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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 8142931
* @ summary java compiler : type erasure doesn ' t work since 9 - b28
* @ modules jdk . compiler / com . sun . tools . javac . api
* jdk . compiler / com . sun . tools . javac . file
*/
import java.io.*;
import java.util.*;
import javax.annotation.processing.*;
import javax.lang.model.*;
import javax.lang.model.element.*;
import javax.lang.model.util.ElementFilter;
import javax.lang.model.type.TypeMirror;
import javax.lang.model.type.DeclaredType;
import javax.tools.*;
import com.sun.source.util.*;
import com.sun.tools.javac.api.*;
@SupportedAnnotationTypes("*" )
public class T8142931 extends AbstractProcessor {
public java.util.List<? extends javax.xml.namespace.QName> f0;
public static void main(String... args) throws IOException {
String testSrc = System.getProperty("test.src" , "." );
String testClasses = System.getProperty("test.classes" );
JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
MyDiagListener dl = new MyDiagListener();
try (StandardJavaFileManager fm = tool.getStandardFileManager(dl, null , null )) {
Iterable<? extends JavaFileObject> files =
fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrc, T8142931.class .getName()+".java" )));
Iterable<String> opts = Arrays.asList(
"--add-exports" , "jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED" ,
"-XDaccessInternalAPI" ,
"-proc:only" ,
"-processor" , "T8142931" ,
"-processorpath" , testClasses);
StringWriter out = new StringWriter();
JavacTask task = (JavacTask)tool.getTask(out, fm, dl, opts, null , files);
task.call();
String s = out.toString();
System.err.print(s);
System.err.println(dl.count + " diagnostics; " + s.length() + " characters" );
if (dl.count != 0 || s.length() != 0 )
throw new AssertionError("unexpected output from compiler" );
}
}
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
Set<? extends Element> set = roundEnv.getRootElements();
for (Element element : set) {
Collection<VariableElement> fields = ElementFilter.fieldsIn(((TypeElement) element).getEnclosedElements());
for (VariableElement field : fields) {
TypeMirror listType = field.asType();
List<? extends TypeMirror> typeArgs = ((DeclaredType) listType).getTypeArguments();
TypeMirror arg = typeArgs.get(0 );
String erasure = processingEnv.getTypeUtils().erasure(arg).toString();
if (!erasure.equals("javax.xml.namespace.QName" ))
throw new AssertionError("Wrong Erasure: " + erasure);
}
}
return false ;
}
@Override
public SourceVersion getSupportedSourceVersion() {
return SourceVersion.latest();
}
static class MyDiagListener implements DiagnosticListener {
public void report(Diagnostic d) {
System.err.println(d);
count++;
}
public int count;
}
}
Messung V0.5 in Prozent C=98 H=100 G=98
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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