lookupAssertionRule: Return null when no assertion is found.

unexpectedjs · Dec 23, 2015 · 2483881 · 2483881
1 parent e55a295
commit 2483881
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/lib/Unexpected.js b/lib/Unexpected.js
@@ -917,7 +917,7 @@ Unexpected.prototype.lookupAssertionRule = function (subject, testDescriptionStr
     }
     var handlers = this.assertions[testDescriptionString];
     if (!handlers) {
-        return;
+        return null;
     }
     var cachedTypes = {};
 
@@ -986,6 +986,8 @@ Unexpected.prototype.lookupAssertionRule = function (subject, testDescriptionStr
             return handler;
         }
     }
+
+    return null;
 };
 
 function makeExpectFunction(unexpected) {