--- a/test/jdk/TEST.groups	Mon Mar 05 08:50:47 2018 -0800
+++ b/test/jdk/TEST.groups	Mon Mar 05 05:44:46 2018 -0800
@@ -29,6 +29,7 @@
     :jdk_lang \
     :jdk_util \
     :jdk_svc_sanity \
+    :build_sanity \
     sun/nio/cs/ISO8859x.java \
     java/nio/Buffer \
     com/sun/crypto/provider/Cipher \
@@ -61,6 +62,10 @@
 # Other test definitions; generally smaller granularity than tiers
 #
 
+# Build source checking
+build_sanity = \
+    sanity/releaseFile
+
 # java.lang package and VM runtime support
 jdk_lang = \
     java/lang \

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/sanity/releaseFile/CheckSource.java	Mon Mar 05 05:44:46 2018 -0800
@@ -0,0 +1,120 @@
+
+/*
+ * 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 8193660
+ * @summary Check SOURCE line in "release" file for closedjdk
+ * @run main CheckSource
+ */
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+
+public class CheckSource {
+
+    CheckSource(String dataFile, boolean isOpenJDK) {
+        // Read data files
+        readFile(dataFile, isOpenJDK);
+    }
+
+    private void readFile(String fileName, boolean isOpenJDK) {
+        String fishForSOURCE = null;
+
+        File file = new File(fileName);
+
+        // open the stream to read in for Entries
+        try (BufferedReader buffRead =
+            new BufferedReader(new FileReader(fileName))) {
+
+            // this is the string read
+            String readIn;
+
+            // let's read some strings!
+            while ((readIn = buffRead.readLine()) != null) {
+                readIn = readIn.trim();
+
+                // throw out blank lines
+                if (readIn.length() == 0)
+                    continue;
+
+                // grab SOURCE line
+                if (readIn.startsWith("SOURCE=")) {
+                    fishForSOURCE = readIn;
+                    break;
+                }
+            }
+        } catch (FileNotFoundException fileExcept) {
+            throw new RuntimeException("File " + fileName +
+                                       " not found reading data!", fileExcept);
+        } catch (IOException ioExcept) {
+            throw new RuntimeException("Unexpected problem reading data!",
+                                       ioExcept);
+        }
+
+        // was SOURCE even found?
+        if (fishForSOURCE == null) {
+            throw new RuntimeException("SOURCE line was not found!");
+        } else {
+            // OK it was found, did it have correct sources?
+            System.out.println("The source string found: " + fishForSOURCE);
+
+            // First it MUST have .: regardless of closed or openJDK
+            if (!fishForSOURCE.contains(".:")) {
+                throw new RuntimeException("The test failed, .: not found!");
+            }
+            // take out the .: source path
+            fishForSOURCE = fishForSOURCE.replace(".:", "");
+
+            // if its closedJDK it MUST have open:
+            if (!isOpenJDK && !fishForSOURCE.contains("open:")) {
+                throw new RuntimeException("The test failed, open: not found!");
+            }
+            // take out the open: source path
+            fishForSOURCE = fishForSOURCE.replace("open:", "");
+
+            // if any other source exists, that's an error
+            if (fishForSOURCE.contains(":")) {
+                throw new RuntimeException("The test failed, additional sources found!");
+            }
+        }
+
+        // Everything was fine
+        System.out.println("The test passed!");
+    }
+
+    public static void main(String args[]) {
+        String jdkPath = System.getProperty("test.jdk");
+        String runtime = System.getProperty("java.runtime.name");
+
+        System.out.println("JDK Path : " + jdkPath);
+        System.out.println("Runtime Name : " + runtime);
+
+        new CheckSource(jdkPath + "/release",
+                              runtime.contains("OpenJDK"));
+    }
+}