Files
ArduinoJson/extras/tests/ResourceManager/allocVariant.cpp

59 lines
1.6 KiB
C++

// ArduinoJson - https://arduinojson.org
// Copyright © 2014-2023, Benoit BLANCHON
// MIT License
#include <ArduinoJson/Memory/Alignment.hpp>
#include <ArduinoJson/Memory/ResourceManager.hpp>
#include <ArduinoJson/Memory/VariantPoolImpl.hpp>
#include <catch.hpp>
#include "Allocators.hpp"
using namespace ArduinoJson::detail;
TEST_CASE("ResourceManager::allocSlot()") {
SECTION("Returns different pointer") {
ResourceManager resources(4096);
VariantSlot* s1 = resources.allocSlot();
REQUIRE(s1 != 0);
VariantSlot* s2 = resources.allocSlot();
REQUIRE(s2 != 0);
REQUIRE(s1 != s2);
}
SECTION("Returns aligned pointers") {
ResourceManager resources(4096);
REQUIRE(isAligned(resources.allocSlot().operator VariantSlot*()));
REQUIRE(isAligned(resources.allocSlot().operator VariantSlot*()));
}
SECTION("Returns zero if capacity is 0") {
ResourceManager resources(0);
auto variant = resources.allocSlot();
REQUIRE(variant.id() == NULL_SLOT);
REQUIRE(static_cast<VariantSlot*>(variant) == nullptr);
}
SECTION("Returns zero if buffer is null") {
ResourceManager resources(4096, FailingAllocator::instance());
auto variant = resources.allocSlot();
REQUIRE(variant.id() == NULL_SLOT);
REQUIRE(static_cast<VariantSlot*>(variant) == nullptr);
}
SECTION("Returns zero if capacity is insufficient") {
ResourceManager resources(sizeof(VariantSlot));
resources.allocSlot();
auto variant = resources.allocSlot();
REQUIRE(variant.id() == NULL_SLOT);
REQUIRE(static_cast<VariantSlot*>(variant) == nullptr);
}
}