1 /*
   2  * Copyright (c) 2016, 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 8141564
  27  * @summary vtables=trace should have logging from each of the statements in the code
  28  * @library /testlibrary
  29  * @compile ClassB.java
  30  *          p1/A.java
  31  *          p2/B.jcod
  32  *          p1/C.java
  33  *          p2/D.java
  34  * @modules java.base/sun.misc
  35  *          java.management
  36  * @run driver VtablesTest
  37  */
  38 
  39 import jdk.test.lib.*;
  40 
  41 public class VtablesTest {
  42     public static void main(String[] args) throws Exception {
  43         if (Platform.isDebugBuild()) {
  44             ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  45                 "-Xlog:vtables=trace", "-Xshare:off", "ClassB");
  46             OutputAnalyzer output = new OutputAnalyzer(pb.start());
  47             output.shouldContain("copy vtable from ClassA to ClassB");
  48             output.shouldContain("Initializing: ClassB");
  49             output.shouldContain("adding ClassB.Method1()V");
  50             output.shouldContain("] overriding with ClassB::ClassB.Method2()V");
  51             output.shouldContain("invokevirtual resolved method: caller-class:ClassB");
  52             output.shouldContain("invokevirtual selected method: receiver-class:ClassB");
  53             output.shouldContain("NOT overriding with p2.D::p2.D.nooverride()V");
  54             output.shouldHaveExitValue(0);
  55 
  56             pb = ProcessTools.createJavaProcessBuilder("-Xlog:vtables=trace", "p1/C");
  57             output = new OutputAnalyzer(pb.start());
  58             output.shouldContain("transitive overriding superclass ");
  59             output.shouldHaveExitValue(0);
  60         }
  61     }
  62 }
  63