--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/cds/SharedSymbolTableBucketSize.java Mon Jul 29 10:34:20 2019 -0400
@@ -0,0 +1,64 @@
+/*
+ * 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
+ * @bug 8059510
+ * @summary Test SharedSymbolTableBucketSize option
+ * @requires vm.cds
+ * @library /test/lib
+ * @modules java.base/jdk.internal.misc
+ * java.management
+ */
+
+import jdk.test.lib.cds.CDSTestUtils;
+import jdk.test.lib.process.OutputAnalyzer;
+
+public class SharedSymbolTableBucketSize {
+ public static void main(String[] args) throws Exception {
+ int bucket_size = 8;
+
+ OutputAnalyzer output =
+ CDSTestUtils.createArchive("-XX:SharedSymbolTableBucketSize="
+ + Integer.valueOf(bucket_size));
+ CDSTestUtils.checkDump(output);
+ CDSTestUtils.checkMappingFailure(output);
+
+ String s = output.firstMatch("Average bucket size : .*");
+ Float f = Float.parseFloat(s.substring(25));
+ int size = Math.round(f);
+ if (size != bucket_size) {
+ throw new Exception("FAILED: incorrect bucket size " + size +
+ ", expect " + bucket_size);
+ }
+
+ // Invalid SharedSymbolTableBucketSize input
+ String input[] = {"-XX:SharedSymbolTableBucketSize=-1",
+ "-XX:SharedSymbolTableBucketSize=2.5"};
+ for (int i = 0; i < input.length; i++) {
+ CDSTestUtils.createArchive(input[i])
+ .shouldContain("Improperly specified VM option")
+ .shouldHaveExitValue(1);
+ }
+ }
+}