/* * Copyright (c) 2009, 2011, 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. */ /* @test * @bug 6844313 * @summary Unit test for java.nio.file.FileTime */ import java.nio.file.attribute.FileTime; import java.util.concurrent.TimeUnit; import static java.util.concurrent.TimeUnit.*; import java.util.Random; public class Basic { static final Random rand = new Random(); public static void main(String[] args) { long now = System.currentTimeMillis(); long tomorrowInDays = TimeUnit.DAYS.convert(now, MILLISECONDS) + 1; long yesterdayInDays = TimeUnit.DAYS.convert(now, MILLISECONDS) - 1; // equals eq(now, MILLISECONDS, now, MILLISECONDS); eq(now, MILLISECONDS, now*1000L, MICROSECONDS); neq(now, MILLISECONDS, 0, MILLISECONDS); neq(now, MILLISECONDS, 0, MICROSECONDS); // compareTo cmp(now, MILLISECONDS, now, MILLISECONDS, 0); cmp(now, MILLISECONDS, now*1000L, MICROSECONDS, 0); cmp(now, MILLISECONDS, now-1234, MILLISECONDS, 1); cmp(now, MILLISECONDS, now+1234, MILLISECONDS, -1); cmp(tomorrowInDays, DAYS, now, MILLISECONDS, 1); cmp(now, MILLISECONDS, tomorrowInDays, DAYS, -1); cmp(yesterdayInDays, DAYS, now, MILLISECONDS, -1); cmp(now, MILLISECONDS, yesterdayInDays, DAYS, 1); cmp(yesterdayInDays, DAYS, now, MILLISECONDS, -1); cmp(Long.MAX_VALUE, DAYS, Long.MAX_VALUE, NANOSECONDS, 1); cmp(Long.MAX_VALUE, DAYS, Long.MIN_VALUE, NANOSECONDS, 1); cmp(Long.MIN_VALUE, DAYS, Long.MIN_VALUE, NANOSECONDS, -1); cmp(Long.MIN_VALUE, DAYS, Long.MAX_VALUE, NANOSECONDS, -1); // to(TimeUnit) to(MILLISECONDS.convert(1, DAYS) - 1, MILLISECONDS); to(MILLISECONDS.convert(1, DAYS) + 0, MILLISECONDS); to(MILLISECONDS.convert(1, DAYS) + 1, MILLISECONDS); to(1, MILLISECONDS); to(0, MILLISECONDS); to(1, MILLISECONDS); to(MILLISECONDS.convert(-1, DAYS) - 1, MILLISECONDS); to(MILLISECONDS.convert(-1, DAYS) + 0, MILLISECONDS); to(MILLISECONDS.convert(-1, DAYS) + 1, MILLISECONDS); for (TimeUnit unit: TimeUnit.values()) { for (int i=0; i<100; i++) { to(rand.nextLong(), unit); } to(Long.MIN_VALUE, unit); to(Long.MAX_VALUE, unit); } // toString ts(1L, DAYS, "1970-01-02T00:00:00Z"); ts(1L, HOURS, "1970-01-01T01:00:00Z"); ts(1L, MINUTES, "1970-01-01T00:01:00Z"); ts(1L, SECONDS, "1970-01-01T00:00:01Z"); ts(1L, MILLISECONDS, "1970-01-01T00:00:00.001Z"); ts(1L, MICROSECONDS, "1970-01-01T00:00:00.000001Z"); ts(1L, NANOSECONDS, "1970-01-01T00:00:00.000000001Z"); ts(999999999L, NANOSECONDS, "1970-01-01T00:00:00.999999999Z"); ts(9999999999L, NANOSECONDS, "1970-01-01T00:00:09.999999999Z"); ts(-1L, DAYS, "1969-12-31T00:00:00Z"); ts(-1L, HOURS, "1969-12-31T23:00:00Z"); ts(-1L, MINUTES, "1969-12-31T23:59:00Z"); ts(-1L, SECONDS, "1969-12-31T23:59:59Z"); ts(-1L, MILLISECONDS, "1969-12-31T23:59:59.999Z"); ts(-1L, MICROSECONDS, "1969-12-31T23:59:59.999999Z"); ts(-1L, NANOSECONDS, "1969-12-31T23:59:59.999999999Z"); ts(-999999999L, NANOSECONDS, "1969-12-31T23:59:59.000000001Z"); ts(-9999999999L, NANOSECONDS, "1969-12-31T23:59:50.000000001Z"); ts(-62135596799999L, MILLISECONDS, "0001-01-01T00:00:00.001Z"); ts(-62135596800000L, MILLISECONDS, "0001-01-01T00:00:00Z"); ts(-62135596800001L, MILLISECONDS, "-0001-12-31T23:59:59.999Z"); ts(253402300799999L, MILLISECONDS, "9999-12-31T23:59:59.999Z"); ts(-377642044800001L, MILLISECONDS, "-9999-12-31T23:59:59.999Z"); // NTFS epoch in usec. ts(-11644473600000000L, MICROSECONDS, "1601-01-01T00:00:00Z"); // nulls try { FileTime.from(0L, null); throw new RuntimeException("NullPointerException expected"); } catch (NullPointerException npe) { } FileTime time = FileTime.fromMillis(now); if (time.equals(null)) throw new RuntimeException("should not be equal to null"); try { time.compareTo(null); throw new RuntimeException("NullPointerException expected"); } catch (NullPointerException npe) { } } static void cmp(long v1, TimeUnit u1, long v2, TimeUnit u2, int expected) { int result = FileTime.from(v1, u1).compareTo(FileTime.from(v2, u2)); if (result != expected) throw new RuntimeException("unexpected order"); } static void eq(long v1, TimeUnit u1, long v2, TimeUnit u2) { FileTime t1 = FileTime.from(v1, u1); FileTime t2 = FileTime.from(v2, u2); if (!t1.equals(t2)) throw new RuntimeException("not equal"); if (t1.hashCode() != t2.hashCode()) throw new RuntimeException("hashCodes should be equal"); } static void neq(long v1, TimeUnit u1, long v2, TimeUnit u2) { FileTime t1 = FileTime.from(v1, u1); FileTime t2 = FileTime.from(v2, u2); if (t1.equals(t2)) throw new RuntimeException("should not be equal"); } static void to(long v, TimeUnit unit) { FileTime t = FileTime.from(v, unit); for (TimeUnit u: TimeUnit.values()) { long result = t.to(u); long expected = u.convert(v, unit); if (result != expected) { throw new RuntimeException("unexpected result"); } } } static void ts(long v, TimeUnit unit, String expected) { String result = FileTime.from(v, unit).toString(); if (!result.equals(expected)) { System.err.format("FileTime.from(%d, %s).toString() failed\n", v, unit); System.err.format("Expected: %s\n", expected); System.err.format(" Got: %s\n", result); throw new RuntimeException(); } } }