1 /*
   2  * Copyright (c) 2013, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 /*
  27  * @test
  28  * @bug 7166455
  29  * @summary javac doesn't set ACC_STRICT bit on <clinit> for strictfp class
  30  * @modules jdk.compiler/com.sun.tools.classfile
  31  * @run main CheckACC_STRICTFlagOnclinitTest
  32  */
  33 
  34 import java.util.ArrayList;
  35 import java.util.List;
  36 import java.io.File;
  37 import java.io.IOException;
  38 import com.sun.tools.classfile.ClassFile;
  39 import com.sun.tools.classfile.ConstantPoolException;
  40 import com.sun.tools.classfile.Descriptor;
  41 import com.sun.tools.classfile.Descriptor.InvalidDescriptor;
  42 import com.sun.tools.classfile.Method;
  43 
  44 import static com.sun.tools.classfile.AccessFlags.ACC_STRICT;
  45 
  46 public strictfp class CheckACC_STRICTFlagOnclinitTest {
  47     private static final String AssertionErrorMessage =
  48         "All methods should have the ACC_STRICT access flag " +
  49         "please check output";
  50     private static final String offendingMethodErrorMessage =
  51         "Method %s of class %s doesn't have the ACC_STRICT access flag";
  52 
  53     static {
  54         class Foo {
  55             class Bar {
  56                 void m11() {}
  57             }
  58             void m1() {}
  59         }
  60     }
  61     void m2() {
  62         class Any {
  63             void m21() {}
  64         }
  65     }
  66 
  67     private List<String> errors = new ArrayList<>();
  68 
  69     public static void main(String[] args)
  70             throws IOException, ConstantPoolException, InvalidDescriptor {
  71         new CheckACC_STRICTFlagOnclinitTest().run();
  72     }
  73 
  74     private void run()
  75             throws IOException, ConstantPoolException, InvalidDescriptor {
  76         String testClasses = System.getProperty("test.classes");
  77         check(testClasses,
  78               "CheckACC_STRICTFlagOnclinitTest.class",
  79               "CheckACC_STRICTFlagOnclinitTest$1Foo.class",
  80               "CheckACC_STRICTFlagOnclinitTest$1Foo$Bar.class",
  81               "CheckACC_STRICTFlagOnclinitTest$1Any.class");
  82         if (errors.size() > 0) {
  83             for (String error: errors) {
  84                 System.err.println(error);
  85             }
  86             throw new AssertionError(AssertionErrorMessage);
  87         }
  88     }
  89 
  90     void check(String dir, String... fileNames)
  91         throws
  92             IOException,
  93             ConstantPoolException,
  94             Descriptor.InvalidDescriptor {
  95         for (String fileName : fileNames) {
  96             ClassFile classFileToCheck = ClassFile.read(new File(dir, fileName));
  97 
  98             for (Method method : classFileToCheck.methods) {
  99                 if ((method.access_flags.flags & ACC_STRICT) == 0) {
 100                     errors.add(String.format(offendingMethodErrorMessage,
 101                             method.getName(classFileToCheck.constant_pool),
 102                             classFileToCheck.getName()));
 103                 }
 104             }
 105         }
 106     }
 107 
 108 }