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json/test/src/unit-ubjson.cpp
Niels Lohmann dbb0b63187
♿ improved error messages for binary formats #1288 
This commit is the equivalent of #1282 for CBOR, MessagePack, and UBJSON.
2018-10-17 12:15:58 +02:00

2274 lines
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/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 3.3.0
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.
SPDX-License-Identifier: MIT
Copyright (c) 2013-2018 Niels Lohmann <http://nlohmann.me>.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include "catch.hpp"
#include <nlohmann/json.hpp>
using nlohmann::json;
#include <fstream>
class SaxCountdown
{
public:
explicit SaxCountdown(const int count) : events_left(count)
{}
bool null()
{
return events_left-- > 0;
}
bool boolean(bool)
{
return events_left-- > 0;
}
bool number_integer(json::number_integer_t)
{
return events_left-- > 0;
}
bool number_unsigned(json::number_unsigned_t)
{
return events_left-- > 0;
}
bool number_float(json::number_float_t, const std::string&)
{
return events_left-- > 0;
}
bool string(std::string&)
{
return events_left-- > 0;
}
bool start_object(std::size_t)
{
return events_left-- > 0;
}
bool key(std::string&)
{
return events_left-- > 0;
}
bool end_object()
{
return events_left-- > 0;
}
bool start_array(std::size_t)
{
return events_left-- > 0;
}
bool end_array()
{
return events_left-- > 0;
}
bool parse_error(std::size_t, const std::string&, const json::exception&)
{
return false;
}
private:
int events_left = 0;
};
TEST_CASE("UBJSON")
{
SECTION("individual values")
{
SECTION("discarded")
{
// discarded values are not serialized
json j = json::value_t::discarded;
const auto result = json::to_ubjson(j);
CHECK(result.empty());
}
SECTION("null")
{
json j = nullptr;
std::vector<uint8_t> expected = {'Z'};
const auto result = json::to_ubjson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("boolean")
{
SECTION("true")
{
json j = true;
std::vector<uint8_t> expected = {'T'};
const auto result = json::to_ubjson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("false")
{
json j = false;
std::vector<uint8_t> expected = {'F'};
const auto result = json::to_ubjson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("number")
{
SECTION("signed")
{
SECTION("-9223372036854775808..-2147483649 (int64)")
{
std::vector<int64_t> numbers;
numbers.push_back((std::numeric_limits<int64_t>::min)());
numbers.push_back(-1000000000000000000ll);
numbers.push_back(-100000000000000000ll);
numbers.push_back(-10000000000000000ll);
numbers.push_back(-1000000000000000ll);
numbers.push_back(-100000000000000ll);
numbers.push_back(-10000000000000ll);
numbers.push_back(-1000000000000ll);
numbers.push_back(-100000000000ll);
numbers.push_back(-10000000000ll);
numbers.push_back(-2147483649ll);
for (auto i : numbers)
{
CAPTURE(i);
// create JSON value with integer number
json j = i;
// check type
CHECK(j.is_number_integer());
// create expected byte vector
std::vector<uint8_t> expected;
expected.push_back(static_cast<uint8_t>('L'));
expected.push_back(static_cast<uint8_t>((i >> 56) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 48) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 40) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 32) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 24) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 16) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 8) & 0xff));
expected.push_back(static_cast<uint8_t>(i & 0xff));
// compare result + size
const auto result = json::to_ubjson(j);
CHECK(result == expected);
CHECK(result.size() == 9);
// check individual bytes
CHECK(result[0] == 'L');
int64_t restored = (static_cast<int64_t>(result[1]) << 070) +
(static_cast<int64_t>(result[2]) << 060) +
(static_cast<int64_t>(result[3]) << 050) +
(static_cast<int64_t>(result[4]) << 040) +
(static_cast<int64_t>(result[5]) << 030) +
(static_cast<int64_t>(result[6]) << 020) +
(static_cast<int64_t>(result[7]) << 010) +
static_cast<int64_t>(result[8]);
CHECK(restored == i);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("-2147483648..-32769 (int32)")
{
std::vector<int32_t> numbers;
numbers.push_back(-32769);
numbers.push_back(-100000);
numbers.push_back(-1000000);
numbers.push_back(-10000000);
numbers.push_back(-100000000);
numbers.push_back(-1000000000);
numbers.push_back(-2147483647 - 1); // https://stackoverflow.com/a/29356002/266378
for (auto i : numbers)
{
CAPTURE(i);
// create JSON value with integer number
json j = i;
// check type
CHECK(j.is_number_integer());
// create expected byte vector
std::vector<uint8_t> expected;
expected.push_back(static_cast<uint8_t>('l'));
expected.push_back(static_cast<uint8_t>((i >> 24) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 16) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 8) & 0xff));
expected.push_back(static_cast<uint8_t>(i & 0xff));
// compare result + size
const auto result = json::to_ubjson(j);
CHECK(result == expected);
CHECK(result.size() == 5);
// check individual bytes
CHECK(result[0] == 'l');
int32_t restored = (static_cast<int32_t>(result[1]) << 030) +
(static_cast<int32_t>(result[2]) << 020) +
(static_cast<int32_t>(result[3]) << 010) +
static_cast<int32_t>(result[4]);
CHECK(restored == i);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("-32768..-129 (int16)")
{
for (int32_t i = -32768; i <= -129; ++i)
{
CAPTURE(i);
// create JSON value with integer number
json j = i;
// check type
CHECK(j.is_number_integer());
// create expected byte vector
std::vector<uint8_t> expected;
expected.push_back(static_cast<uint8_t>('I'));
expected.push_back(static_cast<uint8_t>((i >> 8) & 0xff));
expected.push_back(static_cast<uint8_t>(i & 0xff));
// compare result + size
const auto result = json::to_ubjson(j);
CHECK(result == expected);
CHECK(result.size() == 3);
// check individual bytes
CHECK(result[0] == 'I');
int16_t restored = static_cast<int16_t>(((result[1] << 8) + result[2]));
CHECK(restored == i);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("-9263 (int16)")
{
json j = -9263;
std::vector<uint8_t> expected = {'I', 0xdb, 0xd1};
// compare result + size
const auto result = json::to_ubjson(j);
CHECK(result == expected);
CHECK(result.size() == 3);
// check individual bytes
CHECK(result[0] == 'I');
int16_t restored = static_cast<int16_t>(((result[1] << 8) + result[2]));
CHECK(restored == -9263);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("-128..-1 (int8)")
{
for (auto i = -128; i <= -1; ++i)
{
CAPTURE(i);
// create JSON value with integer number
json j = i;
// check type
CHECK(j.is_number_integer());
// create expected byte vector
std::vector<uint8_t> expected;
expected.push_back('i');
expected.push_back(static_cast<uint8_t>(i));
// compare result + size
const auto result = json::to_ubjson(j);
CHECK(result == expected);
CHECK(result.size() == 2);
// check individual bytes
CHECK(result[0] == 'i');
CHECK(static_cast<int8_t>(result[1]) == i);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("0..127 (int8)")
{
for (size_t i = 0; i <= 127; ++i)
{
CAPTURE(i);
// create JSON value with integer number
json j = -1;
j.get_ref<json::number_integer_t&>() = static_cast<json::number_integer_t>(i);
// check type
CHECK(j.is_number_integer());
// create expected byte vector
std::vector<uint8_t> expected;
expected.push_back(static_cast<uint8_t>('i'));
expected.push_back(static_cast<uint8_t>(i));
// compare result + size
const auto result = json::to_ubjson(j);
CHECK(result == expected);
CHECK(result.size() == 2);
// check individual bytes
CHECK(result[0] == 'i');
CHECK(result[1] == i);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("128..255 (uint8)")
{
for (size_t i = 128; i <= 255; ++i)
{
CAPTURE(i);
// create JSON value with integer number
json j = -1;
j.get_ref<json::number_integer_t&>() = static_cast<json::number_integer_t>(i);
// check type
CHECK(j.is_number_integer());
// create expected byte vector
std::vector<uint8_t> expected;
expected.push_back(static_cast<uint8_t>('U'));
expected.push_back(static_cast<uint8_t>(i));
// compare result + size
const auto result = json::to_ubjson(j);
CHECK(result == expected);
CHECK(result.size() == 2);
// check individual bytes
CHECK(result[0] == 'U');
CHECK(result[1] == i);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("256..32767 (int16)")
{
for (size_t i = 256; i <= 32767; ++i)
{
CAPTURE(i);
// create JSON value with integer number
json j = -1;
j.get_ref<json::number_integer_t&>() = static_cast<json::number_integer_t>(i);
// check type
CHECK(j.is_number_integer());
// create expected byte vector
std::vector<uint8_t> expected;
expected.push_back(static_cast<uint8_t>('I'));
expected.push_back(static_cast<uint8_t>((i >> 8) & 0xff));
expected.push_back(static_cast<uint8_t>(i & 0xff));
// compare result + size
const auto result = json::to_ubjson(j);
CHECK(result == expected);
CHECK(result.size() == 3);
// check individual bytes
CHECK(result[0] == 'I');
uint16_t restored = static_cast<uint16_t>(static_cast<uint8_t>(result[1]) * 256 + static_cast<uint8_t>(result[2]));
CHECK(restored == i);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("65536..2147483647 (int32)")
{
for (uint32_t i :
{
65536u, 77777u, 1048576u
})
{
CAPTURE(i);
// create JSON value with integer number
json j = -1;
j.get_ref<json::number_integer_t&>() = static_cast<json::number_integer_t>(i);
// check type
CHECK(j.is_number_integer());
// create expected byte vector
std::vector<uint8_t> expected;
expected.push_back('l');
expected.push_back(static_cast<uint8_t>((i >> 24) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 16) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 8) & 0xff));
expected.push_back(static_cast<uint8_t>(i & 0xff));
// compare result + size
const auto result = json::to_ubjson(j);
CHECK(result == expected);
CHECK(result.size() == 5);
// check individual bytes
CHECK(result[0] == 'l');
uint32_t restored = (static_cast<uint32_t>(result[1]) << 030) +
(static_cast<uint32_t>(result[2]) << 020) +
(static_cast<uint32_t>(result[3]) << 010) +
static_cast<uint32_t>(result[4]);
CHECK(restored == i);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("2147483648..9223372036854775807 (int64)")
{
std::vector<uint64_t> v = {2147483648ul, 9223372036854775807ul};
for (uint64_t i : v)
{
CAPTURE(i);
// create JSON value with integer number
json j = -1;
j.get_ref<json::number_integer_t&>() = static_cast<json::number_integer_t>(i);
// check type
CHECK(j.is_number_integer());
// create expected byte vector
std::vector<uint8_t> expected;
expected.push_back('L');
expected.push_back(static_cast<uint8_t>((i >> 070) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 060) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 050) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 040) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 030) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 020) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 010) & 0xff));
expected.push_back(static_cast<uint8_t>(i & 0xff));
// compare result + size
const auto result = json::to_ubjson(j);
CHECK(result == expected);
CHECK(result.size() == 9);
// check individual bytes
CHECK(result[0] == 'L');
uint64_t restored = (static_cast<uint64_t>(result[1]) << 070) +
(static_cast<uint64_t>(result[2]) << 060) +
(static_cast<uint64_t>(result[3]) << 050) +
(static_cast<uint64_t>(result[4]) << 040) +
(static_cast<uint64_t>(result[5]) << 030) +
(static_cast<uint64_t>(result[6]) << 020) +
(static_cast<uint64_t>(result[7]) << 010) +
static_cast<uint64_t>(result[8]);
CHECK(restored == i);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
}
SECTION("unsigned")
{
SECTION("0..127 (int8)")
{
for (size_t i = 0; i <= 127; ++i)
{
CAPTURE(i);
// create JSON value with unsigned integer number
json j = i;
// check type
CHECK(j.is_number_unsigned());
// create expected byte vector
std::vector<uint8_t> expected;
expected.push_back('i');
expected.push_back(static_cast<uint8_t>(i));
// compare result + size
const auto result = json::to_ubjson(j);
CHECK(result == expected);
CHECK(result.size() == 2);
// check individual bytes
CHECK(result[0] == 'i');
uint8_t restored = static_cast<uint8_t>(result[1]);
CHECK(restored == i);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("128..255 (uint8)")
{
for (size_t i = 128; i <= 255; ++i)
{
CAPTURE(i);
// create JSON value with unsigned integer number
json j = i;
// check type
CHECK(j.is_number_unsigned());
// create expected byte vector
std::vector<uint8_t> expected;
expected.push_back('U');
expected.push_back(static_cast<uint8_t>(i));
// compare result + size
const auto result = json::to_ubjson(j);
CHECK(result == expected);
CHECK(result.size() == 2);
// check individual bytes
CHECK(result[0] == 'U');
uint8_t restored = static_cast<uint8_t>(result[1]);
CHECK(restored == i);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("256..32767 (int16)")
{
for (size_t i = 256; i <= 32767; ++i)
{
CAPTURE(i);
// create JSON value with unsigned integer number
json j = i;
// check type
CHECK(j.is_number_unsigned());
// create expected byte vector
std::vector<uint8_t> expected;
expected.push_back('I');
expected.push_back(static_cast<uint8_t>((i >> 8) & 0xff));
expected.push_back(static_cast<uint8_t>(i & 0xff));
// compare result + size
const auto result = json::to_ubjson(j);
CHECK(result == expected);
CHECK(result.size() == 3);
// check individual bytes
CHECK(result[0] == 'I');
uint16_t restored = static_cast<uint16_t>(static_cast<uint8_t>(result[1]) * 256 + static_cast<uint8_t>(result[2]));
CHECK(restored == i);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("65536..2147483647 (int32)")
{
for (uint32_t i :
{
65536u, 77777u, 1048576u
})
{
CAPTURE(i);
// create JSON value with unsigned integer number
json j = i;
// check type
CHECK(j.is_number_unsigned());
// create expected byte vector
std::vector<uint8_t> expected;
expected.push_back('l');
expected.push_back(static_cast<uint8_t>((i >> 24) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 16) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 8) & 0xff));
expected.push_back(static_cast<uint8_t>(i & 0xff));
// compare result + size
const auto result = json::to_ubjson(j);
CHECK(result == expected);
CHECK(result.size() == 5);
// check individual bytes
CHECK(result[0] == 'l');
uint32_t restored = (static_cast<uint32_t>(result[1]) << 030) +
(static_cast<uint32_t>(result[2]) << 020) +
(static_cast<uint32_t>(result[3]) << 010) +
static_cast<uint32_t>(result[4]);
CHECK(restored == i);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("2147483648..9223372036854775807 (int64)")
{
std::vector<uint64_t> v = {2147483648ul, 9223372036854775807ul};
for (uint64_t i : v)
{
CAPTURE(i);
// create JSON value with integer number
json j = i;
// check type
CHECK(j.is_number_unsigned());
// create expected byte vector
std::vector<uint8_t> expected;
expected.push_back('L');
expected.push_back(static_cast<uint8_t>((i >> 070) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 060) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 050) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 040) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 030) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 020) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 010) & 0xff));
expected.push_back(static_cast<uint8_t>(i & 0xff));
// compare result + size
const auto result = json::to_ubjson(j);
CHECK(result == expected);
CHECK(result.size() == 9);
// check individual bytes
CHECK(result[0] == 'L');
uint64_t restored = (static_cast<uint64_t>(result[1]) << 070) +
(static_cast<uint64_t>(result[2]) << 060) +
(static_cast<uint64_t>(result[3]) << 050) +
(static_cast<uint64_t>(result[4]) << 040) +
(static_cast<uint64_t>(result[5]) << 030) +
(static_cast<uint64_t>(result[6]) << 020) +
(static_cast<uint64_t>(result[7]) << 010) +
static_cast<uint64_t>(result[8]);
CHECK(restored == i);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
}
SECTION("float64")
{
SECTION("3.1415925")
{
double v = 3.1415925;
json j = v;
std::vector<uint8_t> expected =
{
'D', 0x40, 0x09, 0x21, 0xfb, 0x3f, 0xa6, 0xde, 0xfc
};
const auto result = json::to_ubjson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result) == v);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
}
SECTION("string")
{
SECTION("N = 0..127")
{
for (size_t N = 0; N <= 127; ++N)
{
CAPTURE(N);
// create JSON value with string containing of N * 'x'
const auto s = std::string(N, 'x');
json j = s;
// create expected byte vector
std::vector<uint8_t> expected;
expected.push_back('S');
expected.push_back('i');
expected.push_back(static_cast<uint8_t>(N));
for (size_t i = 0; i < N; ++i)
{
expected.push_back('x');
}
// compare result + size
const auto result = json::to_ubjson(j);
CHECK(result == expected);
CHECK(result.size() == N + 3);
// check that no null byte is appended
if (N > 0)
{
CHECK(result.back() != '\x00');
}
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("N = 128..255")
{
for (size_t N = 128; N <= 255; ++N)
{
CAPTURE(N);
// create JSON value with string containing of N * 'x'
const auto s = std::string(N, 'x');
json j = s;
// create expected byte vector
std::vector<uint8_t> expected;
expected.push_back('S');
expected.push_back('U');
expected.push_back(static_cast<uint8_t>(N));
for (size_t i = 0; i < N; ++i)
{
expected.push_back('x');
}
// compare result + size
const auto result = json::to_ubjson(j);
CHECK(result == expected);
CHECK(result.size() == N + 3);
// check that no null byte is appended
CHECK(result.back() != '\x00');
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("N = 256..32767")
{
for (size_t N :
{
256u, 999u, 1025u, 3333u, 2048u, 32767u
})
{
CAPTURE(N);
// create JSON value with string containing of N * 'x'
const auto s = std::string(N, 'x');
json j = s;
// create expected byte vector (hack: create string first)
std::vector<uint8_t> expected(N, 'x');
// reverse order of commands, because we insert at begin()
expected.insert(expected.begin(), static_cast<uint8_t>(N & 0xff));
expected.insert(expected.begin(), static_cast<uint8_t>((N >> 8) & 0xff));
expected.insert(expected.begin(), 'I');
expected.insert(expected.begin(), 'S');
// compare result + size
const auto result = json::to_ubjson(j);
CHECK(result == expected);
CHECK(result.size() == N + 4);
// check that no null byte is appended
CHECK(result.back() != '\x00');
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("N = 65536..2147483647")
{
for (size_t N :
{
65536u, 77777u, 1048576u
})
{
CAPTURE(N);
// create JSON value with string containing of N * 'x'
const auto s = std::string(N, 'x');
json j = s;
// create expected byte vector (hack: create string first)
std::vector<uint8_t> expected(N, 'x');
// reverse order of commands, because we insert at begin()
expected.insert(expected.begin(), static_cast<uint8_t>(N & 0xff));
expected.insert(expected.begin(), static_cast<uint8_t>((N >> 8) & 0xff));
expected.insert(expected.begin(), static_cast<uint8_t>((N >> 16) & 0xff));
expected.insert(expected.begin(), static_cast<uint8_t>((N >> 24) & 0xff));
expected.insert(expected.begin(), 'l');
expected.insert(expected.begin(), 'S');
// compare result + size
const auto result = json::to_ubjson(j);
CHECK(result == expected);
CHECK(result.size() == N + 6);
// check that no null byte is appended
CHECK(result.back() != '\x00');
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
}
SECTION("array")
{
SECTION("empty")
{
SECTION("size=false type=false")
{
json j = json::array();
std::vector<uint8_t> expected = {'[', ']'};
const auto result = json::to_ubjson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("size=true type=false")
{
json j = json::array();
std::vector<uint8_t> expected = {'[', '#', 'i', 0};
const auto result = json::to_ubjson(j, true);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("size=true type=true")
{
json j = json::array();
std::vector<uint8_t> expected = {'[', '#', 'i', 0};
const auto result = json::to_ubjson(j, true, true);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("[null]")
{
SECTION("size=false type=false")
{
json j = {nullptr};
std::vector<uint8_t> expected = {'[', 'Z', ']'};
const auto result = json::to_ubjson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("size=true type=false")
{
json j = {nullptr};
std::vector<uint8_t> expected = {'[', '#', 'i', 1, 'Z'};
const auto result = json::to_ubjson(j, true);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("size=true type=true")
{
json j = {nullptr};
std::vector<uint8_t> expected = {'[', '$', 'Z', '#', 'i', 1};
const auto result = json::to_ubjson(j, true, true);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("[1,2,3,4,5]")
{
SECTION("size=false type=false")
{
json j = json::parse("[1,2,3,4,5]");
std::vector<uint8_t> expected = {'[', 'i', 1, 'i', 2, 'i', 3, 'i', 4, 'i', 5, ']'};
const auto result = json::to_ubjson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("size=true type=false")
{
json j = json::parse("[1,2,3,4,5]");
std::vector<uint8_t> expected = {'[', '#', 'i', 5, 'i', 1, 'i', 2, 'i', 3, 'i', 4, 'i', 5};
const auto result = json::to_ubjson(j, true);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("size=true type=true")
{
json j = json::parse("[1,2,3,4,5]");
std::vector<uint8_t> expected = {'[', '$', 'i', '#', 'i', 5, 1, 2, 3, 4, 5};
const auto result = json::to_ubjson(j, true, true);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("[[[[]]]]")
{
SECTION("size=false type=false")
{
json j = json::parse("[[[[]]]]");
std::vector<uint8_t> expected = {'[', '[', '[', '[', ']', ']', ']', ']'};
const auto result = json::to_ubjson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("size=true type=false")
{
json j = json::parse("[[[[]]]]");
std::vector<uint8_t> expected = {'[', '#', 'i', 1, '[', '#', 'i', 1, '[', '#', 'i', 1, '[', '#', 'i', 0};
const auto result = json::to_ubjson(j, true);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("size=true type=true")
{
json j = json::parse("[[[[]]]]");
std::vector<uint8_t> expected = {'[', '$', '[', '#', 'i', 1, '$', '[', '#', 'i', 1, '$', '[', '#', 'i', 1, '#', 'i', 0};
const auto result = json::to_ubjson(j, true, true);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("array with uint16_t elements")
{
SECTION("size=false type=false")
{
json j(257, nullptr);
std::vector<uint8_t> expected(j.size() + 2, 'Z'); // all null
expected[0] = '['; // opening array
expected[258] = ']'; // closing array
const auto result = json::to_ubjson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("size=true type=false")
{
json j(257, nullptr);
std::vector<uint8_t> expected(j.size() + 5, 'Z'); // all null
expected[0] = '['; // opening array
expected[1] = '#'; // array size
expected[2] = 'I'; // int16
expected[3] = 0x01; // 0x0101, first byte
expected[4] = 0x01; // 0x0101, second byte
const auto result = json::to_ubjson(j, true);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("size=true type=true")
{
json j(257, nullptr);
std::vector<uint8_t> expected = {'[', '$', 'Z', '#', 'I', 0x01, 0x01};
const auto result = json::to_ubjson(j, true, true);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("array with uint32_t elements")
{
SECTION("size=false type=false")
{
json j(65793, nullptr);
std::vector<uint8_t> expected(j.size() + 2, 'Z'); // all null
expected[0] = '['; // opening array
expected[65794] = ']'; // closing array
const auto result = json::to_ubjson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("size=true type=false")
{
json j(65793, nullptr);
std::vector<uint8_t> expected(j.size() + 7, 'Z'); // all null
expected[0] = '['; // opening array
expected[1] = '#'; // array size
expected[2] = 'l'; // int32
expected[3] = 0x00; // 0x00010101, first byte
expected[4] = 0x01; // 0x00010101, second byte
expected[5] = 0x01; // 0x00010101, third byte
expected[6] = 0x01; // 0x00010101, fourth byte
const auto result = json::to_ubjson(j, true);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("size=true type=true")
{
json j(65793, nullptr);
std::vector<uint8_t> expected = {'[', '$', 'Z', '#', 'l', 0x00, 0x01, 0x01, 0x01};
const auto result = json::to_ubjson(j, true, true);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
}
SECTION("object")
{
SECTION("empty")
{
SECTION("size=false type=false")
{
json j = json::object();
std::vector<uint8_t> expected = {'{', '}'};
const auto result = json::to_ubjson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("size=true type=false")
{
json j = json::object();
std::vector<uint8_t> expected = {'{', '#', 'i', 0};
const auto result = json::to_ubjson(j, true);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("size=true type=true")
{
json j = json::object();
std::vector<uint8_t> expected = {'{', '#', 'i', 0};
const auto result = json::to_ubjson(j, true, true);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("{\"\":null}")
{
SECTION("size=false type=false")
{
json j = {{"", nullptr}};
std::vector<uint8_t> expected = {'{', 'i', 0, 'Z', '}'};
const auto result = json::to_ubjson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("size=true type=false")
{
json j = {{"", nullptr}};
std::vector<uint8_t> expected = {'{', '#', 'i', 1, 'i', 0, 'Z'};
const auto result = json::to_ubjson(j, true);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("size=true type=true")
{
json j = {{"", nullptr}};
std::vector<uint8_t> expected = {'{', '$', 'Z', '#', 'i', 1, 'i', 0};
const auto result = json::to_ubjson(j, true, true);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
SECTION("{\"a\": {\"b\": {\"c\": {}}}}")
{
SECTION("size=false type=false")
{
json j = json::parse("{\"a\": {\"b\": {\"c\": {}}}}");
std::vector<uint8_t> expected =
{
'{', 'i', 1, 'a', '{', 'i', 1, 'b', '{', 'i', 1, 'c', '{', '}', '}', '}', '}'
};
const auto result = json::to_ubjson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("size=true type=false")
{
json j = json::parse("{\"a\": {\"b\": {\"c\": {}}}}");
std::vector<uint8_t> expected =
{
'{', '#', 'i', 1, 'i', 1, 'a', '{', '#', 'i', 1, 'i', 1, 'b', '{', '#', 'i', 1, 'i', 1, 'c', '{', '#', 'i', 0
};
const auto result = json::to_ubjson(j, true);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
SECTION("size=true type=true")
{
json j = json::parse("{\"a\": {\"b\": {\"c\": {}}}}");
std::vector<uint8_t> expected =
{
'{', '$', '{', '#', 'i', 1, 'i', 1, 'a', '$', '{', '#', 'i', 1, 'i', 1, 'b', '$', '{', '#', 'i', 1, 'i', 1, 'c', '#', 'i', 0
};
const auto result = json::to_ubjson(j, true, true);
CHECK(result == expected);
// roundtrip
CHECK(json::from_ubjson(result) == j);
CHECK(json::from_ubjson(result, true, false) == j);
}
}
}
}
SECTION("errors")
{
SECTION("strict mode")
{
std::vector<uint8_t> vec = {'Z', 'Z'};
SECTION("non-strict mode")
{
const auto result = json::from_ubjson(vec, false);
CHECK(result == json());
}
SECTION("strict mode")
{
CHECK_THROWS_AS(json::from_ubjson(vec), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(vec),
"[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing UBJSON value: expected end of input; last byte: 0x5A");
}
}
SECTION("number out of range")
{
// larger than max int64
json j = 9223372036854775808llu;
CHECK_THROWS_AS(json::to_ubjson(j), json::out_of_range&);
CHECK_THROWS_WITH(json::to_ubjson(j), "[json.exception.out_of_range.407] integer number 9223372036854775808 cannot be represented by UBJSON as it does not fit int64");
}
SECTION("excessive size")
{
SECTION("array")
{
std::vector<uint8_t> v_ubjson = {'[', '$', 'Z', '#', 'L', 0x78, 0x28, 0x00, 0x68, 0x28, 0x69, 0x69, 0x17};
CHECK_THROWS_AS(json::from_ubjson(v_ubjson), json::out_of_range&);
json j;
nlohmann::detail::json_sax_dom_callback_parser<json> scp(j, [](int, json::parse_event_t, const json&)
{
return true;
});
CHECK_THROWS_AS(json::sax_parse(v_ubjson, &scp, json::input_format_t::ubjson), json::out_of_range&);
}
SECTION("object")
{
std::vector<uint8_t> v_ubjson = {'{', '$', 'Z', '#', 'L', 0x78, 0x28, 0x00, 0x68, 0x28, 0x69, 0x69, 0x17};
CHECK_THROWS_AS(json::from_ubjson(v_ubjson), json::out_of_range&);
json j;
nlohmann::detail::json_sax_dom_callback_parser<json> scp(j, [](int, json::parse_event_t, const json&)
{
return true;
});
CHECK_THROWS_AS(json::sax_parse(v_ubjson, &scp, json::input_format_t::ubjson), json::out_of_range&);
}
}
}
SECTION("SAX aborts")
{
SECTION("start_array()")
{
std::vector<uint8_t> v = {'[', 'T', 'F', ']'};
SaxCountdown scp(0);
CHECK(not json::sax_parse(v, &scp, json::input_format_t::ubjson));
}
SECTION("start_object()")
{
std::vector<uint8_t> v = {'{', 'i', 3, 'f', 'o', 'o', 'F', '}'};
SaxCountdown scp(0);
CHECK(not json::sax_parse(v, &scp, json::input_format_t::ubjson));
}
SECTION("key() in object")
{
std::vector<uint8_t> v = {'{', 'i', 3, 'f', 'o', 'o', 'F', '}'};
SaxCountdown scp(1);
CHECK(not json::sax_parse(v, &scp, json::input_format_t::ubjson));
}
SECTION("start_array(len)")
{
std::vector<uint8_t> v = {'[', '#', 'i', '2', 'T', 'F'};
SaxCountdown scp(0);
CHECK(not json::sax_parse(v, &scp, json::input_format_t::ubjson));
}
SECTION("start_object(len)")
{
std::vector<uint8_t> v = {'{', '#', 'i', '1', 3, 'f', 'o', 'o', 'F'};
SaxCountdown scp(0);
CHECK(not json::sax_parse(v, &scp, json::input_format_t::ubjson));
}
SECTION("key() in object with length")
{
std::vector<uint8_t> v = {'{', 'i', 3, 'f', 'o', 'o', 'F', '}'};
SaxCountdown scp(1);
CHECK(not json::sax_parse(v, &scp, json::input_format_t::ubjson));
}
}
SECTION("parsing values")
{
SECTION("strings")
{
// create a single-character string for all number types
std::vector<uint8_t> s_i = {'S', 'i', 1, 'a'};
std::vector<uint8_t> s_U = {'S', 'U', 1, 'a'};
std::vector<uint8_t> s_I = {'S', 'I', 0, 1, 'a'};
std::vector<uint8_t> s_l = {'S', 'l', 0, 0, 0, 1, 'a'};
std::vector<uint8_t> s_L = {'S', 'L', 0, 0, 0, 0, 0, 0, 0, 1, 'a'};
// check if string is parsed correctly to "a"
CHECK(json::from_ubjson(s_i) == "a");
CHECK(json::from_ubjson(s_U) == "a");
CHECK(json::from_ubjson(s_I) == "a");
CHECK(json::from_ubjson(s_l) == "a");
CHECK(json::from_ubjson(s_L) == "a");
// roundtrip: output should be optimized
CHECK(json::to_ubjson(json::from_ubjson(s_i)) == s_i);
CHECK(json::to_ubjson(json::from_ubjson(s_U)) == s_i);
CHECK(json::to_ubjson(json::from_ubjson(s_I)) == s_i);
CHECK(json::to_ubjson(json::from_ubjson(s_l)) == s_i);
CHECK(json::to_ubjson(json::from_ubjson(s_L)) == s_i);
}
SECTION("number")
{
SECTION("float")
{
// float32
std::vector<uint8_t> v_d = {'d', 0x40, 0x49, 0x0f, 0xd0};
CHECK(json::from_ubjson(v_d) == 3.14159f);
// float64
std::vector<uint8_t> v_D = {'D', 0x40, 0x09, 0x21, 0xf9, 0xf0, 0x1b, 0x86, 0x6e};
CHECK(json::from_ubjson(v_D) == 3.14159);
// float32 is serialized as float64 as the library does not support float32
CHECK(json::to_ubjson(json::from_ubjson(v_d)) == json::to_ubjson(3.14159f));
}
}
SECTION("array")
{
SECTION("optimized version (length only)")
{
// create vector with two elements of the same type
std::vector<uint8_t> v_TU = {'[', '#', 'U', 2, 'T', 'T'};
std::vector<uint8_t> v_T = {'[', '#', 'i', 2, 'T', 'T'};
std::vector<uint8_t> v_F = {'[', '#', 'i', 2, 'F', 'F'};
std::vector<uint8_t> v_Z = {'[', '#', 'i', 2, 'Z', 'Z'};
std::vector<uint8_t> v_i = {'[', '#', 'i', 2, 'i', 0x7F, 'i', 0x7F};
std::vector<uint8_t> v_U = {'[', '#', 'i', 2, 'U', 0xFF, 'U', 0xFF};
std::vector<uint8_t> v_I = {'[', '#', 'i', 2, 'I', 0x7F, 0xFF, 'I', 0x7F, 0xFF};
std::vector<uint8_t> v_l = {'[', '#', 'i', 2, 'l', 0x7F, 0xFF, 0xFF, 0xFF, 'l', 0x7F, 0xFF, 0xFF, 0xFF};
std::vector<uint8_t> v_L = {'[', '#', 'i', 2, 'L', 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 'L', 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
std::vector<uint8_t> v_D = {'[', '#', 'i', 2, 'D', 0x40, 0x09, 0x21, 0xfb, 0x4d, 0x12, 0xd8, 0x4a, 'D', 0x40, 0x09, 0x21, 0xfb, 0x4d, 0x12, 0xd8, 0x4a};
std::vector<uint8_t> v_S = {'[', '#', 'i', 2, 'S', 'i', 1, 'a', 'S', 'i', 1, 'a'};
std::vector<uint8_t> v_C = {'[', '#', 'i', 2, 'C', 'a', 'C', 'a'};
// check if vector is parsed correctly
CHECK(json::from_ubjson(v_TU) == json({true, true}));
CHECK(json::from_ubjson(v_T) == json({true, true}));
CHECK(json::from_ubjson(v_F) == json({false, false}));
CHECK(json::from_ubjson(v_Z) == json({nullptr, nullptr}));
CHECK(json::from_ubjson(v_i) == json({127, 127}));
CHECK(json::from_ubjson(v_U) == json({255, 255}));
CHECK(json::from_ubjson(v_I) == json({32767, 32767}));
CHECK(json::from_ubjson(v_l) == json({2147483647, 2147483647}));
CHECK(json::from_ubjson(v_L) == json({9223372036854775807, 9223372036854775807}));
CHECK(json::from_ubjson(v_D) == json({3.1415926, 3.1415926}));
CHECK(json::from_ubjson(v_S) == json({"a", "a"}));
CHECK(json::from_ubjson(v_C) == json({"a", "a"}));
// roundtrip: output should be optimized
CHECK(json::to_ubjson(json::from_ubjson(v_T), true) == v_T);
CHECK(json::to_ubjson(json::from_ubjson(v_F), true) == v_F);
CHECK(json::to_ubjson(json::from_ubjson(v_Z), true) == v_Z);
CHECK(json::to_ubjson(json::from_ubjson(v_i), true) == v_i);
CHECK(json::to_ubjson(json::from_ubjson(v_U), true) == v_U);
CHECK(json::to_ubjson(json::from_ubjson(v_I), true) == v_I);
CHECK(json::to_ubjson(json::from_ubjson(v_l), true) == v_l);
CHECK(json::to_ubjson(json::from_ubjson(v_L), true) == v_L);
CHECK(json::to_ubjson(json::from_ubjson(v_D), true) == v_D);
CHECK(json::to_ubjson(json::from_ubjson(v_S), true) == v_S);
CHECK(json::to_ubjson(json::from_ubjson(v_C), true) == v_S); // char is serialized to string
}
SECTION("optimized version (type and length)")
{
// create vector with two elements of the same type
std::vector<uint8_t> v_N = {'[', '$', 'N', '#', 'i', 2};
std::vector<uint8_t> v_T = {'[', '$', 'T', '#', 'i', 2};
std::vector<uint8_t> v_F = {'[', '$', 'F', '#', 'i', 2};
std::vector<uint8_t> v_Z = {'[', '$', 'Z', '#', 'i', 2};
std::vector<uint8_t> v_i = {'[', '$', 'i', '#', 'i', 2, 0x7F, 0x7F};
std::vector<uint8_t> v_U = {'[', '$', 'U', '#', 'i', 2, 0xFF, 0xFF};
std::vector<uint8_t> v_I = {'[', '$', 'I', '#', 'i', 2, 0x7F, 0xFF, 0x7F, 0xFF};
std::vector<uint8_t> v_l = {'[', '$', 'l', '#', 'i', 2, 0x7F, 0xFF, 0xFF, 0xFF, 0x7F, 0xFF, 0xFF, 0xFF};
std::vector<uint8_t> v_L = {'[', '$', 'L', '#', 'i', 2, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
std::vector<uint8_t> v_D = {'[', '$', 'D', '#', 'i', 2, 0x40, 0x09, 0x21, 0xfb, 0x4d, 0x12, 0xd8, 0x4a, 0x40, 0x09, 0x21, 0xfb, 0x4d, 0x12, 0xd8, 0x4a};
std::vector<uint8_t> v_S = {'[', '$', 'S', '#', 'i', 2, 'i', 1, 'a', 'i', 1, 'a'};
std::vector<uint8_t> v_C = {'[', '$', 'C', '#', 'i', 2, 'a', 'a'};
// check if vector is parsed correctly
CHECK(json::from_ubjson(v_N) == json::array());
CHECK(json::from_ubjson(v_T) == json({true, true}));
CHECK(json::from_ubjson(v_F) == json({false, false}));
CHECK(json::from_ubjson(v_Z) == json({nullptr, nullptr}));
CHECK(json::from_ubjson(v_i) == json({127, 127}));
CHECK(json::from_ubjson(v_U) == json({255, 255}));
CHECK(json::from_ubjson(v_I) == json({32767, 32767}));
CHECK(json::from_ubjson(v_l) == json({2147483647, 2147483647}));
CHECK(json::from_ubjson(v_L) == json({9223372036854775807, 9223372036854775807}));
CHECK(json::from_ubjson(v_D) == json({3.1415926, 3.1415926}));
CHECK(json::from_ubjson(v_S) == json({"a", "a"}));
CHECK(json::from_ubjson(v_C) == json({"a", "a"}));
// roundtrip: output should be optimized
std::vector<uint8_t> v_empty = {'[', '#', 'i', 0};
CHECK(json::to_ubjson(json::from_ubjson(v_N), true, true) == v_empty);
CHECK(json::to_ubjson(json::from_ubjson(v_T), true, true) == v_T);
CHECK(json::to_ubjson(json::from_ubjson(v_F), true, true) == v_F);
CHECK(json::to_ubjson(json::from_ubjson(v_Z), true, true) == v_Z);
CHECK(json::to_ubjson(json::from_ubjson(v_i), true, true) == v_i);
CHECK(json::to_ubjson(json::from_ubjson(v_U), true, true) == v_U);
CHECK(json::to_ubjson(json::from_ubjson(v_I), true, true) == v_I);
CHECK(json::to_ubjson(json::from_ubjson(v_l), true, true) == v_l);
CHECK(json::to_ubjson(json::from_ubjson(v_L), true, true) == v_L);
CHECK(json::to_ubjson(json::from_ubjson(v_D), true, true) == v_D);
CHECK(json::to_ubjson(json::from_ubjson(v_S), true, true) == v_S);
CHECK(json::to_ubjson(json::from_ubjson(v_C), true, true) == v_S); // char is serialized to string
}
}
}
SECTION("parse errors")
{
SECTION("empty byte vector")
{
CHECK_THROWS_AS(json::from_ubjson(std::vector<uint8_t>()), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(std::vector<uint8_t>()),
"[json.exception.parse_error.110] parse error at byte 1: syntax error while parsing UBJSON value: unexpected end of input");
}
SECTION("char")
{
SECTION("eof after C byte")
{
std::vector<uint8_t> v = {'C'};
CHECK_THROWS_AS(json::from_ubjson(v), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(v), "[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing UBJSON char: unexpected end of input");
}
SECTION("byte out of range")
{
std::vector<uint8_t> v = {'C', 130};
CHECK_THROWS_AS(json::from_ubjson(v), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(v), "[json.exception.parse_error.113] parse error at byte 2: syntax error while parsing UBJSON char: byte after 'C' must be in range 0x00..0x7F; last byte: 0x82");
}
}
SECTION("strings")
{
SECTION("eof after S byte")
{
std::vector<uint8_t> v = {'S'};
CHECK_THROWS_AS(json::from_ubjson(v), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(v), "[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing UBJSON value: unexpected end of input");
}
SECTION("invalid byte")
{
std::vector<uint8_t> v = {'S', '1', 'a'};
CHECK_THROWS_AS(json::from_ubjson(v), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(v), "[json.exception.parse_error.113] parse error at byte 2: syntax error while parsing UBJSON string: expected length type specification (U, i, I, l, L); last byte: 0x31");
}
}
SECTION("array")
{
SECTION("optimized array: no size following type")
{
std::vector<uint8_t> v = {'[', '$', 'i', 2};
CHECK_THROWS_AS(json::from_ubjson(v), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(v), "[json.exception.parse_error.112] parse error at byte 4: syntax error while parsing UBJSON size: expected '#' after type information; last byte: 0x02");
}
}
SECTION("strings")
{
std::vector<uint8_t> vS = {'S'};
CHECK_THROWS_AS(json::from_ubjson(vS), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(vS), "[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing UBJSON value: unexpected end of input");
CHECK(json::from_ubjson(vS, true, false).is_discarded());
std::vector<uint8_t> v = {'S', 'i', '2', 'a'};
CHECK_THROWS_AS(json::from_ubjson(v), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(v), "[json.exception.parse_error.110] parse error at byte 5: syntax error while parsing UBJSON string: unexpected end of input");
CHECK(json::from_ubjson(v, true, false).is_discarded());
std::vector<uint8_t> vC = {'C'};
CHECK_THROWS_AS(json::from_ubjson(vC), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(vC), "[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing UBJSON char: unexpected end of input");
CHECK(json::from_ubjson(vC, true, false).is_discarded());
}
SECTION("sizes")
{
std::vector<uint8_t> vU = {'[', '#', 'U'};
CHECK_THROWS_AS(json::from_ubjson(vU), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(vU), "[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing UBJSON number: unexpected end of input");
CHECK(json::from_ubjson(vU, true, false).is_discarded());
std::vector<uint8_t> vi = {'[', '#', 'i'};
CHECK_THROWS_AS(json::from_ubjson(vi), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(vi), "[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing UBJSON number: unexpected end of input");
CHECK(json::from_ubjson(vi, true, false).is_discarded());
std::vector<uint8_t> vI = {'[', '#', 'I'};
CHECK_THROWS_AS(json::from_ubjson(vI), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(vI), "[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing UBJSON number: unexpected end of input");
CHECK(json::from_ubjson(vI, true, false).is_discarded());
std::vector<uint8_t> vl = {'[', '#', 'l'};
CHECK_THROWS_AS(json::from_ubjson(vl), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(vl), "[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing UBJSON number: unexpected end of input");
CHECK(json::from_ubjson(vl, true, false).is_discarded());
std::vector<uint8_t> vL = {'[', '#', 'L'};
CHECK_THROWS_AS(json::from_ubjson(vL), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(vL), "[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing UBJSON number: unexpected end of input");
CHECK(json::from_ubjson(vL, true, false).is_discarded());
std::vector<uint8_t> v0 = {'[', '#', 'T', ']'};
CHECK_THROWS_AS(json::from_ubjson(v0), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(v0), "[json.exception.parse_error.113] parse error at byte 3: syntax error while parsing UBJSON size: expected length type specification (U, i, I, l, L) after '#'; last byte: 0x54");
CHECK(json::from_ubjson(v0, true, false).is_discarded());
}
SECTION("types")
{
std::vector<uint8_t> v0 = {'[', '$'};
CHECK_THROWS_AS(json::from_ubjson(v0), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(v0), "[json.exception.parse_error.110] parse error at byte 3: syntax error while parsing UBJSON type: unexpected end of input");
CHECK(json::from_ubjson(v0, true, false).is_discarded());
std::vector<uint8_t> vi = {'[', '$', '#'};
CHECK_THROWS_AS(json::from_ubjson(vi), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(vi), "[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing UBJSON value: unexpected end of input");
CHECK(json::from_ubjson(vi, true, false).is_discarded());
std::vector<uint8_t> vT = {'[', '$', 'T'};
CHECK_THROWS_AS(json::from_ubjson(vT), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(vT), "[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing UBJSON value: unexpected end of input");
CHECK(json::from_ubjson(vT, true, false).is_discarded());
}
SECTION("arrays")
{
std::vector<uint8_t> vST = {'[', '$', 'i', '#', 'i', 2, 1};
CHECK_THROWS_AS(json::from_ubjson(vST), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(vST), "[json.exception.parse_error.110] parse error at byte 8: syntax error while parsing UBJSON number: unexpected end of input");
CHECK(json::from_ubjson(vST, true, false).is_discarded());
std::vector<uint8_t> vS = {'[', '#', 'i', 2, 'i', 1};
CHECK_THROWS_AS(json::from_ubjson(vS), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(vS), "[json.exception.parse_error.110] parse error at byte 7: syntax error while parsing UBJSON value: unexpected end of input");
CHECK(json::from_ubjson(vS, true, false).is_discarded());
std::vector<uint8_t> v = {'[', 'i', 2, 'i', 1};
CHECK_THROWS_AS(json::from_ubjson(v), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(v), "[json.exception.parse_error.110] parse error at byte 6: syntax error while parsing UBJSON value: unexpected end of input");
CHECK(json::from_ubjson(v, true, false).is_discarded());
}
SECTION("objects")
{
std::vector<uint8_t> vST = {'{', '$', 'i', '#', 'i', 2, 'i', 1, 'a', 1};
CHECK_THROWS_AS(json::from_ubjson(vST), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(vST), "[json.exception.parse_error.110] parse error at byte 11: syntax error while parsing UBJSON value: unexpected end of input");
CHECK(json::from_ubjson(vST, true, false).is_discarded());
std::vector<uint8_t> vT = {'{', '$', 'i', 'i', 1, 'a', 1};
CHECK_THROWS_AS(json::from_ubjson(vT), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(vT), "[json.exception.parse_error.112] parse error at byte 4: syntax error while parsing UBJSON size: expected '#' after type information; last byte: 0x69");
CHECK(json::from_ubjson(vT, true, false).is_discarded());
std::vector<uint8_t> vS = {'{', '#', 'i', 2, 'i', 1, 'a', 'i', 1};
CHECK_THROWS_AS(json::from_ubjson(vS), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(vS), "[json.exception.parse_error.110] parse error at byte 10: syntax error while parsing UBJSON value: unexpected end of input");
CHECK(json::from_ubjson(vS, true, false).is_discarded());
std::vector<uint8_t> v = {'{', 'i', 1, 'a', 'i', 1};
CHECK_THROWS_AS(json::from_ubjson(v), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(v), "[json.exception.parse_error.110] parse error at byte 7: syntax error while parsing UBJSON value: unexpected end of input");
CHECK(json::from_ubjson(v, true, false).is_discarded());
std::vector<uint8_t> v2 = {'{', 'i', 1, 'a', 'i', 1, 'i'};
CHECK_THROWS_AS(json::from_ubjson(v2), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(v2), "[json.exception.parse_error.110] parse error at byte 8: syntax error while parsing UBJSON number: unexpected end of input");
CHECK(json::from_ubjson(v2, true, false).is_discarded());
std::vector<uint8_t> v3 = {'{', 'i', 1, 'a'};
CHECK_THROWS_AS(json::from_ubjson(v3), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(v3), "[json.exception.parse_error.110] parse error at byte 5: syntax error while parsing UBJSON value: unexpected end of input");
CHECK(json::from_ubjson(v3, true, false).is_discarded());
std::vector<uint8_t> vST1 = {'{', '$', 'd', '#', 'i', 2, 'i', 1, 'a'};
CHECK_THROWS_AS(json::from_ubjson(vST1), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(vST1), "[json.exception.parse_error.110] parse error at byte 10: syntax error while parsing UBJSON number: unexpected end of input");
CHECK(json::from_ubjson(vST1, true, false).is_discarded());
std::vector<uint8_t> vST2 = {'{', '#', 'i', 2, 'i', 1, 'a'};
CHECK_THROWS_AS(json::from_ubjson(vST2), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(vST2), "[json.exception.parse_error.110] parse error at byte 8: syntax error while parsing UBJSON value: unexpected end of input");
CHECK(json::from_ubjson(vST2, true, false).is_discarded());
}
}
SECTION("writing optimized values")
{
SECTION("integer")
{
SECTION("array of i")
{
json j = {1, -1};
std::vector<uint8_t> expected = {'[', '$', 'i', '#', 'i', 2, 1, 0xff};
CHECK(json::to_ubjson(j, true, true) == expected);
}
SECTION("array of U")
{
json j = {200, 201};
std::vector<uint8_t> expected = {'[', '$', 'U', '#', 'i', 2, 0xC8, 0xC9};
CHECK(json::to_ubjson(j, true, true) == expected);
}
SECTION("array of I")
{
json j = {30000, -30000};
std::vector<uint8_t> expected = {'[', '$', 'I', '#', 'i', 2, 0x75, 0x30, 0x8a, 0xd0};
CHECK(json::to_ubjson(j, true, true) == expected);
}
SECTION("array of l")
{
json j = {70000, -70000};
std::vector<uint8_t> expected = {'[', '$', 'l', '#', 'i', 2, 0x00, 0x01, 0x11, 0x70, 0xFF, 0xFE, 0xEE, 0x90};
CHECK(json::to_ubjson(j, true, true) == expected);
}
SECTION("array of L")
{
json j = {5000000000, -5000000000};
std::vector<uint8_t> expected = {'[', '$', 'L', '#', 'i', 2, 0x00, 0x00, 0x00, 0x01, 0x2A, 0x05, 0xF2, 0x00, 0xFF, 0xFF, 0xFF, 0xFE, 0xD5, 0xFA, 0x0E, 0x00};
CHECK(json::to_ubjson(j, true, true) == expected);
}
}
SECTION("unsigned integer")
{
SECTION("array of i")
{
json j = {1u, 2u};
std::vector<uint8_t> expected = {'[', '$', 'i', '#', 'i', 2, 1, 2};
std::vector<uint8_t> expected_size = {'[', '#', 'i', 2, 'i', 1, 'i', 2};
CHECK(json::to_ubjson(j, true, true) == expected);
CHECK(json::to_ubjson(j, true) == expected_size);
}
SECTION("array of U")
{
json j = {200u, 201u};
std::vector<uint8_t> expected = {'[', '$', 'U', '#', 'i', 2, 0xC8, 0xC9};
std::vector<uint8_t> expected_size = {'[', '#', 'i', 2, 'U', 0xC8, 'U', 0xC9};
CHECK(json::to_ubjson(j, true, true) == expected);
CHECK(json::to_ubjson(j, true) == expected_size);
}
SECTION("array of I")
{
json j = {30000u, 30001u};
std::vector<uint8_t> expected = {'[', '$', 'I', '#', 'i', 2, 0x75, 0x30, 0x75, 0x31};
std::vector<uint8_t> expected_size = {'[', '#', 'i', 2, 'I', 0x75, 0x30, 'I', 0x75, 0x31};
CHECK(json::to_ubjson(j, true, true) == expected);
CHECK(json::to_ubjson(j, true) == expected_size);
}
SECTION("array of l")
{
json j = {70000u, 70001u};
std::vector<uint8_t> expected = {'[', '$', 'l', '#', 'i', 2, 0x00, 0x01, 0x11, 0x70, 0x00, 0x01, 0x11, 0x71};
std::vector<uint8_t> expected_size = {'[', '#', 'i', 2, 'l', 0x00, 0x01, 0x11, 0x70, 'l', 0x00, 0x01, 0x11, 0x71};
CHECK(json::to_ubjson(j, true, true) == expected);
CHECK(json::to_ubjson(j, true) == expected_size);
}
SECTION("array of L")
{
json j = {5000000000u, 5000000001u};
std::vector<uint8_t> expected = {'[', '$', 'L', '#', 'i', 2, 0x00, 0x00, 0x00, 0x01, 0x2A, 0x05, 0xF2, 0x00, 0x00, 0x00, 0x00, 0x01, 0x2A, 0x05, 0xF2, 0x01};
std::vector<uint8_t> expected_size = {'[', '#', 'i', 2, 'L', 0x00, 0x00, 0x00, 0x01, 0x2A, 0x05, 0xF2, 0x00, 'L', 0x00, 0x00, 0x00, 0x01, 0x2A, 0x05, 0xF2, 0x01};
CHECK(json::to_ubjson(j, true, true) == expected);
CHECK(json::to_ubjson(j, true) == expected_size);
}
}
SECTION("discarded")
{
json j = {json::value_t::discarded, json::value_t::discarded};
std::vector<uint8_t> expected = {'[', '$', 'N', '#', 'i', 2};
CHECK(json::to_ubjson(j, true, true) == expected);
}
}
}
TEST_CASE("Universal Binary JSON Specification Examples 1")
{
SECTION("Null Value")
{
json j = {{"passcode", nullptr}};
std::vector<uint8_t> v = {'{', 'i', 8, 'p', 'a', 's', 's', 'c', 'o', 'd', 'e', 'Z', '}'};
CHECK(json::to_ubjson(j) == v);
CHECK(json::from_ubjson(v) == j);
}
SECTION("No-Op Value")
{
json j = {"foo", "bar", "baz"};
std::vector<uint8_t> v = {'[', 'S', 'i', 3, 'f', 'o', 'o',
'S', 'i', 3, 'b', 'a', 'r',
'S', 'i', 3, 'b', 'a', 'z', ']'
};
std::vector<uint8_t> v2 = {'[', 'S', 'i', 3, 'f', 'o', 'o', 'N',
'S', 'i', 3, 'b', 'a', 'r', 'N', 'N', 'N',
'S', 'i', 3, 'b', 'a', 'z', 'N', 'N', ']'
};
CHECK(json::to_ubjson(j) == v);
CHECK(json::from_ubjson(v) == j);
CHECK(json::from_ubjson(v2) == j);
}
SECTION("Boolean Types")
{
json j = {{"authorized", true}, {"verified", false}};
std::vector<uint8_t> v = {'{', 'i', 10, 'a', 'u', 't', 'h', 'o', 'r', 'i', 'z', 'e', 'd', 'T',
'i', 8, 'v', 'e', 'r', 'i', 'f', 'i', 'e', 'd', 'F', '}'
};
CHECK(json::to_ubjson(j) == v);
CHECK(json::from_ubjson(v) == j);
}
SECTION("Numeric Types")
{
json j =
{
{"int8", 16},
{"uint8", 255},
{"int16", 32767},
{"int32", 2147483647},
{"int64", 9223372036854775807},
{"float64", 113243.7863123}
};
std::vector<uint8_t> v = {'{',
'i', 7, 'f', 'l', 'o', 'a', 't', '6', '4', 'D', 0x40, 0xfb, 0xa5, 0xbc, 0x94, 0xbc, 0x34, 0xcf,
'i', 5, 'i', 'n', 't', '1', '6', 'I', 0x7f, 0xff,
'i', 5, 'i', 'n', 't', '3', '2', 'l', 0x7f, 0xff, 0xff, 0xff,
'i', 5, 'i', 'n', 't', '6', '4', 'L', 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
'i', 4, 'i', 'n', 't', '8', 'i', 16,
'i', 5, 'u', 'i', 'n', 't', '8', 'U', 0xff,
'}'
};
CHECK(json::to_ubjson(j) == v);
CHECK(json::from_ubjson(v) == j);
}
SECTION("Char Type")
{
json j = {{"rolecode", "a"}, {"delim", ";"}};
std::vector<uint8_t> v = {'{', 'i', 5, 'd', 'e', 'l', 'i', 'm', 'C', ';', 'i', 8, 'r', 'o', 'l', 'e', 'c', 'o', 'd', 'e', 'C', 'a', '}'};
//CHECK(json::to_ubjson(j) == v);
CHECK(json::from_ubjson(v) == j);
}
SECTION("String Type")
{
SECTION("English")
{
json j = "hello";
std::vector<uint8_t> v = {'S', 'i', 5, 'h', 'e', 'l', 'l', 'o'};
CHECK(json::to_ubjson(j) == v);
CHECK(json::from_ubjson(v) == j);
}
SECTION("Russian")
{
json j = "привет";
std::vector<uint8_t> v = {'S', 'i', 12, 0xD0, 0xBF, 0xD1, 0x80, 0xD0, 0xB8, 0xD0, 0xB2, 0xD0, 0xB5, 0xD1, 0x82};
CHECK(json::to_ubjson(j) == v);
CHECK(json::from_ubjson(v) == j);
}
SECTION("Russian")
{
json j = "مرحبا";
std::vector<uint8_t> v = {'S', 'i', 10, 0xD9, 0x85, 0xD8, 0xB1, 0xD8, 0xAD, 0xD8, 0xA8, 0xD8, 0xA7};
CHECK(json::to_ubjson(j) == v);
CHECK(json::from_ubjson(v) == j);
}
}
SECTION("Array Type")
{
SECTION("size=false type=false")
{
// note the float has been replaced by a double
json j = {nullptr, true, false, 4782345193, 153.132, "ham"};
std::vector<uint8_t> v = {'[', 'Z', 'T', 'F', 'L', 0x00, 0x00, 0x00, 0x01, 0x1D, 0x0C, 0xCB, 0xE9, 'D', 0x40, 0x63, 0x24, 0x39, 0x58, 0x10, 0x62, 0x4e, 'S', 'i', 3, 'h', 'a', 'm', ']'};
CHECK(json::to_ubjson(j) == v);
CHECK(json::from_ubjson(v) == j);
}
SECTION("size=true type=false")
{
// note the float has been replaced by a double
json j = {nullptr, true, false, 4782345193, 153.132, "ham"};
std::vector<uint8_t> v = {'[', '#', 'i', 6, 'Z', 'T', 'F', 'L', 0x00, 0x00, 0x00, 0x01, 0x1D, 0x0C, 0xCB, 0xE9, 'D', 0x40, 0x63, 0x24, 0x39, 0x58, 0x10, 0x62, 0x4e, 'S', 'i', 3, 'h', 'a', 'm'};
CHECK(json::to_ubjson(j, true) == v);
CHECK(json::from_ubjson(v) == j);
}
SECTION("size=true type=true")
{
// note the float has been replaced by a double
json j = {nullptr, true, false, 4782345193, 153.132, "ham"};
std::vector<uint8_t> v = {'[', '#', 'i', 6, 'Z', 'T', 'F', 'L', 0x00, 0x00, 0x00, 0x01, 0x1D, 0x0C, 0xCB, 0xE9, 'D', 0x40, 0x63, 0x24, 0x39, 0x58, 0x10, 0x62, 0x4e, 'S', 'i', 3, 'h', 'a', 'm'};
CHECK(json::to_ubjson(j, true, true) == v);
CHECK(json::from_ubjson(v) == j);
}
}
SECTION("Object Type")
{
SECTION("size=false type=false")
{
json j =
{
{
"post", {
{"id", 1137},
{"author", "rkalla"},
{"timestamp", 1364482090592},
{"body", "I totally agree!"}
}
}
};
std::vector<uint8_t> v = {'{', 'i', 4, 'p', 'o', 's', 't', '{',
'i', 6, 'a', 'u', 't', 'h', 'o', 'r', 'S', 'i', 6, 'r', 'k', 'a', 'l', 'l', 'a',
'i', 4, 'b', 'o', 'd', 'y', 'S', 'i', 16, 'I', ' ', 't', 'o', 't', 'a', 'l', 'l', 'y', ' ', 'a', 'g', 'r', 'e', 'e', '!',
'i', 2, 'i', 'd', 'I', 0x04, 0x71,
'i', 9, 't', 'i', 'm', 'e', 's', 't', 'a', 'm', 'p', 'L', 0x00, 0x00, 0x01, 0x3D, 0xB1, 0x78, 0x66, 0x60,
'}', '}'
};
CHECK(json::to_ubjson(j) == v);
CHECK(json::from_ubjson(v) == j);
}
SECTION("size=true type=false")
{
json j =
{
{
"post", {
{"id", 1137},
{"author", "rkalla"},
{"timestamp", 1364482090592},
{"body", "I totally agree!"}
}
}
};
std::vector<uint8_t> v = {'{', '#', 'i', 1, 'i', 4, 'p', 'o', 's', 't', '{', '#', 'i', 4,
'i', 6, 'a', 'u', 't', 'h', 'o', 'r', 'S', 'i', 6, 'r', 'k', 'a', 'l', 'l', 'a',
'i', 4, 'b', 'o', 'd', 'y', 'S', 'i', 16, 'I', ' ', 't', 'o', 't', 'a', 'l', 'l', 'y', ' ', 'a', 'g', 'r', 'e', 'e', '!',
'i', 2, 'i', 'd', 'I', 0x04, 0x71,
'i', 9, 't', 'i', 'm', 'e', 's', 't', 'a', 'm', 'p', 'L', 0x00, 0x00, 0x01, 0x3D, 0xB1, 0x78, 0x66, 0x60
};
CHECK(json::to_ubjson(j, true) == v);
CHECK(json::from_ubjson(v) == j);
}
SECTION("size=true type=true")
{
json j =
{
{
"post", {
{"id", 1137},
{"author", "rkalla"},
{"timestamp", 1364482090592},
{"body", "I totally agree!"}
}
}
};
std::vector<uint8_t> v = {'{', '$', '{', '#', 'i', 1, 'i', 4, 'p', 'o', 's', 't', '#', 'i', 4,
'i', 6, 'a', 'u', 't', 'h', 'o', 'r', 'S', 'i', 6, 'r', 'k', 'a', 'l', 'l', 'a',
'i', 4, 'b', 'o', 'd', 'y', 'S', 'i', 16, 'I', ' ', 't', 'o', 't', 'a', 'l', 'l', 'y', ' ', 'a', 'g', 'r', 'e', 'e', '!',
'i', 2, 'i', 'd', 'I', 0x04, 0x71,
'i', 9, 't', 'i', 'm', 'e', 's', 't', 'a', 'm', 'p', 'L', 0x00, 0x00, 0x01, 0x3D, 0xB1, 0x78, 0x66, 0x60
};
CHECK(json::to_ubjson(j, true, true) == v);
CHECK(json::from_ubjson(v) == j);
}
}
SECTION("Optimized Format")
{
SECTION("Array Example")
{
SECTION("No Optimization")
{
// note the floats have been replaced by doubles
json j = {29.97, 31.13, 67.0, 2.113, 23.888};
std::vector<uint8_t> v = {'[',
'D', 0x40, 0x3d, 0xf8, 0x51, 0xeb, 0x85, 0x1e, 0xb8,
'D', 0x40, 0x3f, 0x21, 0x47, 0xae, 0x14, 0x7a, 0xe1,
'D', 0x40, 0x50, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
'D', 0x40, 0x00, 0xe7, 0x6c, 0x8b, 0x43, 0x95, 0x81,
'D', 0x40, 0x37, 0xe3, 0x53, 0xf7, 0xce, 0xd9, 0x17,
']'
};
CHECK(json::to_ubjson(j) == v);
CHECK(json::from_ubjson(v) == j);
}
SECTION("Optimized with count")
{
// note the floats have been replaced by doubles
json j = {29.97, 31.13, 67.0, 2.113, 23.888};
std::vector<uint8_t> v = {'[', '#', 'i', 5,
'D', 0x40, 0x3d, 0xf8, 0x51, 0xeb, 0x85, 0x1e, 0xb8,
'D', 0x40, 0x3f, 0x21, 0x47, 0xae, 0x14, 0x7a, 0xe1,
'D', 0x40, 0x50, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
'D', 0x40, 0x00, 0xe7, 0x6c, 0x8b, 0x43, 0x95, 0x81,
'D', 0x40, 0x37, 0xe3, 0x53, 0xf7, 0xce, 0xd9, 0x17
};
CHECK(json::to_ubjson(j, true) == v);
CHECK(json::from_ubjson(v) == j);
}
SECTION("Optimized with type & count")
{
// note the floats have been replaced by doubles
json j = {29.97, 31.13, 67.0, 2.113, 23.888};
std::vector<uint8_t> v = {'[', '$', 'D', '#', 'i', 5,
0x40, 0x3d, 0xf8, 0x51, 0xeb, 0x85, 0x1e, 0xb8,
0x40, 0x3f, 0x21, 0x47, 0xae, 0x14, 0x7a, 0xe1,
0x40, 0x50, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
0x40, 0x00, 0xe7, 0x6c, 0x8b, 0x43, 0x95, 0x81,
0x40, 0x37, 0xe3, 0x53, 0xf7, 0xce, 0xd9, 0x17
};
CHECK(json::to_ubjson(j, true, true) == v);
CHECK(json::from_ubjson(v) == j);
}
}
SECTION("Object Example")
{
SECTION("No Optimization")
{
// note the floats have been replaced by doubles
json j = { {"lat", 29.976}, {"long", 31.131}, {"alt", 67.0} };
std::vector<uint8_t> v = {'{',
'i', 3, 'a', 'l', 't', 'D', 0x40, 0x50, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
'i', 3, 'l', 'a', 't', 'D', 0x40, 0x3d, 0xf9, 0xdb, 0x22, 0xd0, 0xe5, 0x60,
'i', 4, 'l', 'o', 'n', 'g', 'D', 0x40, 0x3f, 0x21, 0x89, 0x37, 0x4b, 0xc6, 0xa8,
'}'
};
CHECK(json::to_ubjson(j) == v);
CHECK(json::from_ubjson(v) == j);
}
SECTION("Optimized with count")
{
// note the floats have been replaced by doubles
json j = { {"lat", 29.976}, {"long", 31.131}, {"alt", 67.0} };
std::vector<uint8_t> v = {'{', '#', 'i', 3,
'i', 3, 'a', 'l', 't', 'D', 0x40, 0x50, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
'i', 3, 'l', 'a', 't', 'D', 0x40, 0x3d, 0xf9, 0xdb, 0x22, 0xd0, 0xe5, 0x60,
'i', 4, 'l', 'o', 'n', 'g', 'D', 0x40, 0x3f, 0x21, 0x89, 0x37, 0x4b, 0xc6, 0xa8
};
CHECK(json::to_ubjson(j, true) == v);
CHECK(json::from_ubjson(v) == j);
}
SECTION("Optimized with type & count")
{
// note the floats have been replaced by doubles
json j = { {"lat", 29.976}, {"long", 31.131}, {"alt", 67.0} };
std::vector<uint8_t> v = {'{', '$', 'D', '#', 'i', 3,
'i', 3, 'a', 'l', 't', 0x40, 0x50, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
'i', 3, 'l', 'a', 't', 0x40, 0x3d, 0xf9, 0xdb, 0x22, 0xd0, 0xe5, 0x60,
'i', 4, 'l', 'o', 'n', 'g', 0x40, 0x3f, 0x21, 0x89, 0x37, 0x4b, 0xc6, 0xa8
};
CHECK(json::to_ubjson(j, true, true) == v);
CHECK(json::from_ubjson(v) == j);
}
}
SECTION("Special Cases (Null, No-Op and Boolean)")
{
SECTION("Array")
{
std::vector<uint8_t> v = {'[', '$', 'N', '#', 'I', 0x02, 0x00};
CHECK(json::from_ubjson(v) == json::array());
}
SECTION("Object")
{
std::vector<uint8_t> v = {'{', '$', 'Z', '#', 'i', 3, 'i', 4, 'n', 'a', 'm', 'e', 'i', 8, 'p', 'a', 's', 's', 'w', 'o', 'r', 'd', 'i', 5, 'e', 'm', 'a', 'i', 'l'};
CHECK(json::from_ubjson(v) == json({ {"name", nullptr}, {"password", nullptr}, {"email", nullptr} }));
}
}
}
}
TEST_CASE("all UBJSON first bytes", "[!throws]")
{
// these bytes will fail immediately with exception parse_error.112
std::set<uint8_t> supported =
{
'T', 'F', 'Z', 'U', 'i', 'I', 'l', 'L', 'd', 'D', 'C', 'S', '[', '{', 'N'
};
for (auto i = 0; i < 256; ++i)
{
const auto byte = static_cast<uint8_t>(i);
CAPTURE(byte);
try
{
json::from_ubjson(std::vector<uint8_t>(1, byte));
}
catch (const json::parse_error& e)
{
// check that parse_error.112 is only thrown if the
// first byte is not in the supported set
CAPTURE(e.what());
if (std::find(supported.begin(), supported.end(), byte) == supported.end())
{
CHECK(e.id == 112);
}
else
{
CHECK(e.id != 112);
}
}
}
}
TEST_CASE("UBJSON roundtrips", "[hide]")
{
SECTION("input from self-generated UBJSON files")
{
for (std::string filename :
{
"test/data/json_nlohmann_tests/all_unicode.json",
"test/data/json.org/1.json",
"test/data/json.org/2.json",
"test/data/json.org/3.json",
"test/data/json.org/4.json",
"test/data/json.org/5.json",
"test/data/json_roundtrip/roundtrip01.json",
"test/data/json_roundtrip/roundtrip02.json",
"test/data/json_roundtrip/roundtrip03.json",
"test/data/json_roundtrip/roundtrip04.json",
"test/data/json_roundtrip/roundtrip05.json",
"test/data/json_roundtrip/roundtrip06.json",
"test/data/json_roundtrip/roundtrip07.json",
"test/data/json_roundtrip/roundtrip08.json",
"test/data/json_roundtrip/roundtrip09.json",
"test/data/json_roundtrip/roundtrip10.json",
"test/data/json_roundtrip/roundtrip11.json",
"test/data/json_roundtrip/roundtrip12.json",
"test/data/json_roundtrip/roundtrip13.json",
"test/data/json_roundtrip/roundtrip14.json",
"test/data/json_roundtrip/roundtrip15.json",
"test/data/json_roundtrip/roundtrip16.json",
"test/data/json_roundtrip/roundtrip17.json",
"test/data/json_roundtrip/roundtrip18.json",
"test/data/json_roundtrip/roundtrip19.json",
"test/data/json_roundtrip/roundtrip20.json",
"test/data/json_roundtrip/roundtrip21.json",
"test/data/json_roundtrip/roundtrip22.json",
"test/data/json_roundtrip/roundtrip23.json",
"test/data/json_roundtrip/roundtrip24.json",
"test/data/json_roundtrip/roundtrip25.json",
"test/data/json_roundtrip/roundtrip26.json",
"test/data/json_roundtrip/roundtrip27.json",
"test/data/json_roundtrip/roundtrip28.json",
"test/data/json_roundtrip/roundtrip29.json",
"test/data/json_roundtrip/roundtrip30.json",
"test/data/json_roundtrip/roundtrip31.json",
"test/data/json_roundtrip/roundtrip32.json",
"test/data/json_testsuite/sample.json",
"test/data/json_tests/pass1.json",
"test/data/json_tests/pass2.json",
"test/data/json_tests/pass3.json"
})
{
CAPTURE(filename);
SECTION(filename + ": std::vector<uint8_t>")
{
// parse JSON file
std::ifstream f_json(filename);
json j1 = json::parse(f_json);
// parse MessagePack file
std::ifstream f_ubjson(filename + ".ubjson", std::ios::binary);
std::vector<uint8_t> packed(
(std::istreambuf_iterator<char>(f_ubjson)),
std::istreambuf_iterator<char>());
json j2;
CHECK_NOTHROW(j2 = json::from_ubjson(packed));
// compare parsed JSON values
CHECK(j1 == j2);
}
SECTION(filename + ": std::ifstream")
{
// parse JSON file
std::ifstream f_json(filename);
json j1 = json::parse(f_json);
// parse MessagePack file
std::ifstream f_ubjson(filename + ".ubjson", std::ios::binary);
json j2;
CHECK_NOTHROW(j2 = json::from_ubjson(f_ubjson));
// compare parsed JSON values
CHECK(j1 == j2);
}
SECTION(filename + ": uint8_t* and size")
{
// parse JSON file
std::ifstream f_json(filename);
json j1 = json::parse(f_json);
// parse MessagePack file
std::ifstream f_ubjson(filename + ".ubjson", std::ios::binary);
std::vector<uint8_t> packed(
(std::istreambuf_iterator<char>(f_ubjson)),
std::istreambuf_iterator<char>());
json j2;
CHECK_NOTHROW(j2 = json::from_ubjson({packed.data(), packed.size()}));
// compare parsed JSON values
CHECK(j1 == j2);
}
SECTION(filename + ": output to output adapters")
{
// parse JSON file
std::ifstream f_json(filename);
json j1 = json::parse(f_json);
// parse MessagePack file
std::ifstream f_ubjson(filename + ".ubjson", std::ios::binary);
std::vector<uint8_t> packed(
(std::istreambuf_iterator<char>(f_ubjson)),
std::istreambuf_iterator<char>());
SECTION(filename + ": output adapters: std::vector<uint8_t>")
{
std::vector<uint8_t> vec;
json::to_ubjson(j1, vec);
CHECK(vec == packed);
}
}
}
}
}
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