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.

140 lines
3.7 KiB

// ArduinoJson - https://arduinojson.org
// Copyright © 2014-2024, Benoit BLANCHON
// MIT License
#include <ArduinoJson.h>
#include <catch.hpp>
#include "Allocators.hpp"
TEST_CASE("JsonVariant::set(JsonVariant)") {
KillswitchAllocator killswitch;
SpyingAllocator spyingAllocator(&killswitch);
JsonDocument doc1(&spyingAllocator);
JsonDocument doc2(&spyingAllocator);
JsonVariant var1 = doc1.to<JsonVariant>();
JsonVariant var2 = doc2.to<JsonVariant>();
SECTION("stores JsonArray by copy") {
JsonArray arr = doc2.to<JsonArray>();
JsonObject obj = arr.add<JsonObject>();
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["value"].to<JsonArray>();
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!!");
spyingAllocator.clearLog();
var2.set(var1);
REQUIRE(spyingAllocator.log() == AllocatorLog{});
}
SECTION("stores char* by copy") {
char str[] = "hello!!";
var1.set(str);
spyingAllocator.clearLog();
var2.set(var1);
REQUIRE(spyingAllocator.log() == AllocatorLog{
Allocate(sizeofString("hello!!")),
});
}
SECTION("fails gracefully if string allocation fails") {
char str[] = "hello!!";
var1.set(str);
killswitch.on();
spyingAllocator.clearLog();
var2.set(var1);
REQUIRE(doc2.overflowed() == true);
REQUIRE(spyingAllocator.log() == AllocatorLog{
AllocateFail(sizeofString("hello!!")),
});
}
SECTION("stores std::string by copy") {
var1.set(std::string("hello!!"));
spyingAllocator.clearLog();
var2.set(var1);
REQUIRE(spyingAllocator.log() == AllocatorLog{
Allocate(sizeofString("hello!!")),
});
}
SECTION("stores Serialized<const char*> by copy") {
var1.set(serialized("hello!!", 7));
spyingAllocator.clearLog();
var2.set(var1);
REQUIRE(spyingAllocator.log() == AllocatorLog{
Allocate(sizeofString("hello!!")),
});
}
SECTION("stores Serialized<char*> by copy") {
char str[] = "hello!!";
var1.set(serialized(str, 7));
spyingAllocator.clearLog();
var2.set(var1);
REQUIRE(spyingAllocator.log() == AllocatorLog{
Allocate(sizeofString("hello!!")),
});
}
SECTION("stores Serialized<std::string> by copy") {
var1.set(serialized(std::string("hello!!")));
spyingAllocator.clearLog();
var2.set(var1);
REQUIRE(spyingAllocator.log() == AllocatorLog{
Allocate(sizeofString("hello!!")),
});
}
SECTION("fails gracefully if raw string allocation fails") {
var1.set(serialized(std::string("hello!!")));
killswitch.on();
spyingAllocator.clearLog();
var2.set(var1);
REQUIRE(doc2.overflowed() == true);
REQUIRE(spyingAllocator.log() == AllocatorLog{
AllocateFail(sizeofString("hello!!")),
});
}
SECTION("destination is unbound") {
JsonVariant unboundVariant;
unboundVariant.set(var1);
REQUIRE(unboundVariant.isUnbound());
REQUIRE(unboundVariant.isNull());
}
}