--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/gc/arguments/TestSurvivorAlignmentInBytesOption.java	Wed Nov 26 14:17:06 2014 +0400
@@ -0,0 +1,120 @@
+/*
+ * 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.
+ */
+
+import com.oracle.java.testlibrary.ExitCode;
+import com.oracle.java.testlibrary.Utils;
+import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
+
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+
+/**
+ * @test
+ * @bug 8031323
+ * @summary Verify SurvivorAlignmentInBytes option processing.
+ * @library /testlibrary
+ * @run main TestSurvivorAlignmentInBytesOption
+ */
+public class TestSurvivorAlignmentInBytesOption {
+    private static final String[] FILTERED_VM_OPTIONS
+            = Utils.getFilteredTestJavaOpts(
+            "UnlockExperimentalVMOptions",
+            "SurvivorAlignmentInBytes",
+            "ObjectAlignmentInBytes");
+
+    public static void main(String args[]) throws Throwable {
+        String optionName = "SurvivorAlignmentInBytes";
+        String optionIsExperimental
+                = CommandLineOptionTest.getExperimentalOptionErrorMessage(
+                optionName);
+        String valueIsTooSmall= ".*SurvivorAlignmentInBytes=.*must be greater"
+                + " than ObjectAlignmentInBytes.*";
+        String mustBePowerOf2 = ".*SurvivorAlignmentInBytes=.*must be "
+                + "power of 2.*";
+
+        // Verify that without -XX:+UnlockExperimentalVMOptions usage of
+        // SurvivorAlignmentInBytes option will cause JVM startup failure
+        // with the warning message saying that that option is experimental.
+        CommandLineOptionTest.verifyJVMStartup(
+                new String[]{optionIsExperimental}, null, ExitCode.FAIL, false,
+                TestSurvivorAlignmentInBytesOption.prepareOptions(
+                        "-XX:-UnlockExperimentalVMOptions",
+                        CommandLineOptionTest.prepareNumericFlag(
+                                optionName, 64)));
+
+        // Verify that with -XX:+UnlockExperimentalVMOptions passed to JVM
+        // usage of SurvivorAlignmentInBytes option won't cause JVM startup
+        // failure.
+        CommandLineOptionTest.verifyJVMStartup(
+                null, new String[]{optionIsExperimental}, ExitCode.OK, false,
+                TestSurvivorAlignmentInBytesOption.prepareOptions(
+                        CommandLineOptionTest.prepareNumericFlag(
+                                optionName, 64)));
+
+        // Verify that if specified SurvivorAlignmentInBytes is lower then
+        // ObjectAlignmentInBytes, then the JVM startup will fail with
+        // appropriate error message.
+        CommandLineOptionTest.verifyJVMStartup(
+                new String[]{valueIsTooSmall}, null, ExitCode.FAIL, false,
+                TestSurvivorAlignmentInBytesOption.prepareOptions(
+                        CommandLineOptionTest.prepareNumericFlag(
+                                optionName, 2)));
+
+        // Verify that if specified SurvivorAlignmentInBytes value is not
+        // a power of 2 then the JVM startup will fail with appropriate error
+        // message.
+        CommandLineOptionTest.verifyJVMStartup(
+                new String[]{mustBePowerOf2}, null, ExitCode.FAIL, false,
+                TestSurvivorAlignmentInBytesOption.prepareOptions(
+                        CommandLineOptionTest.prepareNumericFlag(
+                                optionName, 127)));
+
+        // Verify that if SurvivorAlignmentInBytes has correct value, then
+        // the JVM will be started without errors.
+        CommandLineOptionTest.verifyJVMStartup(
+                null, new String[]{".*SurvivorAlignmentInBytes.*"},
+                ExitCode.OK, false,
+                TestSurvivorAlignmentInBytesOption.prepareOptions(
+                        CommandLineOptionTest.prepareNumericFlag(
+                                optionName, 128)));
+
+        // Verify that we can setup different SurvivorAlignmentInBytes values.
+        for (int alignment = 32; alignment <= 128; alignment *= 2) {
+            CommandLineOptionTest.verifyOptionValue(optionName,
+                    Integer.toString(alignment), false,
+                    TestSurvivorAlignmentInBytesOption.prepareOptions(
+                            CommandLineOptionTest.prepareNumericFlag(
+                                    optionName, alignment)));
+        }
+    }
+
+    private static String[] prepareOptions(String... options) {
+        List<String> finalOptions = new LinkedList<>();
+        Collections.addAll(finalOptions,
+                TestSurvivorAlignmentInBytesOption.FILTERED_VM_OPTIONS);
+        finalOptions.add(CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS);
+        Collections.addAll(finalOptions, options);
+        return finalOptions.toArray(new String[finalOptions.size()]);
+    }
+}