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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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
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 *
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 * 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 6453386 8216404
 * @summary Test Elements.getPackageOf
 * @author  Joseph D. Darcy
 * @library /tools/javac/lib
 * @modules java.compiler
 *          jdk.compiler
 * @build   JavacTestingAbstractProcessor TestGetPackageOf
 * @compile -processor TestGetPackageOf -proc:only TestGetPackageOf.java
 */

import java.util.Set;
import javax.annotation.processing.*;
import javax.lang.model.SourceVersion;
import static javax.lang.model.SourceVersion.*;
import javax.lang.model.element.*;
import javax.lang.model.util.*;
import static javax.lang.model.util.ElementFilter.*;
import static javax.tools.Diagnostic.Kind.*;
import static javax.tools.StandardLocation.*;

/**
 * Test basic workings of Elements.getPackageOf
 */
public class TestGetPackageOf extends JavacTestingAbstractProcessor {
    /**
     * Check expected behavior on classes and packages.
     */
    public boolean process(Set<? extends TypeElement> annotations,
                           RoundEnvironment roundEnv) {
        if (!roundEnv.processingOver()) {
            TypeElement    stringElt   = eltUtils.getTypeElement("java.lang.String");
            PackageElement javaLangPkg = eltUtils.getPackageElement("java.lang");
            PackageElement unnamedPkg  = eltUtils.getPackageElement("");
            ModuleElement  moduleElt   = eltUtils.getModuleElement("java.base");
            PackageElement pkg = null;

            if (!javaLangPkg.equals(pkg=eltUtils.getPackageOf(stringElt) ) )
                throw new RuntimeException("Unexpected package for String: " + pkg);

            if (!javaLangPkg.equals(pkg=eltUtils.getPackageOf(javaLangPkg) ) )
                throw new RuntimeException("Unexpected package for java.lang: " + pkg);

            if (!unnamedPkg.equals(pkg=eltUtils.getPackageOf(unnamedPkg) ) )
                throw new RuntimeException("Unexpected package for unnamed pkg: " + pkg);

            if (eltUtils.getPackageOf(moduleElt) != null)
                throw new RuntimeException("Unexpected package for module" +
                                           moduleElt.getSimpleName());
        }
        return true;
    }
}