fpapon commented on a change in pull request #132: [SHIRO-685] Potential 
NullPointerException if PermissionResolver retu…
URL: https://github.com/apache/shiro/pull/132#discussion_r282588719
 
 

 ##########
 File path: core/src/test/java/org/apache/shiro/realm/AuthorizingRealmTest.java
 ##########
 @@ -214,6 +228,36 @@ public void testRealmWithRolePermissionResolver()
         assertTrue( realm.isPermitted( pCollection, "other:bar:foo" ) );
     }
 
+    @Test
+    public void testRealmWithEmptyOrNullPermissions() {
+        Principal principal = new UsernamePrincipal("rolePermResolver");
+        PrincipalCollection pCollection = new 
SimplePrincipalCollection(principal, "testRealmWithRolePermissionResolver");
+
+        AuthorizingRealm realm = new AllowAllRealm();
+        realm.setRolePermissionResolver( new RolePermissionResolver()
+        {
+            public Collection<Permission> resolvePermissionsInRole( String 
roleString )
+            {
+                Collection<Permission> permissions = new HashSet<Permission>();
+                if( roleString.equals( ROLE ))
+                {
+                    permissions.add( new WildcardPermission( ROLE + ":perm1" ) 
);
+                    permissions.add( new WildcardPermission( ROLE + ":perm2" ) 
);
+                    permissions.add( new WildcardPermission( "other:*:foo" ) );
 
 Review comment:
   @bdemers done :)

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