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fuchsia / third_party / json / aacdc6bbe32e0a0d6260d23b2c2555d0cb1debb1 / . / test / src / unit-cbor.cpp
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/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 3.7.1
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.
SPDX-License-Identifier: MIT
Copyright (c) 2013-2019 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 "doctest_compatibility.h"
DOCTEST_GCC_SUPPRESS_WARNING("-Wfloat-equal")
#include <nlohmann/json.hpp>
using nlohmann::json;
#include <fstream>
#include <sstream>
#include <iomanip>
#include <set>
namespace
{
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("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);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == 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>(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);
CHECK(json::from_cbor(result, true, false) == 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>(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);
CHECK(json::from_cbor(result, true, false) == 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<uint16_t>(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);
CHECK(json::from_cbor(result, true, false) == 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 = static_cast<int16_t>(-1 - ((result[1] << 8) + result[2]));
CHECK(restored == -9263);
// roundtrip
CHECK(json::from_cbor(result) == j);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == 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(static_cast<uint8_t>(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);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == 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<uint16_t>(static_cast<uint8_t>(result[1]) * 256 + static_cast<uint8_t>(result[2]));
CHECK(restored == i);
// roundtrip
CHECK(json::from_cbor(result) == j);
CHECK(json::from_cbor(result, true, false) == 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>(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);
CHECK(json::from_cbor(result, true, false) == 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>(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);
CHECK(json::from_cbor(result, true, false) == 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 = static_cast<int16_t>((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);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == 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<uint16_t>(static_cast<uint8_t>(result[1]) * 256 + static_cast<uint8_t>(result[2]));
CHECK(restored == i);
// roundtrip
CHECK(json::from_cbor(result) == j);
CHECK(json::from_cbor(result, true, false) == 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>(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);
CHECK(json::from_cbor(result, true, false) == 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>(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);
CHECK(json::from_cbor(result, true, false) == 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);
// roundtrip
CHECK(json::from_cbor(result) == j);
CHECK(json::from_cbor(result) == v);
CHECK(json::from_cbor(result, true, false) == j);
}
}
SECTION("half-precision float (edge cases)")
{
SECTION("errors")
{
SECTION("no byte follows")
{
json _;
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0xf9})), json::parse_error&);
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0xf9})),
"[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing CBOR number: unexpected end of input");
CHECK(json::from_cbor(std::vector<uint8_t>({0xf9}), true, false).is_discarded());
}
SECTION("only one byte follows")
{
json _;
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0xf9, 0x7c})), json::parse_error&);
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0xf9, 0x7c})),
"[json.exception.parse_error.110] parse error at byte 3: syntax error while parsing CBOR number: unexpected end of input");
CHECK(json::from_cbor(std::vector<uint8_t>({0xf9, 0x7c}), true, false).is_discarded());
}
}
SECTION("exp = 0b00000")
{
SECTION("0 (0 00000 0000000000)")
{
json j = json::from_cbor(std::vector<uint8_t>({0xf9, 0x00, 0x00}));
json::number_float_t d = j;
CHECK(d == 0.0);
}
SECTION("-0 (1 00000 0000000000)")
{
json j = json::from_cbor(std::vector<uint8_t>({0xf9, 0x80, 0x00}));
json::number_float_t d = j;
CHECK(d == -0.0);
}
SECTION("2**-24 (0 00000 0000000001)")
{
json j = json::from_cbor(std::vector<uint8_t>({0xf9, 0x00, 0x01}));
json::number_float_t d = j;
CHECK(d == std::pow(2.0, -24.0));
}
}
SECTION("exp = 0b11111")
{
SECTION("infinity (0 11111 0000000000)")
{
json j = json::from_cbor(std::vector<uint8_t>({0xf9, 0x7c, 0x00}));
json::number_float_t d = j;
CHECK(d == std::numeric_limits<json::number_float_t>::infinity());
CHECK(j.dump() == "null");
}
SECTION("-infinity (1 11111 0000000000)")
{
json j = json::from_cbor(std::vector<uint8_t>({0xf9, 0xfc, 0x00}));
json::number_float_t d = j;
CHECK(d == -std::numeric_limits<json::number_float_t>::infinity());
CHECK(j.dump() == "null");
}
}
SECTION("other values from https://en.wikipedia.org/wiki/Half-precision_floating-point_format")
{
SECTION("1 (0 01111 0000000000)")
{
json j = json::from_cbor(std::vector<uint8_t>({0xf9, 0x3c, 0x00}));
json::number_float_t d = j;
CHECK(d == 1);
}
SECTION("-2 (1 10000 0000000000)")
{
json j = json::from_cbor(std::vector<uint8_t>({0xf9, 0xc0, 0x00}));
json::number_float_t d = j;
CHECK(d == -2);
}
SECTION("65504 (0 11110 1111111111)")
{
json j = json::from_cbor(std::vector<uint8_t>({0xf9, 0x7b, 0xff}));
json::number_float_t d = j;
CHECK(d == 65504);
}
}
SECTION("infinity")
{
json j = json::from_cbor(std::vector<uint8_t>({0xf9, 0x7c, 0x00}));
json::number_float_t d = j;
CHECK(not std::isfinite(d));
CHECK(j.dump() == "null");
}
SECTION("NaN")
{
json j = json::from_cbor(std::vector<uint8_t>({0xf9, 0x7c, 0x01}));
json::number_float_t d = j;
CHECK(std::isnan(d));
CHECK(j.dump() == "null");
}
}
}
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);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == 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);
CHECK(json::from_cbor(result, true, false) == j);
}
}
}
SECTION("additional 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("empty byte vector")
{
json _;
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>()), json::parse_error&);
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>()),
"[json.exception.parse_error.110] parse error at byte 1: syntax error while parsing CBOR value: unexpected end of input");
CHECK(json::from_cbor(std::vector<uint8_t>(), true, false).is_discarded());
}
SECTION("too short byte vector")
{
json _;
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x18})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x19})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x19, 0x00})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x1a})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x1a, 0x00})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x1a, 0x00, 0x00})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x1a, 0x00, 0x00, 0x00})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x1b})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x1b, 0x00})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x62})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x62, 0x60})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x7F})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x7F, 0x60})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x82, 0x01})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x9F, 0x01})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0xBF, 0x61, 0x61, 0xF5})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0xA1, 0x61, 0X61})), json::parse_error&);
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0xBF, 0x61, 0X61})), json::parse_error&);
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x18})),
"[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing CBOR number: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x19})),
"[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing CBOR number: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x19, 0x00})),
"[json.exception.parse_error.110] parse error at byte 3: syntax error while parsing CBOR number: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x1a})),
"[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing CBOR number: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x1a, 0x00})),
"[json.exception.parse_error.110] parse error at byte 3: syntax error while parsing CBOR number: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x1a, 0x00, 0x00})),
"[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing CBOR number: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x1a, 0x00, 0x00, 0x00})),
"[json.exception.parse_error.110] parse error at byte 5: syntax error while parsing CBOR number: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x1b})),
"[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing CBOR number: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x1b, 0x00})),
"[json.exception.parse_error.110] parse error at byte 3: syntax error while parsing CBOR number: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00})),
"[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing CBOR number: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00})),
"[json.exception.parse_error.110] parse error at byte 5: syntax error while parsing CBOR number: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00})),
"[json.exception.parse_error.110] parse error at byte 6: syntax error while parsing CBOR number: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00})),
"[json.exception.parse_error.110] parse error at byte 7: syntax error while parsing CBOR number: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})),
"[json.exception.parse_error.110] parse error at byte 8: syntax error while parsing CBOR number: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})),
"[json.exception.parse_error.110] parse error at byte 9: syntax error while parsing CBOR number: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x62})),
"[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing CBOR string: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x62, 0x60})),
"[json.exception.parse_error.110] parse error at byte 3: syntax error while parsing CBOR string: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x7F})),
"[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing CBOR string: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x7F, 0x60})),
"[json.exception.parse_error.110] parse error at byte 3: syntax error while parsing CBOR string: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x82, 0x01})),
"[json.exception.parse_error.110] parse error at byte 3: syntax error while parsing CBOR value: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x9F, 0x01})),
"[json.exception.parse_error.110] parse error at byte 3: syntax error while parsing CBOR value: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0xBF, 0x61, 0x61, 0xF5})),
"[json.exception.parse_error.110] parse error at byte 5: syntax error while parsing CBOR string: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0xA1, 0x61, 0x61})),
"[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing CBOR value: unexpected end of input");
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0xBF, 0x61, 0x61})),
"[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing CBOR value: unexpected end of input");
CHECK(json::from_cbor(std::vector<uint8_t>({0x18}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0x19}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0x19, 0x00}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0x1a}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0x1a, 0x00}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0x1a, 0x00, 0x00}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0x1a, 0x00, 0x00, 0x00}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0x1b}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0x62}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0x62, 0x60}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0x7F}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0x7F, 0x60}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0x82, 0x01}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0x9F, 0x01}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0xBF, 0x61, 0x61, 0xF5}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0xA1, 0x61, 0x61}), true, false).is_discarded());
CHECK(json::from_cbor(std::vector<uint8_t>({0xBF, 0x61, 0x61}), true, false).is_discarded());
}
SECTION("unsupported bytes")
{
SECTION("concrete examples")
{
json _;
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0x1c})), json::parse_error&);
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0x1c})),
"[json.exception.parse_error.112] parse error at byte 1: syntax error while parsing CBOR value: invalid byte: 0x1C");
CHECK(json::from_cbor(std::vector<uint8_t>({0x1c}), true, false).is_discarded());
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0xf8})), json::parse_error&);
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0xf8})),
"[json.exception.parse_error.112] parse error at byte 1: syntax error while parsing CBOR value: invalid byte: 0xF8");
CHECK(json::from_cbor(std::vector<uint8_t>({0xf8}), true, false).is_discarded());
}
SECTION("all unsupported bytes")
{
for (auto byte :
{
// ?
0x1c, 0x1d, 0x1e, 0x1f,
// ?
0x3c, 0x3d, 0x3e, 0x3f,
// byte strings
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
// byte strings
0x58, 0x59, 0x5a, 0x5b,
// ?
0x5c, 0x5d, 0x5e,
// byte string
0x5f,
// ?
0x7c, 0x7d, 0x7e,
// ?
0x9c, 0x9d, 0x9e,
// ?
0xbc, 0xbd, 0xbe,
// date/time
0xc0, 0xc1,
// bignum
0xc2, 0xc3,
// fraction
0xc4,
// bigfloat
0xc5,
// tagged item
0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4,
// expected conversion
0xd5, 0xd6, 0xd7,
// more tagged items
0xd8, 0xd9, 0xda, 0xdb,
// ?
0xdc, 0xdd, 0xde, 0xdf,
// (simple value)
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3,
// undefined
0xf7,
// simple value
0xf8
})
{
json _;
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({static_cast<uint8_t>(byte)})), json::parse_error&);
CHECK(json::from_cbor(std::vector<uint8_t>({static_cast<uint8_t>(byte)}), true, false).is_discarded());
}
}
}
SECTION("invalid string in map")
{
json _;
CHECK_THROWS_AS(_ = json::from_cbor(std::vector<uint8_t>({0xa1, 0xff, 0x01})), json::parse_error&);
CHECK_THROWS_WITH(_ = json::from_cbor(std::vector<uint8_t>({0xa1, 0xff, 0x01})),
"[json.exception.parse_error.113] parse error at byte 2: syntax error while parsing CBOR string: expected length specification (0x60-0x7B) or indefinite string type (0x7F); last byte: 0xFF");
CHECK(json::from_cbor(std::vector<uint8_t>({0xa1, 0xff, 0x01}), true, false).is_discarded());
}
SECTION("strict mode")
{
std::vector<uint8_t> vec = {0xf6, 0xf6};
SECTION("non-strict mode")
{
const auto result = json::from_cbor(vec, false);
CHECK(result == json());
CHECK(not json::from_cbor(vec, false, false).is_discarded());
}
SECTION("strict mode")
{
json _;
CHECK_THROWS_AS(_ = json::from_cbor(vec), json::parse_error&);
CHECK_THROWS_WITH(_ = json::from_cbor(vec),
"[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing CBOR value: expected end of input; last byte: 0xF6");
CHECK(json::from_cbor(vec, true, false).is_discarded());
}
}
}
SECTION("SAX aborts")
{
SECTION("start_array(len)")
{
std::vector<uint8_t> v = {0x83, 0x01, 0x02, 0x03};
SaxCountdown scp(0);
CHECK(not json::sax_parse(v, &scp, json::input_format_t::cbor));
}
SECTION("start_object(len)")
{
std::vector<uint8_t> v = {0xA1, 0x63, 0x66, 0x6F, 0x6F, 0xF4};
SaxCountdown scp(0);
CHECK(not json::sax_parse(v, &scp, json::input_format_t::cbor));
}
SECTION("key()")
{
std::vector<uint8_t> v = {0xA1, 0x63, 0x66, 0x6F, 0x6F, 0xF4};
SaxCountdown scp(1);
CHECK(not json::sax_parse(v, &scp, json::input_format_t::cbor));
}
}
}
// 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 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);
SECTION("roundtrips")
{
SECTION("std::ostringstream")
{
std::basic_ostringstream<std::uint8_t> ss;
json::to_cbor(j1, ss);
json j3 = json::from_cbor(ss.str());
CHECK(j1 == j3);
}
SECTION("std::string")
{
std::string s;
json::to_cbor(j1, s);
json j3 = json::from_cbor(s);
CHECK(j1 == j3);
}
}
// check with different start index
packed.insert(packed.begin(), 5, 0xff);
CHECK(j1 == json::from_cbor(packed.begin() + 5, packed.end()));
}
}
#if not defined(JSON_NOEXCEPTION)
TEST_CASE("CBOR regressions")
{
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 json::parse_error&)
{
// parsing a CBOR serialization must not fail
CHECK(false);
}
}
catch (const json::parse_error&)
{
// parse errors are ok, because input may be random bytes
}
}
}
}
#endif
TEST_CASE("CBOR roundtrips" * doctest::skip())
{
SECTION("input from flynn")
{
// most of these are excluded due to differences in key order (not a real problem)
auto exclude_packed = std::set<std::string>
{
"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_testsuite/sample.json", // kills AppVeyor
"test/data/json_tests/pass1.json",
"test/data/regression/working_file.json",
"test/data/nst_json_testsuite/test_parsing/y_object.json",
"test/data/nst_json_testsuite/test_parsing/y_object_duplicated_key.json",
"test/data/nst_json_testsuite/test_parsing/y_object_long_strings.json",
};
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)
{
INFO_WITH_TEMP(filename + ": std::vector<uint8_t>");
// 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);
}
{
INFO_WITH_TEMP(filename + ": std::ifstream");
// 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);
json j2;
CHECK_NOTHROW(j2 = json::from_cbor(f_cbor));
// compare parsed JSON values
CHECK(j1 == j2);
}
{
INFO_WITH_TEMP(filename + ": uint8_t* and size");
// 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.data(), packed.size()}));
// compare parsed JSON values
CHECK(j1 == j2);
}
{
INFO_WITH_TEMP(filename + ": output to output adapters");
// 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>());
if (!exclude_packed.count(filename))
{
{
INFO_WITH_TEMP(filename + ": output adapters: std::vector<uint8_t>");
std::vector<uint8_t> vec;
json::to_cbor(j1, vec);
CHECK(vec == packed);
}
}
}
}
}
}
#if not defined(JSON_NOEXCEPTION)
TEST_CASE("all CBOR first bytes")
{
// these bytes will fail immediately with exception parse_error.112
std::set<uint8_t> unsupported =
{
//// types not supported by this library
// byte strings
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
// byte strings
0x58, 0x59, 0x5a, 0x5b, 0x5f,
// date/time
0xc0, 0xc1,
// bignum
0xc2, 0xc3,
// decimal fracion
0xc4,
// bigfloat
0xc5,
// tagged item
0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd,
0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd8,
0xd9, 0xda, 0xdb,
// expected conversion
0xd5, 0xd6, 0xd7,
// simple value
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xef, 0xf0,
0xf1, 0xf2, 0xf3,
0xf8,
// undefined
0xf7,
//// bytes not specified by CBOR
0x1c, 0x1d, 0x1e, 0x1f,
0x3c, 0x3d, 0x3e, 0x3f,
0x5c, 0x5d, 0x5e,
0x7c, 0x7d, 0x7e,
0x9c, 0x9d, 0x9e,
0xbc, 0xbd, 0xbe,
0xdc, 0xdd, 0xde, 0xdf,
0xee,
0xfc, 0xfe, 0xfd,
/// break cannot be the first byte
0xff
};
for (auto i = 0; i < 256; ++i)
{
const auto byte = static_cast<uint8_t>(i);
try
{
auto res = json::from_cbor(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 in the unsupported set
INFO_WITH_TEMP(e.what());
if (std::find(unsupported.begin(), unsupported.end(), byte) != unsupported.end())
{
CHECK(e.id == 112);
}
else
{
CHECK(e.id != 112);
}
}
}
}
#endif
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})));
}
}