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Reference-count shared strings

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This commit is contained in:
Benoit Blanchon
2023-04-17 09:46:41 +02:00
parent b7c8e0d25c
commit 003087406c
9 changed files with 135 additions and 28 deletions
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36
extras/tests/JsonVariant/set.cpp
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@ -7,6 +7,9 @@
#include "Allocators.hpp"
using ArduinoJson::detail::sizeofObject;
using ArduinoJson::detail::sizeofString;
enum ErrorCode { ERROR_01 = 1, ERROR_10 = 10 };
TEST_CASE("JsonVariant::set() when there is enough memory") {
@ -172,3 +175,36 @@ TEST_CASE("JsonVariant::set(JsonDocument)") {
serializeJson(doc2, json);
REQUIRE(json == "{\"hello\":\"world\"}");
}
TEST_CASE("JsonVariant::set() releases the previous value") {
JsonDocument doc(1024);
doc["hello"] = std::string("world");
REQUIRE(doc.memoryUsage() == sizeofObject(1) + sizeofString(5));
JsonVariant v = doc["hello"];
SECTION("int") {
v.set(42);
REQUIRE(doc.memoryUsage() == sizeofObject(1));
}
SECTION("bool") {
v.set(false);
REQUIRE(doc.memoryUsage() == sizeofObject(1));
}
SECTION("const char*") {
v.set("hello");
REQUIRE(doc.memoryUsage() == sizeofObject(1));
}
SECTION("float") {
v.set(1.2);
REQUIRE(doc.memoryUsage() == sizeofObject(1));
}
SECTION("Serialized<const char*>") {
v.set(serialized("[]"));
REQUIRE(doc.memoryUsage() == sizeofObject(1));
}
}