hotspot/test/runtime/SharedArchiveFile/CdsDifferentCompactStrings.java
changeset 33628 09241459a8b8
child 36851 03e2f4d0a421
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/SharedArchiveFile/CdsDifferentCompactStrings.java	Tue Nov 03 09:41:03 2015 +0100
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2013, 2015, 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 CdsDifferentCompactStrings
+ * @summary CDS (class data sharing) requires the same -XX:[+-]CompactStrings
+ *          setting between archive creation time and load time.
+ * @library /testlibrary
+ * @modules java.base/sun.misc
+ *          java.management
+ */
+
+import jdk.test.lib.*;
+
+public class CdsDifferentCompactStrings {
+    public static void main(String[] args) throws Exception {
+        createAndLoadSharedArchive("+", "-");
+        createAndLoadSharedArchive("-", "+");
+    }
+
+    private static void createAndLoadSharedArchive(String create, String load)
+        throws Exception
+    {
+        String createCompactStringsArgument = "-XX:" + create + "CompactStrings";
+        String loadCompactStringsArgument   = "-XX:" + load   + "CompactStrings";
+
+        String filename = "./CdsDifferentCompactStrings" + create + ".jsa";
+
+        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+            "-XX:+UnlockDiagnosticVMOptions",
+            "-XX:SharedArchiveFile=" + filename,
+            "-Xshare:dump",
+            createCompactStringsArgument);
+
+        OutputAnalyzer output = new OutputAnalyzer(pb.start());
+        output.shouldContain("Loading classes to share");
+        output.shouldHaveExitValue(0);
+
+        pb = ProcessTools.createJavaProcessBuilder(
+            "-XX:+UnlockDiagnosticVMOptions",
+            "-XX:SharedArchiveFile=" + filename,
+            "-Xshare:on",
+            loadCompactStringsArgument,
+            "-version");
+
+        output = new OutputAnalyzer(pb.start());
+        try {
+            output.shouldContain("The shared archive file's CompactStrings " +
+                "setting .* does not equal the current CompactStrings setting");
+        } catch (RuntimeException e) {
+            output.shouldContain("Unable to use shared archive");
+        }
+        output.shouldHaveExitValue(1);
+    }
+}