22  *
  23  */
  24 
  25 /*
  26  * @test TestArgumentRanges
  27  * @summary Test that Shenandoah arguments are checked for ranges where applicable
  28  * @key gc
  29  * @requires vm.gc.Shenandoah & !vm.graal.enabled
  30  * @library /test/lib
  31  * @modules java.base/jdk.internal.misc
  32  *          java.management
  33  * @run driver TestArgumentRanges
  34  */
  35 
  36 import jdk.test.lib.process.ProcessTools;
  37 import jdk.test.lib.process.OutputAnalyzer;
  38 
  39 public class TestArgumentRanges {
  40     public static void main(String[] args) throws Exception {
  41         testRange("ShenandoahGarbageThreshold", 0, 100);
  42         testRange("ShenandoahFreeThreshold", 0, 100);
  43         testRange("ShenandoahAllocationThreshold", 0, 100);
  44         testHeuristics();
  45     }
  46 
  47     private static void testHeuristics() throws Exception {
  48 
  49         {
  50             ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions",
  51                     "-XX:+UnlockExperimentalVMOptions",
  52                     "-XX:+UseShenandoahGC",
  53                     "-XX:ShenandoahGCHeuristics=aggressive",
  54                     "-version");
  55             OutputAnalyzer output = new OutputAnalyzer(pb.start());
  56             output.shouldHaveExitValue(0);
  57         }
  58         {
  59             ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions",
  60                     "-XX:+UnlockExperimentalVMOptions",
  61                     "-XX:+UseShenandoahGC",
  62                     "-XX:ShenandoahGCHeuristics=static",

  22  *
  23  */
  24 
  25 /*
  26  * @test TestArgumentRanges
  27  * @summary Test that Shenandoah arguments are checked for ranges where applicable
  28  * @key gc
  29  * @requires vm.gc.Shenandoah & !vm.graal.enabled
  30  * @library /test/lib
  31  * @modules java.base/jdk.internal.misc
  32  *          java.management
  33  * @run driver TestArgumentRanges
  34  */
  35 
  36 import jdk.test.lib.process.ProcessTools;
  37 import jdk.test.lib.process.OutputAnalyzer;
  38 
  39 public class TestArgumentRanges {
  40     public static void main(String[] args) throws Exception {
  41         testRange("ShenandoahGarbageThreshold", 0, 100);
  42         testRange("ShenandoahMinFreeThreshold", 0, 100);
  43         testRange("ShenandoahAllocationThreshold", 0, 100);
  44         testHeuristics();
  45     }
  46 
  47     private static void testHeuristics() throws Exception {
  48 
  49         {
  50             ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions",
  51                     "-XX:+UnlockExperimentalVMOptions",
  52                     "-XX:+UseShenandoahGC",
  53                     "-XX:ShenandoahGCHeuristics=aggressive",
  54                     "-version");
  55             OutputAnalyzer output = new OutputAnalyzer(pb.start());
  56             output.shouldHaveExitValue(0);
  57         }
  58         {
  59             ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions",
  60                     "-XX:+UnlockExperimentalVMOptions",
  61                     "-XX:+UseShenandoahGC",
  62                     "-XX:ShenandoahGCHeuristics=static",