--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/tools/jpackage/macosx/base/SigningCheck.java	Fri Oct 04 14:56:02 2019 -0400
@@ -0,0 +1,101 @@
+/*
+ * 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.
+ */
+
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+
+import jdk.jpackage.test.TKit;
+import jdk.jpackage.test.Executor;
+
+import jdk.jpackage.internal.MacCertificate;
+
+public class SigningCheck {
+
+    public static void checkCertificates() {
+        List<String> result = findCertificate(SigningBase.APP_CERT, SigningBase.KEYCHAIN);
+        String key = findKey(SigningBase.APP_CERT, result);
+        validateCertificate(key);
+        validateCertificateTrust(SigningBase.APP_CERT);
+
+        result = findCertificate(SigningBase.INSTALLER_CERT, SigningBase.KEYCHAIN);
+        key = findKey(SigningBase.INSTALLER_CERT, result);
+        validateCertificate(key);
+        validateCertificateTrust(SigningBase.INSTALLER_CERT);
+    }
+
+    private static List<String> findCertificate(String name, String keyChain) {
+        List<String> result = new Executor()
+                .setExecutable("security")
+                .addArguments("find-certificate", "-c", name, "-a", keyChain)
+                .executeAndGetOutput();
+
+        return result;
+    }
+
+    private static String findKey(String name, List<String> result) {
+        Pattern p = Pattern.compile("\"alis\"<blob>=\"([^\"]+)\"");
+        Matcher m = p.matcher(result.stream().collect(Collectors.joining()));
+        if (!m.find()) {
+            TKit.trace("Did not found a key for '" + name + "'");
+            return null;
+        }
+        String matchedKey = m.group(1);
+        if (m.find()) {
+            TKit.trace("Found more than one key for '" + name + "'");
+            return null;
+        }
+        TKit.trace("Using key '" + matchedKey);
+        return matchedKey;
+    }
+
+    private static void validateCertificate(String key) {
+        if (key != null) {
+            MacCertificate certificate = new MacCertificate(
+                    key, true);
+            if (!certificate.isValid()) {
+                TKit.throwSkippedException("Certifcate expired: " + key);
+            } else {
+                return;
+            }
+        }
+
+        TKit.throwSkippedException("Cannot find required certifciates: " + key);
+    }
+
+    private static void validateCertificateTrust(String name) {
+        List<String> result = new Executor()
+                .setExecutable("security")
+                .addArguments("dump-trust-settings")
+                .executeAndGetOutput();
+        result.stream().peek(TKit::trace);
+        result.stream()
+                .filter(line -> line.trim().endsWith(name)).findFirst().orElseThrow(
+                () -> {
+                    throw TKit.throwSkippedException("Certifcate not trusted by current user: "
+                            + name);
+                });
+    }
+
+}