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// ArduinoJson - https://arduinojson.org
// Copyright © 2014-2024, Benoit BLANCHON
// MIT License
#include <ArduinoJson/Memory/ResourceManager.hpp>
#include <ArduinoJson/Strings/StringAdapters.hpp>
#include <catch.hpp>
#include "Allocators.hpp"
using namespace ArduinoJson::detail;
static StringNode* saveString(ResourceManager& resources, const char* s) {
return resources.saveString(adaptString(s));
}
static StringNode* saveString(ResourceManager& resources, const char* s,
size_t n) {
return resources.saveString(adaptString(s, n));
}
TEST_CASE("ResourceManager::saveString()") {
ResourceManager resources;
SECTION("Duplicates different strings") {
auto a = saveString(resources, "hello");
auto b = saveString(resources, "world");
REQUIRE(+a->data != +b->data);
REQUIRE(a->length == 5);
REQUIRE(b->length == 5);
REQUIRE(a->references == 1);
REQUIRE(b->references == 1);
REQUIRE(resources.size() == sizeofString("hello") + sizeofString("world"));
}
SECTION("Deduplicates identical strings") {
auto a = saveString(resources, "hello");
auto b = saveString(resources, "hello");
REQUIRE(a == b);
REQUIRE(a->length == 5);
REQUIRE(a->references == 2);
REQUIRE(resources.size() == sizeofString("hello"));
}
SECTION("Deduplicates identical strings that contain NUL") {
auto a = saveString(resources, "hello\0world", 11);
auto b = saveString(resources, "hello\0world", 11);
REQUIRE(a == b);
REQUIRE(a->length == 11);
REQUIRE(a->references == 2);
REQUIRE(resources.size() == sizeofString("hello world"));
}
SECTION("Don't stop on first NUL") {
auto a = saveString(resources, "hello");
auto b = saveString(resources, "hello\0world", 11);
REQUIRE(a != b);
REQUIRE(a->length == 5);
REQUIRE(b->length == 11);
REQUIRE(a->references == 1);
REQUIRE(b->references == 1);
REQUIRE(resources.size() ==
sizeofString("hello") + sizeofString("hello world"));
}
SECTION("Returns NULL when allocation fails") {
ResourceManager pool2(FailingAllocator::instance());
REQUIRE(saveString(pool2, "a") == nullptr);
}
}