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 * 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

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 *

 * 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.

 *

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 */

/*

 * @test

 * @bug 8159524

 * @summary Tests JDK internal APIs with and without replacements

 * @library ../lib

 * @modules jdk.jdeps/com.sun.tools.jdeps

 * @build CompilerUtils JdepsUtil

 * @run testng ShowReplacement

 */

import java.nio.file.Path;

import java.nio.file.Paths;

import java.util.Map;

import org.testng.annotations.BeforeTest;

import org.testng.annotations.Test;

import static org.testng.Assert.assertEquals;

import static org.testng.Assert.assertTrue;

public class ShowReplacement {

    private static final String TEST_SRC = System.getProperty("test.src");

    private static final Path CLASSES_DIR = Paths.get("classes");

    private static final Map<String, String> REPLACEMENTS = Map.of(

        "sun.security.util.HostnameChecker",

        "Use javax.net.ssl.SSLParameters.setEndpointIdentificationAlgorithm(\"HTTPS\") @since 1.7",

        "",

        "or javax.net.ssl.HttpsURLConnection.setHostnameVerifier() @since 1.4");

    /**

     * Compiles classes used by the test

     */

    @BeforeTest

    public void compileAll() throws Exception {

        CompilerUtils.cleanDir(CLASSES_DIR);

        Path tmp = Paths.get("tmp");

        assertTrue(CompilerUtils.compile(Paths.get(TEST_SRC, "src", "apple"), tmp));

        assertTrue(CompilerUtils.compile(Paths.get(TEST_SRC, "src", "q"),

                                         CLASSES_DIR,

                                         "-cp", tmp.toString(),

                                         "--add-exports=java.base/sun.security.util=ALL-UNNAMED"));

    }

    @Test

    public void withReplacement() {

        Path file = Paths.get("q", "WithRepl.class");

        String[] output = JdepsUtil.jdeps("-jdkinternals", CLASSES_DIR.resolve(file).toString());

        int i = 0;

        while (!output[i].contains("Suggested Replacement")) {

            i++;

        }

        // must match the number of JDK internal APIs

        int count = output.length-i-2;

        assertEquals(count, REPLACEMENTS.size());

        for (int j=i+2; j < output.length; j++) {

            String line = output[j];

            int pos = line.indexOf("Use ");

            if (pos < 0)

                pos = line.indexOf("or");

            assertTrue(pos > 0);

            String name = line.substring(0, pos).trim();

            String repl = line.substring(pos, line.length()).trim();

            assertEquals(REPLACEMENTS.get(name), repl);

        }

    }

    /*

     * A JDK internal class has been removed while its package still exists.

     */

    @Test

    public void noReplacement() {

        Path file = Paths.get("q", "NoRepl.class");

        String[] output = JdepsUtil.jdeps("-jdkinternals", CLASSES_DIR.resolve(file).toString());

        int i = 0;

        // expect no replacement

        while (i < output.length && !output[i].contains("Suggested Replacement")) {

            i++;

        }

        // no replacement

        assertEquals(output.length-i, 0);

    }

    /*

     * A JDK internal package has been removed.

     */

    @Test

    public void removedPackage() {

        Path file = Paths.get("q", "RemovedPackage.class");

        int i = 0;

        // expect no replacement

        while (i < output.length && !output[i].contains("Suggested Replacement")) {

            i++;

        }

        // no replacement

        assertEquals(output.length-i, 0);

    }

}