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firmware/arduino/get-started/libraries/ArduinoJson/extras/tests/JsonVariant/undefined.cpp

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+// ArduinoJson - https://arduinojson.org
+// Copyright Benoit Blanchon 2014-2021
+// MIT License
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+TEST_CASE("JsonVariant undefined") {
+  JsonVariant variant;
+
+  SECTION("as<T>()") {
+    SECTION("long") {
+      REQUIRE(variant.as<long>() == 0);
+    }
+
+    SECTION("unsigned") {
+      REQUIRE(variant.as<unsigned>() == 0);
+    }
+
+    SECTION("const char*") {
+      REQUIRE(variant.as<const char*>() == 0);
+    }
+
+    SECTION("double") {
+      REQUIRE(variant.as<double>() == 0);
+    }
+
+    SECTION("bool") {
+      REQUIRE(variant.as<bool>() == false);
+    }
+
+    SECTION("JsonArray") {
+      REQUIRE(variant.as<JsonArray>().isNull());
+    }
+
+    SECTION("JsonObject") {
+      REQUIRE(variant.as<JsonObject>().isNull());
+    }
+  }
+
+  SECTION("is<T>()") {
+    SECTION("long") {
+      REQUIRE(variant.is<long>() == false);
+    }
+
+    SECTION("unsigned") {
+      REQUIRE(variant.is<unsigned>() == false);
+    }
+
+    SECTION("const char*") {
+      REQUIRE(variant.is<const char*>() == false);
+    }
+
+    SECTION("double") {
+      REQUIRE(variant.is<double>() == false);
+    }
+
+    SECTION("bool") {
+      REQUIRE(variant.is<bool>() == false);
+    }
+
+    SECTION("JsonArray") {
+      REQUIRE(variant.is<JsonArray>() == false);
+    }
+
+    SECTION("JsonObject") {
+      REQUIRE(variant.is<JsonObject>() == false);
+    }
+  }
+
+  SECTION("set<T>()") {
+    SECTION("long") {
+      REQUIRE(variant.set(42L) == false);
+    }
+
+    SECTION("unsigned") {
+      REQUIRE(variant.set(42U) == false);
+    }
+
+    SECTION("const char*") {
+      REQUIRE(variant.set("42") == false);
+    }
+
+    SECTION("Serialized<const char*>") {
+      REQUIRE(variant.set(serialized("42")) == false);
+    }
+
+    SECTION("double") {
+      REQUIRE(variant.set(42.0) == false);
+    }
+
+    SECTION("bool") {
+      REQUIRE(variant.set(true) == false);
+    }
+  }
+}