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David Gwilliam
2026-02-12 00:45:31 -08:00
commit 5f168f370b
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105
libraries/ArduinoJson/extras/tests/JsonDeserializer/nestingLimit.cpp Normal file
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// ArduinoJson - https://arduinojson.org
// Copyright © 2014-2025, Benoit BLANCHON
// MIT License
#include <ArduinoJson.h>
#include <catch.hpp>
#include <sstream>
#include "Literals.hpp"
#define SHOULD_WORK(expression) REQUIRE(DeserializationError::Ok == expression);
#define SHOULD_FAIL(expression) \
REQUIRE(DeserializationError::TooDeep == expression);
TEST_CASE("JsonDeserializer nesting") {
JsonDocument doc;
SECTION("Input = const char*") {
SECTION("limit = 0") {
DeserializationOption::NestingLimit nesting(0);
SHOULD_WORK(deserializeJson(doc, "\"toto\"", nesting));
SHOULD_WORK(deserializeJson(doc, "123", nesting));
SHOULD_WORK(deserializeJson(doc, "true", nesting));
SHOULD_FAIL(deserializeJson(doc, "[]", nesting));
SHOULD_FAIL(deserializeJson(doc, "{}", nesting));
SHOULD_FAIL(deserializeJson(doc, "[\"toto\"]", nesting));
SHOULD_FAIL(deserializeJson(doc, "{\"toto\":1}", nesting));
}
SECTION("limit = 1") {
DeserializationOption::NestingLimit nesting(1);
SHOULD_WORK(deserializeJson(doc, "[\"toto\"]", nesting));
SHOULD_WORK(deserializeJson(doc, "{\"toto\":1}", nesting));
SHOULD_FAIL(deserializeJson(doc, "{\"toto\":{}}", nesting));
SHOULD_FAIL(deserializeJson(doc, "{\"toto\":[]}", nesting));
SHOULD_FAIL(deserializeJson(doc, "[[\"toto\"]]", nesting));
SHOULD_FAIL(deserializeJson(doc, "[{\"toto\":1}]", nesting));
}
}
SECTION("char* and size_t") {
SECTION("limit = 0") {
DeserializationOption::NestingLimit nesting(0);
SHOULD_WORK(deserializeJson(doc, "\"toto\"", 6, nesting));
SHOULD_WORK(deserializeJson(doc, "123", 3, nesting));
SHOULD_WORK(deserializeJson(doc, "true", 4, nesting));
SHOULD_FAIL(deserializeJson(doc, "[]", 2, nesting));
SHOULD_FAIL(deserializeJson(doc, "{}", 2, nesting));
SHOULD_FAIL(deserializeJson(doc, "[\"toto\"]", 8, nesting));
SHOULD_FAIL(deserializeJson(doc, "{\"toto\":1}", 10, nesting));
}
SECTION("limit = 1") {
DeserializationOption::NestingLimit nesting(1);
SHOULD_WORK(deserializeJson(doc, "[\"toto\"]", 8, nesting));
SHOULD_WORK(deserializeJson(doc, "{\"toto\":1}", 10, nesting));
SHOULD_FAIL(deserializeJson(doc, "{\"toto\":{}}", 11, nesting));
SHOULD_FAIL(deserializeJson(doc, "{\"toto\":[]}", 11, nesting));
SHOULD_FAIL(deserializeJson(doc, "[[\"toto\"]]", 10, nesting));
SHOULD_FAIL(deserializeJson(doc, "[{\"toto\":1}]", 12, nesting));
}
}
SECTION("Input = std::string") {
SECTION("limit = 0") {
DeserializationOption::NestingLimit nesting(0);
SHOULD_WORK(deserializeJson(doc, "\"toto\""_s, nesting));
SHOULD_WORK(deserializeJson(doc, "123"_s, nesting));
SHOULD_WORK(deserializeJson(doc, "true"_s, nesting));
SHOULD_FAIL(deserializeJson(doc, "[]"_s, nesting));
SHOULD_FAIL(deserializeJson(doc, "{}"_s, nesting));
SHOULD_FAIL(deserializeJson(doc, "[\"toto\"]"_s, nesting));
SHOULD_FAIL(deserializeJson(doc, "{\"toto\":1}"_s, nesting));
}
SECTION("limit = 1") {
DeserializationOption::NestingLimit nesting(1);
SHOULD_WORK(deserializeJson(doc, "[\"toto\"]"_s, nesting));
SHOULD_WORK(deserializeJson(doc, "{\"toto\":1}"_s, nesting));
SHOULD_FAIL(deserializeJson(doc, "{\"toto\":{}}"_s, nesting));
SHOULD_FAIL(deserializeJson(doc, "{\"toto\":[]}"_s, nesting));
SHOULD_FAIL(deserializeJson(doc, "[[\"toto\"]]"_s, nesting));
SHOULD_FAIL(deserializeJson(doc, "[{\"toto\":1}]"_s, nesting));
}
}
SECTION("Input = std::istream") {
SECTION("limit = 0") {
DeserializationOption::NestingLimit nesting(0);
std::istringstream good("true");
std::istringstream bad("[]");
SHOULD_WORK(deserializeJson(doc, good, nesting));
SHOULD_FAIL(deserializeJson(doc, bad, nesting));
}
SECTION("limit = 1") {
DeserializationOption::NestingLimit nesting(1);
std::istringstream good("[\"toto\"]");
std::istringstream bad("{\"toto\":{}}");
SHOULD_WORK(deserializeJson(doc, good, nesting));
SHOULD_FAIL(deserializeJson(doc, bad, nesting));
}
}
}