/*

 * Copyright (c) 2010, 2013, 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

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 */

import java.io.File;

import java.nio.charset.Charset;

import java.nio.file.Files;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;

import static java.nio.file.StandardOpenOption.*;

/*

 * @test

 * @summary tests various classfile format and attribute handling by pack200

 * @compile -XDignore.symbol.file Utils.java AttributeTests.java

 * @run main AttributeTests

 * @author ksrini

 */

public class AttributeTests {

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

        test6746111();

        testMethodParameters();

    }

    /*

     * this tests ensure that MethodParameters produces by javac is packed

     * correctly. Usually this is not the case as new attributes are available

     * in the sdk jars, since MethodParameters happens to be an optional

     * attribute, thus this test.

     */

    static void testMethodParameters() throws Exception {

        List<String> scratch = new ArrayList<>();

        final String fname = "MP";

        String javaFileName = fname + Utils.JAVA_FILE_EXT;

        String javaClassName = fname + Utils.CLASS_FILE_EXT;

        scratch.add("class " + fname + " {");

        scratch.add("void foo2(int j, final int k){}");

        scratch.add("}");

        File cwd = new File(".");

        File javaFile = new File(cwd, javaFileName);

        Files.write(javaFile.toPath(), scratch, Charset.defaultCharset(),

                CREATE, TRUNCATE_EXISTING);

        Utils.compiler(javaFile.getName(), "-parameters");

        // jar the file up

        File testjarFile = new File(cwd, "test" + Utils.JAR_FILE_EXT);

        Utils.jar("cvf", testjarFile.getName(), javaClassName);

    }

    /*

     * this test checks to see if we get the expected strings for output

     */

    static void test6746111() throws Exception {

        String pack200Cmd = Utils.getPack200Cmd();

        File badAttrJar = new File(".", "badattr.jar");

        Utils.copyFile(new File(Utils.TEST_SRC_DIR, "badattr.jar"), badAttrJar);

        File testJar = new File(".", "test.jar");

        List<String> cmds = new ArrayList<String>();

        cmds.add(pack200Cmd);

        cmds.add("--repack");

        cmds.add("-v");

        cmds.add(testJar.getAbsolutePath());

        cmds.add(badAttrJar.getAbsolutePath());

        List<String> output = Utils.runExec(cmds);

        /*

         * compare the repacked jar bit-wise, as all the files

         * should be transmitted "as-is".

         */

        Utils.doCompareBitWise(badAttrJar.getAbsoluteFile(), testJar.getAbsoluteFile());

        String[] expectedStrings = {

            "WARNING: Passing class file uncompressed due to unrecognized" +

                    " attribute: Foo.class",

            "INFO: com.sun.java.util.jar.pack.Attribute$FormatException: " +

                    "class attribute \"XourceFile\":  is unknown attribute " +

                    "in class Foo",

            "INFO: com.sun.java.util.jar.pack.ClassReader$ClassFormatException: " +

                    "AnnotationDefault: attribute length cannot be zero, in Test.message()",

            "WARNING: Passing class file uncompressed due to unknown class format: Test.class"

        };

        List<String> notfoundList = new ArrayList<String>();

        notfoundList.addAll(Arrays.asList(expectedStrings));

        // make sure the expected messages are emitted

        for (String x : output) {

            findString(x, notfoundList, expectedStrings);

        }

        if (!notfoundList.isEmpty()) {

            System.out.println("Not found:");

            for (String x : notfoundList) {

                System.out.println(x);

            }

            throw new Exception("Test fails: " + notfoundList.size() +

                    " expected strings not found");

        }

        testJar.delete();

        badAttrJar.delete();

    }

    private static void findString(String outputStr, List<String> notfoundList,

            String[] expectedStrings) {

        for (String y : expectedStrings) {

            if (outputStr.contains(y)) {

                notfoundList.remove(y);

                return;

            }

        }

    }

}