hotspot/test/compiler/rtm/cli/TestUseRTMLockingOptionWithBiasedLocking.java
changeset 24007 40c951a7d36c
child 25958 8dc85547d6d6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/rtm/cli/TestUseRTMLockingOptionWithBiasedLocking.java	Fri Apr 11 00:35:28 2014 +0400
@@ -0,0 +1,73 @@
+/*
+ * 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
+ * @bug 8031320
+ * @summary Verify processing of UseRTMLocking and UseBiasedLocking
+ *          options combination on CPU and VM with rtm support.
+ * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
+ * @build TestUseRTMLockingOptionWithBiasedLocking
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI TestUseRTMLockingOptionWithBiasedLocking
+ */
+
+import com.oracle.java.testlibrary.*;
+import com.oracle.java.testlibrary.cli.*;
+import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
+import rtm.predicate.SupportedCPU;
+import rtm.predicate.SupportedVM;
+
+public class TestUseRTMLockingOptionWithBiasedLocking
+        extends CommandLineOptionTest {
+    private TestUseRTMLockingOptionWithBiasedLocking() {
+        super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
+    }
+
+    @Override
+    public void runTestCases() throws Throwable {
+        String warningMessage
+                = RTMGenericCommandLineOptionTest.RTM_BIASED_LOCKING_WARNING;
+        // verify that we will not get a warning
+        CommandLineOptionTest.verifySameJVMStartup(null,
+                new String[] { warningMessage }, ExitCode.OK,
+                "-XX:+UseRTMLocking", "-XX:-UseBiasedLocking");
+        // verify that we will get a warning
+        CommandLineOptionTest.verifySameJVMStartup(
+                new String[] { warningMessage }, null, ExitCode.OK,
+                "-XX:+UseRTMLocking", "-XX:+UseBiasedLocking");
+        // verify that UseBiasedLocking is false when we use rtm locking
+        CommandLineOptionTest.verifyOptionValueForSameVM("UseBiasedLocking",
+                "false", "-XX:+UseRTMLocking");
+        // verify that we can't turn on biased locking when
+        // using rtm locking
+        CommandLineOptionTest.verifyOptionValueForSameVM("UseBiasedLocking",
+                "false", "-XX:+UseRTMLocking", "-XX:+UseBiasedLocking");
+    }
+
+    public static void main(String args[]) throws Throwable {
+        new TestUseRTMLockingOptionWithBiasedLocking().test();
+    }
+}