Vladimir Ivanov 29e10e4582 8332547: Unloaded signature classes in DirectMethodHandles
Reviewed-by: jvernee, liach
2024-06-04 04:02:49 +00:00

67 lines
2.5 KiB
Java

/*
* Copyright (c) 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
* 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
* @library /test/lib
* @run driver compiler.runtime.unloaded.TestUnloadedSignatureClass
*/
package compiler.runtime.unloaded;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
public class TestUnloadedSignatureClass {
static class Test {
static int test(Integer i) {
// Bound to a wrapper around a method with (Ljava/lang/Object;ILjava/util/function/BiPredicate;Ljava/util/List;)I signature.
// Neither BiPredicate nor List are guaranteed to be resolved by the context class loader.
return switch (i) {
case null -> -1;
case 0 -> 0;
default -> 1;
};
}
public static void main(String[] args) {
for (int i = 0; i < 20_000; i++) {
test(i);
}
}
}
public static void main(String[] args) throws Exception {
ProcessBuilder pb = ProcessTools.createTestJavaProcessBuilder(
"-Xbatch", "-XX:-TieredCompilation",
"-XX:CompileCommand=quiet", "-XX:CompileCommand=compileonly,*::test",
"-XX:+UnlockDiagnosticVMOptions", "-XX:+PrintCompilation", "-XX:+PrintInlining",
Test.class.getName()
);
OutputAnalyzer out = new OutputAnalyzer(pb.start());
out.shouldHaveExitValue(0);
out.shouldNotContain("unloaded signature classes");
}
}