--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/cds/appcds/AppendClasspath.java	Mon Jul 29 10:34:20 2019 -0400
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
+ * 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
+ * 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.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/*
+ * @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 driver AppendClasspath
+ */
+
+import java.io.File;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
+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();
+
+    // PASS: 2) runtime has an non-existing jar in the -cp
+    String classDir = System.getProperty("test.classes");
+    String newFile = "non-exist.jar";
+    String nonExistPath = classDir + File.separator + newFile;
+    String classPath = appJar + File.pathSeparator + nonExistPath;
+    File nonExistJar = new File(classDir, newFile);
+    if (nonExistJar.exists()) {
+        nonExistJar.delete();
+    }
+    TestCommon.run(
+        "-cp", classPath,
+        "-Xlog:class+path=trace",
+        "Hello")
+      .assertNormalExit();
+
+    final String errorMessage1 = "Unable to use shared archive";
+    final String errorMessage2 = "shared class paths mismatch";
+    // FAIL: 1) runtime with classpath different from the one used in dump time
+    // (runtime has an extra jar file prepended to the class path)
+    TestCommon.run(
+        "-Xlog:cds",
+        "-cp", appJar2 + File.pathSeparator + appJar,
+        "HelloMore")
+        .assertAbnormalExit(errorMessage1, errorMessage2);
+
+    // FAIL: 2) runtime with classpath part of the one used in dump time
+    TestCommon.testDump(appJar + File.pathSeparator + appJar2,
+                                      TestCommon.list("Hello"));
+    TestCommon.run(
+        "-Xlog:cds",
+        "-cp", appJar2,
+        "Hello")
+        .assertAbnormalExit(errorMessage1, errorMessage2);
+
+    // FAIL: 3) runtime with same set of jar files in the classpath but
+    // with different order
+    TestCommon.run(
+        "-Xlog:cds",
+        "-cp", appJar2 + File.pathSeparator + appJar,
+        "HelloMore")
+        .assertAbnormalExit(errorMessage1, errorMessage2);
+
+    // FAIL: 4) non-existing jar during dump time but jar exists during runtime
+    TestCommon.testDump(classPath, TestCommon.list("Hello"));
+
+    Files.copy(Paths.get(classDir, "hello.jar"),
+        Paths.get(classDir, newFile),
+        StandardCopyOption.REPLACE_EXISTING);
+
+    TestCommon.run(
+        "-cp", classPath,
+        "-Xlog:class+path=trace",
+        "Hello")
+        .assertAbnormalExit(errorMessage1, errorMessage2);
+
+    }
+}