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

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/*
 * @test
 * @summary At run time, it is OK to append new elements to the classpath that was used at dump time.
 * @requires vm.cds
 * @library /test/lib
 * @modules java.base/jdk.internal.misc
 *          java.management
 *          jdk.jartool/sun.tools.jar
 * @compile test-classes/Hello.java
 * @compile test-classes/HelloMore.java
 * @run main AppendClasspath
 */

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

public class AppendClasspath {

  public static void main(String[] args) throws Exception {
    String appJar = JarBuilder.getOrCreateHelloJar();
    String appJar2 = JarBuilder.build("AppendClasspath_HelloMore", "HelloMore");

    // Dump an archive with a specified JAR file in -classpath
    TestCommon.testDump(appJar, TestCommon.list("Hello"));

    // PASS: 1) runtime with classpath containing the one used in dump time
    TestCommon.run(
        "-cp", appJar + File.pathSeparator + appJar2,
        "HelloMore")
      .assertNormalExit();

    final String errorMessage1 = "Unable to use shared archive";
    final String errorMessage2 = "shared class paths mismatch";
    // FAIL: 2) runtime with classpath different from the one used in dump time
    // (runtime has an extra jar file prepended to the class path)
    TestCommon.run(
        "-cp", appJar2 + File.pathSeparator + appJar,
        "HelloMore")
      .assertAbnormalExit(errorMessage1, errorMessage2);

    // FAIL: 3) runtime with classpath part of the one used in dump time
    TestCommon.testDump(appJar + File.pathSeparator + appJar2,
                                      TestCommon.list("Hello"));
    TestCommon.run(
        "-cp", appJar2,
        "Hello")
      .assertAbnormalExit(errorMessage1, errorMessage2);

    // FAIL: 4) runtime with same set of jar files in the classpath but
    // with different order
    TestCommon.run(
        "-cp", appJar2 + File.pathSeparator + appJar,
        "HelloMore")
      .assertAbnormalExit(errorMessage1, errorMessage2);
  }
}