You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
MicroDexed/third-party/ArduinoJson/extras/tests/JsonVariant/shallowCopy.cpp

87 lines
2.1 KiB

// ArduinoJson - https://arduinojson.org
// Copyright © 2014-2022, Benoit BLANCHON
// MIT License
#include <ArduinoJson.h>
#include <catch.hpp>
TEST_CASE("JsonVariant::shallowCopy()") {
StaticJsonDocument<1024> doc1, doc2;
JsonVariant variant = doc1.to<JsonVariant>();
SECTION("JsonVariant::shallowCopy(JsonDocument&)") {
doc2["hello"] = "world";
variant.shallowCopy(doc2);
CHECK(variant.as<std::string>() == "{\"hello\":\"world\"}");
// altering the linked document should change the result
doc2["hello"] = "WORLD!";
CHECK(variant.as<std::string>() == "{\"hello\":\"WORLD!\"}");
}
SECTION("JsonVariant::shallowCopy(MemberProxy)") {
doc2["obj"]["hello"] = "world";
variant.shallowCopy(doc2["obj"]);
CHECK(variant.as<std::string>() == "{\"hello\":\"world\"}");
// altering the linked document should change the result
doc2["obj"]["hello"] = "WORLD!";
CHECK(variant.as<std::string>() == "{\"hello\":\"WORLD!\"}");
}
SECTION("JsonVariant::shallowCopy(ElementProxy)") {
doc2[0]["hello"] = "world";
variant.shallowCopy(doc2[0]);
CHECK(variant.as<std::string>() == "{\"hello\":\"world\"}");
// altering the linked document should change the result
doc2[0]["hello"] = "WORLD!";
CHECK(variant.as<std::string>() == "{\"hello\":\"WORLD!\"}");
}
SECTION("target is unbound") {
JsonVariant unbound;
variant["hello"] = "world";
variant.shallowCopy(unbound);
CHECK(variant.isUnbound() == false);
CHECK(variant.isNull() == true);
CHECK(variant.memoryUsage() == 0);
CHECK(variant.size() == 0);
}
SECTION("variant is unbound") {
JsonVariant unbound;
doc2["hello"] = "world";
unbound.shallowCopy(doc2);
CHECK(unbound.isUnbound() == true);
CHECK(unbound.isNull() == true);
CHECK(unbound.memoryUsage() == 0);
CHECK(unbound.size() == 0);
}
SECTION("preserves owned key bit") {
doc2.set(42);
doc1["a"].shallowCopy(doc2);
doc1[std::string("b")].shallowCopy(doc2);
JsonObject::iterator it = doc1.as<JsonObject>().begin();
CHECK(it->key().isLinked() == true);
++it;
CHECK(it->key().isLinked() == false);
}
}