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// ArduinoJson - https://arduinojson.org
// Copyright Benoit Blanchon 2014-2021
// MIT License
#include <ArduinoJson.h>
#include <catch.hpp>
TEST_CASE("deserialize JSON array with a StaticJsonDocument") {
SECTION("BufferOfTheRightSizeForEmptyArray") {
StaticJsonDocument<JSON_ARRAY_SIZE(0)> doc;
char input[] = "[]";
DeserializationError err = deserializeJson(doc, input);
REQUIRE(err == DeserializationError::Ok);
}
SECTION("TooSmallBufferForArrayWithOneValue") {
StaticJsonDocument<JSON_ARRAY_SIZE(0)> doc;
char input[] = "[1]";
DeserializationError err = deserializeJson(doc, input);
REQUIRE(err == DeserializationError::NoMemory);
}
SECTION("BufferOfTheRightSizeForArrayWithOneValue") {
StaticJsonDocument<JSON_ARRAY_SIZE(1)> doc;
char input[] = "[1]";
DeserializationError err = deserializeJson(doc, input);
REQUIRE(err == DeserializationError::Ok);
}
SECTION("TooSmallBufferForArrayWithNestedObject") {
StaticJsonDocument<JSON_ARRAY_SIZE(0) + JSON_OBJECT_SIZE(0)> doc;
char input[] = "[{}]";
DeserializationError err = deserializeJson(doc, input);
REQUIRE(err == DeserializationError::NoMemory);
}
SECTION("BufferOfTheRightSizeForArrayWithNestedObject") {
StaticJsonDocument<JSON_ARRAY_SIZE(1) + JSON_OBJECT_SIZE(0)> doc;
char input[] = "[{}]";
DeserializationError err = deserializeJson(doc, input);
REQUIRE(err == DeserializationError::Ok);
}
SECTION("CopyStringNotSpaces") {
StaticJsonDocument<100> doc;
deserializeJson(doc, " [ \"1234567\" ] ");
REQUIRE(JSON_ARRAY_SIZE(1) + JSON_STRING_SIZE(7) == doc.memoryUsage());
// note: we use a string of 8 bytes to be sure that the StaticMemoryPool
// will not insert bytes to enforce alignement
}
SECTION("Should clear the JsonArray") {
StaticJsonDocument<JSON_ARRAY_SIZE(4)> doc;
char input[] = "[1,2,3,4]";
deserializeJson(doc, input);
deserializeJson(doc, "[]");
JsonArray arr = doc.as<JsonArray>();
REQUIRE(arr.size() == 0);
REQUIRE(doc.memoryUsage() == JSON_ARRAY_SIZE(0));
}
SECTION("Array") {
StaticJsonDocument<JSON_ARRAY_SIZE(2)> doc;
char input[] = "[1,2]";
DeserializationError err = deserializeJson(doc, input);
JsonArray arr = doc.as<JsonArray>();
REQUIRE(err == DeserializationError::Ok);
REQUIRE(doc.is<JsonArray>());
REQUIRE(doc.memoryUsage() == JSON_ARRAY_SIZE(2));
REQUIRE(arr[0] == 1);
REQUIRE(arr[1] == 2);
}
}