jdk-24/test/hotspot/jtreg/runtime/stringtable/StringTableCorruptionTest.java
Coleen Phillimore 069e0ea69f 8338064: Give better error for ConcurrentHashTable corruption
Reviewed-by: dholmes, shade
2024-08-09 12:00:15 +00:00

60 lines
2.3 KiB
Java

/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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/*
* @test
* @bug 8333356
* @summary Verify new error message for corrupting string table contents.
* @requires vm.flagless
* @modules java.base/java.lang:open
* @library /test/lib
* @modules java.base/jdk.internal.misc
* @run driver StringTableCorruptionTest test
*/
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
public class StringTableCorruptionTest {
public static void main(String[] args) throws Exception {
if (args.length > 0) {
ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder("--add-opens", "java.base/java.lang=ALL-UNNAMED",
"-XX:-CreateCoredumpOnCrash", "StringTableCorruptionTest");
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldContain("Node hash code has changed possibly due to corruption of the contents.");
output.shouldNotHaveExitValue(0);
return;
}
Field f = String.class.getDeclaredField("value");
f.setAccessible(true);
f.set("s1".intern(), f.get("s2"));
for (int i = 0; i < 4_000_000; i++) {
("s_" + i).intern();
}
}
}