122 lines
4.4 KiB
Java
122 lines
4.4 KiB
Java
/*
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* Copyright (c) 2014, 2019, 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 8044131
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* @summary Tests the hooks used for detecting idleness of the sjavac server.
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* @modules jdk.compiler/com.sun.tools.javac.main
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* jdk.compiler/com.sun.tools.sjavac.server
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* @build Wrapper
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* @run main Wrapper IdleShutdown
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*/
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import java.util.concurrent.atomic.AtomicLong;
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import com.sun.tools.javac.main.Main.Result;
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import com.sun.tools.sjavac.server.IdleResetSjavac;
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import com.sun.tools.sjavac.server.Sjavac;
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import com.sun.tools.sjavac.server.Terminable;
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public class IdleShutdown {
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final static long TEST_START = System.currentTimeMillis();
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final static long TIMEOUT_MS = 3000;
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public static void main(String[] args) throws InterruptedException {
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final AtomicLong timeoutTimestamp = new AtomicLong(-1);
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log("Starting IdleCallbackJavacService with timeout: " + TIMEOUT_MS);
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Sjavac service = new IdleResetSjavac(
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new NoopJavacService(),
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new Terminable() {
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public void shutdown(String msg) {
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// Record the idle timeout time
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log("Timeout detected");
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timeoutTimestamp.set(System.currentTimeMillis());
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}
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},
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TIMEOUT_MS);
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// Make sure it didn't timeout immediately
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if (timeoutTimestamp.get() != -1)
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throw new AssertionError("Premature timeout detected.");
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// Use Sjavac object and wait less than TIMEOUT_MS in between calls
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Thread.sleep(TIMEOUT_MS - 1000);
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log("Compiling");
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service.compile(new String[0]);
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Thread.sleep(TIMEOUT_MS - 1000);
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log("Compiling");
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service.compile(new String[0]);
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if (timeoutTimestamp.get() != -1)
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throw new AssertionError("Premature timeout detected.");
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long expectedTimeout = System.currentTimeMillis() + TIMEOUT_MS;
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// Wait for actual timeout
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log("Awaiting idle timeout");
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Thread.sleep(TIMEOUT_MS + 1000);
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// Check result
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if (timeoutTimestamp.get() == -1)
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throw new AssertionError("Timeout never occurred");
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long error = Math.abs(expectedTimeout - timeoutTimestamp.get());
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log("Timeout error: " + error + " ms");
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String timeoutFactorText = System.getProperty("test.timeout.factor", "1.0");
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double timeoutFactor = Double.parseDouble(timeoutFactorText);
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double allowedError = TIMEOUT_MS * 0.1 * timeoutFactor;
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if (error > allowedError) {
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throw new AssertionError("Timeout error too large, error is " + error +
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" milliseconds, we allowed " + allowedError + " milliseconds");
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}
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log("Shutting down");
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service.shutdown();
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}
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private static void log(String msg) {
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long logTime = System.currentTimeMillis() - TEST_START;
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System.out.printf("After %5d ms: %s%n", logTime, msg);
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}
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private static class NoopJavacService implements Sjavac {
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@Override
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public void shutdown() {
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}
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@Override
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public Result compile(String[] args) {
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// Attempt to trigger idle timeout during a call by sleeping
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try {
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Thread.sleep(TIMEOUT_MS + 1000);
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} catch (InterruptedException e) {
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}
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return Result.OK;
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}
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}
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}
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