add another test

Author: treeform

tests/test_skip_nil_keys.nim

@@ -0,0 +1,42 @@
+import jsony
+
+proc dumpHook*(s: var string, v: object) =
+  s.add '{'
+  var i = 0
+  # Normal objects.
+  for k, e in v.fieldPairs:
+    when compiles(e != nil):
+      if e != nil:
+        if i > 0:
+          s.add ','
+        s.dumpHook(k)
+        s.dumpHook(e)
+        inc i
+    else:
+      if i > 0:
+        s.add ','
+      s.dumpHook(k)
+      s.dumpHook(e)
+      inc i
+  s.add '}'
+
+type
+  Foo = ref object
+    count: int
+
+  Bar = object
+    id: string
+    something: Foo
+
+var
+  foo1 = Bar(
+    id: "123",
+    something: Foo(count: 1)
+  )
+  foo2 = Bar(
+    id: "456",
+    something: nil
+  )
+
+echo foo1.toJson()
+echo foo2.toJson()