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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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84
extras/tests/JsonVariant/remove.cpp
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@ -6,35 +6,67 @@
#include <stdint.h>
#include <catch.hpp>
TEST_CASE("JsonVariant::remove()") {
using ArduinoJson::detail::sizeofArray;
using ArduinoJson::detail::sizeofString;
TEST_CASE("JsonVariant::remove(int)") {
JsonDocument doc(4096);
SECTION("release top level strings") {
doc.add(std::string("hello"));
doc.add(std::string("hello"));
doc.add(std::string("world"));
JsonVariant var = doc.as<JsonVariant>();
REQUIRE(var.as<std::string>() == "[\"hello\",\"hello\",\"world\"]");
REQUIRE(doc.memoryUsage() == sizeofArray(3) + 2 * sizeofString(5));
var.remove(1);
REQUIRE(var.as<std::string>() == "[\"hello\",\"world\"]");
REQUIRE(doc.memoryUsage() == sizeofArray(3) + 2 * sizeofString(5));
var.remove(1);
REQUIRE(var.as<std::string>() == "[\"hello\"]");
REQUIRE(doc.memoryUsage() == sizeofArray(3) + 1 * sizeofString(5));
var.remove(0);
REQUIRE(var.as<std::string>() == "[]");
REQUIRE(doc.memoryUsage() == sizeofArray(3));
}
SECTION("release strings in nested array") {
doc[0][0] = std::string("hello");
JsonVariant var = doc.as<JsonVariant>();
REQUIRE(var.as<std::string>() == "[[\"hello\"]]");
REQUIRE(doc.memoryUsage() == 2 * sizeofArray(1) + sizeofString(5));
var.remove(0);
REQUIRE(var.as<std::string>() == "[]");
REQUIRE(doc.memoryUsage() == 2 * sizeofArray(1));
}
}
TEST_CASE("JsonVariant::remove(const char *)") {
JsonDocument doc(4096);
JsonVariant var = doc.to<JsonVariant>();
SECTION("remove(int)") {
var.add(1);
var.add(2);
var.add(3);
var["a"] = 1;
var["b"] = 2;
var.remove(1);
var.remove("a");
REQUIRE(var.as<std::string>() == "[1,3]");
}
SECTION("remove(const char *)") {
var["a"] = 1;
var["b"] = 2;
var.remove("a");
REQUIRE(var.as<std::string>() == "{\"b\":2}");
}
SECTION("remove(std::string)") {
var["a"] = 1;
var["b"] = 2;
var.remove(std::string("b"));
REQUIRE(var.as<std::string>() == "{\"a\":1}");
}
REQUIRE(var.as<std::string>() == "{\"b\":2}");
}
TEST_CASE("JsonVariant::remove(std::string)") {
JsonDocument doc(4096);
JsonVariant var = doc.to<JsonVariant>();
var["a"] = 1;
var["b"] = 2;
var.remove(std::string("b"));
REQUIRE(var.as<std::string>() == "{\"a\":1}");
}