/*

 * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.

 * 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

 * 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.

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 */

/*

 * @test

 * @summary Initiating and defining classloader test.

 * @requires vm.cds

 * @library /test/lib

 * @compile test-classes/Hello.java

 * @compile test-classes/HelloWB.java

 * @compile test-classes/ForNameTest.java

 * @compile test-classes/BootClassPathAppendHelper.java

 * @build sun.hotspot.WhiteBox

 * @run driver ClassFileInstaller sun.hotspot.WhiteBox

 * @run driver ClassLoaderTest

 */

import java.io.File;

import jdk.test.lib.process.OutputAnalyzer;

public class ClassLoaderTest {

    public static void main(String[] args) throws Exception {

        JarBuilder.build(true, "ClassLoaderTest-WhiteBox", "sun/hotspot/WhiteBox");

        JarBuilder.getOrCreateHelloJar();

        JarBuilder.build("ClassLoaderTest-HelloWB", "HelloWB");

        JarBuilder.build("ClassLoaderTest-ForName", "ForNameTest");

        ClassLoaderTest test = new ClassLoaderTest();

        test.testBootLoader();

        test.testDefiningLoader();

    }

    public void testBootLoader() throws Exception {

        String appJar = TestCommon.getTestJar("ClassLoaderTest-HelloWB.jar");

        String appClasses[] = {"HelloWB"};

        String whiteBoxJar = TestCommon.getTestJar("ClassLoaderTest-WhiteBox.jar");

        String bootClassPath = "-Xbootclasspath/a:" + appJar +

            File.pathSeparator + whiteBoxJar;

        TestCommon.dump(appJar, appClasses, bootClassPath);

        TestCommon.run(

            "-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI",

            "-cp", appJar, bootClassPath, "HelloWB")

          .assertNormalExit(output -> output.shouldContain("HelloWB.class.getClassLoader() = null"));

    }

    public void testDefiningLoader() throws Exception {

        // The boot loader should be used to load the class when it's

        // on the bootclasspath, regardless who is the initiating classloader.

        // In this test case, the AppClassLoader is the initiating classloader.

        String helloJar = TestCommon.getTestJar("hello.jar");

        String appJar = helloJar + System.getProperty("path.separator") +

                        TestCommon.getTestJar("ClassLoaderTest-ForName.jar");

        String whiteBoxJar = TestCommon.getTestJar("ClassLoaderTest-WhiteBox.jar");

        String bootClassPath = "-Xbootclasspath/a:" + helloJar +

            File.pathSeparator + whiteBoxJar;

        // Archive the "Hello" class from the appended bootclasspath

        TestCommon.dump(helloJar, TestCommon.list("Hello"), bootClassPath);

        TestCommon.run("-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI",

            "-cp", appJar, bootClassPath, "-Xlog:class+path=trace", "ForNameTest")

          .assertNormalExit();

    }

}