// ArduinoJson - https://arduinojson.org // Copyright Benoit Blanchon 2014-2021 // MIT License #include <ArduinoJson.h> #include <catch.hpp> TEST_CASE("JsonVariant::set(JsonVariant)") { DynamicJsonDocument doc1(4096); DynamicJsonDocument doc2(4096); JsonVariant var1 = doc1.to<JsonVariant>(); JsonVariant var2 = doc2.to<JsonVariant>(); SECTION("stores JsonArray by copy") { JsonArray arr = doc2.to<JsonArray>(); JsonObject obj = arr.createNestedObject(); obj["hello"] = "world"; var1.set(arr); arr[0] = 666; REQUIRE(var1.as<std::string>() == "[{\"hello\":\"world\"}]"); } SECTION("stores JsonObject by copy") { JsonObject obj = doc2.to<JsonObject>(); JsonArray arr = obj.createNestedArray("value"); arr.add(42); var1.set(obj); obj["value"] = 666; REQUIRE(var1.as<std::string>() == "{\"value\":[42]}"); } SECTION("stores const char* by reference") { var1.set("hello!!"); var2.set(var1); REQUIRE(doc1.memoryUsage() == 0); REQUIRE(doc2.memoryUsage() == 0); } SECTION("stores char* by copy") { char str[] = "hello!!"; var1.set(str); var2.set(var1); REQUIRE(doc1.memoryUsage() == JSON_STRING_SIZE(7)); REQUIRE(doc2.memoryUsage() == JSON_STRING_SIZE(7)); } SECTION("stores std::string by copy") { var1.set(std::string("hello!!")); var2.set(var1); REQUIRE(doc1.memoryUsage() == JSON_STRING_SIZE(7)); REQUIRE(doc2.memoryUsage() == JSON_STRING_SIZE(7)); } SECTION("stores Serialized<const char*> by reference") { var1.set(serialized("hello!!", 8)); var2.set(var1); REQUIRE(doc1.memoryUsage() == 0); REQUIRE(doc2.memoryUsage() == 0); } SECTION("stores Serialized<char*> by copy") { char str[] = "hello!!"; var1.set(serialized(str, 7)); var2.set(var1); REQUIRE(doc1.memoryUsage() == JSON_STRING_SIZE(7)); REQUIRE(doc2.memoryUsage() == JSON_STRING_SIZE(7)); } SECTION("stores Serialized<std::string> by copy") { var1.set(serialized(std::string("hello!!"))); var2.set(var1); REQUIRE(doc1.memoryUsage() == JSON_STRING_SIZE(7)); REQUIRE(doc2.memoryUsage() == JSON_STRING_SIZE(7)); } }