1 files changed, 9 insertions, 0 deletions
diff --git a/config-provisioning/src/test/java/com/yahoo/config/provision/ApplicationIdTest.java b/config-provisioning/src/test/java/com/yahoo/config/provision/ApplicationIdTest.java
index 2016490d292..622fc2527bf 100644
--- a/config-provisioning/src/test/java/com/yahoo/config/provision/ApplicationIdTest.java
+++ b/config-provisioning/src/test/java/com/yahoo/config/provision/ApplicationIdTest.java
@@ -10,7 +10,9 @@ import java.util.List;
 import java.util.Set;
 
 import static com.yahoo.config.provision.ApplicationId.from;
+import static com.yahoo.config.provision.ApplicationId.global;
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
 
 /**
  * @author Ulf Lilleengen
@@ -111,6 +113,13 @@ public class ApplicationIdTest {
         assertEquals("c", applicationId.instance().value());
     }
 
+    @Test
+    public void require_that_global_is_special() {
+        assertEquals(global(), global());
+        assertNotEquals(global(), from("hosted-vespa", "routing", "default"));
+        assertEquals(global().serializedForm(), from("hosted-vespa", "routing", "default").serializedForm());
+    }
+
     private ApplicationId applicationId(String applicationName) {
         return from(TenantName.defaultName(), ApplicationName.from(applicationName), InstanceName.defaultName());
     }