arduino/libraries/ArduinoJson/test/MsgPackSerializer/serializeVariant.cpp
2018-11-03 20:21:33 +00:00

135 lines
3.3 KiB
C++

// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2018
// MIT License
#include <ArduinoJson.h>
#include <catch.hpp>
void check(JsonVariant variant, const char* expected_data,
size_t expected_len) {
std::string expected(expected_data, expected_data + expected_len);
std::string actual;
size_t len = serializeMsgPack(variant, actual);
CAPTURE(variant);
REQUIRE(len == expected_len);
REQUIRE(actual == expected);
}
template <size_t N>
void check(JsonVariant variant, const char (&expected_data)[N]) {
const size_t expected_len = N - 1;
check(variant, expected_data, expected_len);
}
void check(JsonVariant variant, const std::string& expected) {
check(variant, expected.data(), expected.length());
}
TEST_CASE("serialize MsgPack value") {
SECTION("undefined") {
check(JsonVariant(), "\xC0"); // we represent undefined as nil
}
SECTION("nil") {
const char* nil = 0; // ArduinoJson uses a string for null
check(nil, "\xC0");
}
SECTION("bool") {
check(false, "\xC2");
check(true, "\xC3");
}
SECTION("positive fixint") {
check(0, "\x00");
check(127, "\x7F");
}
SECTION("uint 8") {
check(128, "\xCC\x80");
check(255, "\xCC\xFF");
}
SECTION("uint 16") {
check(256, "\xCD\x01\x00");
check(0xFFFF, "\xCD\xFF\xFF");
}
SECTION("uint 32") {
check(0x00010000U, "\xCE\x00\x01\x00\x00");
check(0x12345678U, "\xCE\x12\x34\x56\x78");
check(0xFFFFFFFFU, "\xCE\xFF\xFF\xFF\xFF");
}
#if ARDUINOJSON_USE_LONG_LONG || ARDUINOJSON_USE_INT64
SECTION("uint 64") {
check(0x0001000000000000U, "\xCF\x00\x01\x00\x00\x00\x00\x00\x00");
check(0x123456789ABCDEF0U, "\xCF\x12\x34\x56\x78\x9A\xBC\xDE\xF0");
check(0xFFFFFFFFFFFFFFFFU, "\xCF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF");
}
#endif
SECTION("negative fixint") {
check(-1, "\xFF");
check(-32, "\xE0");
}
SECTION("int 8") {
check(-33, "\xD0\xDF");
check(-128, "\xD0\x80");
}
SECTION("int 16") {
check(-129, "\xD1\xFF\x7F");
check(-32768, "\xD1\x80\x00");
}
SECTION("int 32") {
check(-32769, "\xD2\xFF\xFF\x7F\xFF");
check(-2147483647 - 1, "\xD2\x80\x00\x00\x00");
}
#if ARDUINOJSON_USE_LONG_LONG || ARDUINOJSON_USE_INT64
SECTION("int 64") {
check(int64_t(0xFEDCBA9876543210), "\xD3\xFE\xDC\xBA\x98\x76\x54\x32\x10");
}
#endif
SECTION("float 32") {
check(1.25, "\xCA\x3F\xA0\x00\x00");
}
SECTION("float 64") {
check(3.1415, "\xCB\x40\x09\x21\xCA\xC0\x83\x12\x6F");
}
SECTION("fixstr") {
check("", "\xA0");
check("hello world hello world hello !",
"\xBFhello world hello world hello !");
}
SECTION("str 8") {
check("hello world hello world hello !!",
"\xD9\x20hello world hello world hello !!");
}
SECTION("str 16") {
std::string shortest(256, '?');
check(shortest.c_str(), std::string("\xDA\x01\x00", 3) + shortest);
std::string longest(65535, '?');
check(longest.c_str(), std::string("\xDA\xFF\xFF", 3) + longest);
}
SECTION("str 32") {
std::string shortest(65536, '?');
check(shortest.c_str(), std::string("\xDB\x00\x01\x00\x00", 5) + shortest);
}
SECTION("serialized(const char*)") {
check(serialized("\xDA\xFF\xFF"), "\xDA\xFF\xFF");
check(serialized("\xDB\x00\x01\x00\x00", 5), "\xDB\x00\x01\x00\x00");
}
}