initial commit

lib_standalone/ArduinoJson/extras/tests/MixedConfiguration/cpp11.cpp

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+#include <ArduinoJson.h>
+
+#include <catch.hpp>
+
+#if __cplusplus >= 201103L
+
+TEST_CASE("nullptr") {
+  DynamicJsonDocument doc(4096);
+  JsonVariant variant = doc.to<JsonVariant>();
+
+  SECTION("JsonVariant == nullptr") {
+    REQUIRE((variant == nullptr));
+    REQUIRE_FALSE((variant != nullptr));
+  }
+
+  SECTION("JsonVariant != nullptr") {
+    variant.set(42);
+
+    REQUIRE_FALSE((variant == nullptr));
+    REQUIRE((variant != nullptr));
+  }
+
+  SECTION("JsonVariant.set(nullptr)") {
+    variant.set(42);
+    variant.set(nullptr);
+
+    REQUIRE(variant.isNull());
+  }
+
+  SECTION("JsonVariant.is<nullptr_t>()") {
+    variant.set(42);
+    REQUIRE(variant.is<std::nullptr_t>() == false);
+
+    variant.clear();
+    REQUIRE(variant.is<std::nullptr_t>() == true);
+  }
+}
+
+TEST_CASE("Issue #1120") {
+  StaticJsonDocument<500> doc;
+  constexpr char str[] =
+      "{\"contents\":[{\"module\":\"Packet\"},{\"module\":\"Analog\"}]}";
+  deserializeJson(doc, str);
+
+  SECTION("MemberProxy<std::string>::isNull()") {
+    SECTION("returns false") {
+      auto value = doc[std::string("contents")];
+      CHECK(value.isNull() == false);
+    }
+
+    SECTION("returns true") {
+      auto value = doc[std::string("zontents")];
+      CHECK(value.isNull() == true);
+    }
+  }
+
+  SECTION("ElementProxy<MemberProxy<const char*> >::isNull()") {
+    SECTION("returns false") {  // Issue #1120
+      auto value = doc["contents"][1];
+      CHECK(value.isNull() == false);
+    }
+
+    SECTION("returns true") {
+      auto value = doc["contents"][2];
+      CHECK(value.isNull() == true);
+    }
+  }
+
+  SECTION("MemberProxy<ElementProxy<MemberProxy>, const char*>::isNull()") {
+    SECTION("returns false") {
+      auto value = doc["contents"][1]["module"];
+      CHECK(value.isNull() == false);
+    }
+
+    SECTION("returns true") {
+      auto value = doc["contents"][1]["zodule"];
+      CHECK(value.isNull() == true);
+    }
+  }
+
+  SECTION("MemberProxy<ElementProxy<MemberProxy>, std::string>::isNull()") {
+    SECTION("returns false") {
+      auto value = doc["contents"][1][std::string("module")];
+      CHECK(value.isNull() == false);
+    }
+
+    SECTION("returns true") {
+      auto value = doc["contents"][1][std::string("zodule")];
+      CHECK(value.isNull() == true);
+    }
+  }
+}
+
+#endif