62 lines
2.3 KiB
Java
62 lines
2.3 KiB
Java
/*
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* Copyright (c) 2015, 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 TestPrintReferences
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* @bug 8136991
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* @summary Validate the reference processing logging
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* @key gc
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* @library /testlibrary
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* @modules java.base/sun.misc
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* java.management
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*/
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import jdk.test.lib.ProcessTools;
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import jdk.test.lib.OutputAnalyzer;
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public class TestPrintReferences {
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public static void main(String[] args) throws Exception {
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ProcessBuilder pb_enabled =
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ProcessTools.createJavaProcessBuilder("-XX:+PrintGCDetails", "-XX:+PrintReferenceGC", "-Xmx10M", GCTest.class.getName());
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OutputAnalyzer output = new OutputAnalyzer(pb_enabled.start());
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String countRegex = "[0-9]+ refs";
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String timeRegex = "[0-9]+[.,][0-9]+ secs";
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output.shouldMatch(
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"#[0-9]+: \\[SoftReference, " + countRegex + ", " + timeRegex + "\\]" +
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"#[0-9]+: \\[WeakReference, " + countRegex + ", " + timeRegex + "\\]" +
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"#[0-9]+: \\[FinalReference, " + countRegex + ", " + timeRegex + "\\]" +
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"#[0-9]+: \\[PhantomReference, " + countRegex + ", " + timeRegex + "\\]" +
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"#[0-9]+: \\[JNI Weak Reference, (" + countRegex + ", )?" + timeRegex + "\\]");
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output.shouldHaveExitValue(0);
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}
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static class GCTest {
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public static void main(String [] args) {
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System.gc();
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}
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}
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}
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