jdk

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/*
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 * Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test
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 * @bug 6654037
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 * @summary JCTree.pos may be incorrect for BinaryTrees
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 * @modules jdk.compiler/com.sun.tools.javac.api
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 *          jdk.compiler/com.sun.tools.javac.tree
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 */
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import com.sun.source.tree.BinaryTree;
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import com.sun.source.tree.ClassTree;
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import com.sun.source.tree.CompilationUnitTree;
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import com.sun.source.tree.MethodTree;
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import com.sun.source.tree.VariableTree;
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import com.sun.tools.javac.api.JavacTaskImpl;
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import com.sun.tools.javac.tree.JCTree;
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import java.net.URI;
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import java.util.Arrays;
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import javax.tools.JavaCompiler;
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import javax.tools.JavaFileObject;
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import javax.tools.SimpleJavaFileObject;
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import javax.tools.ToolProvider;
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public class T6654037 {
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    public static void main(String[] args) throws Exception {
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        final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
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        assert tool != null;
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        String code = "package test; public class Test {private void test() {Object o = null; boolean b = o != null && o instanceof String;} private Test() {}}";
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        JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, Arrays.asList("-Xjcov"), null, Arrays.asList(new MyFileObject(code)));
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        CompilationUnitTree cut = ct.parse().iterator().next();
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        ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0);
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        MethodTree method = (MethodTree) clazz.getMembers().get(0);
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        VariableTree condSt = (VariableTree) method.getBody().getStatements().get(1);
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        BinaryTree cond = (BinaryTree) condSt.getInitializer();
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        JCTree condJC = (JCTree) cond;
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        if (condJC.pos != 93)
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            throw new IllegalStateException("Unexpected position=" + condJC.pos);
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    }
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    static class MyFileObject extends SimpleJavaFileObject {
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        private String text;
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        public MyFileObject(String text) {
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            super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
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            this.text = text;
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        }
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        @Override
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        public CharSequence getCharContent(boolean ignoreEncodingErrors) {
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            return text;
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        }
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    }
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}
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