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3838 lines (3328 loc) · 190 KB
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// __ _____ _____ _____
// __| | __| | | | JSON for Modern C++ (supporting code)
// | | |__ | | | | | | version 3.12.0
// |_____|_____|_____|_|___| https://github.com/nlohmann/json
//
// SPDX-FileCopyrightText: 2013-2026 Niels Lohmann <https://nlohmann.me>
// SPDX-License-Identifier: MIT
#include "doctest_compatibility.h"
#define JSON_TESTS_PRIVATE
#include <nlohmann/json.hpp>
using nlohmann::json;
#include <algorithm>
#include <climits>
#include <limits>
#include <iostream>
#include <fstream>
#include <set>
#include "make_test_data_available.hpp"
#include "test_utils.hpp"
namespace
{
class SaxCountdown
{
public:
explicit SaxCountdown(const int count) : events_left(count)
{}
bool null()
{
return events_left-- > 0;
}
bool boolean(bool /*unused*/)
{
return events_left-- > 0;
}
bool number_integer(json::number_integer_t /*unused*/)
{
return events_left-- > 0;
}
bool number_unsigned(json::number_unsigned_t /*unused*/)
{
return events_left-- > 0;
}
bool number_float(json::number_float_t /*unused*/, const std::string& /*unused*/)
{
return events_left-- > 0;
}
bool string(std::string& /*unused*/)
{
return events_left-- > 0;
}
bool binary(std::vector<std::uint8_t>& /*unused*/)
{
return events_left-- > 0;
}
bool start_object(std::size_t /*unused*/)
{
return events_left-- > 0;
}
bool key(std::string& /*unused*/)
{
return events_left-- > 0;
}
bool end_object()
{
return events_left-- > 0;
}
bool start_array(std::size_t /*unused*/)
{
return events_left-- > 0;
}
bool end_array()
{
return events_left-- > 0;
}
bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, const json::exception& /*unused*/) // NOLINT(readability-convert-member-functions-to-static)
{
return false;
}
private:
int events_left = 0;
};
} // namespace
// at some point in the future, a unit test dedicated to type traits might be a good idea
template <typename OfType, typename T, bool MinInRange, bool MaxInRange>
struct trait_test_arg
{
using of_type = OfType;
using type = T;
static constexpr bool min_in_range = MinInRange;
static constexpr bool max_in_range = MaxInRange;
};
TEST_CASE_TEMPLATE_DEFINE("value_in_range_of trait", T, value_in_range_of_test) // NOLINT(readability-math-missing-parentheses)
{
using nlohmann::detail::value_in_range_of;
using of_type = typename T::of_type;
using type = typename T::type;
constexpr bool min_in_range = T::min_in_range;
constexpr bool max_in_range = T::max_in_range;
type const val_min = std::numeric_limits<type>::min();
type const val_min2 = val_min + 1;
type const val_max = std::numeric_limits<type>::max();
type const val_max2 = val_max - 1;
REQUIRE(CHAR_BIT == 8);
std::string of_type_str;
if (std::is_unsigned<of_type>::value)
{
of_type_str += "u";
}
of_type_str += "int";
of_type_str += std::to_string(sizeof(of_type) * 8);
INFO("of_type := ", of_type_str);
std::string type_str;
if (std::is_unsigned<type>::value)
{
type_str += "u";
}
type_str += "int";
type_str += std::to_string(sizeof(type) * 8);
INFO("type := ", type_str);
CAPTURE(val_min);
CAPTURE(min_in_range);
CAPTURE(val_max);
CAPTURE(max_in_range);
if (min_in_range)
{
CHECK(value_in_range_of<of_type>(val_min));
CHECK(value_in_range_of<of_type>(val_min2));
}
else
{
CHECK_FALSE(value_in_range_of<of_type>(val_min));
CHECK_FALSE(value_in_range_of<of_type>(val_min2));
}
if (max_in_range)
{
CHECK(value_in_range_of<of_type>(val_max));
CHECK(value_in_range_of<of_type>(val_max2));
}
else
{
CHECK_FALSE(value_in_range_of<of_type>(val_max));
CHECK_FALSE(value_in_range_of<of_type>(val_max2));
}
}
// NOLINTNEXTLINE(bugprone-throwing-static-initialization)
TEST_CASE_TEMPLATE_INVOKE(value_in_range_of_test, \
trait_test_arg<std::int32_t, std::int32_t, true, true>, \
trait_test_arg<std::int32_t, std::uint32_t, true, false>, \
trait_test_arg<std::uint32_t, std::int32_t, false, true>, \
trait_test_arg<std::uint32_t, std::uint32_t, true, true>, \
trait_test_arg<std::int32_t, std::int64_t, false, false>, \
trait_test_arg<std::int32_t, std::uint64_t, true, false>, \
trait_test_arg<std::uint32_t, std::int64_t, false, false>, \
trait_test_arg<std::uint32_t, std::uint64_t, true, false>, \
trait_test_arg<std::int64_t, std::int32_t, true, true>, \
trait_test_arg<std::int64_t, std::uint32_t, true, true>, \
trait_test_arg<std::uint64_t, std::int32_t, false, true>, \
trait_test_arg<std::uint64_t, std::uint32_t, true, true>, \
trait_test_arg<std::int64_t, std::int64_t, true, true>, \
trait_test_arg<std::int64_t, std::uint64_t, true, false>, \
trait_test_arg<std::uint64_t, std::int64_t, false, true>, \
trait_test_arg<std::uint64_t, std::uint64_t, true, true>);
#if SIZE_MAX == 0xffffffff
TEST_CASE_TEMPLATE_INVOKE(value_in_range_of_test, \
trait_test_arg<std::size_t, std::int32_t, false, true>, \
trait_test_arg<std::size_t, std::uint32_t, true, true>, \
trait_test_arg<std::size_t, std::int64_t, false, false>, \
trait_test_arg<std::size_t, std::uint64_t, true, false>);
#else
// NOLINTNEXTLINE(bugprone-throwing-static-initialization)
TEST_CASE_TEMPLATE_INVOKE(value_in_range_of_test, \
trait_test_arg<std::size_t, std::int32_t, false, true>, \
trait_test_arg<std::size_t, std::uint32_t, true, true>, \
trait_test_arg<std::size_t, std::int64_t, false, true>, \
trait_test_arg<std::size_t, std::uint64_t, true, true>);
#endif
TEST_CASE("BJData")
{
SECTION("binary_reader BJData LUT arrays are sorted")
{
std::vector<std::uint8_t> const data;
auto ia = nlohmann::detail::input_adapter(data);
// NOLINTNEXTLINE(hicpp-move-const-arg,performance-move-const-arg)
nlohmann::detail::binary_reader<json, decltype(ia)> const br{std::move(ia), json::input_format_t::bjdata};
CHECK(std::is_sorted(br.bjd_optimized_type_markers.begin(), br.bjd_optimized_type_markers.end()));
CHECK(std::is_sorted(br.bjd_types_map.begin(), br.bjd_types_map.end()));
}
SECTION("individual values")
{
SECTION("discarded")
{
// discarded values are not serialized
json const j = json::value_t::discarded;
const auto result = json::to_bjdata(j);
CHECK(result.empty());
}
SECTION("null")
{
json const j = nullptr;
std::vector<uint8_t> const expected = {'Z'};
const auto result = json::to_bjdata(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_bjdata(result) == j);
CHECK(json::from_bjdata(result, true, false) == j);
}
SECTION("boolean")
{
SECTION("true")
{
json const j = true;
std::vector<uint8_t> const expected = {'T'};
const auto result = json::to_bjdata(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_bjdata(result) == j);
CHECK(json::from_bjdata(result, true, false) == j);
}
SECTION("false")
{
json const j = false;
std::vector<uint8_t> const expected = {'F'};
const auto result = json::to_bjdata(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_bjdata(result) == j);
CHECK(json::from_bjdata(result, true, false) == j);
}
}
SECTION("byte")
{
SECTION("0..255 (uint8)")
{
for (size_t i = 0; i <= 255; ++i)
{
CAPTURE(i)
// create JSON value with integer number (no byte type in JSON)
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 byte vector
std::vector<uint8_t> const value
{
static_cast<uint8_t>('B'),
static_cast<uint8_t>(i),
};
// compare value
CHECK(json::from_bjdata(value) == j);
}
}
}
SECTION("number")
{
SECTION("signed")
{
SECTION("-9223372036854775808..-2147483649 (int64)")
{
std::vector<int64_t> const numbers
{
(std::numeric_limits<int64_t>::min)(),
-1000000000000000000LL,
-100000000000000000LL,
-10000000000000000LL,
-1000000000000000LL,
-100000000000000LL,
-10000000000000LL,
-1000000000000LL,
-100000000000LL,
-10000000000LL,
-2147483649LL,
};
for (const auto i : numbers)
{
CAPTURE(i)
// create JSON value with integer number
json const j = i;
// check type
CHECK(j.is_number_integer());
// create expected byte vector
std::vector<uint8_t> const expected
{
static_cast<uint8_t>('L'),
static_cast<uint8_t>(i & 0xff),
static_cast<uint8_t>((i >> 8) & 0xff),
static_cast<uint8_t>((i >> 16) & 0xff),
static_cast<uint8_t>((i >> 24) & 0xff),
static_cast<uint8_t>((i >> 32) & 0xff),
static_cast<uint8_t>((i >> 40) & 0xff),
static_cast<uint8_t>((i >> 48) & 0xff),
static_cast<uint8_t>((i >> 56) & 0xff),
};
// compare result + size
const auto result = json::to_bjdata(j);
CHECK(result == expected);
CHECK(result.size() == 9);
// check individual bytes
CHECK(result[0] == 'L');
int64_t const restored = (static_cast<int64_t>(result[8]) << 070) +
(static_cast<int64_t>(result[7]) << 060) +
(static_cast<int64_t>(result[6]) << 050) +
(static_cast<int64_t>(result[5]) << 040) +
(static_cast<int64_t>(result[4]) << 030) +
(static_cast<int64_t>(result[3]) << 020) +
(static_cast<int64_t>(result[2]) << 010) +
static_cast<int64_t>(result[1]);
CHECK(restored == i);
// roundtrip
CHECK(json::from_bjdata(result) == j);
CHECK(json::from_bjdata(result, true, false) == j);
}
}
SECTION("-2147483648..-32769 (int32)")
{
std::vector<int32_t> const numbers
{
-32769,
-100000,
-1000000,
-10000000,
-100000000,
-1000000000,
-2147483647 - 1, // https://stackoverflow.com/a/29356002/266378
};
for (const auto i : numbers)
{
CAPTURE(i)
// create JSON value with integer number
json const j = i;
// check type
CHECK(j.is_number_integer());
// create expected byte vector
std::vector<uint8_t> const expected
{
static_cast<uint8_t>('l'),
static_cast<uint8_t>(i & 0xff),
static_cast<uint8_t>((i >> 8) & 0xff),
static_cast<uint8_t>((i >> 16) & 0xff),
static_cast<uint8_t>((i >> 24) & 0xff),
};
// compare result + size
const auto result = json::to_bjdata(j);
CHECK(result == expected);
CHECK(result.size() == 5);
// check individual bytes
CHECK(result[0] == 'l');
int32_t const restored = (static_cast<int32_t>(result[4]) << 030) +
(static_cast<int32_t>(result[3]) << 020) +
(static_cast<int32_t>(result[2]) << 010) +
static_cast<int32_t>(result[1]);
CHECK(restored == i);
// roundtrip
CHECK(json::from_bjdata(result) == j);
CHECK(json::from_bjdata(result, true, false) == j);
}
}
SECTION("-32768..-129 (int16)")
{
for (int32_t i = -32768; i <= -129; ++i)
{
CAPTURE(i)
// create JSON value with integer number
json const j = i;
// check type
CHECK(j.is_number_integer());
// create expected byte vector
std::vector<uint8_t> const expected
{
static_cast<uint8_t>('I'),
static_cast<uint8_t>(i & 0xff),
static_cast<uint8_t>((i >> 8) & 0xff),
};
// compare result + size
const auto result = json::to_bjdata(j);
CHECK(result == expected);
CHECK(result.size() == 3);
// check individual bytes
CHECK(result[0] == 'I');
auto const restored = static_cast<int16_t>(((result[2] << 8) + result[1]));
CHECK(restored == i);
// roundtrip
CHECK(json::from_bjdata(result) == j);
CHECK(json::from_bjdata(result, true, false) == j);
}
}
SECTION("-9263 (int16)")
{
json const j = -9263;
std::vector<uint8_t> const expected = {'I', 0xd1, 0xdb};
// compare result + size
const auto result = json::to_bjdata(j);
CHECK(result == expected);
CHECK(result.size() == 3);
// check individual bytes
CHECK(result[0] == 'I');
auto const restored = static_cast<int16_t>(((result[2] << 8) + result[1]));
CHECK(restored == -9263);
// roundtrip
CHECK(json::from_bjdata(result) == j);
CHECK(json::from_bjdata(result, true, false) == j);
}
SECTION("-128..-1 (int8)")
{
for (auto i = -128; i <= -1; ++i)
{
CAPTURE(i)
// create JSON value with integer number
json const j = i;
// check type
CHECK(j.is_number_integer());
// create expected byte vector
std::vector<uint8_t> const expected
{
'i',
static_cast<uint8_t>(i),
};
// compare result + size
const auto result = json::to_bjdata(j);
CHECK(result == expected);
CHECK(result.size() == 2);
// check individual bytes
CHECK(result[0] == 'i');
CHECK(static_cast<int8_t>(result[1]) == i);
// roundtrip
CHECK(json::from_bjdata(result) == j);
CHECK(json::from_bjdata(result, true, false) == j);
}
}
SECTION("0..127 (int8)")
{
for (size_t i = 0; i <= 127; ++i)
{
CAPTURE(i)
// create JSON value with integer number
json j = -1;
j.get_ref<json::number_integer_t&>() = static_cast<json::number_integer_t>(i);
// check type
CHECK(j.is_number_integer());
// create expected byte vector
std::vector<uint8_t> const expected
{
static_cast<uint8_t>('i'),
static_cast<uint8_t>(i),
};
// compare result + size
const auto result = json::to_bjdata(j);
CHECK(result == expected);
CHECK(result.size() == 2);
// check individual bytes
CHECK(result[0] == 'i');
CHECK(result[1] == i);
// roundtrip
CHECK(json::from_bjdata(result) == j);
CHECK(json::from_bjdata(result, true, false) == j);
}
}
SECTION("128..255 (uint8)")
{
for (size_t i = 128; i <= 255; ++i)
{
CAPTURE(i)
// create JSON value with integer number
json j = -1;
j.get_ref<json::number_integer_t&>() = static_cast<json::number_integer_t>(i);
// check type
CHECK(j.is_number_integer());
// create expected byte vector
std::vector<uint8_t> const expected
{
static_cast<uint8_t>('U'),
static_cast<uint8_t>(i),
};
// compare result + size
const auto result = json::to_bjdata(j);
CHECK(result == expected);
CHECK(result.size() == 2);
// check individual bytes
CHECK(result[0] == 'U');
CHECK(result[1] == i);
// roundtrip
CHECK(json::from_bjdata(result) == j);
CHECK(json::from_bjdata(result, true, false) == j);
}
}
SECTION("256..32767 (int16)")
{
for (size_t i = 256; i <= 32767; ++i)
{
CAPTURE(i)
// create JSON value with integer number
json j = -1;
j.get_ref<json::number_integer_t&>() = static_cast<json::number_integer_t>(i);
// check type
CHECK(j.is_number_integer());
// create expected byte vector
std::vector<uint8_t> const expected
{
static_cast<uint8_t>('I'),
static_cast<uint8_t>(i & 0xff),
static_cast<uint8_t>((i >> 8) & 0xff),
};
// compare result + size
const auto result = json::to_bjdata(j);
CHECK(result == expected);
CHECK(result.size() == 3);
// check individual bytes
CHECK(result[0] == 'I');
auto const restored = static_cast<uint16_t>((static_cast<uint8_t>(result[2]) * 256) + static_cast<uint8_t>(result[1]));
CHECK(restored == i);
// roundtrip
CHECK(json::from_bjdata(result) == j);
CHECK(json::from_bjdata(result, true, false) == j);
}
}
SECTION("32768..65535 (uint16)")
{
for (const uint32_t i :
{
32768u, 55555u, 65535u
})
{
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> const expected
{
static_cast<uint8_t>('u'),
static_cast<uint8_t>(i & 0xff),
static_cast<uint8_t>((i >> 8) & 0xff),
};
// compare result + size
const auto result = json::to_bjdata(j);
CHECK(result == expected);
CHECK(result.size() == 3);
// check individual bytes
CHECK(result[0] == 'u');
auto const restored = static_cast<uint16_t>((static_cast<uint8_t>(result[2]) * 256) + static_cast<uint8_t>(result[1]));
CHECK(restored == i);
// roundtrip
CHECK(json::from_bjdata(result) == j);
CHECK(json::from_bjdata(result, true, false) == j);
}
}
SECTION("65536..2147483647 (int32)")
{
for (const uint32_t i :
{
65536u, 77777u, 2147483647u
})
{
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> const expected
{
'l',
static_cast<uint8_t>(i & 0xff),
static_cast<uint8_t>((i >> 8) & 0xff),
static_cast<uint8_t>((i >> 16) & 0xff),
static_cast<uint8_t>((i >> 24) & 0xff),
};
// compare result + size
const auto result = json::to_bjdata(j);
CHECK(result == expected);
CHECK(result.size() == 5);
// check individual bytes
CHECK(result[0] == 'l');
uint32_t const restored = (static_cast<uint32_t>(result[4]) << 030) +
(static_cast<uint32_t>(result[3]) << 020) +
(static_cast<uint32_t>(result[2]) << 010) +
static_cast<uint32_t>(result[1]);
CHECK(restored == i);
// roundtrip
CHECK(json::from_bjdata(result) == j);
CHECK(json::from_bjdata(result, true, false) == j);
}
}
SECTION("2147483648..4294967295 (uint32)")
{
for (const uint32_t i :
{
2147483648u, 3333333333u, 4294967295u
})
{
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> const expected
{
'm',
static_cast<uint8_t>(i & 0xff),
static_cast<uint8_t>((i >> 8) & 0xff),
static_cast<uint8_t>((i >> 16) & 0xff),
static_cast<uint8_t>((i >> 24) & 0xff),
};
// compare result + size
const auto result = json::to_bjdata(j);
CHECK(result == expected);
CHECK(result.size() == 5);
// check individual bytes
CHECK(result[0] == 'm');
uint32_t const restored = (static_cast<uint32_t>(result[4]) << 030) +
(static_cast<uint32_t>(result[3]) << 020) +
(static_cast<uint32_t>(result[2]) << 010) +
static_cast<uint32_t>(result[1]);
CHECK(restored == i);
// roundtrip
CHECK(json::from_bjdata(result) == j);
CHECK(json::from_bjdata(result, true, false) == j);
}
}
SECTION("4294967296..9223372036854775807 (int64)")
{
std::vector<uint64_t> const v = {4294967296LU, 9223372036854775807LU};
for (const uint64_t i : v)
{
CAPTURE(i)
// create JSON value with integer number
json j = -1;
j.get_ref<json::number_integer_t&>() = static_cast<json::number_integer_t>(i);
// check type
CHECK(j.is_number_integer());
// create expected byte vector
std::vector<uint8_t> const expected
{
'L',
static_cast<uint8_t>(i & 0xff),
static_cast<uint8_t>((i >> 010) & 0xff),
static_cast<uint8_t>((i >> 020) & 0xff),
static_cast<uint8_t>((i >> 030) & 0xff),
static_cast<uint8_t>((i >> 040) & 0xff),
static_cast<uint8_t>((i >> 050) & 0xff),
static_cast<uint8_t>((i >> 060) & 0xff),
static_cast<uint8_t>((i >> 070) & 0xff),
};
// compare result + size
const auto result = json::to_bjdata(j);
CHECK(result == expected);
CHECK(result.size() == 9);
// check individual bytes
CHECK(result[0] == 'L');
uint64_t const restored = (static_cast<uint64_t>(result[8]) << 070) +
(static_cast<uint64_t>(result[7]) << 060) +
(static_cast<uint64_t>(result[6]) << 050) +
(static_cast<uint64_t>(result[5]) << 040) +
(static_cast<uint64_t>(result[4]) << 030) +
(static_cast<uint64_t>(result[3]) << 020) +
(static_cast<uint64_t>(result[2]) << 010) +
static_cast<uint64_t>(result[1]);
CHECK(restored == i);
// roundtrip
CHECK(json::from_bjdata(result) == j);
CHECK(json::from_bjdata(result, true, false) == j);
}
}
SECTION("9223372036854775808..18446744073709551615 (uint64)")
{
std::vector<uint64_t> const v = {9223372036854775808ull, 18446744073709551615ull};
for (const uint64_t i : v)
{
CAPTURE(i)
// create JSON value with integer number
json const j = i;
// check type
CHECK(j.is_number_unsigned());
// create expected byte vector
std::vector<uint8_t> const expected
{
'M',
static_cast<uint8_t>(i & 0xff),
static_cast<uint8_t>((i >> 010) & 0xff),
static_cast<uint8_t>((i >> 020) & 0xff),
static_cast<uint8_t>((i >> 030) & 0xff),
static_cast<uint8_t>((i >> 040) & 0xff),
static_cast<uint8_t>((i >> 050) & 0xff),
static_cast<uint8_t>((i >> 060) & 0xff),
static_cast<uint8_t>((i >> 070) & 0xff),
};
// compare result + size
const auto result = json::to_bjdata(j);
CHECK(result == expected);
CHECK(result.size() == 9);
// check individual bytes
CHECK(result[0] == 'M');
uint64_t const restored = (static_cast<uint64_t>(result[8]) << 070) +
(static_cast<uint64_t>(result[7]) << 060) +
(static_cast<uint64_t>(result[6]) << 050) +
(static_cast<uint64_t>(result[5]) << 040) +
(static_cast<uint64_t>(result[4]) << 030) +
(static_cast<uint64_t>(result[3]) << 020) +
(static_cast<uint64_t>(result[2]) << 010) +
static_cast<uint64_t>(result[1]);
CHECK(restored == i);
// roundtrip
CHECK(json::from_bjdata(result) == j);
CHECK(json::from_bjdata(result, true, false) == j);
}
}
}
SECTION("unsigned")
{
SECTION("0..127 (int8)")
{
for (size_t i = 0; i <= 127; ++i)
{
CAPTURE(i)
// create JSON value with unsigned integer number
json const j = i;
// check type
CHECK(j.is_number_unsigned());
// create expected byte vector
std::vector<uint8_t> const expected{'i', static_cast<uint8_t>(i)};
// compare result + size
const auto result = json::to_bjdata(j);
CHECK(result == expected);
CHECK(result.size() == 2);
// check individual bytes
CHECK(result[0] == 'i');
auto const restored = static_cast<uint8_t>(result[1]);
CHECK(restored == i);
// roundtrip
CHECK(json::from_bjdata(result) == j);
CHECK(json::from_bjdata(result, true, false) == j);
}
}
SECTION("128..255 (uint8)")
{
for (size_t i = 128; i <= 255; ++i)
{
CAPTURE(i)
// create JSON value with unsigned integer number
json const j = i;
// check type
CHECK(j.is_number_unsigned());
// create expected byte vector
std::vector<uint8_t> const expected{'U', static_cast<uint8_t>(i)};
// compare result + size
const auto result = json::to_bjdata(j);
CHECK(result == expected);
CHECK(result.size() == 2);
// check individual bytes
CHECK(result[0] == 'U');
auto const restored = static_cast<uint8_t>(result[1]);
CHECK(restored == i);
// roundtrip
CHECK(json::from_bjdata(result) == j);
CHECK(json::from_bjdata(result, true, false) == j);
}
}
SECTION("256..32767 (int16)")
{
for (size_t i = 256; i <= 32767; ++i)
{
CAPTURE(i)
// create JSON value with unsigned integer number
json const j = i;
// check type
CHECK(j.is_number_unsigned());
// create expected byte vector
std::vector<uint8_t> const expected
{
'I',
static_cast<uint8_t>(i & 0xff),
static_cast<uint8_t>((i >> 8) & 0xff),
};
// compare result + size
const auto result = json::to_bjdata(j);
CHECK(result == expected);
CHECK(result.size() == 3);
// check individual bytes
CHECK(result[0] == 'I');
auto const restored = static_cast<uint16_t>((static_cast<uint8_t>(result[2]) * 256) + static_cast<uint8_t>(result[1]));
CHECK(restored == i);
// roundtrip
CHECK(json::from_bjdata(result) == j);
CHECK(json::from_bjdata(result, true, false) == j);
}
}
SECTION("32768..65535 (uint16)")
{
for (const uint32_t i :
{
32768u, 55555u, 65535u
})
{
CAPTURE(i)
// create JSON value with unsigned integer number
json const j = i;
// check type
CHECK(j.is_number_unsigned());
// create expected byte vector
std::vector<uint8_t> const expected
{
'u',
static_cast<uint8_t>(i & 0xff),
static_cast<uint8_t>((i >> 8) & 0xff),
};
// compare result + size
const auto result = json::to_bjdata(j);
CHECK(result == expected);
CHECK(result.size() == 3);
// check individual bytes
CHECK(result[0] == 'u');
auto const restored = static_cast<uint16_t>((static_cast<uint8_t>(result[2]) * 256) + static_cast<uint8_t>(result[1]));
CHECK(restored == i);
// roundtrip
CHECK(json::from_bjdata(result) == j);
CHECK(json::from_bjdata(result, true, false) == j);
}
}
SECTION("65536..2147483647 (int32)")
{
for (const uint32_t i :
{
65536u, 77777u, 2147483647u
})
{
CAPTURE(i)
// create JSON value with unsigned integer number
json const j = i;
// check type
CHECK(j.is_number_unsigned());
// create expected byte vector