySet()) {
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Set<String> s1 = tree.get(key);
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// Make sure no duplicates in the other sets
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for (Integer k : tree.keySet()) {
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if (k.equals(key)) {
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continue;
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}
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Set<String> s2 = new HashSet<>(tree.get(k));
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s2.retainAll(s1);
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if (!s2.isEmpty()) {
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throw new RuntimeException("s1 included in the subset for " + (k.intValue()/60000) +
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" (" + s2 + " shouldn't be in s1)");
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}
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}
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// Check the getAvailableIDs(int) call to return the same
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// set of IDs
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int offset = key.intValue();
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tzs = TimeZone.getAvailableIDs(offset);
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tzs2 = TimeZone.getAvailableIDs(offset);
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if (!Arrays.equals(tzs, tzs2)) {
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throw new RuntimeException("inconsistent tzs from getAvailableIDs("+offset+")");
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}
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Set<String> s2 = new HashSet<>();
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s2.addAll(Arrays.asList(tzs));
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if (!s1.equals(s2)) {
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throw new RuntimeException("s1 != s2 for " + offset/60000 +
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" (diff=" + getDiff(s1, s2) + ")");
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}
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if (!ids.containsAll(s2)) {
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throw new RuntimeException("s2 isn't a subset of ids (" + getDiff(s2, ids) +
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" not in ids)");
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}
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}
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for (Integer key : tree.keySet()) {
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Set<String> s1 = tree.get(key);
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ids.removeAll(s1);
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}
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if (!ids.isEmpty()) {
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throw new RuntimeException("ids didn't become empty. (" + ids + ")");
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}
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}
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private static String getDiff(Set<String> set1, Set<String> set2) {
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Set<String> s1 = new HashSet<>(set1);
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s1.removeAll(set2);
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Set<String> s2 = new HashSet<>(set2);
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s2.removeAll(set1);
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s2.addAll(s1);
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return s2.toString();
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}
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}
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