Merge pull request #17 from tomalec/changingNullValue

Add tests for replacing, moving, coping, and removing `null` value

Author: mnot

tests.json

@@ -183,7 +183,32 @@
 
     { "doc": {"foo": null},
       "patch": [{"op": "test", "path": "/foo", "value": null}],
-      "comment": "null value should still be valid obj property" },
+      "comment": "null value should be valid obj property" },
+
+    { "doc": {"foo": null},
+      "patch": [{"op": "replace", "path": "/foo", "value": "truthy"}],
+      "expected": {"foo": "truthy"},
+      "comment": "null value should be valid obj property to be replaced with something truthy" },
+      
+    { "doc": {"foo": null},
+      "patch": [{"op": "move", "from": "/foo", "path": "/bar"}],
+      "expected": {"bar": null},
+      "comment": "null value should be valid obj property to be moved" },
+      
+    { "doc": {"foo": null},
+      "patch": [{"op": "copy", "from": "/foo", "path": "/bar"}],
+      "expected": {"foo": null, "bar": null},
+      "comment": "null value should be valid obj property to be copied" },
+      
+    { "doc": {"foo": null},
+      "patch": [{"op": "remove", "path": "/foo"}],
+      "expected": {},
+      "comment": "null value should be valid obj property to be removed" },
+
+    { "doc": {"foo": "bar"},
+      "patch": [{"op": "replace", "path": "/foo", "value": null}],
+      "expected": {"foo": null},
+      "comment": "null value should still be valid obj property replace other value" },
 
     { "doc": {"foo": {"foo": 1, "bar": 2}},
       "patch": [{"op": "test", "path": "/foo", "value": {"bar": 2, "foo": 1}}],