1 /*

     2  * Copyright 2008-2010 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug 6654037

    27  * @summary JCTree.pos may be incorrect for BinaryTrees

    28  */

    29 

    30 import com.sun.source.tree.BinaryTree;

    31 import com.sun.source.tree.ClassTree;

    32 import com.sun.source.tree.CompilationUnitTree;

    33 import com.sun.source.tree.MethodTree;

    34 import com.sun.source.tree.VariableTree;

    35 import com.sun.tools.javac.api.JavacTaskImpl;

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

    37 import java.net.URI;

    38 import java.util.Arrays;

    39 import javax.tools.JavaCompiler;

    40 import javax.tools.JavaFileObject;

    41 import javax.tools.SimpleJavaFileObject;

    42 import javax.tools.ToolProvider;

    43 

    44 public class T6654037 {

    45 

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

    47         final String bootPath = System.getProperty("sun.boot.class.path"); //NOI18N

    48         final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();

    49         assert tool != null;

    50 

    51         String code = "package test; public class Test {private void test() {Object o = null; boolean b = o != null && o instanceof String;} private Test() {}}";

    52 

    53         JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, Arrays.asList("-bootclasspath", bootPath, "-Xjcov"), null, Arrays.asList(new MyFileObject(code)));

    54         CompilationUnitTree cut = ct.parse().iterator().next();

    55         ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0);

    56         MethodTree method = (MethodTree) clazz.getMembers().get(0);

    57         VariableTree condSt = (VariableTree) method.getBody().getStatements().get(1);

    58         BinaryTree cond = (BinaryTree) condSt.getInitializer();

    59         JCTree condJC = (JCTree) cond;

    60 

    61         if (condJC.pos != 93)

    62             throw new IllegalStateException("Unexpected position=" + condJC.pos);

    63     }

    64 

    65     static class MyFileObject extends SimpleJavaFileObject {

    66         private String text;

    67         public MyFileObject(String text) {

    68             super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);

    69             this.text = text;

    70         }

    71         @Override

    72         public CharSequence getCharContent(boolean ignoreEncodingErrors) {

    73             return text;

    74         }

    75     }

    76 }