diff --git a/spec/cbor_any.cr b/spec/cbor_any.cr
new file mode 100644
index 0000000..fe43a29
--- /dev/null
+++ b/spec/cbor_any.cr
@@ -0,0 +1,33 @@
+require "./spec_helper"
+
+describe CBOR do
+  describe "CBOR::Any" do
+    it "from JSON::Any - 1" do
+      h_any = {"a" => "b", "c" => "d", "e" => true, "f" => 10}
+      json_any = JSON.parse h_any.to_json
+      cbor_any = CBOR::Any.new json_any
+      cbor_any.to_cbor.hexstring.should eq "a461616162616361646165f561660a"
+    end
+
+    it "from JSON::Any - 2" do
+      h_any = {"a" => "b", "c" => "d", "e" => true, "f" => 10}
+      json_any = JSON.parse h_any.to_json
+      cbor_any = CBOR::Any.new json_any
+      cbor_any["f"].should eq 10
+    end
+
+    it "from array" do
+      array = CBOR::Any.from_cbor [ "a", "b", "c", "d" ].to_cbor
+      array.to_cbor.hexstring.should eq "846161616261636164"
+    end
+
+    it "from hash" do
+      h_cany = Hash(String | Int32, String | Int32).new
+      h_cany["name"] = "Alice"
+      h_cany["age"]  = 30
+      h_cany["size"] = 160
+      cbor_any_hash = CBOR::Any.from_cbor h_cany.to_cbor
+      cbor_any_hash.to_cbor.hexstring.should eq "a3646e616d6565416c69636563616765181e6473697a6518a0"
+    end
+  end
+end