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nlohmannjson/test/src/unit-cbor.cpp
Niels Lohmann 1ab26ab367 ✨ option to switch off exceptions
2017-01-16 22:11:07 +01:00

1634 lines
77 KiB
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/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.10
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.
Copyright (c) 2013-2017 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"
#define private public
#include "json.hpp"
using nlohmann::json;
#include <fstream>
TEST_CASE("CBOR")
{
SECTION("individual values")
{
SECTION("discarded")
{
// discarded values are not serialized
json j = json::value_t::discarded;
const auto result = json::to_cbor(j);
CHECK(result.empty());
}
SECTION("null")
{
json j = nullptr;
std::vector<uint8_t> expected = {0xf6};
const auto result = json::to_cbor(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
SECTION("boolean")
{
SECTION("true")
{
json j = true;
std::vector<uint8_t> expected = {0xf5};
const auto result = json::to_cbor(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
SECTION("false")
{
json j = false;
std::vector<uint8_t> expected = {0xf4};
const auto result = json::to_cbor(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
SECTION("number")
{
SECTION("signed")
{
SECTION("-9223372036854775808..-4294967297")
{
std::vector<int64_t> numbers;
numbers.push_back(INT64_MIN);
numbers.push_back(-1000000000000000000);
numbers.push_back(-100000000000000000);
numbers.push_back(-10000000000000000);
numbers.push_back(-1000000000000000);
numbers.push_back(-100000000000000);
numbers.push_back(-10000000000000);
numbers.push_back(-1000000000000);
numbers.push_back(-100000000000);
numbers.push_back(-10000000000);
numbers.push_back(-4294967297);
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>(0x3b));
uint64_t positive = static_cast<uint64_t>(-1 - i);
expected.push_back(static_cast<uint8_t>((positive >> 56) & 0xff));
expected.push_back(static_cast<uint8_t>((positive >> 48) & 0xff));
expected.push_back(static_cast<uint8_t>((positive >> 40) & 0xff));
expected.push_back(static_cast<uint8_t>((positive >> 32) & 0xff));
expected.push_back(static_cast<uint8_t>((positive >> 24) & 0xff));
expected.push_back(static_cast<uint8_t>((positive >> 16) & 0xff));
expected.push_back(static_cast<uint8_t>((positive >> 8) & 0xff));
expected.push_back(static_cast<uint8_t>(positive & 0xff));
// compare result + size
const auto result = json::to_cbor(j);
CHECK(result == expected);
CHECK(result.size() == 9);
// check individual bytes
CHECK(result[0] == 0x3b);
uint64_t restored = static_cast<uint64_t>((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 == positive);
CHECK(-1 - static_cast<int64_t>(restored) == i);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
SECTION("-4294967296..-65537")
{
std::vector<int64_t> numbers;
numbers.push_back(-65537);
numbers.push_back(-100000);
numbers.push_back(-1000000);
numbers.push_back(-10000000);
numbers.push_back(-100000000);
numbers.push_back(-1000000000);
numbers.push_back(-4294967296);
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>(0x3a));
uint32_t positive = static_cast<uint32_t>(static_cast<uint64_t>(-1 - i) & 0x00000000ffffffff);
expected.push_back(static_cast<uint8_t>((positive >> 24) & 0xff));
expected.push_back(static_cast<uint8_t>((positive >> 16) & 0xff));
expected.push_back(static_cast<uint8_t>((positive >> 8) & 0xff));
expected.push_back(static_cast<uint8_t>(positive & 0xff));
// compare result + size
const auto result = json::to_cbor(j);
CHECK(result == expected);
CHECK(result.size() == 5);
// check individual bytes
CHECK(result[0] == 0x3a);
uint32_t restored = static_cast<uint32_t>((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 == positive);
CHECK(-1ll - restored == i);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
SECTION("-65536..-257")
{
for (int32_t i = -65536; i <= -257; ++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>(0x39));
uint16_t positive = static_cast<uint16_t>(-1 - i);
expected.push_back(static_cast<uint8_t>((positive >> 8) & 0xff));
expected.push_back(static_cast<uint8_t>(positive & 0xff));
// compare result + size
const auto result = json::to_cbor(j);
CHECK(result == expected);
CHECK(result.size() == 3);
// check individual bytes
CHECK(result[0] == 0x39);
uint16_t restored = static_cast<uint8_t>(result[1]) * 256 + static_cast<uint8_t>(result[2]);
CHECK(restored == positive);
CHECK(-1 - restored == i);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
SECTION("-9263 (int 16)")
{
json j = -9263;
std::vector<uint8_t> expected = {0x39, 0x24, 0x2e};
const auto result = json::to_cbor(j);
CHECK(result == expected);
int16_t restored = -1 - ((result[1] << 8) + result[2]);
CHECK(restored == -9263);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
SECTION("-256..-24")
{
for (auto i = -256; i < -24; ++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(0x38);
expected.push_back(static_cast<uint8_t>(-1 - i));
// compare result + size
const auto result = json::to_cbor(j);
CHECK(result == expected);
CHECK(result.size() == 2);
// check individual bytes
CHECK(result[0] == 0x38);
CHECK(static_cast<int16_t>(-1 - result[1]) == i);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
SECTION("-24..-1")
{
for (auto i = -24; 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(0x20 - 1 - static_cast<uint8_t>(i));
// compare result + size
const auto result = json::to_cbor(j);
CHECK(result == expected);
CHECK(result.size() == 1);
// check individual bytes
CHECK(static_cast<int8_t>(0x20 - 1 - result[0]) == i);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
SECTION("0..23")
{
for (size_t i = 0; i <= 23; ++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));
// compare result + size
const auto result = json::to_cbor(j);
CHECK(result == expected);
CHECK(result.size() == 1);
// check individual bytes
CHECK(result[0] == i);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
SECTION("24..255")
{
for (size_t i = 24; 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>(0x18));
expected.push_back(static_cast<uint8_t>(i));
// compare result + size
const auto result = json::to_cbor(j);
CHECK(result == expected);
CHECK(result.size() == 2);
// check individual bytes
CHECK(result[0] == 0x18);
CHECK(result[1] == i);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
SECTION("256..65535")
{
for (size_t i = 256; i <= 65535; ++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>(0x19));
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_cbor(j);
CHECK(result == expected);
CHECK(result.size() == 3);
// check individual bytes
CHECK(result[0] == 0x19);
uint16_t restored = static_cast<uint8_t>(result[1]) * 256 + static_cast<uint8_t>(result[2]);
CHECK(restored == i);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
SECTION("65536..4294967295")
{
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(0x1a);
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_cbor(j);
CHECK(result == expected);
CHECK(result.size() == 5);
// check individual bytes
CHECK(result[0] == 0x1a);
uint32_t restored = static_cast<uint32_t>((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_cbor(result) == j);
}
}
SECTION("4294967296..4611686018427387903")
{
for (uint64_t i :
{
4294967296ul, 4611686018427387903ul
})
{
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(0x1b);
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_cbor(j);
CHECK(result == expected);
CHECK(result.size() == 9);
// check individual bytes
CHECK(result[0] == 0x1b);
uint64_t restored = static_cast<uint64_t>((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_cbor(result) == j);
}
}
/*
SECTION("-32768..-129 (int 16)")
{
for (int16_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(0xd1);
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_msgpack(j);
CHECK(result == expected);
CHECK(result.size() == 3);
// check individual bytes
CHECK(result[0] == 0xd1);
int16_t restored = (result[1] << 8) + result[2];
CHECK(restored == i);
// roundtrip
CHECK(json::from_msgpack(result) == j);
}
}
*/
}
SECTION("unsigned")
{
SECTION("0..23 (Integer)")
{
for (size_t i = 0; i <= 23; ++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(static_cast<uint8_t>(i));
// compare result + size
const auto result = json::to_cbor(j);
CHECK(result == expected);
CHECK(result.size() == 1);
// check individual bytes
CHECK(result[0] == i);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
SECTION("24..255 (one-byte uint8_t)")
{
for (size_t i = 24; 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(0x18);
expected.push_back(static_cast<uint8_t>(i));
// compare result + size
const auto result = json::to_cbor(j);
CHECK(result == expected);
CHECK(result.size() == 2);
// check individual bytes
CHECK(result[0] == 0x18);
uint8_t restored = static_cast<uint8_t>(result[1]);
CHECK(restored == i);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
SECTION("256..65535 (two-byte uint16_t)")
{
for (size_t i = 256; i <= 65535; ++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(0x19);
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_cbor(j);
CHECK(result == expected);
CHECK(result.size() == 3);
// check individual bytes
CHECK(result[0] == 0x19);
uint16_t restored = static_cast<uint8_t>(result[1]) * 256 + static_cast<uint8_t>(result[2]);
CHECK(restored == i);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
SECTION("65536..4294967295 (four-byte uint32_t)")
{
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(0x1a);
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_cbor(j);
CHECK(result == expected);
CHECK(result.size() == 5);
// check individual bytes
CHECK(result[0] == 0x1a);
uint32_t restored = static_cast<uint32_t>((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_cbor(result) == j);
}
}
SECTION("4294967296..4611686018427387903 (eight-byte uint64_t)")
{
for (uint64_t i :
{
4294967296ul, 4611686018427387903ul
})
{
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(0x1b);
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_cbor(j);
CHECK(result == expected);
CHECK(result.size() == 9);
// check individual bytes
CHECK(result[0] == 0x1b);
uint64_t restored = static_cast<uint64_t>((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_cbor(result) == j);
}
}
}
SECTION("float")
{
SECTION("3.1415925")
{
double v = 3.1415925;
json j = v;
std::vector<uint8_t> expected =
{
0xfb, 0x40, 0x09, 0x21, 0xfb, 0x3f, 0xa6, 0xde, 0xfc
};
const auto result = json::to_cbor(j);
CHECK(result == expected);
// restore value (reverse array for endianess)
double restored;
std::reverse(expected.begin(), expected.end());
memcpy(&restored, expected.data(), sizeof(double));
CHECK(restored == v);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
SECTION("half-precision float (edge cases)")
{
SECTION("infinity")
{
json j = json::from_cbor(std::vector<uint8_t>({0xf9, 0x7c, 0x00}));
CHECK(j == nullptr);
}
SECTION("NaN")
{
json j = json::from_cbor(std::vector<uint8_t>({0xf9, 0x7c, 0x01}));
CHECK(j == nullptr);
}
}
}
SECTION("string")
{
SECTION("N = 0..23")
{
for (size_t N = 0; N <= 0x17; ++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(static_cast<uint8_t>(0x60 + N));
for (size_t i = 0; i < N; ++i)
{
expected.push_back('x');
}
// compare result + size
const auto result = json::to_cbor(j);
CHECK(result == expected);
CHECK(result.size() == N + 1);
// check that no null byte is appended
if (N > 0)
{
CHECK(result.back() != '\x00');
}
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
SECTION("N = 24..255")
{
for (size_t N = 24; 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(0x78);
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_cbor(j);
CHECK(result == expected);
CHECK(result.size() == N + 2);
// check that no null byte is appended
CHECK(result.back() != '\x00');
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
SECTION("N = 256..65535")
{
for (size_t N :
{
256u, 999u, 1025u, 3333u, 2048u, 65535u
})
{
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(), 0x79);
// compare result + size
const auto result = json::to_cbor(j);
CHECK(result == expected);
CHECK(result.size() == N + 3);
// check that no null byte is appended
CHECK(result.back() != '\x00');
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
SECTION("N = 65536..4294967295")
{
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(), 0x7a);
// compare result + size
const auto result = json::to_cbor(j);
CHECK(result == expected);
CHECK(result.size() == N + 5);
// check that no null byte is appended
CHECK(result.back() != '\x00');
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
}
SECTION("array")
{
SECTION("empty")
{
json j = json::array();
std::vector<uint8_t> expected = {0x80};
const auto result = json::to_cbor(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
SECTION("[null]")
{
json j = {nullptr};
std::vector<uint8_t> expected = {0x81, 0xf6};
const auto result = json::to_cbor(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
SECTION("[1,2,3,4,5]")
{
json j = json::parse("[1,2,3,4,5]");
std::vector<uint8_t> expected = {0x85, 0x01, 0x02, 0x03, 0x04, 0x05};
const auto result = json::to_cbor(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
SECTION("[[[[]]]]")
{
json j = json::parse("[[[[]]]]");
std::vector<uint8_t> expected = {0x81, 0x81, 0x81, 0x80};
const auto result = json::to_cbor(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
SECTION("array with uint16_t elements")
{
json j(257, nullptr);
std::vector<uint8_t> expected(j.size() + 3, 0xf6); // all null
expected[0] = 0x99; // array 16 bit
expected[1] = 0x01; // size (0x0101), byte 0
expected[2] = 0x01; // size (0x0101), byte 1
const auto result = json::to_cbor(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
SECTION("array with uint32_t elements")
{
json j(65793, nullptr);
std::vector<uint8_t> expected(j.size() + 5, 0xf6); // all null
expected[0] = 0x9a; // array 32 bit
expected[1] = 0x00; // size (0x00010101), byte 0
expected[2] = 0x01; // size (0x00010101), byte 1
expected[3] = 0x01; // size (0x00010101), byte 2
expected[4] = 0x01; // size (0x00010101), byte 3
const auto result = json::to_cbor(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
/*
SECTION("array with uint64_t elements")
{
json j(4294967296, nullptr);
std::vector<uint8_t> expected(j.size() + 9, 0xf6); // all null
expected[0] = 0x9b; // array 64 bit
expected[1] = 0x00; // size (0x0000000100000000), byte 0
expected[2] = 0x00; // size (0x0000000100000000), byte 1
expected[3] = 0x00; // size (0x0000000100000000), byte 2
expected[4] = 0x01; // size (0x0000000100000000), byte 3
expected[5] = 0x00; // size (0x0000000100000000), byte 4
expected[6] = 0x00; // size (0x0000000100000000), byte 5
expected[7] = 0x00; // size (0x0000000100000000), byte 6
expected[8] = 0x00; // size (0x0000000100000000), byte 7
const auto result = json::to_cbor(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
*/
}
SECTION("object")
{
SECTION("empty")
{
json j = json::object();
std::vector<uint8_t> expected = {0xa0};
const auto result = json::to_cbor(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
SECTION("{\"\":null}")
{
json j = {{"", nullptr}};
std::vector<uint8_t> expected = {0xa1, 0x60, 0xf6};
const auto result = json::to_cbor(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
SECTION("{\"a\": {\"b\": {\"c\": {}}}}")
{
json j = json::parse("{\"a\": {\"b\": {\"c\": {}}}}");
std::vector<uint8_t> expected =
{
0xa1, 0x61, 0x61, 0xa1, 0x61, 0x62, 0xa1, 0x61, 0x63, 0xa0
};
const auto result = json::to_cbor(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
SECTION("object with uint8_t elements")
{
json j;
for (auto i = 0; i < 255; ++i)
{
// format i to a fixed width of 5
// each entry will need 7 bytes: 6 for string, 1 for null
std::stringstream ss;
ss << std::setw(5) << std::setfill('0') << i;
j.emplace(ss.str(), nullptr);
}
const auto result = json::to_cbor(j);
// Checking against an expected vector byte by byte is
// difficult, because no assumption on the order of key/value
// pairs are made. We therefore only check the prefix (type and
// size and the overall size. The rest is then handled in the
// roundtrip check.
CHECK(result.size() == 1787); // 1 type, 1 size, 255*7 content
CHECK(result[0] == 0xb8); // map 8 bit
CHECK(result[1] == 0xff); // size byte (0xff)
// roundtrip
CHECK(json::from_cbor(result) == j);
}
SECTION("object with uint16_t elements")
{
json j;
for (auto i = 0; i < 256; ++i)
{
// format i to a fixed width of 5
// each entry will need 7 bytes: 6 for string, 1 for null
std::stringstream ss;
ss << std::setw(5) << std::setfill('0') << i;
j.emplace(ss.str(), nullptr);
}
const auto result = json::to_cbor(j);
// Checking against an expected vector byte by byte is
// difficult, because no assumption on the order of key/value
// pairs are made. We therefore only check the prefix (type and
// size and the overall size. The rest is then handled in the
// roundtrip check.
CHECK(result.size() == 1795); // 1 type, 2 size, 256*7 content
CHECK(result[0] == 0xb9); // map 16 bit
CHECK(result[1] == 0x01); // byte 0 of size (0x0100)
CHECK(result[2] == 0x00); // byte 1 of size (0x0100)
// roundtrip
CHECK(json::from_cbor(result) == j);
}
SECTION("object with uint32_t elements")
{
json j;
for (auto i = 0; i < 65536; ++i)
{
// format i to a fixed width of 5
// each entry will need 7 bytes: 6 for string, 1 for null
std::stringstream ss;
ss << std::setw(5) << std::setfill('0') << i;
j.emplace(ss.str(), nullptr);
}
const auto result = json::to_cbor(j);
// Checking against an expected vector byte by byte is
// difficult, because no assumption on the order of key/value
// pairs are made. We therefore only check the prefix (type and
// size and the overall size. The rest is then handled in the
// roundtrip check.
CHECK(result.size() == 458757); // 1 type, 4 size, 65536*7 content
CHECK(result[0] == 0xba); // map 32 bit
CHECK(result[1] == 0x00); // byte 0 of size (0x00010000)
CHECK(result[2] == 0x01); // byte 1 of size (0x00010000)
CHECK(result[3] == 0x00); // byte 2 of size (0x00010000)
CHECK(result[4] == 0x00); // byte 3 of size (0x00010000)
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
}
SECTION("additonal deserialization")
{
SECTION("0x7b (string)")
{
std::vector<uint8_t> given = {0x7b, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x01, 0x61
};
json j = json::from_cbor(given);
CHECK(j == "a");
}
SECTION("0x9b (array)")
{
std::vector<uint8_t> given = {0x9b, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x01, 0xf4
};
json j = json::from_cbor(given);
CHECK(j == json::parse("[false]"));
}
SECTION("0xbb (map)")
{
std::vector<uint8_t> given = {0xbb, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x01, 0x60, 0xf4
};
json j = json::from_cbor(given);
CHECK(j == json::parse("{\"\": false}"));
}
}
SECTION("errors")
{
SECTION("too short byte vector")
{
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x18})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x19})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x19, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1a})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1a, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1a, 0x00, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1a, 0x00, 0x00, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})), std::out_of_range);
}
}
}
// use this testcase outside [hide] to run it with Valgrind
TEST_CASE("single CBOR roundtrip")
{
SECTION("sample.json")
{
std::string filename = "test/data/json_testsuite/sample.json";
// parse JSON file
std::ifstream f_json(filename);
json j1 = json::parse(f_json);
// parse MessagePack file
std::ifstream f_cbor(filename + ".cbor", std::ios::binary);
std::vector<uint8_t> packed((std::istreambuf_iterator<char>(f_cbor)),
std::istreambuf_iterator<char>());
json j2;
CHECK_NOTHROW(j2 = json::from_cbor(packed));
// compare parsed JSON values
CHECK(j1 == j2);
}
}
TEST_CASE("CBOR regressions", "[!throws]")
{
SECTION("fuzz test results")
{
/*
The following test cases were found during a two-day session with
AFL-Fuzz. As a result, empty byte vectors and excessive lengths are
detected.
*/
for (std::string filename :
{
"test/data/cbor_regression/test01",
"test/data/cbor_regression/test02",
"test/data/cbor_regression/test03",
"test/data/cbor_regression/test04",
"test/data/cbor_regression/test05",
"test/data/cbor_regression/test06",
"test/data/cbor_regression/test07",
"test/data/cbor_regression/test08",
"test/data/cbor_regression/test09",
"test/data/cbor_regression/test10",
"test/data/cbor_regression/test11",
"test/data/cbor_regression/test12",
"test/data/cbor_regression/test13",
"test/data/cbor_regression/test14",
"test/data/cbor_regression/test15",
"test/data/cbor_regression/test16",
"test/data/cbor_regression/test17",
"test/data/cbor_regression/test18",
"test/data/cbor_regression/test19",
"test/data/cbor_regression/test20",
"test/data/cbor_regression/test21"
})
{
CAPTURE(filename);
try
{
// parse CBOR file
std::ifstream f_cbor(filename, std::ios::binary);
std::vector<uint8_t> vec1(
(std::istreambuf_iterator<char>(f_cbor)),
std::istreambuf_iterator<char>());
json j1 = json::from_cbor(vec1);
try
{
// step 2: round trip
std::vector<uint8_t> vec2 = json::to_cbor(j1);
// parse serialization
json j2 = json::from_cbor(vec2);
// deserializations must match
CHECK(j1 == j2);
}
catch (const std::invalid_argument&)
{
// parsing a CBOR serialization must not fail
CHECK(false);
}
}
catch (const std::invalid_argument&)
{
// parse errors are ok, because input may be random bytes
}
catch (const std::out_of_range&)
{
// parse errors are ok, because input may be random bytes
}
catch (const std::domain_error&)
{
// parse errors are ok, because input may be random bytes
}
}
}
SECTION("improve code coverage")
{
// exotic edge case
CHECK_THROWS_AS(json::check_length(0xffffffffffffffff, 0xfffffffffffffff0, 0xff), std::out_of_range);
}
}
TEST_CASE("CBOR roundtrips", "[hide]")
{
SECTION("input from flynn")
{
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", // kills AppVeyor
"test/data/json_tests/pass1.json",
"test/data/json_tests/pass2.json",
"test/data/json_tests/pass3.json",
"test/data/regression/floats.json",
"test/data/regression/signed_ints.json",
"test/data/regression/unsigned_ints.json",
"test/data/regression/working_file.json",
"test/data/nst_json_testsuite/test_parsing/y_array_arraysWithSpaces.json",
"test/data/nst_json_testsuite/test_parsing/y_array_empty-string.json",
"test/data/nst_json_testsuite/test_parsing/y_array_empty.json",
"test/data/nst_json_testsuite/test_parsing/y_array_ending_with_newline.json",
"test/data/nst_json_testsuite/test_parsing/y_array_false.json",
"test/data/nst_json_testsuite/test_parsing/y_array_heterogeneous.json",
"test/data/nst_json_testsuite/test_parsing/y_array_null.json",
"test/data/nst_json_testsuite/test_parsing/y_array_with_1_and_newline.json",
"test/data/nst_json_testsuite/test_parsing/y_array_with_leading_space.json",
"test/data/nst_json_testsuite/test_parsing/y_array_with_several_null.json",
"test/data/nst_json_testsuite/test_parsing/y_array_with_trailing_space.json",
"test/data/nst_json_testsuite/test_parsing/y_number.json",
"test/data/nst_json_testsuite/test_parsing/y_number_0e+1.json",
"test/data/nst_json_testsuite/test_parsing/y_number_0e1.json",
"test/data/nst_json_testsuite/test_parsing/y_number_after_space.json",
"test/data/nst_json_testsuite/test_parsing/y_number_double_close_to_zero.json",
"test/data/nst_json_testsuite/test_parsing/y_number_double_huge_neg_exp.json",
"test/data/nst_json_testsuite/test_parsing/y_number_huge_exp.json",
"test/data/nst_json_testsuite/test_parsing/y_number_int_with_exp.json",
"test/data/nst_json_testsuite/test_parsing/y_number_minus_zero.json",
"test/data/nst_json_testsuite/test_parsing/y_number_negative_int.json",
"test/data/nst_json_testsuite/test_parsing/y_number_negative_one.json",
"test/data/nst_json_testsuite/test_parsing/y_number_negative_zero.json",
"test/data/nst_json_testsuite/test_parsing/y_number_real_capital_e.json",
"test/data/nst_json_testsuite/test_parsing/y_number_real_capital_e_neg_exp.json",
"test/data/nst_json_testsuite/test_parsing/y_number_real_capital_e_pos_exp.json",
"test/data/nst_json_testsuite/test_parsing/y_number_real_exponent.json",
"test/data/nst_json_testsuite/test_parsing/y_number_real_fraction_exponent.json",
"test/data/nst_json_testsuite/test_parsing/y_number_real_neg_exp.json",
"test/data/nst_json_testsuite/test_parsing/y_number_real_neg_overflow.json",
"test/data/nst_json_testsuite/test_parsing/y_number_real_pos_exponent.json",
"test/data/nst_json_testsuite/test_parsing/y_number_real_pos_overflow.json",
"test/data/nst_json_testsuite/test_parsing/y_number_real_underflow.json",
"test/data/nst_json_testsuite/test_parsing/y_number_simple_int.json",
"test/data/nst_json_testsuite/test_parsing/y_number_simple_real.json",
//"test/data/nst_json_testsuite/test_parsing/y_number_too_big_neg_int.json",
//"test/data/nst_json_testsuite/test_parsing/y_number_too_big_pos_int.json",
//"test/data/nst_json_testsuite/test_parsing/y_number_very_big_negative_int.json",
"test/data/nst_json_testsuite/test_parsing/y_object.json",
"test/data/nst_json_testsuite/test_parsing/y_object_basic.json",
"test/data/nst_json_testsuite/test_parsing/y_object_duplicated_key.json",
"test/data/nst_json_testsuite/test_parsing/y_object_duplicated_key_and_value.json",
"test/data/nst_json_testsuite/test_parsing/y_object_empty.json",
"test/data/nst_json_testsuite/test_parsing/y_object_empty_key.json",
"test/data/nst_json_testsuite/test_parsing/y_object_escaped_null_in_key.json",
"test/data/nst_json_testsuite/test_parsing/y_object_extreme_numbers.json",
"test/data/nst_json_testsuite/test_parsing/y_object_long_strings.json",
"test/data/nst_json_testsuite/test_parsing/y_object_simple.json",
"test/data/nst_json_testsuite/test_parsing/y_object_string_unicode.json",
"test/data/nst_json_testsuite/test_parsing/y_object_with_newlines.json",
"test/data/nst_json_testsuite/test_parsing/y_string_1_2_3_bytes_UTF-8_sequences.json",
"test/data/nst_json_testsuite/test_parsing/y_string_UTF-16_Surrogates_U+1D11E_MUSICAL_SYMBOL_G_CLEF.json",
"test/data/nst_json_testsuite/test_parsing/y_string_accepted_surrogate_pair.json",
"test/data/nst_json_testsuite/test_parsing/y_string_accepted_surrogate_pairs.json",
"test/data/nst_json_testsuite/test_parsing/y_string_allowed_escapes.json",
"test/data/nst_json_testsuite/test_parsing/y_string_backslash_and_u_escaped_zero.json",
"test/data/nst_json_testsuite/test_parsing/y_string_backslash_doublequotes.json",
"test/data/nst_json_testsuite/test_parsing/y_string_comments.json",
"test/data/nst_json_testsuite/test_parsing/y_string_double_escape_a.json",
"test/data/nst_json_testsuite/test_parsing/y_string_double_escape_n.json",
"test/data/nst_json_testsuite/test_parsing/y_string_escaped_control_character.json",
"test/data/nst_json_testsuite/test_parsing/y_string_escaped_noncharacter.json",
"test/data/nst_json_testsuite/test_parsing/y_string_in_array.json",
"test/data/nst_json_testsuite/test_parsing/y_string_in_array_with_leading_space.json",
"test/data/nst_json_testsuite/test_parsing/y_string_last_surrogates_1_and_2.json",
"test/data/nst_json_testsuite/test_parsing/y_string_newline_uescaped.json",
"test/data/nst_json_testsuite/test_parsing/y_string_nonCharacterInUTF-8_U+10FFFF.json",
"test/data/nst_json_testsuite/test_parsing/y_string_nonCharacterInUTF-8_U+1FFFF.json",
"test/data/nst_json_testsuite/test_parsing/y_string_nonCharacterInUTF-8_U+FFFF.json",
"test/data/nst_json_testsuite/test_parsing/y_string_null_escape.json",
"test/data/nst_json_testsuite/test_parsing/y_string_one-byte-utf-8.json",
"test/data/nst_json_testsuite/test_parsing/y_string_pi.json",
"test/data/nst_json_testsuite/test_parsing/y_string_simple_ascii.json",
"test/data/nst_json_testsuite/test_parsing/y_string_space.json",
"test/data/nst_json_testsuite/test_parsing/y_string_three-byte-utf-8.json",
"test/data/nst_json_testsuite/test_parsing/y_string_two-byte-utf-8.json",
"test/data/nst_json_testsuite/test_parsing/y_string_u+2028_line_sep.json",
"test/data/nst_json_testsuite/test_parsing/y_string_u+2029_par_sep.json",
"test/data/nst_json_testsuite/test_parsing/y_string_uEscape.json",
"test/data/nst_json_testsuite/test_parsing/y_string_unescaped_char_delete.json",
"test/data/nst_json_testsuite/test_parsing/y_string_unicode.json",
"test/data/nst_json_testsuite/test_parsing/y_string_unicodeEscapedBackslash.json",
"test/data/nst_json_testsuite/test_parsing/y_string_unicode_2.json",
"test/data/nst_json_testsuite/test_parsing/y_string_unicode_U+200B_ZERO_WIDTH_SPACE.json",
"test/data/nst_json_testsuite/test_parsing/y_string_unicode_U+2064_invisible_plus.json",
"test/data/nst_json_testsuite/test_parsing/y_string_unicode_escaped_double_quote.json",
// "test/data/nst_json_testsuite/test_parsing/y_string_utf16.json",
"test/data/nst_json_testsuite/test_parsing/y_string_utf8.json",
"test/data/nst_json_testsuite/test_parsing/y_string_with_del_character.json",
"test/data/nst_json_testsuite/test_parsing/y_structure_lonely_false.json",
"test/data/nst_json_testsuite/test_parsing/y_structure_lonely_int.json",
"test/data/nst_json_testsuite/test_parsing/y_structure_lonely_negative_real.json",
"test/data/nst_json_testsuite/test_parsing/y_structure_lonely_null.json",
"test/data/nst_json_testsuite/test_parsing/y_structure_lonely_string.json",
"test/data/nst_json_testsuite/test_parsing/y_structure_lonely_true.json",
"test/data/nst_json_testsuite/test_parsing/y_structure_string_empty.json",
"test/data/nst_json_testsuite/test_parsing/y_structure_trailing_newline.json",
"test/data/nst_json_testsuite/test_parsing/y_structure_true_in_array.json",
"test/data/nst_json_testsuite/test_parsing/y_structure_whitespace_array.json"
})
{
CAPTURE(filename);
// parse JSON file
std::ifstream f_json(filename);
json j1 = json::parse(f_json);
// parse CBOR file
std::ifstream f_cbor(filename + ".cbor", std::ios::binary);
std::vector<uint8_t> packed(
(std::istreambuf_iterator<char>(f_cbor)),
std::istreambuf_iterator<char>());
json j2;
CHECK_NOTHROW(j2 = json::from_cbor(packed));
// compare parsed JSON values
CHECK(j1 == j2);
}
}
}
TEST_CASE("examples from RFC 7049 Appendix A")
{
SECTION("numbers")
{
CHECK(json::to_cbor(json::parse("0")) == std::vector<uint8_t>({0x00}));
CHECK(json::parse("0") == json::from_cbor(std::vector<uint8_t>({0x00})));
CHECK(json::to_cbor(json::parse("1")) == std::vector<uint8_t>({0x01}));
CHECK(json::parse("1") == json::from_cbor(std::vector<uint8_t>({0x01})));
CHECK(json::to_cbor(json::parse("10")) == std::vector<uint8_t>({0x0a}));
CHECK(json::parse("10") == json::from_cbor(std::vector<uint8_t>({0x0a})));
CHECK(json::to_cbor(json::parse("23")) == std::vector<uint8_t>({0x17}));
CHECK(json::parse("23") == json::from_cbor(std::vector<uint8_t>({0x17})));
CHECK(json::to_cbor(json::parse("24")) == std::vector<uint8_t>({0x18, 0x18}));
CHECK(json::parse("24") == json::from_cbor(std::vector<uint8_t>({0x18, 0x18})));
CHECK(json::to_cbor(json::parse("25")) == std::vector<uint8_t>({0x18, 0x19}));
CHECK(json::parse("25") == json::from_cbor(std::vector<uint8_t>({0x18, 0x19})));
CHECK(json::to_cbor(json::parse("100")) == std::vector<uint8_t>({0x18, 0x64}));
CHECK(json::parse("100") == json::from_cbor(std::vector<uint8_t>({0x18, 0x64})));
CHECK(json::to_cbor(json::parse("1000")) == std::vector<uint8_t>({0x19, 0x03, 0xe8}));
CHECK(json::parse("1000") == json::from_cbor(std::vector<uint8_t>({0x19, 0x03, 0xe8})));
CHECK(json::to_cbor(json::parse("1000000")) == std::vector<uint8_t>({0x1a, 0x00, 0x0f, 0x42, 0x40}));
CHECK(json::parse("1000000") == json::from_cbor(std::vector<uint8_t>({0x1a, 0x00, 0x0f, 0x42, 0x40})));
CHECK(json::to_cbor(json::parse("1000000000000")) == std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0xe8, 0xd4, 0xa5, 0x10, 0x00}));
CHECK(json::parse("1000000000000") == json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0xe8, 0xd4, 0xa5, 0x10, 0x00})));
CHECK(json::to_cbor(json::parse("18446744073709551615")) == std::vector<uint8_t>({0x1b, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}));
CHECK(json::parse("18446744073709551615") == json::from_cbor(std::vector<uint8_t>({0x1b, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff})));
// positive bignum is not supported
//CHECK(json::to_cbor(json::parse("18446744073709551616")) == std::vector<uint8_t>({0xc2, 0x49, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}));
//CHECK(json::parse("18446744073709551616") == json::from_cbor(std::vector<uint8_t>({0xc2, 0x49, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})));
//CHECK(json::to_cbor(json::parse("-18446744073709551616")) == std::vector<uint8_t>({0x3b, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}));
//CHECK(json::parse("-18446744073709551616") == json::from_cbor(std::vector<uint8_t>({0x3b, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff})));
// negative bignum is not supported
//CHECK(json::to_cbor(json::parse("-18446744073709551617")) == std::vector<uint8_t>({0xc3, 0x49, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}));
//CHECK(json::parse("-18446744073709551617") == json::from_cbor(std::vector<uint8_t>({0xc3, 0x49, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})));
CHECK(json::to_cbor(json::parse("-1")) == std::vector<uint8_t>({0x20}));
CHECK(json::parse("-1") == json::from_cbor(std::vector<uint8_t>({0x20})));
CHECK(json::to_cbor(json::parse("-10")) == std::vector<uint8_t>({0x29}));
CHECK(json::parse("-10") == json::from_cbor(std::vector<uint8_t>({0x29})));
CHECK(json::to_cbor(json::parse("-100")) == std::vector<uint8_t>({0x38, 0x63}));
CHECK(json::parse("-100") == json::from_cbor(std::vector<uint8_t>({0x38, 0x63})));
CHECK(json::to_cbor(json::parse("-1000")) == std::vector<uint8_t>({0x39, 0x03, 0xe7}));
CHECK(json::parse("-1000") == json::from_cbor(std::vector<uint8_t>({0x39, 0x03, 0xe7})));
// half-precision float
//CHECK(json::to_cbor(json::parse("0.0")) == std::vector<uint8_t>({0xf9, 0x00, 0x00}));
CHECK(json::parse("0.0") == json::from_cbor(std::vector<uint8_t>({0xf9, 0x00, 0x00})));
// half-precision float
//CHECK(json::to_cbor(json::parse("-0.0")) == std::vector<uint8_t>({0xf9, 0x80, 0x00}));
CHECK(json::parse("-0.0") == json::from_cbor(std::vector<uint8_t>({0xf9, 0x80, 0x00})));
// half-precision float
//CHECK(json::to_cbor(json::parse("1.0")) == std::vector<uint8_t>({0xf9, 0x3c, 0x00}));
CHECK(json::parse("1.0") == json::from_cbor(std::vector<uint8_t>({0xf9, 0x3c, 0x00})));
CHECK(json::to_cbor(json::parse("1.1")) == std::vector<uint8_t>({0xfb, 0x3f, 0xf1, 0x99, 0x99, 0x99, 0x99, 0x99, 0x9a}));
CHECK(json::parse("1.1") == json::from_cbor(std::vector<uint8_t>({0xfb, 0x3f, 0xf1, 0x99, 0x99, 0x99, 0x99, 0x99, 0x9a})));
// half-precision float
//CHECK(json::to_cbor(json::parse("1.5")) == std::vector<uint8_t>({0xf9, 0x3e, 0x00}));
CHECK(json::parse("1.5") == json::from_cbor(std::vector<uint8_t>({0xf9, 0x3e, 0x00})));
// half-precision float
//CHECK(json::to_cbor(json::parse("65504.0")) == std::vector<uint8_t>({0xf9, 0x7b, 0xff}));
CHECK(json::parse("65504.0") == json::from_cbor(std::vector<uint8_t>({0xf9, 0x7b, 0xff})));
//CHECK(json::to_cbor(json::parse("100000.0")) == std::vector<uint8_t>({0xfa, 0x47, 0xc3, 0x50, 0x00}));
CHECK(json::parse("100000.0") == json::from_cbor(std::vector<uint8_t>({0xfa, 0x47, 0xc3, 0x50, 0x00})));
//CHECK(json::to_cbor(json::parse("3.4028234663852886e+38")) == std::vector<uint8_t>({0xfa, 0x7f, 0x7f, 0xff, 0xff}));
CHECK(json::parse("3.4028234663852886e+38") == json::from_cbor(std::vector<uint8_t>({0xfa, 0x7f, 0x7f, 0xff, 0xff})));
CHECK(json::to_cbor(json::parse("1.0e+300")) == std::vector<uint8_t>({0xfb, 0x7e, 0x37, 0xe4, 0x3c, 0x88, 0x00, 0x75, 0x9c}));
CHECK(json::parse("1.0e+300") == json::from_cbor(std::vector<uint8_t>({0xfb, 0x7e, 0x37, 0xe4, 0x3c, 0x88, 0x00, 0x75, 0x9c})));
// half-precision float
//CHECK(json::to_cbor(json::parse("5.960464477539063e-8")) == std::vector<uint8_t>({0xf9, 0x00, 0x01}));
CHECK(json::parse("-4.0") == json::from_cbor(std::vector<uint8_t>({0xf9, 0xc4, 0x00})));
// half-precision float
//CHECK(json::to_cbor(json::parse("0.00006103515625")) == std::vector<uint8_t>({0xf9, 0x04, 0x00}));
CHECK(json::parse("-4.0") == json::from_cbor(std::vector<uint8_t>({0xf9, 0xc4, 0x00})));
// half-precision float
//CHECK(json::to_cbor(json::parse("-4.0")) == std::vector<uint8_t>({0xf9, 0xc4, 0x00}));
CHECK(json::parse("-4.0") == json::from_cbor(std::vector<uint8_t>({0xf9, 0xc4, 0x00})));
CHECK(json::to_cbor(json::parse("-4.1")) == std::vector<uint8_t>({0xfb, 0xc0, 0x10, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66}));
CHECK(json::parse("-4.1") == json::from_cbor(std::vector<uint8_t>({0xfb, 0xc0, 0x10, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66})));
}
SECTION("simple values")
{
CHECK(json::to_cbor(json::parse("false")) == std::vector<uint8_t>({0xf4}));
CHECK(json::parse("false") == json::from_cbor(std::vector<uint8_t>({0xf4})));
CHECK(json::to_cbor(json::parse("true")) == std::vector<uint8_t>({0xf5}));
CHECK(json::parse("true") == json::from_cbor(std::vector<uint8_t>({0xf5})));
CHECK(json::to_cbor(json::parse("true")) == std::vector<uint8_t>({0xf5}));
CHECK(json::parse("true") == json::from_cbor(std::vector<uint8_t>({0xf5})));
}
SECTION("strings")
{
CHECK(json::to_cbor(json::parse("\"\"")) == std::vector<uint8_t>({0x60}));
CHECK(json::parse("\"\"") == json::from_cbor(std::vector<uint8_t>({0x60})));
CHECK(json::to_cbor(json::parse("\"a\"")) == std::vector<uint8_t>({0x61, 0x61}));
CHECK(json::parse("\"a\"") == json::from_cbor(std::vector<uint8_t>({0x61, 0x61})));
CHECK(json::to_cbor(json::parse("\"IETF\"")) == std::vector<uint8_t>({0x64, 0x49, 0x45, 0x54, 0x46}));
CHECK(json::parse("\"IETF\"") == json::from_cbor(std::vector<uint8_t>({0x64, 0x49, 0x45, 0x54, 0x46})));
CHECK(json::to_cbor(json::parse("\"\\u00fc\"")) == std::vector<uint8_t>({0x62, 0xc3, 0xbc}));
CHECK(json::parse("\"\\u00fc\"") == json::from_cbor(std::vector<uint8_t>({0x62, 0xc3, 0xbc})));
CHECK(json::to_cbor(json::parse("\"\\u6c34\"")) == std::vector<uint8_t>({0x63, 0xe6, 0xb0, 0xb4}));
CHECK(json::parse("\"\\u6c34\"") == json::from_cbor(std::vector<uint8_t>({0x63, 0xe6, 0xb0, 0xb4})));
CHECK(json::to_cbor(json::parse("\"\\ud800\\udd51\"")) == std::vector<uint8_t>({0x64, 0xf0, 0x90, 0x85, 0x91}));
CHECK(json::parse("\"\\ud800\\udd51\"") == json::from_cbor(std::vector<uint8_t>({0x64, 0xf0, 0x90, 0x85, 0x91})));
// indefinite length strings
CHECK(json::parse("\"streaming\"") == json::from_cbor(std::vector<uint8_t>({0x7f, 0x65, 0x73, 0x74, 0x72, 0x65, 0x61, 0x64, 0x6d, 0x69, 0x6e, 0x67, 0xff})));
}
SECTION("arrays")
{
CHECK(json::to_cbor(json::parse("[]")) == std::vector<uint8_t>({0x80}));
CHECK(json::parse("[]") == json::from_cbor(std::vector<uint8_t>({0x80})));
CHECK(json::to_cbor(json::parse("[1, 2, 3]")) == std::vector<uint8_t>({0x83, 0x01, 0x02, 0x03}));
CHECK(json::parse("[1, 2, 3]") == json::from_cbor(std::vector<uint8_t>({0x83, 0x01, 0x02, 0x03})));
CHECK(json::to_cbor(json::parse("[1, [2, 3], [4, 5]]")) == std::vector<uint8_t>({0x83, 0x01, 0x82, 0x02, 0x03, 0x82, 0x04, 0x05}));
CHECK(json::parse("[1, [2, 3], [4, 5]]") == json::from_cbor(std::vector<uint8_t>({0x83, 0x01, 0x82, 0x02, 0x03, 0x82, 0x04, 0x05})));
CHECK(json::to_cbor(json::parse("[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25]")) == std::vector<uint8_t>({0x98, 0x19, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x18, 0x18, 0x19}));
CHECK(json::parse("[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25]") == json::from_cbor(std::vector<uint8_t>({0x98, 0x19, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x18, 0x18, 0x19})));
// indefinite length arrays
CHECK(json::parse("[]") == json::from_cbor(std::vector<uint8_t>({0x9f, 0xff})));
CHECK(json::parse("[1, [2, 3], [4, 5]] ") == json::from_cbor(std::vector<uint8_t>({0x9f, 0x01, 0x82, 0x02, 0x03, 0x9f, 0x04, 0x05, 0xff, 0xff})));
CHECK(json::parse("[1, [2, 3], [4, 5]]") == json::from_cbor(std::vector<uint8_t>({0x9f, 0x01, 0x82, 0x02, 0x03, 0x82, 0x04, 0x05, 0xff})));
CHECK(json::parse("[1, [2, 3], [4, 5]]") == json::from_cbor(std::vector<uint8_t>({0x83, 0x01, 0x82, 0x02, 0x03, 0x9f, 0x04, 0x05, 0xff})));
CHECK(json::parse("[1, [2, 3], [4, 5]]") == json::from_cbor(std::vector<uint8_t>({0x83, 0x01, 0x9f, 0x02, 0x03, 0xff, 0x82, 0x04, 0x05})));
CHECK(json::parse("[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25]") == json::from_cbor(std::vector<uint8_t>({0x9f, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x18, 0x18, 0x19, 0xff})));
}
SECTION("objects")
{
CHECK(json::to_cbor(json::parse("{}")) == std::vector<uint8_t>({0xa0}));
CHECK(json::parse("{}") == json::from_cbor(std::vector<uint8_t>({0xa0})));
CHECK(json::to_cbor(json::parse("{\"a\": 1, \"b\": [2, 3]}")) == std::vector<uint8_t>({0xa2, 0x61, 0x61, 0x01, 0x61, 0x62, 0x82, 0x02, 0x03}));
CHECK(json::parse("{\"a\": 1, \"b\": [2, 3]}") == json::from_cbor(std::vector<uint8_t>({0xa2, 0x61, 0x61, 0x01, 0x61, 0x62, 0x82, 0x02, 0x03})));
CHECK(json::to_cbor(json::parse("[\"a\", {\"b\": \"c\"}]")) == std::vector<uint8_t>({0x82, 0x61, 0x61, 0xa1, 0x61, 0x62, 0x61, 0x63}));
CHECK(json::parse("[\"a\", {\"b\": \"c\"}]") == json::from_cbor(std::vector<uint8_t>({0x82, 0x61, 0x61, 0xa1, 0x61, 0x62, 0x61, 0x63})));
CHECK(json::to_cbor(json::parse("{\"a\": \"A\", \"b\": \"B\", \"c\": \"C\", \"d\": \"D\", \"e\": \"E\"}")) == std::vector<uint8_t>({0xa5, 0x61, 0x61, 0x61, 0x41, 0x61, 0x62, 0x61, 0x42, 0x61, 0x63, 0x61, 0x43, 0x61, 0x64, 0x61, 0x44, 0x61, 0x65, 0x61, 0x45}));
CHECK(json::parse("{\"a\": \"A\", \"b\": \"B\", \"c\": \"C\", \"d\": \"D\", \"e\": \"E\"}") == json::from_cbor(std::vector<uint8_t>({0xa5, 0x61, 0x61, 0x61, 0x41, 0x61, 0x62, 0x61, 0x42, 0x61, 0x63, 0x61, 0x43, 0x61, 0x64, 0x61, 0x44, 0x61, 0x65, 0x61, 0x45})));
// indefinite length objects
CHECK(json::parse("{\"a\": 1, \"b\": [2, 3]}") == json::from_cbor(std::vector<uint8_t>({0xbf, 0x61, 0x61, 0x01, 0x61, 0x62, 0x9f, 0x02, 0x03, 0xff, 0xff})));
CHECK(json::parse("[\"a\", {\"b\": \"c\"}]") == json::from_cbor(std::vector<uint8_t>({0x82, 0x61, 0x61, 0xbf, 0x61, 0x62, 0x61, 0x63, 0xff})));
CHECK(json::parse("{\"Fun\": true, \"Amt\": -2}") == json::from_cbor(std::vector<uint8_t>({0xbf, 0x63, 0x46, 0x75, 0x6e, 0xf5, 0x63, 0x41, 0x6d, 0x74, 0x21, 0xff})));
}
}
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