Mercurial > jdk8-mips64-public > hotspot / annotate
test/gc/arguments/TestDynMinHeapFreeRatio.java@6cbff0651f1a (annotated)
test/gc/arguments/TestDynMinHeapFreeRatio.java
Mon, 06 Nov 2017 16:51:47 +0800
- author
- aoqi
- date
- Mon, 06 Nov 2017 16:51:47 +0800
- changeset 7997
- 6cbff0651f1a
- parent 6952
- e2976043eac3
- permissions
- -rw-r--r--
[Code Reorganization] remove trailing whitespace to pass jcheck test
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | */ |
| aoqi@0 | 23 | |
| aoqi@0 | 24 | /** |
| aoqi@0 | 25 | * @test TestDynMinHeapFreeRatio |
| aoqi@0 | 26 | * @bug 8028391 |
| aoqi@0 | 27 | * @summary Verify that MinHeapFreeRatio flag is manageable |
| aoqi@0 | 28 | * @library /testlibrary |
| aoqi@0 | 29 | * @run main TestDynMinHeapFreeRatio |
| aoqi@0 | 30 | * @run main/othervm -XX:MinHeapFreeRatio=0 -XX:MaxHeapFreeRatio=100 TestDynMinHeapFreeRatio |
| aoqi@0 | 31 | * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 -XX:-UseAdaptiveSizePolicy TestDynMinHeapFreeRatio |
| aoqi@0 | 32 | * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 TestDynMinHeapFreeRatio |
| aoqi@0 | 33 | * @run main/othervm -XX:MinHeapFreeRatio=51 -XX:MaxHeapFreeRatio=52 TestDynMinHeapFreeRatio |
| aoqi@0 | 34 | * @run main/othervm -XX:MinHeapFreeRatio=75 -XX:MaxHeapFreeRatio=100 TestDynMinHeapFreeRatio |
| aoqi@0 | 35 | */ |
| dfazunen@6952 | 36 | import static com.oracle.java.testlibrary.Asserts.assertEQ; |
| dfazunen@6952 | 37 | import static com.oracle.java.testlibrary.Asserts.assertFalse; |
| dfazunen@6952 | 38 | import static com.oracle.java.testlibrary.Asserts.assertTrue; |
| dfazunen@6952 | 39 | import com.oracle.java.testlibrary.DynamicVMOption; |
| aoqi@0 | 40 | |
| dfazunen@6952 | 41 | public class TestDynMinHeapFreeRatio { |
| aoqi@0 | 42 | |
| aoqi@0 | 43 | public static void main(String args[]) throws Exception { |
| dfazunen@6952 | 44 | |
| dfazunen@6952 | 45 | // high boundary value |
| dfazunen@6952 | 46 | int maxValue = DynamicVMOption.getInt("MaxHeapFreeRatio"); |
| dfazunen@6952 | 47 | System.out.println("MaxHeapFreeRatio= " + maxValue); |
| dfazunen@6952 | 48 | |
| dfazunen@6952 | 49 | String badValues[] = { |
| dfazunen@6952 | 50 | null, |
| dfazunen@6952 | 51 | "", |
| dfazunen@6952 | 52 | "not a number", |
| dfazunen@6952 | 53 | "8.5", "-0.01", |
| dfazunen@6952 | 54 | Integer.toString(Integer.MIN_VALUE), |
| dfazunen@6952 | 55 | Integer.toString(Integer.MAX_VALUE), |
| dfazunen@6952 | 56 | Integer.toString(maxValue + 1), |
| dfazunen@6952 | 57 | "-1024", "-1", "101", "1997" |
| dfazunen@6952 | 58 | }; |
| dfazunen@6952 | 59 | |
| dfazunen@6952 | 60 | String goodValues[] = { |
| dfazunen@6952 | 61 | Integer.toString(maxValue), |
| dfazunen@6952 | 62 | Integer.toString(maxValue - 1), |
| dfazunen@6952 | 63 | Integer.toString(maxValue / 2), |
| dfazunen@6952 | 64 | "0", "1" |
| dfazunen@6952 | 65 | }; |
| dfazunen@6952 | 66 | |
| dfazunen@6952 | 67 | // option under test |
| dfazunen@6952 | 68 | DynamicVMOption option = new DynamicVMOption("MinHeapFreeRatio"); |
| dfazunen@6952 | 69 | |
| dfazunen@6952 | 70 | assertTrue(option.isWriteable(), "Option " + option.name |
| dfazunen@6952 | 71 | + " is expected to be writable"); |
| dfazunen@6952 | 72 | |
| dfazunen@6952 | 73 | for (String v : badValues) { |
| dfazunen@6952 | 74 | assertFalse(option.isValidValue(v), |
| dfazunen@6952 | 75 | "'" + v + "' is expected to be illegal for flag " + option.name); |
| dfazunen@6952 | 76 | } |
| dfazunen@6952 | 77 | |
| dfazunen@6952 | 78 | for (String v : goodValues) { |
| dfazunen@6952 | 79 | option.setValue(v); |
| dfazunen@6952 | 80 | String newValue = option.getValue(); |
| dfazunen@6952 | 81 | assertEQ(v, newValue); |
| dfazunen@6952 | 82 | } |
| aoqi@0 | 83 | } |
| aoqi@0 | 84 | } |
