Add some test cases for comparing equality on reference parameters.

js/test_cases/reference_parameters/input1.json

@@ -19,5 +19,14 @@
         "bar"
       ]
     }
-  ]
+  ],
+  "some_object": {
+    "foo": "bar"
+  },
+  "some_same_object": {
+    "foo": "bar"
+  },
+  "some_different_object": {
+    "foo": "baz"
+  }
 }

js/test_cases/reference_parameters/main.dust

@@ -53,3 +53,12 @@ Reference Parameters{~n}
 {#truthy name="chris" pet="{petname}" petname="{deeperpetname}" deeperpetname="fluffy"}
     Hello {name}, nice {pet}{~n}
 {/truthy}
+
+Equality{~n}
+========{~n}
+{@eq key=some_object value=some_object}some_object equals some_object{:else}some_object does not equal some_object{/eq}{~n}
+{@eq key=some_object value=some_same_object}some_object equals some_same_object{:else}some_object does not equal some_same_object{/eq}{~n}
+{@eq key=some_object value="{some_object}"}some_object equals reference(some_object){:else}some_object does not equal reference(some_object){/eq}{~n}
+{@eq key="{some_object}" value="{some_object}"}reference(some_object) equals reference(some_object){:else}reference(some_object) does not equal reference(some_object){/eq}{~n}
+{@eq key="{some_object}" value="{some_same_object}"}reference(some_object) equals reference(some_same_object){:else}reference(some_object) does not equal reference(some_same_object){/eq}{~n}
+{@eq key="{some_object}" value="{some_different_object}"}reference(some_object) equals reference(some_different_object){:else}reference(some_object) does not equal reference(some_different_object){/eq}{~n}