test/hotspot/jtreg/gc/shenandoah/TestPeriodicGC.java

rev 58672 : Shenandoah: New incremental-update mode

*** 97,106 ****
--- 97,136 ----
                      "-XX:ShenandoahGCHeuristics=" + h,
                      "-XX:ShenandoahGuaranteedGCInterval=100000" // deliberately too long
              );
          }
  
+         testWith("Zero interval with iu mode",
+                  false,
+                  "-Xlog:gc",
+                  "-XX:+UnlockDiagnosticVMOptions",
+                  "-XX:+UnlockExperimentalVMOptions",
+                  "-XX:+UseShenandoahGC",
+                  "-XX:ShenandoahGCMode=iu",
+                  "-XX:ShenandoahGuaranteedGCInterval=0"
+         );
+ 
+         testWith("Short interval with iu mode",
+                  true,
+                  "-Xlog:gc",
+                  "-XX:+UnlockDiagnosticVMOptions",
+                  "-XX:+UnlockExperimentalVMOptions",
+                  "-XX:+UseShenandoahGC",
+                  "-XX:ShenandoahGCMode=iu",
+                  "-XX:ShenandoahGuaranteedGCInterval=1000"
+         );
+ 
+         testWith("Long interval with iu mode",
+                  false,
+                  "-Xlog:gc",
+                  "-XX:+UnlockDiagnosticVMOptions",
+                  "-XX:+UnlockExperimentalVMOptions",
+                  "-XX:+UseShenandoahGC",
+                  "-XX:ShenandoahGCMode=iu",
+                  "-XX:ShenandoahGuaranteedGCInterval=100000" // deliberately too long
+         );
+ 
          testWith("Short interval with aggressive",
                   false,
                   "-Xlog:gc",
                   "-XX:+UnlockDiagnosticVMOptions",
                   "-XX:+UnlockExperimentalVMOptions",