14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import static com.oracle.java.testlibrary.Asserts.assertEQ;
  25 import static com.oracle.java.testlibrary.Asserts.assertFalse;
  26 import static com.oracle.java.testlibrary.Asserts.assertTrue;
  27 import com.oracle.java.testlibrary.DynamicVMOption;
  28 
  29 /**
  30  * @test TestDynMaxHeapFreeRatio
  31  * @bug 8028391
  32  * @summary Verify that MaxHeapFreeRatio flag is manageable
  33  * @library /testlibrary

  34  * @run main TestDynMaxHeapFreeRatio
  35  * @run main/othervm -XX:MinHeapFreeRatio=0 -XX:MaxHeapFreeRatio=100 TestDynMaxHeapFreeRatio
  36  * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 -XX:-UseAdaptiveSizePolicy TestDynMaxHeapFreeRatio
  37  * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 TestDynMaxHeapFreeRatio
  38  * @run main/othervm -XX:MinHeapFreeRatio=51 -XX:MaxHeapFreeRatio=52 TestDynMaxHeapFreeRatio
  39  * @run main/othervm -XX:MinHeapFreeRatio=75 -XX:MaxHeapFreeRatio=100 TestDynMaxHeapFreeRatio
  40  */
  41 public class TestDynMaxHeapFreeRatio {
  42 
  43     public static void main(String args[]) throws Exception {
  44 
  45         // low boundary value
  46         int minValue = DynamicVMOption.getInt("MinHeapFreeRatio");
  47         System.out.println("MinHeapFreeRatio= " + minValue);
  48 
  49         String badValues[] = {
  50             null,
  51             "",
  52             "not a number",
  53             "8.5", "-0.01",

  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import static com.oracle.java.testlibrary.Asserts.assertEQ;
  25 import static com.oracle.java.testlibrary.Asserts.assertFalse;
  26 import static com.oracle.java.testlibrary.Asserts.assertTrue;
  27 import com.oracle.java.testlibrary.DynamicVMOption;
  28 
  29 /**
  30  * @test TestDynMaxHeapFreeRatio
  31  * @bug 8028391
  32  * @summary Verify that MaxHeapFreeRatio flag is manageable
  33  * @library /testlibrary
  34  * @build com.oracle.java.testlibrary.*
  35  * @run main TestDynMaxHeapFreeRatio
  36  * @run main/othervm -XX:MinHeapFreeRatio=0 -XX:MaxHeapFreeRatio=100 TestDynMaxHeapFreeRatio
  37  * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 -XX:-UseAdaptiveSizePolicy TestDynMaxHeapFreeRatio
  38  * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 TestDynMaxHeapFreeRatio
  39  * @run main/othervm -XX:MinHeapFreeRatio=51 -XX:MaxHeapFreeRatio=52 TestDynMaxHeapFreeRatio
  40  * @run main/othervm -XX:MinHeapFreeRatio=75 -XX:MaxHeapFreeRatio=100 TestDynMaxHeapFreeRatio
  41  */
  42 public class TestDynMaxHeapFreeRatio {
  43 
  44     public static void main(String args[]) throws Exception {
  45 
  46         // low boundary value
  47         int minValue = DynamicVMOption.getInt("MinHeapFreeRatio");
  48         System.out.println("MinHeapFreeRatio= " + minValue);
  49 
  50         String badValues[] = {
  51             null,
  52             "",
  53             "not a number",
  54             "8.5", "-0.01",