/*
* Copyright ( c ) 2008 , 2015 , Oracle and / or its affiliates . All rights reserved .
* 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 .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
/*
* @ test
* @ bug 6654037
* @ summary JCTree . pos may be incorrect for BinaryTrees
* @ modules jdk . compiler / com . sun . tools . javac . api
* jdk . compiler / com . sun . tools . javac . tree
*/
import com.sun.source.tree.BinaryTree;
import com.sun.source.tree.ClassTree;
import com.sun.source.tree.CompilationUnitTree;
import com.sun.source.tree.MethodTree;
import com.sun.source.tree.VariableTree;
import com.sun.tools.javac.api.JavacTaskImpl;
import com.sun.tools.javac.tree.JCTree;
import java.net.URI;
import java.util.Arrays;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileObject;
import javax.tools.SimpleJavaFileObject;
import javax.tools.ToolProvider;
public class T6654037 {
public static void main(String[] args) throws Exception {
final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
assert tool != null ;
String code = "package test; public class Test {private void test() {Object o = null; boolean b = o != null && o instanceof String;} private Test() {}}" ;
JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null , null , null , Arrays.asList("-Xjcov" ), null , Arrays.asList(new MyFileObject(code)));
CompilationUnitTree cut = ct.parse().iterator().next();
ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0 );
MethodTree method = (MethodTree) clazz.getMembers().get(0 );
VariableTree condSt = (VariableTree) method.getBody().getStatements().get(1 );
BinaryTree cond = (BinaryTree) condSt.getInitializer();
JCTree condJC = (JCTree) cond;
if (condJC.pos != 93 )
throw new IllegalStateException("Unexpected position=" + condJC.pos);
}
static class MyFileObject extends SimpleJavaFileObject {
private String text;
public MyFileObject(String text) {
super (URI.create("myfo:/Test.java" ), JavaFileObject.Kind.SOURCE);
this .text = text;
}
@Override
public CharSequence getCharContent(boolean ignoreEncodingErrors) {
return text;
}
}
}
Messung V0.5 in Prozent C=93 H=89 G=90
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-06-10)
¤
*© Formatika GbR, Deutschland