add arduino json lib

#182

lib/ArduinoJson/test/JsonVariant/success.cpp

@@ -0,0 +1,42 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+TEST_CASE("JsonVariant::success()") {
+  SECTION("ReturnsFalse_WhenUndefined") {
+    JsonVariant variant;
+    REQUIRE(false == variant.success());
+  }
+
+  SECTION("ReturnsTrue_WhenInteger") {
+    JsonVariant variant = 0;
+    REQUIRE(true == variant.success());
+  }
+
+  SECTION("ReturnsTrue_WhenEmptyArray") {
+    DynamicJsonBuffer jsonBuffer;
+
+    JsonVariant variant = jsonBuffer.createArray();
+    REQUIRE(true == variant.success());
+  }
+
+  SECTION("ReturnsTrue_WhenEmptyObject") {
+    DynamicJsonBuffer jsonBuffer;
+
+    JsonVariant variant = jsonBuffer.createObject();
+    REQUIRE(true == variant.success());
+  }
+
+  SECTION("ReturnsFalse_WhenInvalidArray") {
+    JsonVariant variant = JsonArray::invalid();
+    REQUIRE(false == variant.success());
+  }
+
+  SECTION("ReturnsFalse_WhenInvalidObject") {
+    JsonVariant variant = JsonObject::invalid();
+    REQUIRE(false == variant.success());
+  }
+}