/*
 * Copyright (C) 2007-2010 Júlio Vilmar Gesser.
 * Copyright (C) 2011, 2013-2024 The JavaParser Team.
 *
 * This file is part of JavaParser.
 *
 * JavaParser can be used either under the terms of
 * a) the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * b) the terms of the Apache License
 *
 * You should have received a copy of both licenses in LICENCE.LGPL and
 * LICENCE.APACHE. Please refer to those files for details.
 *
 * JavaParser 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 Lesser General Public License for more details.
 */

package com.github.javaparser.ast.visitor;

import com.github.javaparser.JavaParser;
import com.github.javaparser.ast.CompilationUnit;
import com.github.javaparser.ast.expr.ObjectCreationExpr;
import java.io.IOException;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;

public class VoidVisitorTest {
    @Test()
    void compareFindAllSizeWithVoidVisitorAdapterSize() throws IOException {
        CompilationUnit unit = createUnit();

        List<ObjectCreationExpr> oce = unit.findAll(ObjectCreationExpr.class);

        AtomicInteger foundObjs = new AtomicInteger(0);
        unit.accept(
                new VoidVisitorAdapter<Object>() {
                    @Override
                    public void visit(ObjectCreationExpr exp, Object arg) {
                        super.visit(exp, arg);
                        ((AtomicInteger) arg).incrementAndGet();
                    }
                },
                foundObjs);

        Assertions.assertEquals(oce.size(), foundObjs.get());
    }

    private CompilationUnit createUnit() {
        JavaParser javaParser = new JavaParser();

        CompilationUnit unit = javaParser
                .parse("public class Test\n" + "{\n"
                        + "   public class InnerTest\n"
                        + "   {\n"
                        + "       public InnerTest() {}\n"
                        + "   }\n"
                        + "    \n"
                        + "   public Test() {\n"
                        + "   }\n"
                        + "\n"
                        + "   public static void main( String[] args ) { \n"
                        + "       new Test().new InnerTest();\n"
                        + "   }\n"
                        + "}")
                .getResult()
                .get();
        return unit;
    }

    @Test()
    void testFindAllSize() throws IOException {
        CompilationUnit unit = createUnit();

        List<ObjectCreationExpr> oce = unit.findAll(ObjectCreationExpr.class);

        Assertions.assertEquals(2, oce.size());
    }
}
