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8321299: runtime/logging/ClassLoadUnloadTest.java doesn't reliably trigger class unloading

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Reviewed-by: coleenp, dholmes
This commit is contained in:
Matias Saavedra Silva 2024-03-13 16:54:53 +00:00
parent 35b00e640b
commit 5cae7d20ad
1 changed files with 6 additions and 3 deletions
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9
test/hotspot/jtreg/runtime/logging/ClassLoadUnloadTest.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2016, 2023, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2016, 2024, 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
@ -70,10 +70,13 @@ public class ClassLoadUnloadTest {
// Use the same command-line heap size setting as ../ClassUnload/UnloadTest.java
static OutputAnalyzer exec(String... args) throws Exception {
String classPath = System.getProperty("test.class.path", ".");
// Sub-process does not get all the properties automatically, so the test class path needs to be passed explicitly
List<String> argsList = new ArrayList<>();
Collections.addAll(argsList, args);
Collections.addAll(argsList, "-Xmn8m", "-Xbootclasspath/a:.", "-XX:+UnlockDiagnosticVMOptions",
"-XX:+WhiteBoxAPI", "-XX:+ClassUnloading", ClassUnloadTestMain.class.getName());
"-XX:+WhiteBoxAPI", "-XX:+ClassUnloading", "-Dtest.class.path=" + classPath, ClassUnloadTestMain.class.getName());
ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(argsList);
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldHaveExitValue(0);
@ -86,7 +89,7 @@ public class ClassLoadUnloadTest {
// -Xlog:class+unload=info
output = exec("-Xlog:class+unload=info");
checkFor(output, "[class,unload]", "unloading class");
checkFor(output, "[class,unload]", "unloading class test.Empty");
// -Xlog:class+unload=off
output = exec("-Xlog:class+unload=off");