test/tools/javac/7199823/InnerClassCannotBeVerified.java

changeset 0
959103a6100f
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/javac/7199823/InnerClassCannotBeVerified.java	Wed Apr 27 01:34:52 2016 +0800
     1.3 @@ -0,0 +1,110 @@
     1.4 +/*
     1.5 + * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/*
    1.28 + * @test
    1.29 + * @bug 7199823
    1.30 + * @summary javac generates inner class that can't be verified
    1.31 + * @run main InnerClassCannotBeVerified
    1.32 + */
    1.33 +
    1.34 +import java.util.Arrays;
    1.35 +import javax.tools.JavaFileObject;
    1.36 +import java.net.URI;
    1.37 +import javax.tools.SimpleJavaFileObject;
    1.38 +import javax.tools.ToolProvider;
    1.39 +import javax.tools.JavaCompiler;
    1.40 +import com.sun.source.util.JavacTask;
    1.41 +import com.sun.tools.classfile.ClassFile;
    1.42 +import com.sun.tools.classfile.ConstantPoolException;
    1.43 +import java.io.File;
    1.44 +import java.io.IOException;
    1.45 +
    1.46 +public class InnerClassCannotBeVerified {
    1.47 +
    1.48 +    private static final String errorMessage =
    1.49 +            "Compile error while compiling the following source:\n";
    1.50 +
    1.51 +    public static void main(String... args) throws Exception {
    1.52 +        new InnerClassCannotBeVerified().run();
    1.53 +    }
    1.54 +
    1.55 +    void run() throws Exception {
    1.56 +        JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
    1.57 +        JavaSource source = new JavaSource();
    1.58 +        JavacTask ct = (JavacTask)comp.getTask(null, null, null,
    1.59 +                null, null, Arrays.asList(source));
    1.60 +        try {
    1.61 +            if (!ct.call()) {
    1.62 +                throw new AssertionError(errorMessage +
    1.63 +                        source.getCharContent(true));
    1.64 +            }
    1.65 +        } catch (Throwable ex) {
    1.66 +            throw new AssertionError(errorMessage +
    1.67 +                    source.getCharContent(true));
    1.68 +        }
    1.69 +        check();
    1.70 +    }
    1.71 +
    1.72 +    private void check() throws IOException, ConstantPoolException {
    1.73 +        File file = new File("Test$1.class");
    1.74 +        ClassFile classFile = ClassFile.read(file);
    1.75 +        boolean inheritsFromObject =
    1.76 +                classFile.getSuperclassName().equals("java/lang/Object");
    1.77 +        boolean implementsNoInterface = classFile.interfaces.length == 0;
    1.78 +        boolean noMethods = classFile.methods.length == 0;
    1.79 +        if (!(inheritsFromObject &&
    1.80 +              implementsNoInterface &&
    1.81 +              noMethods)) {
    1.82 +            throw new AssertionError("The inner classes reused as " +
    1.83 +                    "access constructor tag for this code must be empty");
    1.84 +        }
    1.85 +    }
    1.86 +
    1.87 +    class JavaSource extends SimpleJavaFileObject {
    1.88 +
    1.89 +        String internalSource =
    1.90 +                              "public class Test {\n" +
    1.91 +                              "    private static class Foo {}\n" +
    1.92 +                              "    public static void main(String[] args){ \n" +
    1.93 +                              "        new Foo();\n" +
    1.94 +                              "        if(false) {\n" +
    1.95 +                              "            new Runnable() {\n" +
    1.96 +                              "                @Override\n" +
    1.97 +                              "                public void run() {\n" +
    1.98 +                              "                    System.out.println();\n" +
    1.99 +                              "                }\n" +
   1.100 +                              "            }.run();\n" +
   1.101 +                              "        }\n" +
   1.102 +                              "   }\n" +
   1.103 +                              "}";
   1.104 +        public JavaSource() {
   1.105 +            super(URI.create("Test.java"), JavaFileObject.Kind.SOURCE);
   1.106 +        }
   1.107 +
   1.108 +        @Override
   1.109 +        public CharSequence getCharContent(boolean ignoreEncodingErrors) {
   1.110 +            return internalSource;
   1.111 +        }
   1.112 +    }
   1.113 +}

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