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test/hotspot/jtreg/gc/shenandoah/options/TestModeUnlock.java

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 27  * @summary Test that Shenandoah modes are unlocked properly
 28  * @requires vm.gc.Shenandoah
 29  * @library /test/lib
 30  * @modules java.base/jdk.internal.misc
 31  *          java.management
 32  * @run driver TestModeUnlock
 33  */
 34 
 35 import jdk.test.lib.process.ProcessTools;
 36 import jdk.test.lib.process.OutputAnalyzer;
 37 
 38 public class TestModeUnlock {
 39 
 40     enum Mode {
 41         PRODUCT,
 42         DIAGNOSTIC,
 43         EXPERIMENTAL,
 44     }
 45 
 46     public static void main(String[] args) throws Exception {
 47         testWith("-XX:ShenandoahGCMode=satb",    Mode.PRODUCT);
 48         testWith("-XX:ShenandoahGCMode=iu",      Mode.EXPERIMENTAL);
 49         testWith("-XX:ShenandoahGCMode=passive", Mode.DIAGNOSTIC);
 50     }
 51 
 52     private static void testWith(String h, Mode mode) throws Exception {
 53         {
 54             OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
 55                     "-Xmx128m",
 56                     "-XX:-UnlockDiagnosticVMOptions",
 57                     "-XX:-UnlockExperimentalVMOptions",
 58                     "-XX:+UseShenandoahGC",
 59                     h,
 60                     "-version"
 61             );
 62             switch (mode) {
 63                 case PRODUCT:
 64                     output.shouldHaveExitValue(0);
 65                     break;
 66                 case DIAGNOSTIC:
 67                 case EXPERIMENTAL:
 68                     output.shouldNotHaveExitValue(0);
 69                     break;

 27  * @summary Test that Shenandoah modes are unlocked properly
 28  * @requires vm.gc.Shenandoah
 29  * @library /test/lib
 30  * @modules java.base/jdk.internal.misc
 31  *          java.management
 32  * @run driver TestModeUnlock
 33  */
 34 
 35 import jdk.test.lib.process.ProcessTools;
 36 import jdk.test.lib.process.OutputAnalyzer;
 37 
 38 public class TestModeUnlock {
 39 
 40     enum Mode {
 41         PRODUCT,
 42         DIAGNOSTIC,
 43         EXPERIMENTAL,
 44     }
 45 
 46     public static void main(String[] args) throws Exception {
 47         testWith("-XX:ShenandoahGCMode=satb",         Mode.PRODUCT);
 48         testWith("-XX:ShenandoahGCMode=passive",      Mode.DIAGNOSTIC);
 49         testWith("-XX:ShenandoahGCMode=generational", Mode.EXPERIMENTAL);
 50     }
 51 
 52     private static void testWith(String h, Mode mode) throws Exception {
 53         {
 54             OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
 55                     "-Xmx128m",
 56                     "-XX:-UnlockDiagnosticVMOptions",
 57                     "-XX:-UnlockExperimentalVMOptions",
 58                     "-XX:+UseShenandoahGC",
 59                     h,
 60                     "-version"
 61             );
 62             switch (mode) {
 63                 case PRODUCT:
 64                     output.shouldHaveExitValue(0);
 65                     break;
 66                 case DIAGNOSTIC:
 67                 case EXPERIMENTAL:
 68                     output.shouldNotHaveExitValue(0);
 69                     break;
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