1/*
2 * Copyright (c) 2009, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug     6852595
27 * @summary Accessing scope using JSR199 API on erroneous tree causes Illegal Argument Exception
28 * @author  mcimadamore
29 * @modules jdk.compiler/com.sun.tools.javac.tree
30 */
31
32import java.io.IOException;
33import java.net.URI;
34import java.util.Arrays;
35import java.util.List;
36import javax.tools.JavaCompiler;
37import javax.tools.JavaFileObject;
38import javax.tools.SimpleJavaFileObject;
39import javax.tools.ToolProvider;
40
41import com.sun.source.util.JavacTask;
42import com.sun.source.tree.*;
43import com.sun.source.util.TreePath;
44import com.sun.source.util.Trees;
45import com.sun.tools.javac.tree.JCTree.*;
46
47import static javax.tools.JavaFileObject.Kind;
48
49public class T6852595 {
50    public static void main(String[] args) throws IOException {
51        JavaFileObject sfo = new SimpleJavaFileObject(URI.create("myfo:/Test.java"),Kind.SOURCE) {
52            public CharSequence getCharContent(boolean ignoreEncodingErrors) {
53                return "class BadName { Object o = j; }";
54            }
55        };
56        List<? extends JavaFileObject> files = Arrays.asList(sfo);
57        JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
58        JavacTask ct = (JavacTask)tool.getTask(null, null, null, null, null, files);
59        Iterable<? extends CompilationUnitTree> compUnits = ct.parse();
60        CompilationUnitTree cu = compUnits.iterator().next();
61        ClassTree cdef = (ClassTree)cu.getTypeDecls().get(0);
62        JCVariableDecl vdef = (JCVariableDecl)cdef.getMembers().get(0);
63        TreePath path = TreePath.getPath(cu, vdef.init);
64        Trees.instance(ct).getScope(path);
65    }
66}
67