diff test/runtime/CDSCompressedKPtrs/CDSCompressedKPtrs.java @ 12056:740e263c80c6

8003424: Enable Class Data Sharing for CompressedOops 8016729: ObjectAlignmentInBytes=16 now forces the use of heap based compressed oops 8005933: The -Xshare:auto option is ignored for -server Summary: Move klass metaspace above the heap and support CDS with compressed klass ptrs. Reviewed-by: coleenp, kvn, mgerdin, tschatzl, stefank
author hseigel
date Thu, 15 Aug 2013 20:04:10 -0400
parents
children 35b99e7e0af2
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/runtime/CDSCompressedKPtrs/CDSCompressedKPtrs.java	Thu Aug 15 20:04:10 2013 -0400
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2013, 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
+ * @bug 8003424
+ * @summary Testing UseCompressedKlassPointers with CDS
+ * @library /testlibrary
+ * @run main CDSCompressedKPtrs
+ */
+
+import com.oracle.java.testlibrary.*;
+
+public class CDSCompressedKPtrs {
+  public static void main(String[] args) throws Exception {
+    ProcessBuilder pb;
+    if (Platform.is64bit()) {
+      pb = ProcessTools.createJavaProcessBuilder(
+        "-XX:+UseCompressedKlassPointers", "-XX:+UseCompressedOops",
+        "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./sample.jsa", "-Xshare:dump");
+      OutputAnalyzer output = new OutputAnalyzer(pb.start());
+      try {
+        output.shouldContain("Loading classes to share");
+        output.shouldHaveExitValue(0);
+
+        pb = ProcessTools.createJavaProcessBuilder(
+          "-XX:+UseCompressedKlassPointers", "-XX:+UseCompressedOops",
+          "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./sample.jsa", "-Xshare:on", "-version");
+        output = new OutputAnalyzer(pb.start());
+        output.shouldContain("sharing");
+        output.shouldHaveExitValue(0);
+
+      } catch (RuntimeException e) {
+        // Report 'passed' if CDS was turned off because we could not allocate
+        // the klass metaspace at an address that would work with CDS.
+        output.shouldContain("Could not allocate metaspace at a compatible address");
+        output.shouldHaveExitValue(1);
+      }
+    }
+  }
+}