Add test to check whether __with__ ignores all returned values which are not a promise

1 files changed, 15 insertions, 0 deletions

diff --git a/test/__with__.test.js b/test/__with__.test.js
index 3cd4b57..c4f7539 100644
--- a/test/__with__.test.js
+++ b/test/__with__.test.js
@@ -176,6 +176,21 @@ describe("__with__", function() {
             expect(moduleFake.getReference()).to.eql({});
         });
 
+        it("should ignore any returned value which doesn't provide a then()-method", function () {
+            expect(moduleFake.getValue()).to.be(0);
+            expect(moduleFake.getReference()).to.eql({});
+
+            moduleFake.__with__({
+                myValue: 2,
+                myReference: newObj
+            })(function () {
+                return {};
+            });
+
+            expect(moduleFake.getValue()).to.be(0);
+            expect(moduleFake.getReference()).to.eql({});
+        });
+
     });
 
 });