Remove empty filter chains from filter chain repo.

* Ensure no empty chains before throwing IndexOutOfBoundsException.
* Verify that application does not throw upon access-control
  in services.xml.

1 files changed, 17 insertions, 0 deletions

diff --git a/application/src/test/java/com/yahoo/application/ApplicationTest.java b/application/src/test/java/com/yahoo/application/ApplicationTest.java
index 9388c8f400e..7b4f39b6ac4 100644
--- a/application/src/test/java/com/yahoo/application/ApplicationTest.java
+++ b/application/src/test/java/com/yahoo/application/ApplicationTest.java
@@ -372,4 +372,21 @@ public class ApplicationTest {
                 "</jdisc>";
     }
 
+    @Test
+    public void application_with_access_control_can_be_constructed() throws Exception {
+        try (Application application = Application.fromServicesXml(servicesXmlWithAccessControl(), Networking.disable)) {
+            Application unused = application;
+        }
+    }
+
+    private static String servicesXmlWithAccessControl() {
+        return "<jdisc version='1.0'>" +
+                "  <http> <server port='" + 0 +"' id='foo'/> " +
+                "    <filtering>" +
+                "      <access-control domain='foo' />" +
+                "    </filtering>" +
+                "  </http>" +
+                "</jdisc>";
+    }
+
 }