--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/LoadClass/TriggerResize.java Thu Nov 02 11:00:34 2017 -0500
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2017, 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.
+ */
+
+import java.lang.ClassLoader;
+
+public class TriggerResize extends ClassLoader
+{
+ static private int[] DATA = // bytes for "class TestCase00000 {}"
+ {
+ -54, -2, -70, -66, 0, 0, 0, 52, 0, 13, // 0
+ 10, 0, 3, 0, 10, 7, 0, 11, 7, 0, // 10
+ 12, 1, 0, 6, 60, 105, 110, 105, 116, 62, // 20
+ 1, 0, 3, 40, 41, 86, 1, 0, 4, 67, // 30
+ 111, 100, 101, 1, 0, 15, 76, 105, 110, 101, // 40
+ 78, 117, 109, 98, 101, 114, 84, 97, 98, 108, // 50
+ 101, 1, 0, 10, 83, 111, 117, 114, 99, 101, // 60
+ 70, 105, 108, 101, 1, 0, 18, 84, 101, 115, // 70
+ 116, 67, 97, 115, 101, 48, 48, 48, 48, 48, // 80
+ 46, 106, 97, 118, 97, 12, 0, 4, 0, 5, // 90
+ 1, 0, 13, 84, 101, 115, 116, 67, 97, 115, // 100
+ 101, 48, 48, 48, 48, 48, 1, 0, 16, 106, // 110
+ 97, 118, 97, 47, 108, 97, 110, 103, 47, 79, // 120
+ 98, 106, 101, 99, 116, 0, 32, 0, 2, 0, // 130
+ 3, 0, 0, 0, 0, 0, 1, 0, 0, 0, // 140
+ 4, 0, 5, 0, 1, 0, 6, 0, 0, 0, // 150
+ 29, 0, 1, 0, 1, 0, 0, 0, 5, 42, // 160
+ -73, 0, 1, -79, 0, 0, 0, 1, 0, 7, // 170
+ 0, 0, 0, 6, 0, 1, 0, 0, 0, 1, // 180
+ 0, 1, 0, 8, 0, 0, 0, 2, 0, 9 // 190
+ };
+
+ static private int INDEX1 = 85;
+ static private int INDEX2 = 111;
+ static private int BASE = 48;
+
+ public TriggerResize()
+ {
+ super();
+ }
+
+ public void load(int index)
+ {
+ byte[] bytes = new byte[TriggerResize.DATA.length];
+ for (int i=0; i<bytes.length; i++)
+ {
+ bytes[i] = (byte)TriggerResize.DATA[i];
+ }
+
+ // replace id "00000" in TestCase00000 to generate new class on the fly
+ {
+ int byte1 = index % 10;
+ int byte2 = index / 10 % 10;
+ int byte3 = index / 100 % 10;
+ int byte4 = index / 1000 % 10;
+ int byte5 = index / 10000 % 10;
+
+ bytes[INDEX1+0] = bytes[INDEX2+0] = (byte)(BASE+byte5);
+ bytes[INDEX1+1] = bytes[INDEX2+1] = (byte)(BASE+byte4);
+ bytes[INDEX1+2] = bytes[INDEX2+2] = (byte)(BASE+byte3);
+ bytes[INDEX1+3] = bytes[INDEX2+3] = (byte)(BASE+byte2);
+ bytes[INDEX1+4] = bytes[INDEX2+4] = (byte)(BASE+byte1);
+ }
+
+ Class generatedClass = defineClass(bytes, 0, bytes.length);
+ resolveClass(generatedClass);
+ }
+
+ public static void main(String args[]) throws Exception
+ {
+ int count = 0;
+ if (args.length >= 1) {
+ Integer i = new Integer(args[0]);
+ count = i.intValue();
+ }
+
+ TriggerResize test = new TriggerResize();
+ for (int i = 0; i <= count; i++)
+ {
+ test.load(i);
+ }
+
+ // trigger safepoint to resize the SystemDictionary if needed
+ System.gc();
+ }
+}