hotspot/test/compiler/codecache/stress/UnexpectedDeoptimizationTest.java
changeset 28501 c9c359a66a15
child 29678 dd2f3932c21e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/codecache/stress/UnexpectedDeoptimizationTest.java	Mon Jan 12 18:58:49 2015 +0300
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2014, 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 UnexpectedDeoptimizationTest
+ * @library /testlibrary /../../test/lib
+ * @build UnexpectedDeoptimizationTest
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ *                              sun.hotspot.WhiteBox$WhiteBoxPermission
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:CompileCommand=dontinline,Helper$TestCase::method
+ *                   -XX:+WhiteBoxAPI -XX:-SegmentedCodeCache -XX:-DeoptimizeRandom
+ *                   UnexpectedDeoptimizationTest
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:CompileCommand=dontinline,Helper$TestCase::method
+ *                   -XX:+WhiteBoxAPI -XX:+SegmentedCodeCache -XX:-DeoptimizeRandom
+ *                   UnexpectedDeoptimizationTest
+ * @summary stressing code cache by forcing unexpected deoptimizations
+ */
+public class UnexpectedDeoptimizationTest implements Runnable {
+
+    public static void main(String[] args) {
+        new CodeCacheStressRunner(new UnexpectedDeoptimizationTest()).runTest();
+    }
+
+    @Override
+    public void run() {
+        Helper.WHITE_BOX.deoptimizeFrames(Helper.RNG.nextBoolean());
+    }
+
+}