Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: test/gc/arguments/TestDynMaxHeapFreeRatio.java
test/gc/arguments/TestDynMaxHeapFreeRatio.java
- changeset 6952
- e2976043eac3
- parent 0
- f90c822e73f8
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| 6951:99dbb9cd9521 | 6952:e2976043eac3 |
|---|---|
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | 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 | 20 * or visit www.oracle.com if you need additional information or have any |
| 21 * questions. | 21 * questions. |
| 22 */ | 22 */ |
| 23 | 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 | |
| 24 /** | 29 /** |
| 25 * @test TestDynMaxHeapFreeRatio | 30 * @test TestDynMaxHeapFreeRatio |
| 26 * @bug 8028391 | 31 * @bug 8028391 |
| 27 * @summary Verify that MaxHeapFreeRatio flag is manageable | 32 * @summary Verify that MaxHeapFreeRatio flag is manageable |
| 28 * @library /testlibrary | 33 * @library /testlibrary |
| 31 * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 -XX:-UseAdaptiveSizePolicy TestDynMaxHeapFreeRatio | 36 * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 -XX:-UseAdaptiveSizePolicy TestDynMaxHeapFreeRatio |
| 32 * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 TestDynMaxHeapFreeRatio | 37 * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 TestDynMaxHeapFreeRatio |
| 33 * @run main/othervm -XX:MinHeapFreeRatio=51 -XX:MaxHeapFreeRatio=52 TestDynMaxHeapFreeRatio | 38 * @run main/othervm -XX:MinHeapFreeRatio=51 -XX:MaxHeapFreeRatio=52 TestDynMaxHeapFreeRatio |
| 34 * @run main/othervm -XX:MinHeapFreeRatio=75 -XX:MaxHeapFreeRatio=100 TestDynMaxHeapFreeRatio | 39 * @run main/othervm -XX:MinHeapFreeRatio=75 -XX:MaxHeapFreeRatio=100 TestDynMaxHeapFreeRatio |
| 35 */ | 40 */ |
| 36 import com.oracle.java.testlibrary.TestDynamicVMOption; | 41 public class TestDynMaxHeapFreeRatio { |
| 37 import com.oracle.java.testlibrary.DynamicVMOptionChecker; | |
| 38 | |
| 39 public class TestDynMaxHeapFreeRatio extends TestDynamicVMOption { | |
| 40 | |
| 41 public static final String MinFreeRatioFlagName = "MinHeapFreeRatio"; | |
| 42 public static final String MaxFreeRatioFlagName = "MaxHeapFreeRatio"; | |
| 43 | |
| 44 public TestDynMaxHeapFreeRatio() { | |
| 45 super(MaxFreeRatioFlagName); | |
| 46 } | |
| 47 | |
| 48 public void test() { | |
| 49 | |
| 50 int minHeapFreeValue = DynamicVMOptionChecker.getIntValue(MinFreeRatioFlagName); | |
| 51 System.out.println(MinFreeRatioFlagName + " = " + minHeapFreeValue); | |
| 52 | |
| 53 testPercentageValues(); | |
| 54 | |
| 55 checkInvalidValue(Integer.toString(minHeapFreeValue - 1)); | |
| 56 checkValidValue(Integer.toString(minHeapFreeValue)); | |
| 57 checkValidValue("100"); | |
| 58 } | |
| 59 | 42 |
| 60 public static void main(String args[]) throws Exception { | 43 public static void main(String args[]) throws Exception { |
| 61 new TestDynMaxHeapFreeRatio().test(); | 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", | |
| 54 Integer.toString(Integer.MIN_VALUE), | |
| 55 Integer.toString(Integer.MAX_VALUE), | |
| 56 Integer.toString(minValue - 1), | |
| 57 "-1024", "-1", "101", "1997" | |
| 58 }; | |
| 59 | |
| 60 String goodValues[] = { | |
| 61 Integer.toString(minValue), | |
| 62 Integer.toString(minValue + 1), | |
| 63 Integer.toString((minValue + 100) / 2), | |
| 64 "99", "100" | |
| 65 }; | |
| 66 | |
| 67 DynamicVMOption option = new DynamicVMOption("MaxHeapFreeRatio"); | |
| 68 | |
| 69 assertTrue(option.isWriteable(), "Option " + option.name | |
| 70 + " is expected to be writable"); | |
| 71 | |
| 72 for (String v : badValues) { | |
| 73 assertFalse(option.isValidValue(v), | |
| 74 "'" + v + "' is expected to be illegal for flag " + option.name); | |
| 75 } | |
| 76 for (String v : goodValues) { | |
| 77 option.setValue(v); | |
| 78 String newValue = option.getValue(); | |
| 79 assertEQ(v, newValue); | |
| 80 } | |
| 62 } | 81 } |
| 63 | |
| 64 } | 82 } |
