diff --git a/tests/test_adapter_comparison.cpp b/tests/test_adapter_comparison.cpp
index d1e8af0..a8164c5 100644
--- a/tests/test_adapter_comparison.cpp
+++ b/tests/test_adapter_comparison.cpp
@@ -9,10 +9,12 @@
 #include <valijson/adapters/property_tree_adapter.hpp>
 #include <valijson/adapters/rapidjson_adapter.hpp>
 #include <valijson/adapters/picojson_adapter.hpp>
+#include <valijson/adapters/json11_adapter.hpp>
 #include <valijson/utils/jsoncpp_utils.hpp>
 #include <valijson/utils/property_tree_utils.hpp>
 #include <valijson/utils/rapidjson_utils.hpp>
 #include <valijson/utils/picojson_utils.hpp>
+#include <valijson/utils/json11_utils.hpp>
 
 #define TEST_DATA_DIR "../tests/data/documents/"
 
@@ -155,6 +157,13 @@ TEST_F(TestAdapterComparison, JsonCppVsRapidJsonCrtAlloc)
             rapidjson::CrtAllocator> > >();
 }
 
+TEST_F(TestAdapterComparison, JsonCppVsJson11)
+{
+    testComparison<
+        valijson::adapters::JsonCppAdapter,
+        valijson::adapters::Json11Adapter>();
+}
+
 TEST_F(TestAdapterComparison, PropertyTreeVsPicoJson)
 {
     testComparison<
@@ -234,3 +243,40 @@ TEST_F(TestAdapterComparison, RapidJsonCrtAllocVsRapidJsonCrtAlloc)
             rapidjson::GenericValue<rapidjson::UTF8<>,
             rapidjson::CrtAllocator> > >();
 }
+
+TEST_F(TestAdapterComparison, Json11VsJson11)
+{
+    testComparison<
+        valijson::adapters::Json11Adapter,
+        valijson::adapters::Json11Adapter>();
+}
+
+TEST_F(TestAdapterComparison, Json11VsRapidJson)
+{
+    testComparison<
+        valijson::adapters::Json11Adapter,
+        valijson::adapters::RapidJsonAdapter>();
+}
+
+TEST_F(TestAdapterComparison, Json11VsRapidJsonCrtAlloc)
+{
+    testComparison<
+        valijson::adapters::Json11Adapter,
+        valijson::adapters::GenericRapidJsonAdapter<
+            rapidjson::GenericValue<rapidjson::UTF8<>,
+            rapidjson::CrtAllocator> > >();
+}
+
+TEST_F(TestAdapterComparison, Json11VsPicoJson)
+{
+    testComparison<
+        valijson::adapters::Json11Adapter,
+        valijson::adapters::PicoJsonAdapter>();
+}
+
+TEST_F(TestAdapterComparison, Json11VsPropertyTree)
+{
+    testComparison<
+        valijson::adapters::Json11Adapter,
+        valijson::adapters::PropertyTreeAdapter>();
+}
diff --git a/tests/test_validator.cpp b/tests/test_validator.cpp
index f3eeb21..2d6b2e8 100644
--- a/tests/test_validator.cpp
+++ b/tests/test_validator.cpp
@@ -10,9 +10,11 @@
 #include <valijson/adapters/jsoncpp_adapter.hpp>
 #include <valijson/adapters/rapidjson_adapter.hpp>
 #include <valijson/adapters/picojson_adapter.hpp>
+#include <valijson/adapters/json11_adapter.hpp>
 #include <valijson/utils/jsoncpp_utils.hpp>
 #include <valijson/utils/rapidjson_utils.hpp>
 #include <valijson/utils/picojson_utils.hpp>
+#include <valijson/utils/json11_utils.hpp>
 #include <valijson/schema.hpp>
 #include <valijson/schema_parser.hpp>
 #include <valijson/validation_results.hpp>
@@ -116,6 +118,7 @@ protected:
         processTestFile<valijson::adapters::JsonCppAdapter>(testFile, version);
         processTestFile<valijson::adapters::RapidJsonAdapter>(testFile, version);
         processTestFile<valijson::adapters::PicoJsonAdapter>(testFile, version);
+        processTestFile<valijson::adapters::Json11Adapter>(testFile, version);
     }
 
     void processDraft3TestFile(const std::string &testFile)