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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 * under the terms of the GNU General Public License version 2 only, as

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 *

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 * 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 8152771

 * @summary test tree access of module declarations

 * @library /tools/lib

 * @modules

 *      jdk.compiler/com.sun.tools.javac.api

 *      jdk.compiler/com.sun.tools.javac.main

 *      jdk.jdeps/com.sun.tools.javap

 * @build toolbox.ToolBox ModuleTestBase

 * @run main ModuleInfoTreeAccess

 */

import java.nio.file.Path;

import javax.lang.model.element.ModuleElement;

import javax.tools.JavaCompiler;

import javax.tools.JavaFileObject;

import javax.tools.StandardJavaFileManager;

import javax.tools.ToolProvider;

import com.sun.source.doctree.DocCommentTree;

import com.sun.source.util.JavacTask;

import com.sun.source.util.TreePath;

import com.sun.tools.javac.api.JavacTrees;

public class ModuleInfoTreeAccess extends ModuleTestBase {

    public static void main(String... args) throws Exception {

        ModuleInfoTreeAccess t = new ModuleInfoTreeAccess();

        t.runTests();

    }

    private void assertNotNull(String prefix, Object actual) {

        if (actual == null) {

            throw new AssertionError(prefix + ": unexpected null! ");

        }

    }

    @Test

    public void testTreePathForModuleDecl(Path base) throws Exception {

        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();

        try (StandardJavaFileManager fm = compiler.getStandardFileManager(null, null, null)) {

            Path src = base.resolve("src");

            tb.writeJavaFiles(src, "/** Test module */ module m1x {}");

            Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(findJavaFiles(src));

            JavacTask task = (JavacTask) compiler.getTask(null, fm, null, null, null, files);

            task.analyze();

            JavacTrees trees = JavacTrees.instance(task);

            ModuleElement mdle = (ModuleElement) task.getElements().getModuleElement("m1x");

            TreePath path = trees.getPath(mdle);

            assertNotNull("path", path);

            ModuleElement mdle1 = (ModuleElement) trees.getElement(path);

            assertNotNull("mdle1", mdle1);

            DocCommentTree docCommentTree = trees.getDocCommentTree(mdle);

            assertNotNull("docCommentTree", docCommentTree);

        }

    }

    @Test

    public void testTreePathForModuleDeclWithImport(Path base) throws Exception {

        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();

        try (StandardJavaFileManager fm = compiler.getStandardFileManager(null, null, null)) {

            Path src = base.resolve("src");

            tb.writeJavaFiles(src, "import java.lang.Deprecated; /** Test module */ @Deprecated module m1x {}");

            Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(findJavaFiles(src));

            JavacTask task = (JavacTask) compiler.getTask(null, fm, null, null, null, files);

            task.analyze();

            JavacTrees trees = JavacTrees.instance(task);

            ModuleElement mdle = (ModuleElement) task.getElements().getModuleElement("m1x");

            TreePath path = trees.getPath(mdle);

            assertNotNull("path", path);

            ModuleElement mdle1 = (ModuleElement) trees.getElement(path);

            assertNotNull("mdle1", mdle1);

            DocCommentTree docCommentTree = trees.getDocCommentTree(mdle);

            assertNotNull("docCommentTree", docCommentTree);

        }

    }

}