test/hotspot/jtreg/runtime/appcds/HelloExtTest.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @summary a simple test for loading a class using the platform class loader
 *          (which used to be called the "extension loader) in AppCDS
 * @requires vm.cds
 * @library /test/lib
 * @modules java.base/jdk.internal.misc
 *          java.management
 *          jdk.jartool/sun.tools.jar
 *          jdk.internal.jvmstat/sun.jvmstat.monitor
 * @compile test-classes/HelloExt.java
 * @build sun.hotspot.WhiteBox
 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
 * @run main HelloExtTest
 */

import jdk.test.lib.process.OutputAnalyzer;

public class HelloExtTest {

  public static void main(String[] args) throws Exception {
    JarBuilder.build("helloExt", "HelloExt");

    String appJar = TestCommon.getTestJar("helloExt.jar");
    JarBuilder.build(true, "WhiteBox", "sun/hotspot/WhiteBox");
    String whiteBoxJar = TestCommon.getTestJar("WhiteBox.jar");
    String bootClassPath = "-Xbootclasspath/a:" + whiteBoxJar;

    TestCommon.dump(appJar,
        TestCommon.list("javax/annotation/processing/FilerException", "[Ljava/lang/Comparable;"),
        bootClassPath, "-verbose:class");

    String prefix = ".class.load. ";
    String class_pattern = ".*LambdaForm[$]MH[/][0123456789].*";
    String suffix = ".*source: shared objects file.*";
    String pattern = prefix + class_pattern + suffix;

    TestCommon.run("-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI",
            "-cp", appJar, bootClassPath, "-verbose:class", "HelloExt")
        .assertNormalExit(output -> output.shouldNotMatch(pattern));


    TestCommon.run("-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI",
            "-cp", appJar, bootClassPath, "-verbose:class",
            "-XX:+PrintSharedArchiveAndExit", "-XX:+PrintSharedDictionary",
            "HelloExt")
        .assertNormalExit(output ->  output.shouldNotMatch(class_pattern));
  }
}