1 /*
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   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
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   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).
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  24  */
  25 
  26 /*
  27  * @test
  28  * @bug 7165659
  29  * @summary javac incorrectly sets strictfp access flag on inner-classes
  30  * @modules jdk.compiler/com.sun.tools.classfile
  31  *          jdk.compiler/com.sun.tools.javac.util
  32  */
  33 
  34 import java.io.File;
  35 
  36 import com.sun.tools.classfile.AccessFlags;
  37 import com.sun.tools.classfile.Attribute;
  38 import com.sun.tools.classfile.ClassFile;
  39 import com.sun.tools.classfile.InnerClasses_attribute;
  40 import com.sun.tools.classfile.InnerClasses_attribute.Info;
  41 import com.sun.tools.javac.util.Assert;
  42 
  43 public class InnerClassAttrMustNotHaveStrictFPFlagTest {
  44 
  45     public static void main(String[] args) throws Exception {
  46         new InnerClassAttrMustNotHaveStrictFPFlagTest().run();
  47     }
  48 
  49     private void run() throws Exception {
  50         File classPath = new File(System.getProperty("test.classes"), getClass().getSimpleName() + ".class");
  51         analyzeClassFile(classPath);
  52     }
  53 
  54     void analyzeClassFile(File path) throws Exception {
  55         ClassFile classFile = ClassFile.read(path);
  56         InnerClasses_attribute innerClasses =
  57                 (InnerClasses_attribute) classFile.attributes.get(Attribute.InnerClasses);
  58         for (Info classInfo : innerClasses.classes) {
  59             Assert.check(!classInfo.inner_class_access_flags.is(AccessFlags.ACC_STRICT),
  60                     "Inner classes attribute must not have the ACC_STRICT flag set");
  61         }
  62     }
  63 
  64     strictfp void m() {
  65         new Runnable() {
  66             @Override
  67             public void run() {}
  68         };
  69     }
  70 
  71     static strictfp class Strict extends InnerClassAttrMustNotHaveStrictFPFlagTest {}
  72 
  73 }