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Create more memory pools as needed (resolves #1074)

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Benoit Blanchon
2023-07-17 14:39:57 +02:00
parent 65c67d317a
commit 42b2840009
22 changed files with 396 additions and 312 deletions
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49
extras/tests/JsonDeserializer/object.cpp
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@ -5,6 +5,8 @@
#include <ArduinoJson.h>
#include <catch.hpp>
#include "Allocators.hpp"
using ArduinoJson::detail::sizeofArray;
using ArduinoJson::detail::sizeofObject;
using ArduinoJson::detail::sizeofString;
@ -320,59 +322,56 @@ TEST_CASE("deserialize JSON object") {
}
TEST_CASE("deserialize JSON object under memory constraints") {
SECTION("buffer for the right size for an empty object") {
JsonDocument doc(sizeofObject(0));
TimebombAllocator allocator(1024);
JsonDocument doc(0, &allocator);
SECTION("empty object requires no allocation") {
allocator.setCountdown(0);
char input[] = "{}";
DeserializationError err = deserializeJson(doc, input);
REQUIRE(err == DeserializationError::Ok);
REQUIRE(doc.as<std::string>() == "{}");
}
SECTION("buffer too small for an empty object") {
JsonDocument doc(sizeofObject(0));
SECTION("key allocation fails") {
allocator.setCountdown(0);
char input[] = "{\"a\":1}";
DeserializationError err = deserializeJson(doc, input);
REQUIRE(err == DeserializationError::NoMemory);
REQUIRE(doc.as<std::string>() == "{}");
}
SECTION("buffer of the right size for an object with one member") {
JsonDocument doc(sizeofObject(1));
SECTION("pool list allocation fails") {
allocator.setCountdown(2);
char input[] = "{\"a\":1}";
DeserializationError err = deserializeJson(doc, input);
REQUIRE(err == DeserializationError::Ok);
REQUIRE(err == DeserializationError::NoMemory);
REQUIRE(doc.as<std::string>() == "{}");
}
SECTION("buffer too small for an object with a nested array") {
JsonDocument doc(sizeofObject(0) + sizeofArray(0));
char input[] = "{\"a\":[]}";
SECTION("pool allocation fails") {
allocator.setCountdown(3);
char input[] = "{\"a\":1}";
DeserializationError err = deserializeJson(doc, input);
REQUIRE(err == DeserializationError::NoMemory);
REQUIRE(doc.as<std::string>() == "{}");
}
SECTION("buffer of the right size for an object with a nested array") {
JsonDocument doc(sizeofObject(1) + sizeofArray(0));
char input[] = "{\"a\":[]}";
SECTION("string allocation fails") {
allocator.setCountdown(4);
char input[] = "{\"a\":\"b\"}";
DeserializationError err = deserializeJson(doc, input);
REQUIRE(err == DeserializationError::Ok);
}
SECTION("Should clear the JsonObject") {
JsonDocument doc(sizeofObject(1));
char input[] = "{\"hello\":\"world\"}";
deserializeJson(doc, input);
deserializeJson(doc, "{}");
REQUIRE(doc.as<JsonObject>().size() == 0);
REQUIRE(doc.memoryUsage() == sizeofObject(0));
REQUIRE(err == DeserializationError::NoMemory);
REQUIRE(doc.as<std::string>() == "{\"a\":null}");
}
}