8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
Reviewed-by: pliden, stefank, eosterlund, ehelin, sjohanss, rbackman, coleenp, ihse, jgeorge, lmesnik, rkennke
Contributed-by: per.liden@oracle.com, stefan.karlsson@oracle.com, erik.osterlund@oracle.com, mikael.gerdin@oracle.com, kim.barrett@oracle.com, nils.eliasson@oracle.com, rickard.backman@oracle.com, rwestrel@redhat.com, coleen.phillimore@oracle.com, robbin.ehn@oracle.com, gerard.ziemski@oracle.com, hugh.wilkinson@intel.com, sandhya.viswanathan@intel.com, bill.npo.wheeler@intel.com, vinay.k.awasthi@intel.com, yasuenag@gmail.com
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/* @test TestVerifySilently.java
* @key gc
* @bug 8032771
* @summary Test silent verification.
* @requires vm.gc != "Z"
* @library /test/lib
* @modules java.base/jdk.internal.misc
*/
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.process.OutputAnalyzer;
import java.util.ArrayList;
import java.util.Collections;
import jdk.test.lib.Utils;
class RunSystemGC {
public static void main(String args[]) throws Exception {
System.gc();
}
}
public class TestVerifySilently {
private static OutputAnalyzer runTest(boolean verifySilently) throws Exception {
ArrayList<String> vmOpts = new ArrayList();
Collections.addAll(vmOpts, Utils.getFilteredTestJavaOpts("-Xlog.*"));
Collections.addAll(vmOpts, new String[] {"-XX:+UnlockDiagnosticVMOptions",
"-XX:+VerifyDuringStartup",
"-XX:+VerifyBeforeGC",
"-XX:+VerifyAfterGC",
(verifySilently ? "-Xlog:gc":"-Xlog:gc+verify=debug"),
RunSystemGC.class.getName()});
ProcessBuilder pb =
ProcessTools.createJavaProcessBuilder(vmOpts.toArray(new String[vmOpts.size()]));
OutputAnalyzer output = new OutputAnalyzer(pb.start());
System.out.println("Output:\n" + output.getOutput());
return output;
}
public static void main(String args[]) throws Exception {
OutputAnalyzer output;
output = runTest(false);
output.shouldContain("Verifying");
output.shouldHaveExitValue(0);
output = runTest(true);
output.shouldNotContain("Verifying");
output.shouldHaveExitValue(0);
}
}