/*

 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.

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

 *

 * This code is free software; you can redistribute it and/or modify it

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

 * published by the Free Software Foundation.

 *

 * This code 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 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 8022163

 * @summary javac exits with 0 status and no messages on error to construct an ann-procesor

 */

import java.io.*;

public class TestBadProcessor {

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

        new TestBadProcessor().run();

    }

    public static final String badAnnoProcSrc =

        "import java.util.*;\n" +

        "import javax.annotation.processing.*;\n" +

        "import javax.lang.model.element.*;\n" +

        "public class AnnoProc extends AbstractProcessor {\n" +

        "    public AnnoProc() {\n" +

        "        throw new Error();\n" +

        "    }\n" +

        "    public boolean process(Set<? extends TypeElement> elems, \n" +

        "                        RoundEnvironment rEnv) {\n" +

        "        return false;\n" +

        "    }\n" +

        "}\n";

    public void run() throws Exception {

        // setup

        File srcDir = new File("src");

        File classesDir = new File("classes");

        classesDir.mkdirs();

        File srcFile = writeFile(srcDir, "AnnoProc.java", badAnnoProcSrc);

        compile("-d", classesDir.getPath(), srcFile.getPath());

        writeFile(classesDir, "META-INF/services/javax.annotation.processing.Processor", "AnnoProc");

        // run the primary compilation

        int rc;

        StringWriter sw = new StringWriter();

        try (PrintWriter pw = new PrintWriter(sw)) {

            String[] args = { "-processorpath", classesDir.getPath(), srcFile.getPath() };

            rc = com.sun.tools.javac.Main.compile(args, pw);

        }

        // verify that it failed as expected, with the expected message

        String out = sw.toString();

        System.err.println(out);

        String expect = "error: Bad service configuration file, " +

                "or exception thrown while constructing Processor object: " +

                "javax.annotation.processing.Processor: " +

                "Provider AnnoProc could not be instantiated: java.lang.Error\n" +

                "1 error";

            System.err.println("expected: " + expect);

            error("output not as expected");

        }

        if (rc == 0) {

            error("unexpected exit code: " + rc + "; expected: not zero");

        }

        // summary

        if (errors > 0)

            throw new Exception(errors + " errors found");

    }

    void compile(String... args) throws Exception {

        int rc;

        StringWriter sw = new StringWriter();

        try (PrintWriter pw = new PrintWriter(sw)) {

            rc = com.sun.tools.javac.Main.compile(args, pw);

        }

        String out = sw.toString();

        if (!out.isEmpty())

            System.err.println(out);

        if (rc != 0)

            throw new Exception("compilation failed");

    }

    File writeFile(File dir, String path, String body) throws IOException {

        File f = new File(dir, path);

        f.getParentFile().mkdirs();

        try (FileWriter out = new FileWriter(f)) {

            out.write(body);

        }

        return f;

    }

    void error(String msg) {

        System.err.println("Error: " + msg);

        errors++;

    }

    int errors;

}