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-rw-r--r--test/java/util/Calendar/Limit.java64
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+/*
+ * Copyright (c) 1997, 2016, 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.util.*;
+import java.text.*;
+
+/**
+ * Test GregorianCalendar limits, which should not exist.
+ * @test
+ * @bug 4056585
+ * @summary Make sure that GregorianCalendar works far in the past and future.
+ * @author Alan Liu
+ */
+public class Limit {
+ static final long ONE_DAY = 24*60*60*1000L;
+
+ public static void main(String args[]) throws Exception {
+ GregorianCalendar c = new GregorianCalendar();
+ DateFormat fmt = new SimpleDateFormat("EEEE, MMMM dd, yyyy G", Locale.US);
+ long bigMillis = 300000000000000L;
+
+ try {
+ // We check two things:
+ // 1. That handling millis in the range of +/- bigMillis works.
+ // bigMillis is a value that used to blow up.
+ // 2. The round-trip format/parse works in these extreme areas.
+ c.setTime(new Date(-bigMillis));
+ String s = fmt.format(c.getTime());
+ Date d = fmt.parse(s);
+ if (Math.abs(d.getTime() + bigMillis) >= ONE_DAY) {
+ throw new Exception(s + " != " + fmt.format(d));
+ }
+
+ c.setTime(new Date(+bigMillis));
+ s = fmt.format(c.getTime());
+ d = fmt.parse(s);
+ if (Math.abs(d.getTime() - bigMillis) >= ONE_DAY) {
+ throw new Exception(s + " != " + fmt.format(d));
+ }
+ } catch (IllegalArgumentException | ParseException e) {
+ throw e;
+ }
+ }
+}