1 /*
   2  * Copyright (c) 2015, 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 /*
  26  * @test ClassInitializationTest
  27  * @bug 8142976
  28  * @modules java.base/jdk.internal.misc
  29  * @library /testlibrary
  30  * @compile BadMap50.jasm
  31  * @build jdk.test.lib.OutputAnalyzer jdk.test.lib.Platform jdk.test.lib.ProcessTools
  32  * @run driver ClassInitializationTest
  33  */
  34 
  35 import jdk.test.lib.OutputAnalyzer;
  36 import jdk.test.lib.Platform;
  37 import jdk.test.lib.ProcessTools;
  38 
  39 public class ClassInitializationTest {
  40 
  41     public static void main(String... args) throws Exception {
  42 
  43         // (1)
  44         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xlog:class+init=info",
  45                                                                   "-Xverify:all",
  46                                                                   "-Xmx64m",
  47                                                                   "BadMap50");
  48         OutputAnalyzer out = new OutputAnalyzer(pb.start());
  49         out.shouldContain("Start class verification for:");
  50         out.shouldContain("End class verification for:");
  51         out.shouldContain("Initializing");
  52         out.shouldContain("Verification for BadMap50 failed");
  53         out.shouldContain("Fail over class verification to old verifier for: BadMap50");
  54 
  55         // (2)
  56         if (Platform.isDebugBuild()) {
  57             pb = ProcessTools.createJavaProcessBuilder("-Xlog:class+init=info",
  58                                                        "-Xverify:all",
  59                                                        "-XX:+EagerInitialization",
  60                                                        "-Xmx64m",
  61                                                        InnerClass.class.getName());
  62             out = new OutputAnalyzer(pb.start());
  63             out.shouldContain("[Initialized").shouldContain("without side effects]");
  64             out.shouldHaveExitValue(0);
  65         }
  66 
  67         // (3) class+init should turn off.
  68         pb = ProcessTools.createJavaProcessBuilder("-Xlog:class+init=off",
  69                                                    "-Xverify:all",
  70                                                    "-Xmx64m",
  71                                                    "BadMap50");
  72         out = new OutputAnalyzer(pb.start());
  73         out.shouldNotContain("[class,init]");
  74         out.shouldNotContain("Fail over class verification to old verifier for: BadMap50");
  75 
  76     }
  77     public static class InnerClass {
  78         public static void main(String[] args) throws Exception {
  79             System.out.println("Inner Class");
  80         }
  81     }
  82 }