diff -r d682023cdd8c -r 5bd3a6017943 test/jdk/java/util/Calendar/SupplementalJapaneseEraTestRun.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/util/Calendar/SupplementalJapaneseEraTestRun.java	Wed Oct 24 17:52:06 2018 +0800
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2014, 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 8048123 8054214 8173423
+ * @summary Test for jdk.calendar.japanese.supplemental.era support
+ * @library /test/lib
+ * @build SupplementalJapaneseEraTest
+ * @run testng/othervm SupplementalJapaneseEraTestRun
+ */
+
+import java.util.Calendar;
+import java.util.List;
+import java.util.Locale;
+import java.util.TimeZone;
+import static java.util.Calendar.*;
+
+import jdk.test.lib.process.ProcessTools;
+import jdk.test.lib.JDKToolLauncher;
+import jdk.test.lib.Utils;
+
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Test;
+
+public class SupplementalJapaneseEraTestRun {
+    @DataProvider(name = "validprop")
+    Object[][] validPropertyData() {
+        return new Object[][] {
+                //Tests with valid property values
+                {"name=SupEra,abbr=S.E.,since="},
+                {"name = SupEra, abbr = S.E., since = "},
+        };
+    }
+
+    @DataProvider(name = "invalidprop")
+    Object[][] invalidPropertyData() {
+        return new Object[][] {
+                //Tests with invalid property values
+                {"=SupEra,abbr=S.E.,since="},
+                {"=,abbr=S.E.,since="},
+                {"name,abbr=S.E.,since="},
+                {"abbr=S.E.,since="},
+                {"name=SupEra,since="},
+                {"name=,abbr=S.E.,since"},
+                {"name=SupEra,abbr=,since="},
+                {"name=SupEra,abbr=S.E."},
+                {"name=SupEra,abbr=S.E.,since=0"},
+                //since=9223372036854775808 the number means Long.MAX_VALUE+1
+                {"name=SupEra,abbr=S.E.,since=9223372036854775808"},
+        };
+    }
+
+    @Test(dataProvider = "validprop")
+    public void ValidPropertyValuesTest(String prop)
+            throws Throwable {
+        //get the start time of the fictional next era
+        String startTime = getStartTime();
+        testRun(prop + startTime, List.of("-t"));
+    }
+
+    @Test(dataProvider = "invalidprop")
+    public void InvalidPropertyValuesTest(String prop)
+            throws Throwable {
+        //get the start time of the fictional next era
+        String startTime = getStartTime();
+        //get the name of the current era to be used to confirm that
+        //invalid property values are ignored.
+        String currentEra = getCurrentEra();
+        testRun(prop + startTime, List.of("-b", currentEra));
+    }
+
+    private static void testRun(String property, List<String> javaParam)
+            throws Throwable{
+        JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("java");
+        launcher.addToolArg("-cp")
+                .addToolArg(Utils.TEST_CLASS_PATH)
+                .addToolArg("-Djdk.calendar.japanese.supplemental.era=" + property)
+                .addToolArg("SupplementalJapaneseEraTest");
+        for (String para: javaParam) {
+            launcher.addToolArg(para);
+        }
+        int exitCode = ProcessTools.executeCommand(launcher.getCommand())
+                .getExitValue();
+        System.out.println(property + ":pass");
+        if (exitCode != 0) {
+            System.out.println(property + ":fail");
+            throw new RuntimeException("Unexpected exit code: " + exitCode);
+        }
+    }
+
+    private static String getStartTime(){
+        Calendar cal = new Calendar.Builder().setCalendarType("japanese")
+                .setTimeZone(TimeZone.getTimeZone("GMT")).setFields(ERA, 5)
+                .setDate(200, FEBRUARY, 11).build();
+        return String.valueOf(cal.getTimeInMillis());
+    }
+
+    private static String getCurrentEra(){
+        Calendar jcal = new Calendar.Builder()
+                .setCalendarType("japanese")
+                .setFields(YEAR, 1, DAY_OF_YEAR, 1)
+                .build();
+        return jcal.getDisplayName(ERA, LONG, Locale.US);
+    }
+}