test/hotspot/jtreg/runtime/cds/TestCDSVMCrash.java

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/*
 * @test TestCDSVMCrash
 * @summary Verify that an exception is thrown when the VM crashes during executeAndLog
 * @requires vm.cds
 * @modules java.base/jdk.internal.misc
 * @library /test/lib
 * @run driver TestCDSVMCrash
 * @bug 8306583
 */

 import jdk.test.lib.cds.CDSTestUtils;
 import jdk.test.lib.process.OutputAnalyzer;
 import jdk.test.lib.process.ProcessTools;

 public class TestCDSVMCrash {

     public static void main(String[] args) throws Exception {
         if (args.length == 1) {
             // This should guarantee to throw:
             // java.lang.OutOfMemoryError: Requested array size exceeds VM limit
             try {
                 Object[] oa = new Object[Integer.MAX_VALUE];
                 throw new Error("OOME not triggered");
             } catch (OutOfMemoryError err) {
                 throw new Error("OOME didn't abort JVM!");
             }
         }
         // else this is the main test
         ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder("-XX:+CrashOnOutOfMemoryError",
                  "-XX:-CreateCoredumpOnCrash", "-Xmx128m", "-Xshare:on", TestCDSVMCrash.class.getName(),"throwOOME");
         OutputAnalyzer output = new OutputAnalyzer(pb.start());
         // executeAndLog should throw an exception in the VM crashed
         try {
            CDSTestUtils.executeAndLog(pb, "cds_vm_crash");
            throw new Error("Expected VM to crash");
         } catch(RuntimeException e) {
            if (!e.getMessage().equals("Hotspot crashed")) {
              throw new Error("Expected message: Hotspot crashed");
            }
         }
         int exitValue = output.getExitValue();
         if (0 == exitValue) {
             //expecting a non zero value
             throw new Error("Expected to get non zero exit value");
         }
        output.shouldContain("A fatal error has been detected by the Java Runtime Environment");
        System.out.println("PASSED");
     }
 }