| /* |
| * Copyright (c) 2005, 2006, 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 5057341 6363898 |
| * @summary Basic tests for TimeUnit |
| * @author Martin Buchholz |
| */ |
| |
| import static java.util.concurrent.TimeUnit.DAYS; |
| import static java.util.concurrent.TimeUnit.HOURS; |
| import static java.util.concurrent.TimeUnit.MICROSECONDS; |
| import static java.util.concurrent.TimeUnit.MILLISECONDS; |
| import static java.util.concurrent.TimeUnit.MINUTES; |
| import static java.util.concurrent.TimeUnit.NANOSECONDS; |
| import static java.util.concurrent.TimeUnit.SECONDS; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.ObjectOutputStream; |
| import java.io.ObjectInputStream; |
| import java.util.Arrays; |
| import java.util.concurrent.TimeUnit; |
| |
| public class Basic { |
| private static void realMain(String[] args) throws Throwable { |
| |
| for (TimeUnit u : TimeUnit.values()) { |
| System.out.println(u); |
| check(u instanceof TimeUnit); |
| equal(42L, u.convert(42, u)); |
| for (TimeUnit v : TimeUnit.values()) |
| if (u.convert(42, v) >= 42) |
| equal(42L, v.convert(u.convert(42, v), u)); |
| check(readObject(serializedForm(u)) == u); |
| } |
| |
| equal( 24L, HOURS.convert (1, DAYS)); |
| equal( 60L, MINUTES.convert (1, HOURS)); |
| equal( 60L, SECONDS.convert (1, MINUTES)); |
| equal(1000L, MILLISECONDS.convert(1, SECONDS)); |
| equal(1000L, MICROSECONDS.convert(1, MILLISECONDS)); |
| equal(1000L, NANOSECONDS.convert (1, MICROSECONDS)); |
| |
| equal( 24L, DAYS.toHours(1)); |
| equal( 60L, HOURS.toMinutes(1)); |
| equal( 60L, MINUTES.toSeconds(1)); |
| equal(1000L, SECONDS.toMillis(1)); |
| equal(1000L, MILLISECONDS.toMicros(1)); |
| equal(1000L, MICROSECONDS.toNanos(1)); |
| |
| long t0 = System.nanoTime(); |
| MILLISECONDS.sleep(3); /* See windows bug 6313903, might not sleep */ |
| long elapsedMillis = (System.nanoTime() - t0)/(1000L * 1000L); |
| System.out.printf("elapsed=%d%n", elapsedMillis); |
| check(elapsedMillis >= 0); |
| /* Might not sleep on windows: check(elapsedMillis >= 3); */ |
| check(elapsedMillis < 1000); |
| |
| //---------------------------------------------------------------- |
| // Tests for serialized form compatibility with previous release |
| //---------------------------------------------------------------- |
| byte[] serializedForm = /* Generated using tiger */ |
| {-84, -19, 0, 5, '~', 'r', 0, 29, 'j', 'a', 'v', 'a', '.', |
| 'u', 't', 'i', 'l', '.', 'c', 'o', 'n', 'c', 'u', 'r', 'r', 'e', |
| 'n', 't', '.', 'T', 'i', 'm', 'e', 'U', 'n', 'i', 't', 0, 0, |
| 0, 0, 0, 0, 0, 0, 18, 0, 0, 'x', 'r', 0, 14, |
| 'j', 'a', 'v', 'a', '.', 'l', 'a', 'n', 'g', '.', 'E', 'n', 'u', |
| 'm', 0, 0, 0, 0, 0, 0, 0, 0, 18, 0, 0, 'x', |
| 'p', 't', 0, 7, 'S', 'E', 'C', 'O', 'N', 'D', 'S', }; |
| check(Arrays.equals(serializedForm(SECONDS), serializedForm)); |
| } |
| |
| //--------------------- Infrastructure --------------------------- |
| static volatile int passed = 0, failed = 0; |
| static void pass() {passed++;} |
| static void fail() {failed++; Thread.dumpStack();} |
| static void fail(String msg) {System.out.println(msg); fail();} |
| static void unexpected(Throwable t) {failed++; t.printStackTrace();} |
| static void check(boolean cond) {if (cond) pass(); else fail();} |
| static void equal(Object x, Object y) { |
| if (x == null ? y == null : x.equals(y)) pass(); |
| else fail(x + " not equal to " + y);} |
| public static void main(String[] args) throws Throwable { |
| try {realMain(args);} catch (Throwable t) {unexpected(t);} |
| System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed); |
| if (failed > 0) throw new AssertionError("Some tests failed");} |
| static byte[] serializedForm(Object obj) throws IOException { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| new ObjectOutputStream(baos).writeObject(obj); |
| return baos.toByteArray(); |
| } |
| static Object readObject(byte[] bytes) |
| throws IOException, ClassNotFoundException { |
| InputStream is = new ByteArrayInputStream(bytes); |
| return new ObjectInputStream(is).readObject(); |
| } |
| } |