// ArduinoJson - https://arduinojson.org // Copyright Benoit Blanchon 2014-2021 // MIT License #include <ArduinoJson.h> #include <catch.hpp> TEST_CASE("JsonObject::set()") { DynamicJsonDocument doc1(4096); DynamicJsonDocument doc2(4096); JsonObject obj1 = doc1.to<JsonObject>(); JsonObject obj2 = doc2.to<JsonObject>(); SECTION("doesn't copy static string in key or value") { obj1["hello"] = "world"; bool success = obj2.set(obj1); REQUIRE(success == true); REQUIRE(doc1.memoryUsage() == doc2.memoryUsage()); REQUIRE(obj2["hello"] == std::string("world")); } SECTION("copy local string value") { obj1["hello"] = std::string("world"); bool success = obj2.set(obj1); REQUIRE(success == true); REQUIRE(doc1.memoryUsage() == doc2.memoryUsage()); REQUIRE(obj2["hello"] == std::string("world")); } SECTION("copy local key") { obj1[std::string("hello")] = "world"; bool success = obj2.set(obj1); REQUIRE(success == true); REQUIRE(doc1.memoryUsage() == doc2.memoryUsage()); REQUIRE(obj2["hello"] == std::string("world")); } SECTION("copy string from deserializeJson()") { deserializeJson(doc1, "{'hello':'world'}"); bool success = obj2.set(obj1); REQUIRE(success == true); REQUIRE(doc1.memoryUsage() == doc2.memoryUsage()); REQUIRE(obj2["hello"] == std::string("world")); } SECTION("copy string from deserializeMsgPack()") { deserializeMsgPack(doc1, "\x81\xA5hello\xA5world"); bool success = obj2.set(obj1); REQUIRE(success == true); REQUIRE(doc1.memoryUsage() == doc2.memoryUsage()); REQUIRE(obj2["hello"] == std::string("world")); } SECTION("should work with JsonObjectConst") { obj1["hello"] = "world"; obj2.set(static_cast<JsonObjectConst>(obj1)); REQUIRE(doc1.memoryUsage() == doc2.memoryUsage()); REQUIRE(obj2["hello"] == std::string("world")); } SECTION("destination too small to store the key") { StaticJsonDocument<JSON_OBJECT_SIZE(1)> doc3; JsonObject obj3 = doc3.to<JsonObject>(); obj1[std::string("hello")] = "world"; bool success = obj3.set(obj1); REQUIRE(success == false); REQUIRE(doc3.as<std::string>() == "{}"); } SECTION("destination too small to store the value") { StaticJsonDocument<JSON_OBJECT_SIZE(1)> doc3; JsonObject obj3 = doc3.to<JsonObject>(); obj1["hello"] = std::string("world"); bool success = obj3.set(obj1); REQUIRE(success == false); REQUIRE(doc3.as<std::string>() == "{\"hello\":null}"); } SECTION("destination is null") { JsonObject null; obj1["hello"] = "world"; bool success = null.set(obj1); REQUIRE(success == false); } SECTION("source is null") { JsonObject null; obj1["hello"] = "world"; bool success = obj1.set(null); REQUIRE(success == false); } }