Thu, 19 Sep 2013 09:36:51 -0700
Added tag jdk8-b108 for changeset 85072013aad4
1 /*
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
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 */
24 /*
25 * @test TestInitialTenuringThreshold
26 * @key gc
27 * @bug 8014765
28 * @summary Tests argument processing for initial tenuring threshold
29 * @library /testlibrary
30 * @run main/othervm TestInitialTenuringThreshold
31 * @author thomas.schatzl@oracle.com
32 */
34 import com.oracle.java.testlibrary.*;
36 public class TestInitialTenuringThreshold {
38 public static void runWithThresholds(int initial, int max, boolean shouldfail) throws Exception {
39 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
40 "-XX:InitialTenuringThreshold=" + String.valueOf(initial),
41 "-XX:MaxTenuringThreshold=" + String.valueOf(max),
42 "-version"
43 );
45 OutputAnalyzer output = new OutputAnalyzer(pb.start());
46 if (shouldfail) {
47 output.shouldHaveExitValue(1);
48 } else {
49 output.shouldHaveExitValue(0);
50 }
51 }
54 public static void main(String args[]) throws Exception {
55 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
56 // some value below the default value of InitialTenuringThreshold of 7
57 "-XX:MaxTenuringThreshold=1",
58 "-version"
59 );
61 OutputAnalyzer output = new OutputAnalyzer(pb.start());
62 output.shouldHaveExitValue(0);
63 // successful tests
64 runWithThresholds(0, 10, false);
65 runWithThresholds(5, 5, false);
66 // failing tests
67 runWithThresholds(10, 0, true);
68 runWithThresholds(9, 8, true);
69 runWithThresholds(-1, 8, true);
70 runWithThresholds(8, -1, true);
71 runWithThresholds(8, 16, true);
72 runWithThresholds(16, 8, true);
73 }
74 }