--- /dev/null	2019-01-28 17:49:12.000000000 +0800
+++ new/test/testlibrary/whitebox/sun/hotspot/code/BlobType.java	2019-01-28 17:49:12.000000000 +0800
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2019, 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.
+ */
+
+package sun.hotspot.code;
+
+import java.lang.management.ManagementFactory;
+import java.lang.management.MemoryPoolMXBean;
+import java.util.EnumSet;
+
+import sun.hotspot.WhiteBox;
+
+public enum BlobType {
+    // All types (No code cache segmentation)
+    All(0, "Code Cache", "ReservedCodeCacheSize");
+
+    public final int id;
+    public final String sizeOptionName;
+    public final String beanName;
+
+    private BlobType(int id, String beanName, String sizeOptionName) {
+        this.id = id;
+        this.beanName = beanName;
+        this.sizeOptionName = sizeOptionName;
+    }
+
+    public MemoryPoolMXBean getMemoryPool() {
+        for (MemoryPoolMXBean bean : ManagementFactory.getMemoryPoolMXBeans()) {
+            String name = bean.getName();
+            if (beanName.equals(name)) {
+                return bean;
+            }
+        }
+        return null;
+    }
+
+    public boolean allowTypeWhenOverflow(BlobType type) {
+        return type == this;
+    }
+
+    public static EnumSet<BlobType> getAvailable() {
+        return EnumSet.of(All);
+    }
+
+    public long getSize() {
+        return WhiteBox.getWhiteBox().getUintxVMFlag(sizeOptionName);
+    }
+}