langtools/test/tools/javac/T7165659/InnerClassAttrMustNotHaveStrictFPFlagTest.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
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 *
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/*
 * @test
 * @bug 7165659
 * @summary javac incorrectly sets strictfp access flag on inner-classes
 */

import java.io.File;

import com.sun.tools.classfile.AccessFlags;
import com.sun.tools.classfile.Attribute;
import com.sun.tools.classfile.ClassFile;
import com.sun.tools.classfile.InnerClasses_attribute;
import com.sun.tools.classfile.InnerClasses_attribute.Info;
import com.sun.tools.javac.util.Assert;

public class InnerClassAttrMustNotHaveStrictFPFlagTest {

    public static void main(String[] args) throws Exception {
        new InnerClassAttrMustNotHaveStrictFPFlagTest().run();
    }

    private void run() throws Exception {
        File classPath = new File(System.getProperty("test.classes"), getClass().getSimpleName() + ".class");
        analyzeClassFile(classPath);
    }

    void analyzeClassFile(File path) throws Exception {
        ClassFile classFile = ClassFile.read(path);
        InnerClasses_attribute innerClasses =
                (InnerClasses_attribute) classFile.attributes.get(Attribute.InnerClasses);
        for (Info classInfo : innerClasses.classes) {
            Assert.check(!classInfo.inner_class_access_flags.is(AccessFlags.ACC_STRICT),
                    "Inner classes attribute must not have the ACC_STRICT flag set");
        }
    }

    strictfp void m() {
        new Runnable() {
            @Override
            public void run() {}
        };
    }

    static strictfp class Strict extends InnerClassAttrMustNotHaveStrictFPFlagTest {}

}