--- /dev/null	2018-12-03 19:07:41.036000000 +0530
+++ new/test/jdk/java/text/Format/CompactNumberFormat/serialization/TestSerialization.java	2018-12-04 20:49:11.792904540 +0530
@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2018, 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 8177552
+ * @modules jdk.localedata
+ * @summary Checks the serialization feature of CompactNumberFormat
+ * @run testng/othervm TestSerialization
+ */
+
+import org.testng.annotations.BeforeTest;
+import org.testng.annotations.Test;
+
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.math.RoundingMode;
+import java.text.CompactNumberFormat;
+import java.text.NumberFormat;
+import java.util.Locale;
+import static org.testng.Assert.*;
+
+public class TestSerialization {
+
+    private static final NumberFormat FORMAT_HI = NumberFormat.getCompactNumberInstance(
+            new Locale("hi"), NumberFormat.Style.SHORT);
+    private static final CompactNumberFormat FORMAT_EN_US = (CompactNumberFormat) NumberFormat
+            .getCompactNumberInstance(Locale.US, NumberFormat.Style.LONG);
+    private static final NumberFormat FORMAT_JA_JP = NumberFormat.getCompactNumberInstance(
+            Locale.JAPAN, NumberFormat.Style.SHORT);
+    private static final NumberFormat FORMAT_FR_FR = NumberFormat.getCompactNumberInstance(
+            Locale.FRANCE, NumberFormat.Style.LONG);
+    private static final NumberFormat FORMAT_DE_DE = NumberFormat.getCompactNumberInstance(
+            Locale.GERMANY, NumberFormat.Style.SHORT);
+    private static final NumberFormat FORMAT_KO_KR = NumberFormat.getCompactNumberInstance(
+            Locale.KOREA, NumberFormat.Style.SHORT);
+
+    @BeforeTest
+    public void mutateInstances() {
+        FORMAT_HI.setMinimumFractionDigits(2);
+        FORMAT_HI.setMinimumIntegerDigits(5);
+
+        FORMAT_EN_US.setRoundingMode(RoundingMode.HALF_UP);
+        FORMAT_EN_US.setGroupingSize(3);
+        FORMAT_EN_US.setParseBigDecimal(true);
+
+        FORMAT_JA_JP.setMaximumFractionDigits(30);
+        FORMAT_JA_JP.setMaximumIntegerDigits(30);
+
+        FORMAT_FR_FR.setParseIntegerOnly(true);
+        FORMAT_FR_FR.setGroupingUsed(true);
+
+        // Setting minimum integer digits beyond the allowed range
+        FORMAT_DE_DE.setMinimumIntegerDigits(320);
+
+        // Setting minimum fraction digits beyond the allowed range
+        FORMAT_KO_KR.setMinimumFractionDigits(350);
+    }
+
+    @Test
+    public void testSerialization() throws IOException, ClassNotFoundException {
+        // Serialize
+        serialize("cdf.ser", FORMAT_HI, FORMAT_EN_US, FORMAT_JA_JP, FORMAT_FR_FR, FORMAT_DE_DE, FORMAT_KO_KR);
+        // Deserialize
+        deserialize("cdf.ser", FORMAT_HI, FORMAT_EN_US, FORMAT_JA_JP, FORMAT_FR_FR, FORMAT_DE_DE, FORMAT_KO_KR);
+    }
+
+    private void serialize(String fileName, NumberFormat... formats)
+            throws IOException {
+        try (ObjectOutputStream os = new ObjectOutputStream(
+                new FileOutputStream(fileName))) {
+            for (NumberFormat fmt : formats) {
+                os.writeObject(fmt);
+            }
+        }
+    }
+
+    private static void deserialize(String fileName, NumberFormat... formats)
+            throws IOException, ClassNotFoundException {
+        try (ObjectInputStream os = new ObjectInputStream(
+                new FileInputStream(fileName))) {
+            for (NumberFormat fmt : formats) {
+                NumberFormat obj = (NumberFormat) os.readObject();
+                assertEquals(fmt, obj, "Serialized and deserialized"
+                        + " objects do not match");
+
+                long number = 123456789789L;
+                String expected = fmt.format(number);
+                String actual = obj.format(number);
+                assertEquals(actual, expected, "Serialized and deserialized"
+                        + " objects are expected to return same formatted"
+                        + " output for number: " + number);
+            }
+        }
+    }
+}