1 files changed, 6 insertions, 0 deletions
diff --git a/src/test/scala/cc/spray/json/BasicFormatsSpec.scala b/src/test/scala/cc/spray/json/BasicFormatsSpec.scala
index 7f74e37..11576a4 100644
--- a/src/test/scala/cc/spray/json/BasicFormatsSpec.scala
+++ b/src/test/scala/cc/spray/json/BasicFormatsSpec.scala
@@ -38,6 +38,9 @@ class BasicFormatsSpec extends Specification with DefaultJsonProtocol {
     "convert a JsNumber to a Float" in {
       JsNumber(4.2f).fromJson[Float] mustEqual 4.2f 
     }
+    "convert a JsNull to a Float" in {
+      JsNull.fromJson[Float].isNaN mustEqual Float.NaN.isNaN
+    }
   }
   
   "The DoubleJsonFormat" should {
@@ -56,6 +59,9 @@ class BasicFormatsSpec extends Specification with DefaultJsonProtocol {
     "convert a JsNumber to a Double" in {
       JsNumber(4.2).fromJson[Double] mustEqual 4.2 
     }
+    "convert a JsNull to a Double" in {
+      JsNull.fromJson[Double].isNaN mustEqual Double.NaN.isNaN
+    }
   }
   
   "The ByteJsonFormat" should {