--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/cds/appcds/dynamicArchive/NoClassToArchive.java Mon Jul 29 10:34:20 2019 -0400
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 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 A few edge cases where there's no class to be included in the dynamic archive.
+ * @requires vm.cds
+ * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds /test/hotspot/jtreg/runtime/cds/appcds/dynamicArchive/test-classes
+ * @build StrConcatApp
+ * @run driver ClassFileInstaller -jar strConcatApp.jar StrConcatApp
+ * @run driver NoClassToArchive
+ */
+
+import java.io.File;
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.process.ProcessTools;
+
+public class NoClassToArchive extends DynamicArchiveTestBase {
+ static final String warningMessage =
+ "There is no class to be included in the dynamic archive";
+ static final String classList = System.getProperty("test.classes") +
+ File.separator + "NoClassToArchive.list";
+ static final String appClass = "StrConcatApp";
+
+ public static void main(String[] args) throws Exception {
+ runTest(NoClassToArchive::testDefaultBase);
+ runTest(NoClassToArchive::testCustomBase);
+ }
+
+ // (1) Test with default base archive + top archive
+ static void testDefaultBase() throws Exception {
+ String topArchiveName = getNewArchiveName("top");
+ doTest(null, topArchiveName);
+ }
+
+ // (2) Test with custom base archive + top archive
+ static void testCustomBase() throws Exception {
+ String topArchiveName = getNewArchiveName("top2");
+ String baseArchiveName = getNewArchiveName("base");
+ doTestCustomBase(baseArchiveName, topArchiveName);
+ }
+
+ private static void checkWarning(OutputAnalyzer output) throws Exception {
+ if (output.getStdout().contains("jrt:/") || output.getStdout().contains("unsafe anonymous")) {
+ System.out.println("test skipped: this platform uses non-archived classes when running -version");
+ } else {
+ output.shouldContain(warningMessage);
+ }
+ }
+
+ private static void doTest(String baseArchiveName, String topArchiveName) throws Exception {
+ dump2(baseArchiveName, topArchiveName,
+ "-Xlog:cds",
+ "-Xlog:cds+dynamic=debug",
+ "-Xlog:class+load=trace",
+ "-version")
+ .assertNormalExit(output -> checkWarning(output));
+
+ dump2(baseArchiveName, topArchiveName,
+ "-Xlog:cds",
+ "-Xlog:cds+dynamic=debug",
+ "-Xlog:class+load=trace",
+ "-help")
+ .assertNormalExit(output -> {
+ // some classes will be loaded from the java.base module
+ output.shouldContain("java.text.MessageFormat source: jrt:/java.base");
+ });
+ }
+
+ private static void doTestCustomBase(String baseArchiveName, String topArchiveName) throws Exception {
+ String appJar = ClassFileInstaller.getJarPath("strConcatApp.jar");
+ // dump class list by running the StrConcatApp
+ ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+ true,
+ "-XX:DumpLoadedClassList=" + classList,
+ "-cp",
+ appJar,
+ appClass);
+ OutputAnalyzer output = TestCommon.executeAndLog(pb, "dumpClassList");
+ TestCommon.checkExecReturn(output, 0, true, "length = 0");
+
+ // create a custom base archive based on the class list
+ dumpBaseArchive(baseArchiveName, "-XX:SharedClassListFile=" + classList);
+
+ // create a dynamic archive with the custom base archive
+ // no class should be included in the dynamic archive
+ dump2(baseArchiveName, topArchiveName,
+ "-Xlog:cds",
+ "-Xlog:cds+dynamic=debug",
+ "-Xlog:class+load=trace",
+ "-version")
+ .assertNormalExit(out -> checkWarning(out));
+ }
+}