--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/whitebox/ForceNMethodSweepTest.java	Tue Dec 02 12:36:03 2014 +0300
@@ -0,0 +1,97 @@
+/*
+ * 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 java.lang.reflect.Method;
+import java.util.EnumSet;
+
+import sun.hotspot.WhiteBox;
+import sun.hotspot.code.BlobType;
+
+import com.oracle.java.testlibrary.Asserts;
+import com.oracle.java.testlibrary.InfiniteLoop;
+
+/*
+ * @test
+ * @bug 8059624 8064669
+ * @library /testlibrary /testlibrary/whitebox
+ * @build ForceNMethodSweepTest
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ *                              sun.hotspot.WhiteBox$WhiteBoxPermission
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:-TieredCompilation -XX:+WhiteBoxAPI
+ *                   -XX:CompileCommand=compileonly,SimpleTestCase$Helper::*
+ *                   ForceNMethodSweepTest
+ * @summary testing of WB::forceNMethodSweep
+ */
+public class ForceNMethodSweepTest extends CompilerWhiteBoxTest {
+    public static void main(String[] args) throws Exception {
+        CompilerWhiteBoxTest.main(ForceNMethodSweepTest::new, args);
+    }
+    private final EnumSet<BlobType> blobTypes;
+    private ForceNMethodSweepTest(TestCase testCase) {
+        super(testCase);
+        // to prevent inlining of #method
+        WHITE_BOX.testSetDontInlineMethod(method, true);
+        blobTypes = BlobType.getAvailable();
+    }
+
+    @Override
+    protected void test() throws Exception {
+        checkNotCompiled();
+        guaranteedSweep();
+        int usage = getTotalUsage();
+
+        compile();
+        checkCompiled();
+        int afterCompilation = getTotalUsage();
+        Asserts.assertGT(afterCompilation, usage,
+                "compilation should increase usage");
+
+        guaranteedSweep();
+        int afterSweep = getTotalUsage();
+        Asserts.assertLTE(afterSweep, afterCompilation,
+                "sweep shouldn't increase usage");
+
+        deoptimize();
+        guaranteedSweep();
+        int afterDeoptAndSweep = getTotalUsage();
+        Asserts.assertLT(afterDeoptAndSweep, afterSweep,
+                "sweep after deoptimization should decrease usage");
+     }
+
+    private int getTotalUsage() {
+        int usage = 0;
+        for (BlobType type : blobTypes) {
+           usage += type.getMemoryPool().getUsage().getUsed();
+        }
+        return usage;
+    }
+    private void guaranteedSweep() {
+        // not entrant -> ++stack_traversal_mark -> zombie -> reclamation -> flushed
+        for (int i = 0; i < 5; ++i) {
+            WHITE_BOX.fullGC();
+            WHITE_BOX.forceNMethodSweep();
+        }
+    }
+}