/*

 * 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.

 *

 * 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,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

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 */

/*

 * @test

 * @bug     6852595

 * @summary Accessing scope using JSR199 API on erroneous tree causes Illegal Argument Exception

 * @author  mcimadamore

 */

import java.io.IOException;

import java.net.URI;

import java.util.Arrays;

import java.util.List;

import javax.tools.JavaCompiler;

import javax.tools.JavaFileObject;

import javax.tools.SimpleJavaFileObject;

import javax.tools.ToolProvider;

import com.sun.source.util.JavacTask;

import com.sun.source.tree.*;

import com.sun.source.util.TreePath;

import com.sun.source.util.Trees;

import com.sun.tools.javac.api.JavacTrees;

import com.sun.tools.javac.tree.JCTree.*;

import static javax.tools.JavaFileObject.Kind;

public class T6852595 {

    public static void main(String[] args) throws IOException {

        JavaFileObject sfo = new SimpleJavaFileObject(URI.create("myfo:/Test.java"),Kind.SOURCE) {

            public CharSequence getCharContent(boolean ignoreEncodingErrors) {

                return "class BadName { Object o = j; }";

            }

        };

        List<? extends JavaFileObject> files = Arrays.asList(sfo);

        JavaCompiler tool = ToolProvider.getSystemJavaCompiler();

        JavacTask ct = (JavacTask)tool.getTask(null, null, null, null, null, files);

        Iterable<? extends CompilationUnitTree> compUnits = ct.parse();

        CompilationUnitTree cu = compUnits.iterator().next();

        ClassTree cdef = (ClassTree)cu.getTypeDecls().get(0);

        JCVariableDecl vdef = (JCVariableDecl)cdef.getMembers().get(0);

        TreePath path = TreePath.getPath(cu, vdef.init);

        Trees.instance(ct).getScope(path);

    }

}