CompilerQueueTest.java revision 7779:690b40bee3ae 
1/*
2 * Copyright (c) 2014, 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 CompilerQueueTest
26 * @bug 8054889
27 * @library /testlibrary
28 * @ignore 8069160
29 * @build com.oracle.java.testlibrary.*
30 * @build com.oracle.java.testlibrary.dcmd.*
31 * @run testng CompilerQueueTest
32 * @run testng/othervm -XX:-TieredCompilation CompilerQueueTest
33 * @run testng/othervm -Xint CompilerQueueTest
34 * @summary Test of diagnostic command Compiler.queue
35 */
36
37import com.oracle.java.testlibrary.OutputAnalyzer;
38import com.oracle.java.testlibrary.dcmd.CommandExecutor;
39import com.oracle.java.testlibrary.dcmd.JMXExecutor;
40import org.testng.annotations.Test;
41
42import java.util.Iterator;
43
44public class CompilerQueueTest {
45
46    /**
47     * This test calls Jcmd (diagnostic command tool) Compiler.queue and
48     * then parses the output, making sure that the output look ok.
49     *
50     *
51     * Output example:
52     *
53     * Contents of C1 compile queue
54     * ----------------------------
55     * 73       3       java.lang.AbstractStringBuilder::append (50 bytes)
56     * 74       1       java.util.TreeMap::size (5 bytes)
57     * 75       3       java.lang.StringBuilder::append (8 bytes)
58     * 83       3       java.util.TreeMap$ValueIterator::next (8 bytes)
59     * 84       1       javax.management.MBeanFeatureInfo::getName (5 bytes)
60     * ----------------------------
61     * Contents of C2 compile queue
62     * ----------------------------
63     * Empty
64     * ----------------------------
65     *
66     **/
67
68    public void run(CommandExecutor executor) {
69
70        // Get output from dcmd (diagnostic command)
71        OutputAnalyzer output = executor.execute("Compiler.queue");
72        Iterator<String> lines = output.asLines().iterator();
73
74        while (lines.hasNext()) {
75            String str = lines.next();
76            if (str.startsWith("Contents of C")) {
77                match(lines.next(), "----------------------------");
78                str = lines.next();
79                if (!str.equals("Empty")) {
80                    while (str.charAt(0) != '-') {
81                        validateMethodLine(str);
82                        str = lines.next();
83                    }
84                } else {
85                    str = lines.next();
86                }
87                match(str,"----------------------------");
88            } else {
89                Assert.fail("Failed parsing dcmd queue, line: " + str);
90            }
91        }
92    }
93
94    private static void validateMethodLine(String str) {
95        // Skip until package/class name begins. Trim to remove whitespace that
96        // may differ.
97        String name = str.substring(14).trim();
98        int sep = name.indexOf("::");
99        if (sep == -1) {
100            Assert.fail("Failed dcmd queue, didn't find separator :: in: " + name);
101        }
102        try {
103            Class.forName(name.substring(0, sep));
104        } catch (ClassNotFoundException e) {
105            Assert.fail("Failed dcmd queue, Class for name: " + str);
106        }
107    }
108
109    public static void match(String line, String str) {
110        if (!line.equals(str)) {
111            Assert.fail("String equals: " + line + ", " + str);
112        }
113    }
114
115    @Test
116    public void jmx() {
117        run(new JMXExecutor());
118    }
119}
120