CollectCountersTest.java revision 9814:22fd02fad88b 
1/*
2 * Copyright (c) 2015, 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 */
23
24/*
25 * @test
26 * @bug 8136421
27 * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64")
28 * @library / /testlibrary /test/lib/
29 * @compile ../common/CompilerToVMHelper.java
30 * @run main ClassFileInstaller
31 *     jdk.vm.ci.hotspot.CompilerToVMHelper
32 * @build compiler.jvmci.compilerToVM.CollectCountersTest
33 * @run main/othervm -XX:+UnlockExperimentalVMOptions
34 *     -XX:+EnableJVMCI -Xbootclasspath/a:.
35 *     -XX:JVMCICounterSize=0
36 *     -Dcompiler.jvmci.compilerToVM.CollectCountersTest.expected=0
37 *     compiler.jvmci.compilerToVM.CollectCountersTest
38 * @run main/othervm -XX:+UnlockExperimentalVMOptions
39 *     -XX:+EnableJVMCI -Xbootclasspath/a:.
40 *     -XX:JVMCICounterSize=11
41 *     -Dcompiler.jvmci.compilerToVM.CollectCountersTest.expected=11
42 *     compiler.jvmci.compilerToVM.CollectCountersTest
43 */
44
45package compiler.jvmci.compilerToVM;
46
47import jdk.vm.ci.hotspot.CompilerToVMHelper;
48import jdk.test.lib.Asserts;
49
50public class CollectCountersTest {
51    private static final int EXPECTED = Integer.getInteger(
52            "compiler.jvmci.compilerToVM.CollectCountersTest.expected");
53    public static void main(String args[]) {
54        new CollectCountersTest().runTest();
55    }
56
57    private void runTest() {
58        long[] counters = CompilerToVMHelper.collectCounters();
59        Asserts.assertNotNull(counters, "Expected not-null counters array");
60        int ctvmData = counters.length;
61        Asserts.assertEQ(EXPECTED, ctvmData, "Unexpected counters amount");
62    }
63}
64