T6654037.java revision 2721:f7ce2cfa4cdb 
1/*
2 * Copyright (c) 2008, 2014, 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 6654037
27 * @summary JCTree.pos may be incorrect for BinaryTrees
28 */
29
30import com.sun.source.tree.BinaryTree;
31import com.sun.source.tree.ClassTree;
32import com.sun.source.tree.CompilationUnitTree;
33import com.sun.source.tree.MethodTree;
34import com.sun.source.tree.VariableTree;
35import com.sun.tools.javac.api.JavacTaskImpl;
36import com.sun.tools.javac.tree.JCTree;
37import java.net.URI;
38import java.util.Arrays;
39import javax.tools.JavaCompiler;
40import javax.tools.JavaFileObject;
41import javax.tools.SimpleJavaFileObject;
42import javax.tools.ToolProvider;
43
44public class T6654037 {
45
46    public static void main(String[] args) throws Exception {
47        final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
48        assert tool != null;
49
50        String code = "package test; public class Test {private void test() {Object o = null; boolean b = o != null && o instanceof String;} private Test() {}}";
51
52        JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, Arrays.asList("-Xjcov"), null, Arrays.asList(new MyFileObject(code)));
53        CompilationUnitTree cut = ct.parse().iterator().next();
54        ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0);
55        MethodTree method = (MethodTree) clazz.getMembers().get(0);
56        VariableTree condSt = (VariableTree) method.getBody().getStatements().get(1);
57        BinaryTree cond = (BinaryTree) condSt.getInitializer();
58        JCTree condJC = (JCTree) cond;
59
60        if (condJC.pos != 93)
61            throw new IllegalStateException("Unexpected position=" + condJC.pos);
62    }
63
64    static class MyFileObject extends SimpleJavaFileObject {
65        private String text;
66        public MyFileObject(String text) {
67            super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
68            this.text = text;
69        }
70        @Override
71        public CharSequence getCharContent(boolean ignoreEncodingErrors) {
72            return text;
73        }
74    }
75}
76