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/*
* @ test
* @ bug 8152616
* @ summary Unit test for corner case of PrettyPrinting when SourceOutput is false
* @ modules jdk . compiler / com . sun . tools . javac . api
* jdk . compiler / com . sun . tools . javac . tree
*/
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.io.StringWriter;
import javax.tools.StandardJavaFileManager;
import javax.tools.DiagnosticListener;
import com.sun.source.tree.CompilationUnitTree;
import com.sun.source.util.JavacTask;
import com.sun.tools.javac.api.JavacTool;
import com.sun.tools.javac.tree.JCTree;
import com.sun.tools.javac.tree.Pretty;
import java.io.IOException;
public class T8152616 {
public String PrettyPrint(JCTree tree){
StringWriter s = new StringWriter();
try {
new Pretty(s, false ).printExpr(tree);
}
catch (IOException e) {
throw new AssertionError(e);
}
return s.toString();
}
public static void main(String[] args) throws Exception {
T8152616 obj = new T8152616();
JavacTool javac = JavacTool.create();
StandardJavaFileManager jfm = javac.getStandardFileManager(null ,null ,null );
File file = File.createTempFile("test" , ".java" );
OutputStream outputStream = new FileOutputStream(file);
outputStream.write("enum Foo {AA(10), BB, CC { void m() {} }; void m() {};}" .getBytes());
JavacTask task = javac.getTask(null , jfm, null , null , null ,
jfm.getJavaFileObjects(file.getAbsolutePath()));
Iterable<? extends CompilationUnitTree> trees = task.parse();
CompilationUnitTree thisTree = trees.iterator().next();
file.delete ();
outputStream = new FileOutputStream(file);
outputStream.write((obj.PrettyPrint((JCTree)thisTree)).getBytes());
task = javac.getTask(null , jfm, null , null , null ,
jfm.getJavaFileObjects(file.getAbsolutePath()));
if (task.parse().toString().contains("ERROR" )){
throw new AssertionError("parsing temp file failed with errors" );
}else {
System.out.println("parsing successfull" );
}
file.delete ();
}
}
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