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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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*
* 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 .
*
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*/
/*
* @ test
* @ bug 8184739
* @ summary Check correct end position of the PackageTree
* @ modules jdk . compiler
*/
import com.sun.source.tree.CompilationUnitTree;
import com.sun.source.util.JavacTask;
import com.sun.source.util.Trees;
import java.io.IOException;
import java.net.URI;
import java.util.Collections;
import java.util.List;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileObject;
import javax.tools.SimpleJavaFileObject;
import static javax.tools.JavaFileObject.Kind.SOURCE;
import javax.tools.ToolProvider;
import com.sun.source.tree.ImportTree;
import com.sun.source.tree.PackageTree;
public class T8184739 {
public static void main(String... args) throws IOException {
class MyFileObject extends SimpleJavaFileObject {
MyFileObject() {
super (URI.create("myfo:///Test.java"), SOURCE);
}
@Override
public String getCharContent(boolean ignoreEncodingErrors) {
// 0 1 2 3 4
// 0123456789012345678901234567890123456789012345
return "package a.b; /*foo*/ import java.lang.Object; /*foo*/ class Test { Test() { } }";
}
}
JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
List<JavaFileObject> compilationUnits =
Collections.<JavaFileObject>singletonList(new MyFileObject());
JavacTask task = (JavacTask)javac.getTask(null , null , null , null , null , compilationUnits);
Trees trees = Trees.instance(task);
CompilationUnitTree toplevel = task.parse().iterator().next();
PackageTree pt = toplevel.getPackage();
ImportTree impt = toplevel.getImports().get(0 );
long pos = trees.getSourcePositions().getStartPosition(toplevel, pt);
if (pos != 0 )
throw new AssertionError(String.format("Start pos for %s is incorrect (%s)!" ,
pt, pos));
pos = trees.getSourcePositions().getEndPosition(toplevel, pt);
if (pos != 12 )
throw new AssertionError(String.format("End pos for %s is incorrect (%s)!" ,
pt, pos));
pos = trees.getSourcePositions().getStartPosition(toplevel, impt);
if (pos != 21 )
throw new AssertionError(String.format("Start pos for %s is incorrect (%s)!" ,
impt, pos));
pos = trees.getSourcePositions().getEndPosition(toplevel, impt);
if (pos != 45 )
throw new AssertionError(String.format("End pos for %s is incorrect (%s)!" ,
impt, pos));
}
}
Messung V0.5 in Prozent C=91 H=92 G=91
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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