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 * 2 along with this work; if not, write to the Free Software Foundation,

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/*

 * @test

 * @bug 8038455

 * @summary Verify that Types caches (in particular MembersClosureCache) get cleared between rounds.

 * @library /tools/javac/lib

 * @build JavacTestingAbstractProcessor TypesCachesCleared

 * @compile/process -processor TypesCachesCleared TypesCachesCleared.java

 */

import java.util.*;

import javax.annotation.processing.*;

import javax.lang.model.element.*;

import static javax.lang.model.util.ElementFilter.constructorsIn;

import javax.lang.model.util.Elements;

import com.sun.source.tree.ClassTree;

import com.sun.source.tree.NewClassTree;

import com.sun.source.util.TreePath;

import com.sun.source.util.TreePathScanner;

import com.sun.source.util.Trees;

public class TypesCachesCleared extends JavacTestingAbstractProcessor {

    int round = 1;

    public boolean process(Set<? extends TypeElement> annotations,

                           RoundEnvironment roundEnv) {

        new TestPathScanner<Void>() {

            @Override

            public void visit(Void t) {

            }

        };

        TypeElement currentClass = elements.getTypeElement("TypesCachesCleared");

        Trees trees = Trees.instance(processingEnv);

        TreePath path = trees.getPath(currentClass);

        new TreePathScanner<Void, Void>() {

            @Override public Void visitClass(ClassTree node, Void p) {

                trees.getElement(getCurrentPath());

                return super.visitClass(node, p);

            }

        }.scan(path, null);

        return false;

    }

    public TypesCachesCleared() {

        class Local { }

        new Object() { };

    }

    public boolean process(Elements elements) {

        TypeElement currentClass = elements.getTypeElement("OnDemandAttribution");

        ExecutableElement constr = constructorsIn(currentClass.getEnclosedElements()).get(0);

        Trees trees = Trees.instance(processingEnv);

        TreePath path = trees.getPath(constr);

        new TreePathScanner<Void, Void>() {

            @Override public Void visitClass(ClassTree node, Void p) {

                if (node.getSimpleName().contentEquals("Local")) {

                     //will also attribute the body on demand:

                    Element el = trees.getElement(getCurrentPath());

                    Name binaryName = elements.getBinaryName((TypeElement) el);

                    if (!binaryName.contentEquals("OnDemandAttribution$1Local")) {

                        throw new IllegalStateException("Incorrect binary name=" + binaryName);

                    }

                }

                return super.visitClass(node, p);

            }

            @Override public Void visitNewClass(NewClassTree node, Void p) {

                Element el = trees.getElement(getCurrentPath());

                Name binaryName = elements.getBinaryName((TypeElement) el.getEnclosingElement());

                if (!binaryName.contentEquals("OnDemandAttribution$1")) {

                    throw new IllegalStateException("Incorrect binary name=" + binaryName);

                }

                return super.visitNewClass(node, p);

            }

        }.scan(path, null);

        return true;

    }

    public static interface TestVisitor<T> {

        public void visit(T t);

    }

    public static class TestScanner<T> implements TestVisitor<T> {

        public void visit(T t) { }

    }

    public static class TestPathScanner<T> extends TestScanner<T> {

        public void visit(T t) { }

    }

}