test/hotspot/jtreg/runtime/cds/appcds/JvmtiAddPath.java

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/*
 * @test
 * @summary JvmtiEnv::AddToBootstrapClassLoaderSearch and JvmtiEnv::AddToSystemClassLoaderSearch should disable AppCDS
 * @requires vm.cds
 * @bug 8060592
 * @library /test/lib
 * @build jdk.test.whitebox.WhiteBox
 * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
 * @compile test-classes/Hello.java
 * @compile test-classes/JvmtiApp.java
 * @run driver JvmtiAddPath
 */

import java.io.File;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.whitebox.WhiteBox;

public class JvmtiAddPath {
    static String use_whitebox_jar;
    static String[] no_extra_matches = {};
    static String[] check_appcds_enabled = {
        "[class,load] ExtraClass source: shared object"
    };
    static String[] check_appcds_disabled = {
        "[class,load] ExtraClass source: file:"
    };

    static void run(String cp, String... args) throws Exception {
        run(no_extra_matches, cp, args);
    }

    static void run(String[] extra_matches, String cp, String... args) throws Exception {
        String[] opts = {"-cp", cp, "-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI", use_whitebox_jar};
        opts = TestCommon.concat(opts, args);
        TestCommon.run(opts).assertNormalExit(extra_matches);
    }

    public static void main(String[] args) throws Exception {
        JarBuilder.build("jvmti_addboot", "Hello");
        JarBuilder.build("jvmti_addapp", "Hello");
        JarBuilder.build("jvmti_app", "JvmtiApp", "ExtraClass");
        JarBuilder.build(true, "WhiteBox", "jdk/test/whitebox/WhiteBox");

        // In all the test cases below, appJar does not contain Hello.class. Instead, we
        // append JAR file(s) that contain Hello.class to the boot classpath, the app
        // classpath, or both, and verify that Hello.class is loaded by the expected ClassLoader.
        String appJar = TestCommon.getTestJar("jvmti_app.jar");         // contains JvmtiApp.class
        String addappJar = TestCommon.getTestJar("jvmti_addapp.jar");   // contains Hello.class
        String addbootJar = TestCommon.getTestJar("jvmti_addboot.jar"); // contains Hello.class
        String twoAppJars = appJar + File.pathSeparator + addappJar;
        String wbJar = TestCommon.getTestJar("WhiteBox.jar");
        use_whitebox_jar = "-Xbootclasspath/a:" + wbJar;

        TestCommon.testDump(appJar, TestCommon.list("JvmtiApp", "ExtraClass"), use_whitebox_jar);

        System.out.println("Test case 1: not adding any paths - Hello.class should not be found");
        run(check_appcds_enabled, appJar, "-Xlog:class+load", "JvmtiApp", "noadd"); // appcds should be enabled

        System.out.println("Test case 2: add to boot classpath only - should find Hello.class in boot loader");
        run(check_appcds_disabled, appJar, "-Xlog:class+load", "JvmtiApp", "bootonly", addbootJar); // appcds should be disabled

        System.out.println("Test case 3: add to app classpath only - should find Hello.class in app loader");
        run(appJar, "JvmtiApp", "apponly", addappJar);

        System.out.println("Test case 4: add to boot and app paths - should find Hello.class in boot loader");
        run(appJar, "JvmtiApp", "appandboot", addbootJar, addappJar);

        System.out.println("Test case 5: add to app using -cp, but add to boot using JVMTI - should find Hello.class in boot loader");
        run(twoAppJars, "JvmtiApp", "bootonly", addappJar);

        System.out.println("Test case 6: add to app using AppCDS, but add to boot using JVMTI - should find Hello.class in boot loader");
        TestCommon.testDump(twoAppJars, TestCommon.list("JvmtiApp", "ExtraClass", "Hello"), use_whitebox_jar);
        if (!TestCommon.isDynamicArchive()) {
            // skip for dynamic archive, the Hello class will be loaded from
            // the dynamic archive
            run(twoAppJars, "JvmtiApp", "bootonly", addappJar);
        }

        System.out.println("Test case 7: add to app using AppCDS, no JVMTI calls - should find Hello.class in app loader");
        run(twoAppJars, "JvmtiApp", "noadd-appcds");
    }
}