// ArduinoJson - https://arduinojson.org // Copyright © 2014-2022, Benoit BLANCHON // MIT License #include <ArduinoJson.h> #include <catch.hpp> TEST_CASE("deserialize JSON object with StaticJsonDocument") { SECTION("BufferOfTheRightSizeForEmptyObject") { StaticJsonDocument<JSON_OBJECT_SIZE(0)> doc; char input[] = "{}"; DeserializationError err = deserializeJson(doc, input); REQUIRE(err == DeserializationError::Ok); } SECTION("TooSmallBufferForObjectWithOneValue") { StaticJsonDocument<JSON_OBJECT_SIZE(0)> doc; char input[] = "{\"a\":1}"; DeserializationError err = deserializeJson(doc, input); REQUIRE(err == DeserializationError::NoMemory); } SECTION("BufferOfTheRightSizeForObjectWithOneValue") { StaticJsonDocument<JSON_OBJECT_SIZE(1)> doc; char input[] = "{\"a\":1}"; DeserializationError err = deserializeJson(doc, input); REQUIRE(err == DeserializationError::Ok); } SECTION("TooSmallBufferForObjectWithNestedObject") { StaticJsonDocument<JSON_OBJECT_SIZE(0) + JSON_ARRAY_SIZE(0)> doc; char input[] = "{\"a\":[]}"; DeserializationError err = deserializeJson(doc, input); REQUIRE(err == DeserializationError::NoMemory); } SECTION("BufferOfTheRightSizeForObjectWithNestedObject") { StaticJsonDocument<JSON_OBJECT_SIZE(1) + JSON_ARRAY_SIZE(0)> doc; char input[] = "{\"a\":[]}"; DeserializationError err = deserializeJson(doc, input); REQUIRE(err == DeserializationError::Ok); } SECTION("Should clear the JsonObject") { StaticJsonDocument<JSON_OBJECT_SIZE(1)> doc; char input[] = "{\"hello\":\"world\"}"; deserializeJson(doc, input); deserializeJson(doc, "{}"); REQUIRE(doc.as<JsonObject>().size() == 0); REQUIRE(doc.memoryUsage() == JSON_OBJECT_SIZE(0)); } }