java-topology/test/jdk/java/io/ClassCache/ContinuousGCTest.java
russell@unturf.com 0a580b313d undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
2026-03-26 17:11:57 -04:00

50 lines
1.8 KiB
Java

/*
* Copyright (c) 2022, Red Hat, Inc. 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
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*/
import java.io.NameClassCache;
/**
* @test
* @bug 8280041
* @summary Sanity test for ClassCache under continuous GC
* @compile/module=java.base java/io/NameClassCache.java
* @run main ContinuousGCTest
*/
public class ContinuousGCTest {
static final NameClassCache CACHE = new NameClassCache();
static final String VALUE = "ClassCache-ContinuousGCTest";
public static void main(String... args) throws Throwable {
for (int c = 0; c < 1000; c++) {
test();
System.gc();
}
}
public static void test() {
String cached = CACHE.get(ContinuousGCTest.class);
if (!cached.equals(VALUE)) {
throw new IllegalStateException("Cache failure, got: " + cached);
}
}
}