--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/whitebox/WBStackSize.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 2014, 2016, 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 WBStackSize
+ * @summary verify that whitebox functions getThreadFullStackSize() and getThreadRemainingStackSize are working
+ * @modules java.base/jdk.internal.misc
+ * @library /test/lib
+ * @build sun.hotspot.WhiteBox
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ *                              sun.hotspot.WhiteBox$WhiteBoxPermission
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xss512k WBStackSize
+ */
+
+/*
+ * The test may product a false failure if too big StackYellowPages/StackRedPages/ShackShadowPages
+ * VM options are specified. The proper test would retrieve the page size from VM and account for these options
+ * instead of check below:
+ *     Math.abs(actualStackSize - configStackSize) > configStackSize * 0.1
+ *
+ * Please file a test bug, if this is a problem.
+ */
+
+import sun.hotspot.WhiteBox;
+
+public class WBStackSize {
+
+    static final long K = 1024;
+
+    static final long MIN_STACK_SIZE = 8 * K;
+    static final long MAX_STACK_SIZE_ALLOCATED_IN_MAIN = 150 * K; // current value is about 130k on 64-bit platforms
+
+    static final WhiteBox wb = WhiteBox.getWhiteBox();
+
+    static long stackSizeOnOverflow = -1;
+
+    static int eatAllStack() {
+        return eatAllStack() * 2;
+    }
+
+    static void testStackOverflow() {
+
+        stackSizeOnOverflow = wb.getThreadRemainingStackSize();
+
+        if (stackSizeOnOverflow > MIN_STACK_SIZE) {
+
+            try {
+                testStackOverflow();
+            } catch (StackOverflowError e) {
+                // We caught SOE too early. The error will be reported in main()
+            }
+
+        } else {
+
+            try {
+                eatAllStack();
+                throw new RuntimeException("Haven't caught StackOverflowError at all");
+            } catch (StackOverflowError e) {
+                // OK: we caught the anticipated error
+            }
+        }
+    }
+
+    public static void main(String[] args) {
+        long configStackSize = wb.getIntxVMFlag("ThreadStackSize") * K;
+        System.out.println("ThreadStackSize VM option: " + configStackSize);
+
+        long stackProtectionSize = wb.getIntxVMFlag("StackShadowPages") * wb.getVMPageSize();
+        System.out.println("Size of protected shadow pages: " + stackProtectionSize);
+
+        long actualStackSize = wb.getThreadStackSize();
+        System.out.println("Full stack size: " + actualStackSize);
+
+        if (Math.abs(actualStackSize - configStackSize) > configStackSize * 0.1) {
+            throw new RuntimeException("getThreadFullStackSize value [" + actualStackSize
+                                     + "] should be within 90%..110% of the value returned by HotSpotDiagnosticMXBean");
+        }
+
+        long remainingStackSize = wb.getThreadRemainingStackSize();
+        System.out.println("Remaining stack size in main(): " + remainingStackSize);
+
+        // Up to 150k can be already allocated by VM and some space is used for stack protection.
+        long spaceAlreadyOccupied = MAX_STACK_SIZE_ALLOCATED_IN_MAIN + stackProtectionSize;
+
+        if (remainingStackSize > configStackSize
+            || (configStackSize > spaceAlreadyOccupied
+                && remainingStackSize < configStackSize - spaceAlreadyOccupied)) {
+
+            throw new RuntimeException("getThreadRemainingStackSize value [" + remainingStackSize
+                                     + "] should be at least ThreadStackSize value [" + configStackSize + "] minus ["
+                                     + spaceAlreadyOccupied + "]");
+        }
+
+        testStackOverflow();
+
+        if (stackSizeOnOverflow > MIN_STACK_SIZE) {
+            throw new RuntimeException("Caught StackOverflowError too early: when there were "
+                                     + stackSizeOnOverflow + " bytes in stack");
+        } else if (stackSizeOnOverflow < 0) {
+            throw new RuntimeException("Internal test error: stackRemainingSize < 0");
+        } else {
+            System.out.println("Caught StackOverflowError as expected");
+        }
+    }
+}