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-rw-r--r--json4cpp/tests/src/unit-ubjson.cpp2547
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diff --git a/json4cpp/tests/src/unit-ubjson.cpp b/json4cpp/tests/src/unit-ubjson.cpp
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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"
+
+#include <nlohmann/json.hpp>
+using nlohmann::json;
+
+#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
+
+TEST_CASE("UBJSON")
+{
+ SECTION("individual values")
+ {
+ SECTION("discarded")
+ {
+ // discarded values are not serialized
+ json const j = json::value_t::discarded;
+ const auto result = json::to_ubjson(j);
+ CHECK(result.empty());
+ }
+
+ SECTION("null")
+ {
+ json const j = nullptr;
+ std::vector<uint8_t> expected = {'Z'};
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("boolean")
+ {
+ SECTION("true")
+ {
+ json const j = true;
+ std::vector<uint8_t> const expected = {'T'};
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("false")
+ {
+ json const j = false;
+ std::vector<uint8_t> const expected = {'F'};
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("number")
+ {
+ SECTION("signed")
+ {
+ SECTION("-9223372036854775808..-2147483649 (int64)")
+ {
+ std::vector<int64_t> const numbers
+ {
+ (std::numeric_limits<int64_t>::min)(),
+ -1000000000000000000LL,
+ -100000000000000000LL,
+ -10000000000000000LL,
+ -1000000000000000LL,
+ -100000000000000LL,
+ -10000000000000LL,
+ -1000000000000LL,
+ -100000000000LL,
+ -10000000000LL,
+ -2147483649LL,
+ };
+ for (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 >> 56) & 0xff),
+ static_cast<uint8_t>((i >> 48) & 0xff),
+ static_cast<uint8_t>((i >> 40) & 0xff),
+ static_cast<uint8_t>((i >> 32) & 0xff),
+ static_cast<uint8_t>((i >> 24) & 0xff),
+ static_cast<uint8_t>((i >> 16) & 0xff),
+ static_cast<uint8_t>((i >> 8) & 0xff),
+ static_cast<uint8_t>(i & 0xff),
+ };
+
+ // compare result + size
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+ CHECK(result.size() == 9);
+
+ // check individual bytes
+ CHECK(result[0] == 'L');
+ int64_t const restored = (static_cast<int64_t>(result[1]) << 070) +
+ (static_cast<int64_t>(result[2]) << 060) +
+ (static_cast<int64_t>(result[3]) << 050) +
+ (static_cast<int64_t>(result[4]) << 040) +
+ (static_cast<int64_t>(result[5]) << 030) +
+ (static_cast<int64_t>(result[6]) << 020) +
+ (static_cast<int64_t>(result[7]) << 010) +
+ static_cast<int64_t>(result[8]);
+ CHECK(restored == i);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("-2147483648..-32769 (int32)")
+ {
+ std::vector<int32_t> numbers;
+ numbers.push_back(-32769);
+ numbers.push_back(-100000);
+ numbers.push_back(-1000000);
+ numbers.push_back(-10000000);
+ numbers.push_back(-100000000);
+ numbers.push_back(-1000000000);
+ numbers.push_back(-2147483647 - 1); // https://stackoverflow.com/a/29356002/266378
+ for (auto i : numbers)
+ {
+ CAPTURE(i)
+
+ // create JSON value with integer number
+ json 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 >> 24) & 0xff),
+ static_cast<uint8_t>((i >> 16) & 0xff),
+ static_cast<uint8_t>((i >> 8) & 0xff),
+ static_cast<uint8_t>(i & 0xff),
+ };
+
+ // compare result + size
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+ CHECK(result.size() == 5);
+
+ // check individual bytes
+ CHECK(result[0] == 'l');
+ int32_t const restored = (static_cast<int32_t>(result[1]) << 030) +
+ (static_cast<int32_t>(result[2]) << 020) +
+ (static_cast<int32_t>(result[3]) << 010) +
+ static_cast<int32_t>(result[4]);
+ CHECK(restored == i);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("-32768..-129 (int16)")
+ {
+ for (int32_t i = -32768; i <= -129; ++i)
+ {
+ CAPTURE(i)
+
+ // create JSON value with integer number
+ json 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 >> 8) & 0xff),
+ static_cast<uint8_t>(i & 0xff),
+ };
+
+ // compare result + size
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+ CHECK(result.size() == 3);
+
+ // check individual bytes
+ CHECK(result[0] == 'I');
+ auto const restored = static_cast<int16_t>(((result[1] << 8) + result[2]));
+ CHECK(restored == i);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("-9263 (int16)")
+ {
+ json const j = -9263;
+ std::vector<uint8_t> expected = {'I', 0xdb, 0xd1};
+
+ // compare result + size
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+ CHECK(result.size() == 3);
+
+ // check individual bytes
+ CHECK(result[0] == 'I');
+ auto const restored = static_cast<int16_t>(((result[1] << 8) + result[2]));
+ CHECK(restored == -9263);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("-128..-1 (int8)")
+ {
+ for (auto i = -128; i <= -1; ++i)
+ {
+ CAPTURE(i)
+
+ // create JSON value with integer number
+ json 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_ubjson(j);
+ CHECK(result == expected);
+ CHECK(result.size() == 2);
+
+ // check individual bytes
+ CHECK(result[0] == 'i');
+ CHECK(static_cast<int8_t>(result[1]) == i);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("0..127 (int8)")
+ {
+ for (size_t i = 0; i <= 127; ++i)
+ {
+ CAPTURE(i)
+
+ // create JSON value with integer number
+ json j = -1;
+ j.get_ref<json::number_integer_t&>() = static_cast<json::number_integer_t>(i);
+
+ // check type
+ CHECK(j.is_number_integer());
+
+ // create expected byte vector
+ std::vector<uint8_t> const expected
+ {
+ static_cast<uint8_t>('i'),
+ static_cast<uint8_t>(i),
+ };
+
+ // compare result + size
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+ CHECK(result.size() == 2);
+
+ // check individual bytes
+ CHECK(result[0] == 'i');
+ CHECK(result[1] == i);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("128..255 (uint8)")
+ {
+ for (size_t i = 128; i <= 255; ++i)
+ {
+ CAPTURE(i)
+
+ // create JSON value with integer number
+ json j = -1;
+ j.get_ref<json::number_integer_t&>() = static_cast<json::number_integer_t>(i);
+
+ // check type
+ CHECK(j.is_number_integer());
+
+ // create expected byte vector
+ std::vector<uint8_t> const expected
+ {
+ static_cast<uint8_t>('U'),
+ static_cast<uint8_t>(i),
+ };
+
+ // compare result + size
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+ CHECK(result.size() == 2);
+
+ // check individual bytes
+ CHECK(result[0] == 'U');
+ CHECK(result[1] == i);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("256..32767 (int16)")
+ {
+ for (size_t i = 256; i <= 32767; ++i)
+ {
+ CAPTURE(i)
+
+ // create JSON value with integer number
+ json j = -1;
+ j.get_ref<json::number_integer_t&>() = static_cast<json::number_integer_t>(i);
+
+ // check type
+ CHECK(j.is_number_integer());
+
+ // create expected byte vector
+ std::vector<uint8_t> const expected
+ {
+ static_cast<uint8_t>('I'),
+ static_cast<uint8_t>((i >> 8) & 0xff),
+ static_cast<uint8_t>(i & 0xff),
+ };
+
+ // compare result + size
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+ CHECK(result.size() == 3);
+
+ // check individual bytes
+ CHECK(result[0] == 'I');
+ auto const restored = static_cast<uint16_t>((static_cast<uint8_t>(result[1]) * 256) + static_cast<uint8_t>(result[2]));
+ CHECK(restored == i);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("65536..2147483647 (int32)")
+ {
+ for (uint32_t i :
+ {
+ 65536u, 77777u, 1048576u
+ })
+ {
+ CAPTURE(i)
+
+ // create JSON value with integer number
+ json j = -1;
+ j.get_ref<json::number_integer_t&>() = static_cast<json::number_integer_t>(i);
+
+ // check type
+ CHECK(j.is_number_integer());
+
+ // create expected byte vector
+ std::vector<uint8_t> const expected
+ {
+ 'l',
+ static_cast<uint8_t>((i >> 24) & 0xff),
+ static_cast<uint8_t>((i >> 16) & 0xff),
+ static_cast<uint8_t>((i >> 8) & 0xff),
+ static_cast<uint8_t>(i & 0xff),
+ };
+
+ // compare result + size
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+ CHECK(result.size() == 5);
+
+ // check individual bytes
+ CHECK(result[0] == 'l');
+ uint32_t const restored = (static_cast<uint32_t>(result[1]) << 030) +
+ (static_cast<uint32_t>(result[2]) << 020) +
+ (static_cast<uint32_t>(result[3]) << 010) +
+ static_cast<uint32_t>(result[4]);
+ CHECK(restored == i);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("2147483648..9223372036854775807 (int64)")
+ {
+ std::vector<uint64_t> const v = {2147483648ul, 9223372036854775807ul};
+ for (uint64_t i : v)
+ {
+ CAPTURE(i)
+
+ // create JSON value with integer number
+ json j = -1;
+ j.get_ref<json::number_integer_t&>() = static_cast<json::number_integer_t>(i);
+
+ // check type
+ CHECK(j.is_number_integer());
+
+ // create expected byte vector
+ std::vector<uint8_t> const expected
+ {
+ 'L',
+ static_cast<uint8_t>((i >> 070) & 0xff),
+ static_cast<uint8_t>((i >> 060) & 0xff),
+ static_cast<uint8_t>((i >> 050) & 0xff),
+ static_cast<uint8_t>((i >> 040) & 0xff),
+ static_cast<uint8_t>((i >> 030) & 0xff),
+ static_cast<uint8_t>((i >> 020) & 0xff),
+ static_cast<uint8_t>((i >> 010) & 0xff),
+ static_cast<uint8_t>(i & 0xff),
+ };
+
+ // compare result + size
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+ CHECK(result.size() == 9);
+
+ // check individual bytes
+ CHECK(result[0] == 'L');
+ uint64_t const restored = (static_cast<uint64_t>(result[1]) << 070) +
+ (static_cast<uint64_t>(result[2]) << 060) +
+ (static_cast<uint64_t>(result[3]) << 050) +
+ (static_cast<uint64_t>(result[4]) << 040) +
+ (static_cast<uint64_t>(result[5]) << 030) +
+ (static_cast<uint64_t>(result[6]) << 020) +
+ (static_cast<uint64_t>(result[7]) << 010) +
+ static_cast<uint64_t>(result[8]);
+ CHECK(restored == i);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+ }
+
+ SECTION("unsigned")
+ {
+ SECTION("0..127 (int8)")
+ {
+ for (size_t i = 0; i <= 127; ++i)
+ {
+ CAPTURE(i)
+
+ // create JSON value with unsigned integer number
+ json 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_ubjson(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_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("128..255 (uint8)")
+ {
+ for (size_t i = 128; i <= 255; ++i)
+ {
+ CAPTURE(i)
+
+ // create JSON value with unsigned integer number
+ json 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_ubjson(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_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("256..32767 (int16)")
+ {
+ for (size_t i = 256; i <= 32767; ++i)
+ {
+ CAPTURE(i)
+
+ // create JSON value with unsigned integer number
+ json 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 >> 8) & 0xff),
+ static_cast<uint8_t>(i & 0xff),
+ };
+
+ // compare result + size
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+ CHECK(result.size() == 3);
+
+ // check individual bytes
+ CHECK(result[0] == 'I');
+ auto const restored = static_cast<uint16_t>((static_cast<uint8_t>(result[1]) * 256) + static_cast<uint8_t>(result[2]));
+ CHECK(restored == i);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("65536..2147483647 (int32)")
+ {
+ for (uint32_t i :
+ {
+ 65536u, 77777u, 1048576u
+ })
+ {
+ CAPTURE(i)
+
+ // create JSON value with unsigned integer number
+ json const j = i;
+
+ // check type
+ CHECK(j.is_number_unsigned());
+
+ // create expected byte vector
+ std::vector<uint8_t> const expected
+ {
+ 'l',
+ static_cast<uint8_t>((i >> 24) & 0xff),
+ static_cast<uint8_t>((i >> 16) & 0xff),
+ static_cast<uint8_t>((i >> 8) & 0xff),
+ static_cast<uint8_t>(i & 0xff),
+ };
+
+ // compare result + size
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+ CHECK(result.size() == 5);
+
+ // check individual bytes
+ CHECK(result[0] == 'l');
+ uint32_t const restored = (static_cast<uint32_t>(result[1]) << 030) +
+ (static_cast<uint32_t>(result[2]) << 020) +
+ (static_cast<uint32_t>(result[3]) << 010) +
+ static_cast<uint32_t>(result[4]);
+ CHECK(restored == i);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("2147483648..9223372036854775807 (int64)")
+ {
+ std::vector<uint64_t> const v = {2147483648ul, 9223372036854775807ul};
+ for (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
+ {
+ 'L',
+ static_cast<uint8_t>((i >> 070) & 0xff),
+ static_cast<uint8_t>((i >> 060) & 0xff),
+ static_cast<uint8_t>((i >> 050) & 0xff),
+ static_cast<uint8_t>((i >> 040) & 0xff),
+ static_cast<uint8_t>((i >> 030) & 0xff),
+ static_cast<uint8_t>((i >> 020) & 0xff),
+ static_cast<uint8_t>((i >> 010) & 0xff),
+ static_cast<uint8_t>(i & 0xff),
+ };
+
+ // compare result + size
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+ CHECK(result.size() == 9);
+
+ // check individual bytes
+ CHECK(result[0] == 'L');
+ uint64_t const restored = (static_cast<uint64_t>(result[1]) << 070) +
+ (static_cast<uint64_t>(result[2]) << 060) +
+ (static_cast<uint64_t>(result[3]) << 050) +
+ (static_cast<uint64_t>(result[4]) << 040) +
+ (static_cast<uint64_t>(result[5]) << 030) +
+ (static_cast<uint64_t>(result[6]) << 020) +
+ (static_cast<uint64_t>(result[7]) << 010) +
+ static_cast<uint64_t>(result[8]);
+ CHECK(restored == i);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+ }
+
+ SECTION("float64")
+ {
+ SECTION("3.1415925")
+ {
+ double v = 3.1415925;
+ json const j = v;
+ std::vector<uint8_t> expected =
+ {
+ 'D', 0x40, 0x09, 0x21, 0xfb, 0x3f, 0xa6, 0xde, 0xfc
+ };
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result) == v);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("high-precision number")
+ {
+ SECTION("unsigned integer number")
+ {
+ std::vector<uint8_t> const vec = {'H', 'i', 0x14, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0'};
+ const auto j = json::from_ubjson(vec);
+ CHECK(j.is_number_unsigned());
+ CHECK(j.dump() == "12345678901234567890");
+ }
+
+ SECTION("signed integer number")
+ {
+ std::vector<uint8_t> const vec = {'H', 'i', 0x13, '-', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1', '2', '3', '4', '5', '6', '7', '8'};
+ const auto j = json::from_ubjson(vec);
+ CHECK(j.is_number_integer());
+ CHECK(j.dump() == "-123456789012345678");
+ }
+
+ SECTION("floating-point number")
+ {
+ std::vector<uint8_t> const vec = {'H', 'i', 0x16, '3', '.', '1', '4', '1', '5', '9', '2', '6', '5', '3', '5', '8', '9', '7', '9', '3', '2', '3', '8', '4', '6'};
+ const auto j = json::from_ubjson(vec);
+ CHECK(j.is_number_float());
+ CHECK(j.dump() == "3.141592653589793");
+ }
+
+ SECTION("errors")
+ {
+ // error while parsing length
+ std::vector<uint8_t> const vec0 = {'H', 'i'};
+ CHECK(json::from_ubjson(vec0, true, false).is_discarded());
+ // error while parsing string
+ std::vector<uint8_t> const vec1 = {'H', 'i', '1'};
+ CHECK(json::from_ubjson(vec1, true, false).is_discarded());
+
+ json _;
+ std::vector<uint8_t> const vec2 = {'H', 'i', 2, '1', 'A', '3'};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(vec2), "[json.exception.parse_error.115] parse error at byte 5: syntax error while parsing UBJSON high-precision number: invalid number text: 1A", json::parse_error);
+ std::vector<uint8_t> const vec3 = {'H', 'i', 2, '1', '.'};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(vec3), "[json.exception.parse_error.115] parse error at byte 5: syntax error while parsing UBJSON high-precision number: invalid number text: 1.", json::parse_error);
+ std::vector<uint8_t> const vec4 = {'H', 2, '1', '0'};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(vec4), "[json.exception.parse_error.113] parse error at byte 2: syntax error while parsing UBJSON size: expected length type specification (U, i, I, l, L) after '#'; last byte: 0x02", json::parse_error);
+ }
+
+ SECTION("serialization")
+ {
+ // number that does not fit int64
+ json const j = 11111111111111111111ULL;
+ CHECK(j.is_number_unsigned());
+
+ // number will be serialized to high-precision number
+ const auto vec = json::to_ubjson(j);
+ std::vector<uint8_t> expected = {'H', 'i', 0x14, '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1'};
+ CHECK(vec == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(vec) == j);
+ }
+ }
+ }
+
+ SECTION("string")
+ {
+ SECTION("N = 0..127")
+ {
+ for (size_t N = 0; N <= 127; ++N)
+ {
+ CAPTURE(N)
+
+ // create JSON value with string containing of N * 'x'
+ const auto s = std::string(N, 'x');
+ json const j = s;
+
+ // create expected byte vector
+ std::vector<uint8_t> expected;
+ expected.push_back('S');
+ expected.push_back('i');
+ expected.push_back(static_cast<uint8_t>(N));
+ for (size_t i = 0; i < N; ++i)
+ {
+ expected.push_back('x');
+ }
+
+ // compare result + size
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+ CHECK(result.size() == N + 3);
+ // check that no null byte is appended
+ if (N > 0)
+ {
+ CHECK(result.back() != '\x00');
+ }
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("N = 128..255")
+ {
+ for (size_t N = 128; N <= 255; ++N)
+ {
+ CAPTURE(N)
+
+ // create JSON value with string containing of N * 'x'
+ const auto s = std::string(N, 'x');
+ json const j = s;
+
+ // create expected byte vector
+ std::vector<uint8_t> expected;
+ expected.push_back('S');
+ expected.push_back('U');
+ expected.push_back(static_cast<uint8_t>(N));
+ for (size_t i = 0; i < N; ++i)
+ {
+ expected.push_back('x');
+ }
+
+ // compare result + size
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+ CHECK(result.size() == N + 3);
+ // check that no null byte is appended
+ CHECK(result.back() != '\x00');
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("N = 256..32767")
+ {
+ for (size_t N :
+ {
+ 256u, 999u, 1025u, 3333u, 2048u, 32767u
+ })
+ {
+ CAPTURE(N)
+
+ // create JSON value with string containing of N * 'x'
+ const auto s = std::string(N, 'x');
+ json const j = s;
+
+ // create expected byte vector (hack: create string first)
+ std::vector<uint8_t> expected(N, 'x');
+ // reverse order of commands, because we insert at begin()
+ expected.insert(expected.begin(), static_cast<uint8_t>(N & 0xff));
+ expected.insert(expected.begin(), static_cast<uint8_t>((N >> 8) & 0xff));
+ expected.insert(expected.begin(), 'I');
+ expected.insert(expected.begin(), 'S');
+
+ // compare result + size
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+ CHECK(result.size() == N + 4);
+ // check that no null byte is appended
+ CHECK(result.back() != '\x00');
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("N = 65536..2147483647")
+ {
+ for (size_t N :
+ {
+ 65536u, 77777u, 1048576u
+ })
+ {
+ CAPTURE(N)
+
+ // create JSON value with string containing of N * 'x'
+ const auto s = std::string(N, 'x');
+ json const j = s;
+
+ // create expected byte vector (hack: create string first)
+ std::vector<uint8_t> expected(N, 'x');
+ // reverse order of commands, because we insert at begin()
+ expected.insert(expected.begin(), static_cast<uint8_t>(N & 0xff));
+ expected.insert(expected.begin(), static_cast<uint8_t>((N >> 8) & 0xff));
+ expected.insert(expected.begin(), static_cast<uint8_t>((N >> 16) & 0xff));
+ expected.insert(expected.begin(), static_cast<uint8_t>((N >> 24) & 0xff));
+ expected.insert(expected.begin(), 'l');
+ expected.insert(expected.begin(), 'S');
+
+ // compare result + size
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+ CHECK(result.size() == N + 6);
+ // check that no null byte is appended
+ CHECK(result.back() != '\x00');
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+ }
+
+ SECTION("binary")
+ {
+ SECTION("N = 0..127")
+ {
+ for (std::size_t N = 0; N <= 127; ++N)
+ {
+ CAPTURE(N)
+
+ // create JSON value with byte array containing of N * 'x'
+ const auto s = std::vector<std::uint8_t>(N, 'x');
+ json const j = json::binary(s);
+
+ // create expected byte vector
+ std::vector<std::uint8_t> expected;
+ expected.push_back(static_cast<std::uint8_t>('['));
+ if (N != 0)
+ {
+ expected.push_back(static_cast<std::uint8_t>('$'));
+ expected.push_back(static_cast<std::uint8_t>('U'));
+ }
+ expected.push_back(static_cast<std::uint8_t>('#'));
+ expected.push_back(static_cast<std::uint8_t>('i'));
+ expected.push_back(static_cast<std::uint8_t>(N));
+ for (size_t i = 0; i < N; ++i)
+ {
+ expected.push_back(0x78);
+ }
+
+ // compare result + size
+ const auto result = json::to_ubjson(j, true, true);
+ CHECK(result == expected);
+ if (N == 0)
+ {
+ CHECK(result.size() == N + 4);
+ }
+ else
+ {
+ CHECK(result.size() == N + 6);
+ }
+
+ // check that no null byte is appended
+ if (N > 0)
+ {
+ CHECK(result.back() != '\x00');
+ }
+
+ // roundtrip only works to an array of numbers
+ json j_out = s;
+ CHECK(json::from_ubjson(result) == j_out);
+ CHECK(json::from_ubjson(result, true, false) == j_out);
+ }
+ }
+
+ SECTION("N = 128..255")
+ {
+ for (std::size_t N = 128; N <= 255; ++N)
+ {
+ CAPTURE(N)
+
+ // create JSON value with byte array containing of N * 'x'
+ const auto s = std::vector<std::uint8_t>(N, 'x');
+ json const j = json::binary(s);
+
+ // create expected byte vector
+ std::vector<uint8_t> expected;
+ expected.push_back(static_cast<std::uint8_t>('['));
+ expected.push_back(static_cast<std::uint8_t>('$'));
+ expected.push_back(static_cast<std::uint8_t>('U'));
+ expected.push_back(static_cast<std::uint8_t>('#'));
+ expected.push_back(static_cast<std::uint8_t>('U'));
+ expected.push_back(static_cast<std::uint8_t>(N));
+ for (size_t i = 0; i < N; ++i)
+ {
+ expected.push_back(0x78);
+ }
+
+ // compare result + size
+ const auto result = json::to_ubjson(j, true, true);
+ CHECK(result == expected);
+ CHECK(result.size() == N + 6);
+ // check that no null byte is appended
+ CHECK(result.back() != '\x00');
+
+ // roundtrip only works to an array of numbers
+ json j_out = s;
+ CHECK(json::from_ubjson(result) == j_out);
+ CHECK(json::from_ubjson(result, true, false) == j_out);
+ }
+ }
+
+ SECTION("N = 256..32767")
+ {
+ for (std::size_t N :
+ {
+ 256u, 999u, 1025u, 3333u, 2048u, 32767u
+ })
+ {
+ CAPTURE(N)
+
+ // create JSON value with byte array containing of N * 'x'
+ const auto s = std::vector<std::uint8_t>(N, 'x');
+ json const j = json::binary(s);
+
+ // create expected byte vector
+ std::vector<std::uint8_t> expected(N + 7, 'x');
+ expected[0] = '[';
+ expected[1] = '$';
+ expected[2] = 'U';
+ expected[3] = '#';
+ expected[4] = 'I';
+ expected[5] = static_cast<std::uint8_t>((N >> 8) & 0xFF);
+ expected[6] = static_cast<std::uint8_t>(N & 0xFF);
+
+ // compare result + size
+ const auto result = json::to_ubjson(j, true, true);
+ CHECK(result == expected);
+ CHECK(result.size() == N + 7);
+ // check that no null byte is appended
+ CHECK(result.back() != '\x00');
+
+ // roundtrip only works to an array of numbers
+ json j_out = s;
+ CHECK(json::from_ubjson(result) == j_out);
+ CHECK(json::from_ubjson(result, true, false) == j_out);
+ }
+ }
+
+ SECTION("N = 32768..2147483647")
+ {
+ for (std::size_t N :
+ {
+ 32768u, 77777u, 1048576u
+ })
+ {
+ CAPTURE(N)
+
+ // create JSON value with byte array containing of N * 'x'
+ const auto s = std::vector<std::uint8_t>(N, 'x');
+ json const j = json::binary(s);
+
+ // create expected byte vector
+ std::vector<std::uint8_t> expected(N + 9, 'x');
+ expected[0] = '[';
+ expected[1] = '$';
+ expected[2] = 'U';
+ expected[3] = '#';
+ expected[4] = 'l';
+ expected[5] = static_cast<std::uint8_t>((N >> 24) & 0xFF);
+ expected[6] = static_cast<std::uint8_t>((N >> 16) & 0xFF);
+ expected[7] = static_cast<std::uint8_t>((N >> 8) & 0xFF);
+ expected[8] = static_cast<std::uint8_t>(N & 0xFF);
+
+ // compare result + size
+ const auto result = json::to_ubjson(j, true, true);
+ CHECK(result == expected);
+ CHECK(result.size() == N + 9);
+ // check that no null byte is appended
+ CHECK(result.back() != '\x00');
+
+ // roundtrip only works to an array of numbers
+ json j_out = s;
+ CHECK(json::from_ubjson(result) == j_out);
+ CHECK(json::from_ubjson(result, true, false) == j_out);
+ }
+ }
+
+ SECTION("Other Serializations")
+ {
+ const std::size_t N = 10;
+ const auto s = std::vector<std::uint8_t>(N, 'x');
+ json const j = json::binary(s);
+
+ SECTION("No Count No Type")
+ {
+ std::vector<uint8_t> expected;
+ expected.push_back(static_cast<std::uint8_t>('['));
+ for (std::size_t i = 0; i < N; ++i)
+ {
+ expected.push_back(static_cast<std::uint8_t>('U'));
+ expected.push_back(static_cast<std::uint8_t>(0x78));
+ }
+ expected.push_back(static_cast<std::uint8_t>(']'));
+
+ // compare result + size
+ const auto result = json::to_ubjson(j, false, false);
+ CHECK(result == expected);
+ CHECK(result.size() == N + 12);
+ // check that no null byte is appended
+ CHECK(result.back() != '\x00');
+
+ // roundtrip only works to an array of numbers
+ json j_out = s;
+ CHECK(json::from_ubjson(result) == j_out);
+ CHECK(json::from_ubjson(result, true, false) == j_out);
+ }
+
+ SECTION("Yes Count No Type")
+ {
+ std::vector<std::uint8_t> expected;
+ expected.push_back(static_cast<std::uint8_t>('['));
+ expected.push_back(static_cast<std::uint8_t>('#'));
+ expected.push_back(static_cast<std::uint8_t>('i'));
+ expected.push_back(static_cast<std::uint8_t>(N));
+
+ for (size_t i = 0; i < N; ++i)
+ {
+ expected.push_back(static_cast<std::uint8_t>('U'));
+ expected.push_back(static_cast<std::uint8_t>(0x78));
+ }
+
+ // compare result + size
+ const auto result = json::to_ubjson(j, true, false);
+ CHECK(result == expected);
+ CHECK(result.size() == N + 14);
+ // check that no null byte is appended
+ CHECK(result.back() != '\x00');
+
+ // roundtrip only works to an array of numbers
+ json j_out = s;
+ CHECK(json::from_ubjson(result) == j_out);
+ CHECK(json::from_ubjson(result, true, false) == j_out);
+ }
+ }
+ }
+
+ SECTION("array")
+ {
+ SECTION("empty")
+ {
+ SECTION("size=false type=false")
+ {
+ json const j = json::array();
+ std::vector<uint8_t> expected = {'[', ']'};
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("size=true type=false")
+ {
+ json const j = json::array();
+ std::vector<uint8_t> expected = {'[', '#', 'i', 0};
+ const auto result = json::to_ubjson(j, true);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("size=true type=true")
+ {
+ json const j = json::array();
+ std::vector<uint8_t> expected = {'[', '#', 'i', 0};
+ const auto result = json::to_ubjson(j, true, true);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("[null]")
+ {
+ SECTION("size=false type=false")
+ {
+ json const j = {nullptr};
+ std::vector<uint8_t> expected = {'[', 'Z', ']'};
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("size=true type=false")
+ {
+ json const j = {nullptr};
+ std::vector<uint8_t> expected = {'[', '#', 'i', 1, 'Z'};
+ const auto result = json::to_ubjson(j, true);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("size=true type=true")
+ {
+ json const j = {nullptr};
+ std::vector<uint8_t> expected = {'[', '$', 'Z', '#', 'i', 1};
+ const auto result = json::to_ubjson(j, true, true);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("[1,2,3,4,5]")
+ {
+ SECTION("size=false type=false")
+ {
+ json const j = json::parse("[1,2,3,4,5]");
+ std::vector<uint8_t> expected = {'[', 'i', 1, 'i', 2, 'i', 3, 'i', 4, 'i', 5, ']'};
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("size=true type=false")
+ {
+ json const j = json::parse("[1,2,3,4,5]");
+ std::vector<uint8_t> expected = {'[', '#', 'i', 5, 'i', 1, 'i', 2, 'i', 3, 'i', 4, 'i', 5};
+ const auto result = json::to_ubjson(j, true);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("size=true type=true")
+ {
+ json const j = json::parse("[1,2,3,4,5]");
+ std::vector<uint8_t> expected = {'[', '$', 'i', '#', 'i', 5, 1, 2, 3, 4, 5};
+ const auto result = json::to_ubjson(j, true, true);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("[[[[]]]]")
+ {
+ SECTION("size=false type=false")
+ {
+ json const j = json::parse("[[[[]]]]");
+ std::vector<uint8_t> expected = {'[', '[', '[', '[', ']', ']', ']', ']'};
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("size=true type=false")
+ {
+ json const j = json::parse("[[[[]]]]");
+ std::vector<uint8_t> expected = {'[', '#', 'i', 1, '[', '#', 'i', 1, '[', '#', 'i', 1, '[', '#', 'i', 0};
+ const auto result = json::to_ubjson(j, true);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("size=true type=true")
+ {
+ json const j = json::parse("[[[[]]]]");
+ std::vector<uint8_t> expected = {'[', '$', '[', '#', 'i', 1, '$', '[', '#', 'i', 1, '$', '[', '#', 'i', 1, '#', 'i', 0};
+ const auto result = json::to_ubjson(j, true, true);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("array with uint16_t elements")
+ {
+ SECTION("size=false type=false")
+ {
+ json j(257, nullptr);
+ std::vector<uint8_t> expected(j.size() + 2, 'Z'); // all null
+ expected[0] = '['; // opening array
+ expected[258] = ']'; // closing array
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("size=true type=false")
+ {
+ json j(257, nullptr);
+ std::vector<uint8_t> expected(j.size() + 5, 'Z'); // all null
+ expected[0] = '['; // opening array
+ expected[1] = '#'; // array size
+ expected[2] = 'I'; // int16
+ expected[3] = 0x01; // 0x0101, first byte
+ expected[4] = 0x01; // 0x0101, second byte
+ const auto result = json::to_ubjson(j, true);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("size=true type=true")
+ {
+ json j(257, nullptr);
+ std::vector<uint8_t> expected = {'[', '$', 'Z', '#', 'I', 0x01, 0x01};
+ const auto result = json::to_ubjson(j, true, true);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("array with uint32_t elements")
+ {
+ SECTION("size=false type=false")
+ {
+ json j(65793, nullptr);
+ std::vector<uint8_t> expected(j.size() + 2, 'Z'); // all null
+ expected[0] = '['; // opening array
+ expected[65794] = ']'; // closing array
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("size=true type=false")
+ {
+ json j(65793, nullptr);
+ std::vector<uint8_t> expected(j.size() + 7, 'Z'); // all null
+ expected[0] = '['; // opening array
+ expected[1] = '#'; // array size
+ expected[2] = 'l'; // int32
+ expected[3] = 0x00; // 0x00010101, first byte
+ expected[4] = 0x01; // 0x00010101, second byte
+ expected[5] = 0x01; // 0x00010101, third byte
+ expected[6] = 0x01; // 0x00010101, fourth byte
+ const auto result = json::to_ubjson(j, true);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("size=true type=true")
+ {
+ json j(65793, nullptr);
+ std::vector<uint8_t> expected = {'[', '$', 'Z', '#', 'l', 0x00, 0x01, 0x01, 0x01};
+ const auto result = json::to_ubjson(j, true, true);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+ }
+
+ SECTION("object")
+ {
+ SECTION("empty")
+ {
+ SECTION("size=false type=false")
+ {
+ json const j = json::object();
+ std::vector<uint8_t> expected = {'{', '}'};
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("size=true type=false")
+ {
+ json const j = json::object();
+ std::vector<uint8_t> expected = {'{', '#', 'i', 0};
+ const auto result = json::to_ubjson(j, true);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("size=true type=true")
+ {
+ json const j = json::object();
+ std::vector<uint8_t> expected = {'{', '#', 'i', 0};
+ const auto result = json::to_ubjson(j, true, true);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("{\"\":null}")
+ {
+ SECTION("size=false type=false")
+ {
+ json const j = {{"", nullptr}};
+ std::vector<uint8_t> expected = {'{', 'i', 0, 'Z', '}'};
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("size=true type=false")
+ {
+ json const j = {{"", nullptr}};
+ std::vector<uint8_t> expected = {'{', '#', 'i', 1, 'i', 0, 'Z'};
+ const auto result = json::to_ubjson(j, true);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("size=true type=true")
+ {
+ json const j = {{"", nullptr}};
+ std::vector<uint8_t> expected = {'{', '$', 'Z', '#', 'i', 1, 'i', 0};
+ const auto result = json::to_ubjson(j, true, true);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+
+ SECTION("{\"a\": {\"b\": {\"c\": {}}}}")
+ {
+ SECTION("size=false type=false")
+ {
+ json const j = json::parse(R"({"a": {"b": {"c": {}}}})");
+ std::vector<uint8_t> expected =
+ {
+ '{', 'i', 1, 'a', '{', 'i', 1, 'b', '{', 'i', 1, 'c', '{', '}', '}', '}', '}'
+ };
+ const auto result = json::to_ubjson(j);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("size=true type=false")
+ {
+ json const j = json::parse(R"({"a": {"b": {"c": {}}}})");
+ std::vector<uint8_t> expected =
+ {
+ '{', '#', 'i', 1, 'i', 1, 'a', '{', '#', 'i', 1, 'i', 1, 'b', '{', '#', 'i', 1, 'i', 1, 'c', '{', '#', 'i', 0
+ };
+ const auto result = json::to_ubjson(j, true);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+
+ SECTION("size=true type=true")
+ {
+ json const j = json::parse(R"({"a": {"b": {"c": {}}}})");
+ std::vector<uint8_t> expected =
+ {
+ '{', '$', '{', '#', 'i', 1, 'i', 1, 'a', '$', '{', '#', 'i', 1, 'i', 1, 'b', '$', '{', '#', 'i', 1, 'i', 1, 'c', '#', 'i', 0
+ };
+ const auto result = json::to_ubjson(j, true, true);
+ CHECK(result == expected);
+
+ // roundtrip
+ CHECK(json::from_ubjson(result) == j);
+ CHECK(json::from_ubjson(result, true, false) == j);
+ }
+ }
+ }
+ }
+
+ SECTION("errors")
+ {
+ SECTION("strict mode")
+ {
+ std::vector<uint8_t> const vec = {'Z', 'Z'};
+ SECTION("non-strict mode")
+ {
+ const auto result = json::from_ubjson(vec, false);
+ CHECK(result == json());
+ }
+
+ SECTION("strict mode")
+ {
+ json _;
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(vec), "[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing UBJSON value: expected end of input; last byte: 0x5A", json::parse_error&);
+ }
+ }
+
+ SECTION("excessive size")
+ {
+ SECTION("array")
+ {
+ std::vector<uint8_t> const v_ubjson = {'[', '$', 'Z', '#', 'L', 0x78, 0x28, 0x00, 0x68, 0x28, 0x69, 0x69, 0x17};
+ json _;
+ CHECK_THROWS_AS(_ = json::from_ubjson(v_ubjson), json::out_of_range&);
+
+ json j;
+ nlohmann::detail::json_sax_dom_callback_parser<json, decltype(nlohmann::detail::input_adapter(v_ubjson))> scp(j, [](int /*unused*/, json::parse_event_t /*unused*/, const json& /*unused*/) noexcept
+ {
+ return true;
+ });
+ CHECK_THROWS_AS(_ = json::sax_parse(v_ubjson, &scp, json::input_format_t::ubjson), json::out_of_range&);
+ }
+
+ SECTION("object")
+ {
+ std::vector<uint8_t> const v_ubjson = {'{', '$', 'Z', '#', 'L', 0x78, 0x28, 0x00, 0x68, 0x28, 0x69, 0x69, 0x17};
+ json _;
+ CHECK_THROWS_AS(_ = json::from_ubjson(v_ubjson), json::out_of_range&);
+
+ json j;
+ nlohmann::detail::json_sax_dom_callback_parser<json, decltype(nlohmann::detail::input_adapter(v_ubjson))> scp(j, [](int /*unused*/, json::parse_event_t /*unused*/, const json& /*unused*/) noexcept
+ {
+ return true;
+ });
+ CHECK_THROWS_AS(_ = json::sax_parse(v_ubjson, &scp, json::input_format_t::ubjson), json::out_of_range&);
+ }
+ }
+ }
+
+ SECTION("SAX aborts")
+ {
+ SECTION("start_array()")
+ {
+ std::vector<uint8_t> const v = {'[', 'T', 'F', ']'};
+ SaxCountdown scp(0);
+ CHECK(!json::sax_parse(v, &scp, json::input_format_t::ubjson));
+ }
+
+ SECTION("start_object()")
+ {
+ std::vector<uint8_t> const v = {'{', 'i', 3, 'f', 'o', 'o', 'F', '}'};
+ SaxCountdown scp(0);
+ CHECK(!json::sax_parse(v, &scp, json::input_format_t::ubjson));
+ }
+
+ SECTION("key() in object")
+ {
+ std::vector<uint8_t> const v = {'{', 'i', 3, 'f', 'o', 'o', 'F', '}'};
+ SaxCountdown scp(1);
+ CHECK(!json::sax_parse(v, &scp, json::input_format_t::ubjson));
+ }
+
+ SECTION("start_array(len)")
+ {
+ std::vector<uint8_t> const v = {'[', '#', 'i', '2', 'T', 'F'};
+ SaxCountdown scp(0);
+ CHECK(!json::sax_parse(v, &scp, json::input_format_t::ubjson));
+ }
+
+ SECTION("start_object(len)")
+ {
+ std::vector<uint8_t> const v = {'{', '#', 'i', '1', 3, 'f', 'o', 'o', 'F'};
+ SaxCountdown scp(0);
+ CHECK(!json::sax_parse(v, &scp, json::input_format_t::ubjson));
+ }
+
+ SECTION("key() in object with length")
+ {
+ std::vector<uint8_t> const v = {'{', 'i', 3, 'f', 'o', 'o', 'F', '}'};
+ SaxCountdown scp(1);
+ CHECK(!json::sax_parse(v, &scp, json::input_format_t::ubjson));
+ }
+ }
+
+ SECTION("parsing values")
+ {
+ SECTION("strings")
+ {
+ // create a single-character string for all number types
+ std::vector<uint8_t> s_i = {'S', 'i', 1, 'a'};
+ std::vector<uint8_t> const s_U = {'S', 'U', 1, 'a'};
+ std::vector<uint8_t> const s_I = {'S', 'I', 0, 1, 'a'};
+ std::vector<uint8_t> const s_l = {'S', 'l', 0, 0, 0, 1, 'a'};
+ std::vector<uint8_t> const s_L = {'S', 'L', 0, 0, 0, 0, 0, 0, 0, 1, 'a'};
+
+ // check if string is parsed correctly to "a"
+ CHECK(json::from_ubjson(s_i) == "a");
+ CHECK(json::from_ubjson(s_U) == "a");
+ CHECK(json::from_ubjson(s_I) == "a");
+ CHECK(json::from_ubjson(s_l) == "a");
+ CHECK(json::from_ubjson(s_L) == "a");
+
+ // roundtrip: output should be optimized
+ CHECK(json::to_ubjson(json::from_ubjson(s_i)) == s_i);
+ CHECK(json::to_ubjson(json::from_ubjson(s_U)) == s_i);
+ CHECK(json::to_ubjson(json::from_ubjson(s_I)) == s_i);
+ CHECK(json::to_ubjson(json::from_ubjson(s_l)) == s_i);
+ CHECK(json::to_ubjson(json::from_ubjson(s_L)) == s_i);
+ }
+
+ SECTION("number")
+ {
+ SECTION("float")
+ {
+ // float32
+ std::vector<uint8_t> const v_d = {'d', 0x40, 0x49, 0x0f, 0xd0};
+ CHECK(json::from_ubjson(v_d) == 3.14159f);
+
+ // float64
+ std::vector<uint8_t> const v_D = {'D', 0x40, 0x09, 0x21, 0xf9, 0xf0, 0x1b, 0x86, 0x6e};
+ CHECK(json::from_ubjson(v_D) == 3.14159);
+
+ // float32 is serialized as float64 as the library does not support float32
+ CHECK(json::to_ubjson(json::from_ubjson(v_d)) == json::to_ubjson(3.14159f));
+ }
+ }
+
+ SECTION("array")
+ {
+ SECTION("optimized version (length only)")
+ {
+ // create vector with two elements of the same type
+ std::vector<uint8_t> const v_TU = {'[', '#', 'U', 2, 'T', 'T'};
+ std::vector<uint8_t> const v_T = {'[', '#', 'i', 2, 'T', 'T'};
+ std::vector<uint8_t> const v_F = {'[', '#', 'i', 2, 'F', 'F'};
+ std::vector<uint8_t> const v_Z = {'[', '#', 'i', 2, 'Z', 'Z'};
+ std::vector<uint8_t> const v_i = {'[', '#', 'i', 2, 'i', 0x7F, 'i', 0x7F};
+ std::vector<uint8_t> const v_U = {'[', '#', 'i', 2, 'U', 0xFF, 'U', 0xFF};
+ std::vector<uint8_t> const v_I = {'[', '#', 'i', 2, 'I', 0x7F, 0xFF, 'I', 0x7F, 0xFF};
+ std::vector<uint8_t> const v_l = {'[', '#', 'i', 2, 'l', 0x7F, 0xFF, 0xFF, 0xFF, 'l', 0x7F, 0xFF, 0xFF, 0xFF};
+ std::vector<uint8_t> const v_L = {'[', '#', 'i', 2, 'L', 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 'L', 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
+ std::vector<uint8_t> const v_D = {'[', '#', 'i', 2, 'D', 0x40, 0x09, 0x21, 0xfb, 0x4d, 0x12, 0xd8, 0x4a, 'D', 0x40, 0x09, 0x21, 0xfb, 0x4d, 0x12, 0xd8, 0x4a};
+ std::vector<uint8_t> const v_S = {'[', '#', 'i', 2, 'S', 'i', 1, 'a', 'S', 'i', 1, 'a'};
+ std::vector<uint8_t> const v_C = {'[', '#', 'i', 2, 'C', 'a', 'C', 'a'};
+
+ // check if vector is parsed correctly
+ CHECK(json::from_ubjson(v_TU) == json({true, true}));
+ CHECK(json::from_ubjson(v_T) == json({true, true}));
+ CHECK(json::from_ubjson(v_F) == json({false, false}));
+ CHECK(json::from_ubjson(v_Z) == json({nullptr, nullptr}));
+ CHECK(json::from_ubjson(v_i) == json({127, 127}));
+ CHECK(json::from_ubjson(v_U) == json({255, 255}));
+ CHECK(json::from_ubjson(v_I) == json({32767, 32767}));
+ CHECK(json::from_ubjson(v_l) == json({2147483647, 2147483647}));
+ CHECK(json::from_ubjson(v_L) == json({9223372036854775807, 9223372036854775807}));
+ CHECK(json::from_ubjson(v_D) == json({3.1415926, 3.1415926}));
+ CHECK(json::from_ubjson(v_S) == json({"a", "a"}));
+ CHECK(json::from_ubjson(v_C) == json({"a", "a"}));
+
+ // roundtrip: output should be optimized
+ CHECK(json::to_ubjson(json::from_ubjson(v_T), true) == v_T);
+ CHECK(json::to_ubjson(json::from_ubjson(v_F), true) == v_F);
+ CHECK(json::to_ubjson(json::from_ubjson(v_Z), true) == v_Z);
+ CHECK(json::to_ubjson(json::from_ubjson(v_i), true) == v_i);
+ CHECK(json::to_ubjson(json::from_ubjson(v_U), true) == v_U);
+ CHECK(json::to_ubjson(json::from_ubjson(v_I), true) == v_I);
+ CHECK(json::to_ubjson(json::from_ubjson(v_l), true) == v_l);
+ CHECK(json::to_ubjson(json::from_ubjson(v_L), true) == v_L);
+ CHECK(json::to_ubjson(json::from_ubjson(v_D), true) == v_D);
+ CHECK(json::to_ubjson(json::from_ubjson(v_S), true) == v_S);
+ CHECK(json::to_ubjson(json::from_ubjson(v_C), true) == v_S); // char is serialized to string
+ }
+
+ SECTION("optimized version (type and length)")
+ {
+ // create vector with two elements of the same type
+ std::vector<uint8_t> const v_N = {'[', '$', 'N', '#', 'i', 2};
+ std::vector<uint8_t> const v_T = {'[', '$', 'T', '#', 'i', 2};
+ std::vector<uint8_t> const v_F = {'[', '$', 'F', '#', 'i', 2};
+ std::vector<uint8_t> const v_Z = {'[', '$', 'Z', '#', 'i', 2};
+ std::vector<uint8_t> const v_i = {'[', '$', 'i', '#', 'i', 2, 0x7F, 0x7F};
+ std::vector<uint8_t> const v_U = {'[', '$', 'U', '#', 'i', 2, 0xFF, 0xFF};
+ std::vector<uint8_t> const v_I = {'[', '$', 'I', '#', 'i', 2, 0x7F, 0xFF, 0x7F, 0xFF};
+ std::vector<uint8_t> const v_l = {'[', '$', 'l', '#', 'i', 2, 0x7F, 0xFF, 0xFF, 0xFF, 0x7F, 0xFF, 0xFF, 0xFF};
+ std::vector<uint8_t> const v_L = {'[', '$', 'L', '#', 'i', 2, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
+ std::vector<uint8_t> const v_D = {'[', '$', 'D', '#', 'i', 2, 0x40, 0x09, 0x21, 0xfb, 0x4d, 0x12, 0xd8, 0x4a, 0x40, 0x09, 0x21, 0xfb, 0x4d, 0x12, 0xd8, 0x4a};
+ std::vector<uint8_t> const v_S = {'[', '$', 'S', '#', 'i', 2, 'i', 1, 'a', 'i', 1, 'a'};
+ std::vector<uint8_t> const v_C = {'[', '$', 'C', '#', 'i', 2, 'a', 'a'};
+
+ // check if vector is parsed correctly
+ CHECK(json::from_ubjson(v_N) == json::array());
+ CHECK(json::from_ubjson(v_T) == json({true, true}));
+ CHECK(json::from_ubjson(v_F) == json({false, false}));
+ CHECK(json::from_ubjson(v_Z) == json({nullptr, nullptr}));
+ CHECK(json::from_ubjson(v_i) == json({127, 127}));
+ CHECK(json::from_ubjson(v_U) == json({255, 255}));
+ CHECK(json::from_ubjson(v_I) == json({32767, 32767}));
+ CHECK(json::from_ubjson(v_l) == json({2147483647, 2147483647}));
+ CHECK(json::from_ubjson(v_L) == json({9223372036854775807, 9223372036854775807}));
+ CHECK(json::from_ubjson(v_D) == json({3.1415926, 3.1415926}));
+ CHECK(json::from_ubjson(v_S) == json({"a", "a"}));
+ CHECK(json::from_ubjson(v_C) == json({"a", "a"}));
+
+ // roundtrip: output should be optimized
+ std::vector<uint8_t> const v_empty = {'[', '#', 'i', 0};
+ CHECK(json::to_ubjson(json::from_ubjson(v_N), true, true) == v_empty);
+ CHECK(json::to_ubjson(json::from_ubjson(v_T), true, true) == v_T);
+ CHECK(json::to_ubjson(json::from_ubjson(v_F), true, true) == v_F);
+ CHECK(json::to_ubjson(json::from_ubjson(v_Z), true, true) == v_Z);
+ CHECK(json::to_ubjson(json::from_ubjson(v_i), true, true) == v_i);
+ CHECK(json::to_ubjson(json::from_ubjson(v_U), true, true) == v_U);
+ CHECK(json::to_ubjson(json::from_ubjson(v_I), true, true) == v_I);
+ CHECK(json::to_ubjson(json::from_ubjson(v_l), true, true) == v_l);
+ CHECK(json::to_ubjson(json::from_ubjson(v_L), true, true) == v_L);
+ CHECK(json::to_ubjson(json::from_ubjson(v_D), true, true) == v_D);
+ CHECK(json::to_ubjson(json::from_ubjson(v_S), true, true) == v_S);
+ CHECK(json::to_ubjson(json::from_ubjson(v_C), true, true) == v_S); // char is serialized to string
+ }
+ }
+ }
+
+ SECTION("parse errors")
+ {
+ SECTION("empty byte vector")
+ {
+ json _;
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(std::vector<uint8_t>()), "[json.exception.parse_error.110] parse error at byte 1: syntax error while parsing UBJSON value: unexpected end of input", json::parse_error&);
+ }
+
+ SECTION("char")
+ {
+ SECTION("eof after C byte")
+ {
+ std::vector<uint8_t> const v = {'C'};
+ json _;
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(v), "[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing UBJSON char: unexpected end of input", json::parse_error&);
+ }
+
+ SECTION("byte out of range")
+ {
+ std::vector<uint8_t> const v = {'C', 130};
+ json _;
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(v), "[json.exception.parse_error.113] parse error at byte 2: syntax error while parsing UBJSON char: byte after 'C' must be in range 0x00..0x7F; last byte: 0x82", json::parse_error&);
+ }
+ }
+
+ SECTION("strings")
+ {
+ SECTION("eof after S byte")
+ {
+ std::vector<uint8_t> const v = {'S'};
+ json _;
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(v), "[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing UBJSON value: unexpected end of input", json::parse_error&);
+ }
+
+ SECTION("invalid byte")
+ {
+ std::vector<uint8_t> const v = {'S', '1', 'a'};
+ json _;
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(v), "[json.exception.parse_error.113] parse error at byte 2: syntax error while parsing UBJSON string: expected length type specification (U, i, I, l, L); last byte: 0x31", json::parse_error&);
+ }
+ }
+
+ SECTION("array")
+ {
+ SECTION("optimized array: no size following type")
+ {
+ std::vector<uint8_t> const v = {'[', '$', 'i', 2};
+ json _;
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(v), "[json.exception.parse_error.112] parse error at byte 4: syntax error while parsing UBJSON size: expected '#' after type information; last byte: 0x02", json::parse_error&);
+ }
+ }
+
+ SECTION("strings")
+ {
+ std::vector<uint8_t> const vS = {'S'};
+ json _;
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(vS), "[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing UBJSON value: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(vS, true, false).is_discarded());
+
+ std::vector<uint8_t> const v = {'S', 'i', '2', 'a'};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(v), "[json.exception.parse_error.110] parse error at byte 5: syntax error while parsing UBJSON string: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(v, true, false).is_discarded());
+
+ std::vector<uint8_t> const vC = {'C'};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(vC), "[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing UBJSON char: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(vC, true, false).is_discarded());
+ }
+
+ SECTION("sizes")
+ {
+ std::vector<uint8_t> const vU = {'[', '#', 'U'};
+ json _;
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(vU), "[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing UBJSON number: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(vU, true, false).is_discarded());
+
+ std::vector<uint8_t> const vi = {'[', '#', 'i'};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(vi), "[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing UBJSON number: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(vi, true, false).is_discarded());
+
+ std::vector<uint8_t> const vI = {'[', '#', 'I'};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(vI), "[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing UBJSON number: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(vI, true, false).is_discarded());
+
+ std::vector<uint8_t> const vl = {'[', '#', 'l'};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(vl), "[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing UBJSON number: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(vl, true, false).is_discarded());
+
+ std::vector<uint8_t> const vL = {'[', '#', 'L'};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(vL), "[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing UBJSON number: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(vL, true, false).is_discarded());
+
+ std::vector<uint8_t> const v0 = {'[', '#', 'T', ']'};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(v0), "[json.exception.parse_error.113] parse error at byte 3: syntax error while parsing UBJSON size: expected length type specification (U, i, I, l, L) after '#'; last byte: 0x54", json::parse_error&);
+ CHECK(json::from_ubjson(v0, true, false).is_discarded());
+ }
+
+ SECTION("types")
+ {
+ std::vector<uint8_t> const v0 = {'[', '$'};
+ json _;
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(v0), "[json.exception.parse_error.110] parse error at byte 3: syntax error while parsing UBJSON type: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(v0, true, false).is_discarded());
+
+ std::vector<uint8_t> const vi = {'[', '$', '#'};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(vi), "[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing UBJSON value: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(vi, true, false).is_discarded());
+
+ std::vector<uint8_t> const vT = {'[', '$', 'T'};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(vT), "[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing UBJSON value: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(vT, true, false).is_discarded());
+ }
+
+ SECTION("arrays")
+ {
+ std::vector<uint8_t> const vST = {'[', '$', 'i', '#', 'i', 2, 1};
+ json _;
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(vST), "[json.exception.parse_error.110] parse error at byte 8: syntax error while parsing UBJSON number: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(vST, true, false).is_discarded());
+
+ std::vector<uint8_t> const vS = {'[', '#', 'i', 2, 'i', 1};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(vS), "[json.exception.parse_error.110] parse error at byte 7: syntax error while parsing UBJSON value: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(vS, true, false).is_discarded());
+
+ std::vector<uint8_t> const v = {'[', 'i', 2, 'i', 1};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(v), "[json.exception.parse_error.110] parse error at byte 6: syntax error while parsing UBJSON value: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(v, true, false).is_discarded());
+ }
+
+ SECTION("objects")
+ {
+ std::vector<uint8_t> const vST = {'{', '$', 'i', '#', 'i', 2, 'i', 1, 'a', 1};
+ json _;
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(vST), "[json.exception.parse_error.110] parse error at byte 11: syntax error while parsing UBJSON value: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(vST, true, false).is_discarded());
+
+ std::vector<uint8_t> const vT = {'{', '$', 'i', 'i', 1, 'a', 1};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(vT), "[json.exception.parse_error.112] parse error at byte 4: syntax error while parsing UBJSON size: expected '#' after type information; last byte: 0x69", json::parse_error&);
+ CHECK(json::from_ubjson(vT, true, false).is_discarded());
+
+ std::vector<uint8_t> const vS = {'{', '#', 'i', 2, 'i', 1, 'a', 'i', 1};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(vS), "[json.exception.parse_error.110] parse error at byte 10: syntax error while parsing UBJSON value: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(vS, true, false).is_discarded());
+
+ std::vector<uint8_t> const v = {'{', 'i', 1, 'a', 'i', 1};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(v), "[json.exception.parse_error.110] parse error at byte 7: syntax error while parsing UBJSON value: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(v, true, false).is_discarded());
+
+ std::vector<uint8_t> const v2 = {'{', 'i', 1, 'a', 'i', 1, 'i'};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(v2), "[json.exception.parse_error.110] parse error at byte 8: syntax error while parsing UBJSON number: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(v2, true, false).is_discarded());
+
+ std::vector<uint8_t> const v3 = {'{', 'i', 1, 'a'};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(v3), "[json.exception.parse_error.110] parse error at byte 5: syntax error while parsing UBJSON value: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(v3, true, false).is_discarded());
+
+ std::vector<uint8_t> const vST1 = {'{', '$', 'd', '#', 'i', 2, 'i', 1, 'a'};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(vST1), "[json.exception.parse_error.110] parse error at byte 10: syntax error while parsing UBJSON number: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(vST1, true, false).is_discarded());
+
+ std::vector<uint8_t> const vST2 = {'{', '#', 'i', 2, 'i', 1, 'a'};
+ CHECK_THROWS_WITH_AS(_ = json::from_ubjson(vST2), "[json.exception.parse_error.110] parse error at byte 8: syntax error while parsing UBJSON value: unexpected end of input", json::parse_error&);
+ CHECK(json::from_ubjson(vST2, true, false).is_discarded());
+ }
+ }
+
+ SECTION("writing optimized values")
+ {
+ SECTION("integer")
+ {
+ SECTION("array of i")
+ {
+ json const j = {1, -1};
+ std::vector<uint8_t> expected = {'[', '$', 'i', '#', 'i', 2, 1, 0xff};
+ CHECK(json::to_ubjson(j, true, true) == expected);
+ }
+
+ SECTION("array of U")
+ {
+ json const j = {200, 201};
+ std::vector<uint8_t> expected = {'[', '$', 'U', '#', 'i', 2, 0xC8, 0xC9};
+ CHECK(json::to_ubjson(j, true, true) == expected);
+ }
+
+ SECTION("array of I")
+ {
+ json const j = {30000, -30000};
+ std::vector<uint8_t> expected = {'[', '$', 'I', '#', 'i', 2, 0x75, 0x30, 0x8a, 0xd0};
+ CHECK(json::to_ubjson(j, true, true) == expected);
+ }
+
+ SECTION("array of l")
+ {
+ json const j = {70000, -70000};
+ std::vector<uint8_t> expected = {'[', '$', 'l', '#', 'i', 2, 0x00, 0x01, 0x11, 0x70, 0xFF, 0xFE, 0xEE, 0x90};
+ CHECK(json::to_ubjson(j, true, true) == expected);
+ }
+
+ SECTION("array of L")
+ {
+ json const j = {5000000000, -5000000000};
+ std::vector<uint8_t> expected = {'[', '$', 'L', '#', 'i', 2, 0x00, 0x00, 0x00, 0x01, 0x2A, 0x05, 0xF2, 0x00, 0xFF, 0xFF, 0xFF, 0xFE, 0xD5, 0xFA, 0x0E, 0x00};
+ CHECK(json::to_ubjson(j, true, true) == expected);
+ }
+ }
+
+ SECTION("unsigned integer")
+ {
+ SECTION("array of i")
+ {
+ json const j = {1u, 2u};
+ std::vector<uint8_t> expected = {'[', '$', 'i', '#', 'i', 2, 1, 2};
+ std::vector<uint8_t> expected_size = {'[', '#', 'i', 2, 'i', 1, 'i', 2};
+ CHECK(json::to_ubjson(j, true, true) == expected);
+ CHECK(json::to_ubjson(j, true) == expected_size);
+ }
+
+ SECTION("array of U")
+ {
+ json const j = {200u, 201u};
+ std::vector<uint8_t> expected = {'[', '$', 'U', '#', 'i', 2, 0xC8, 0xC9};
+ std::vector<uint8_t> expected_size = {'[', '#', 'i', 2, 'U', 0xC8, 'U', 0xC9};
+ CHECK(json::to_ubjson(j, true, true) == expected);
+ CHECK(json::to_ubjson(j, true) == expected_size);
+ }
+
+ SECTION("array of I")
+ {
+ json const j = {30000u, 30001u};
+ std::vector<uint8_t> expected = {'[', '$', 'I', '#', 'i', 2, 0x75, 0x30, 0x75, 0x31};
+ std::vector<uint8_t> expected_size = {'[', '#', 'i', 2, 'I', 0x75, 0x30, 'I', 0x75, 0x31};
+ CHECK(json::to_ubjson(j, true, true) == expected);
+ CHECK(json::to_ubjson(j, true) == expected_size);
+ }
+
+ SECTION("array of l")
+ {
+ json const j = {70000u, 70001u};
+ std::vector<uint8_t> expected = {'[', '$', 'l', '#', 'i', 2, 0x00, 0x01, 0x11, 0x70, 0x00, 0x01, 0x11, 0x71};
+ std::vector<uint8_t> expected_size = {'[', '#', 'i', 2, 'l', 0x00, 0x01, 0x11, 0x70, 'l', 0x00, 0x01, 0x11, 0x71};
+ CHECK(json::to_ubjson(j, true, true) == expected);
+ CHECK(json::to_ubjson(j, true) == expected_size);
+ }
+
+ SECTION("array of L")
+ {
+ json const j = {5000000000u, 5000000001u};
+ std::vector<uint8_t> expected = {'[', '$', 'L', '#', 'i', 2, 0x00, 0x00, 0x00, 0x01, 0x2A, 0x05, 0xF2, 0x00, 0x00, 0x00, 0x00, 0x01, 0x2A, 0x05, 0xF2, 0x01};
+ std::vector<uint8_t> expected_size = {'[', '#', 'i', 2, 'L', 0x00, 0x00, 0x00, 0x01, 0x2A, 0x05, 0xF2, 0x00, 'L', 0x00, 0x00, 0x00, 0x01, 0x2A, 0x05, 0xF2, 0x01};
+ CHECK(json::to_ubjson(j, true, true) == expected);
+ CHECK(json::to_ubjson(j, true) == expected_size);
+ }
+ }
+
+ SECTION("discarded")
+ {
+ json const j = {json::value_t::discarded, json::value_t::discarded};
+ std::vector<uint8_t> expected = {'[', '$', 'N', '#', 'i', 2};
+ CHECK(json::to_ubjson(j, true, true) == expected);
+ }
+ }
+}
+
+TEST_CASE("Universal Binary JSON Specification Examples 1")
+{
+ SECTION("Null Value")
+ {
+ json const j = {{"passcode", nullptr}};
+ std::vector<uint8_t> const v = {'{', 'i', 8, 'p', 'a', 's', 's', 'c', 'o', 'd', 'e', 'Z', '}'};
+ CHECK(json::to_ubjson(j) == v);
+ CHECK(json::from_ubjson(v) == j);
+ }
+
+ SECTION("No-Op Value")
+ {
+ json const j = {"foo", "bar", "baz"};
+ std::vector<uint8_t> const v = {'[', 'S', 'i', 3, 'f', 'o', 'o',
+ 'S', 'i', 3, 'b', 'a', 'r',
+ 'S', 'i', 3, 'b', 'a', 'z', ']'
+ };
+ std::vector<uint8_t> const v2 = {'[', 'S', 'i', 3, 'f', 'o', 'o', 'N',
+ 'S', 'i', 3, 'b', 'a', 'r', 'N', 'N', 'N',
+ 'S', 'i', 3, 'b', 'a', 'z', 'N', 'N', ']'
+ };
+ CHECK(json::to_ubjson(j) == v);
+ CHECK(json::from_ubjson(v) == j);
+ CHECK(json::from_ubjson(v2) == j);
+ }
+
+ SECTION("Boolean Types")
+ {
+ json const j = {{"authorized", true}, {"verified", false}};
+ std::vector<uint8_t> const v = {'{', 'i', 10, 'a', 'u', 't', 'h', 'o', 'r', 'i', 'z', 'e', 'd', 'T',
+ 'i', 8, 'v', 'e', 'r', 'i', 'f', 'i', 'e', 'd', 'F', '}'
+ };
+ CHECK(json::to_ubjson(j) == v);
+ CHECK(json::from_ubjson(v) == j);
+ }
+
+ SECTION("Numeric Types")
+ {
+ json const j =
+ {
+ {"int8", 16},
+ {"uint8", 255},
+ {"int16", 32767},
+ {"int32", 2147483647},
+ {"int64", 9223372036854775807},
+ {"float64", 113243.7863123}
+ };
+ std::vector<uint8_t> const v = {'{',
+ 'i', 7, 'f', 'l', 'o', 'a', 't', '6', '4', 'D', 0x40, 0xfb, 0xa5, 0xbc, 0x94, 0xbc, 0x34, 0xcf,
+ 'i', 5, 'i', 'n', 't', '1', '6', 'I', 0x7f, 0xff,
+ 'i', 5, 'i', 'n', 't', '3', '2', 'l', 0x7f, 0xff, 0xff, 0xff,
+ 'i', 5, 'i', 'n', 't', '6', '4', 'L', 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 'i', 4, 'i', 'n', 't', '8', 'i', 16,
+ 'i', 5, 'u', 'i', 'n', 't', '8', 'U', 0xff,
+ '}'
+ };
+ CHECK(json::to_ubjson(j) == v);
+ CHECK(json::from_ubjson(v) == j);
+ }
+
+ SECTION("Char Type")
+ {
+ json const j = {{"rolecode", "a"}, {"delim", ";"}};
+ std::vector<uint8_t> const v = {'{', 'i', 5, 'd', 'e', 'l', 'i', 'm', 'C', ';', 'i', 8, 'r', 'o', 'l', 'e', 'c', 'o', 'd', 'e', 'C', 'a', '}'};
+ //CHECK(json::to_ubjson(j) == v);
+ CHECK(json::from_ubjson(v) == j);
+ }
+
+ SECTION("String Type")
+ {
+ SECTION("English")
+ {
+ json const j = "hello";
+ std::vector<uint8_t> const v = {'S', 'i', 5, 'h', 'e', 'l', 'l', 'o'};
+ CHECK(json::to_ubjson(j) == v);
+ CHECK(json::from_ubjson(v) == j);
+ }
+
+ SECTION("Russian")
+ {
+ json const j = "привет";
+ std::vector<uint8_t> const v = {'S', 'i', 12, 0xD0, 0xBF, 0xD1, 0x80, 0xD0, 0xB8, 0xD0, 0xB2, 0xD0, 0xB5, 0xD1, 0x82};
+ CHECK(json::to_ubjson(j) == v);
+ CHECK(json::from_ubjson(v) == j);
+ }
+
+ SECTION("Russian")
+ {
+ json const j = "مرحبا";
+ std::vector<uint8_t> const v = {'S', 'i', 10, 0xD9, 0x85, 0xD8, 0xB1, 0xD8, 0xAD, 0xD8, 0xA8, 0xD8, 0xA7};
+ CHECK(json::to_ubjson(j) == v);
+ CHECK(json::from_ubjson(v) == j);
+ }
+ }
+
+ SECTION("Array Type")
+ {
+ SECTION("size=false type=false")
+ {
+ // note the float has been replaced by a double
+ json const j = {nullptr, true, false, 4782345193, 153.132, "ham"};
+ std::vector<uint8_t> const v = {'[', 'Z', 'T', 'F', 'L', 0x00, 0x00, 0x00, 0x01, 0x1D, 0x0C, 0xCB, 0xE9, 'D', 0x40, 0x63, 0x24, 0x39, 0x58, 0x10, 0x62, 0x4e, 'S', 'i', 3, 'h', 'a', 'm', ']'};
+ CHECK(json::to_ubjson(j) == v);
+ CHECK(json::from_ubjson(v) == j);
+ }
+
+ SECTION("size=true type=false")
+ {
+ // note the float has been replaced by a double
+ json const j = {nullptr, true, false, 4782345193, 153.132, "ham"};
+ std::vector<uint8_t> const v = {'[', '#', 'i', 6, 'Z', 'T', 'F', 'L', 0x00, 0x00, 0x00, 0x01, 0x1D, 0x0C, 0xCB, 0xE9, 'D', 0x40, 0x63, 0x24, 0x39, 0x58, 0x10, 0x62, 0x4e, 'S', 'i', 3, 'h', 'a', 'm'};
+ CHECK(json::to_ubjson(j, true) == v);
+ CHECK(json::from_ubjson(v) == j);
+ }
+
+ SECTION("size=true type=true")
+ {
+ // note the float has been replaced by a double
+ json const j = {nullptr, true, false, 4782345193, 153.132, "ham"};
+ std::vector<uint8_t> const v = {'[', '#', 'i', 6, 'Z', 'T', 'F', 'L', 0x00, 0x00, 0x00, 0x01, 0x1D, 0x0C, 0xCB, 0xE9, 'D', 0x40, 0x63, 0x24, 0x39, 0x58, 0x10, 0x62, 0x4e, 'S', 'i', 3, 'h', 'a', 'm'};
+ CHECK(json::to_ubjson(j, true, true) == v);
+ CHECK(json::from_ubjson(v) == j);
+ }
+ }
+
+ SECTION("Object Type")
+ {
+ SECTION("size=false type=false")
+ {
+ json const j =
+ {
+ {
+ "post", {
+ {"id", 1137},
+ {"author", "rkalla"},
+ {"timestamp", 1364482090592},
+ {"body", "I totally agree!"}
+ }
+ }
+ };
+ std::vector<uint8_t> const v = {'{', 'i', 4, 'p', 'o', 's', 't', '{',
+ 'i', 6, 'a', 'u', 't', 'h', 'o', 'r', 'S', 'i', 6, 'r', 'k', 'a', 'l', 'l', 'a',
+ 'i', 4, 'b', 'o', 'd', 'y', 'S', 'i', 16, 'I', ' ', 't', 'o', 't', 'a', 'l', 'l', 'y', ' ', 'a', 'g', 'r', 'e', 'e', '!',
+ 'i', 2, 'i', 'd', 'I', 0x04, 0x71,
+ 'i', 9, 't', 'i', 'm', 'e', 's', 't', 'a', 'm', 'p', 'L', 0x00, 0x00, 0x01, 0x3D, 0xB1, 0x78, 0x66, 0x60,
+ '}', '}'
+ };
+ CHECK(json::to_ubjson(j) == v);
+ CHECK(json::from_ubjson(v) == j);
+ }
+
+ SECTION("size=true type=false")
+ {
+ json const j =
+ {
+ {
+ "post", {
+ {"id", 1137},
+ {"author", "rkalla"},
+ {"timestamp", 1364482090592},
+ {"body", "I totally agree!"}
+ }
+ }
+ };
+ std::vector<uint8_t> const v = {'{', '#', 'i', 1, 'i', 4, 'p', 'o', 's', 't', '{', '#', 'i', 4,
+ 'i', 6, 'a', 'u', 't', 'h', 'o', 'r', 'S', 'i', 6, 'r', 'k', 'a', 'l', 'l', 'a',
+ 'i', 4, 'b', 'o', 'd', 'y', 'S', 'i', 16, 'I', ' ', 't', 'o', 't', 'a', 'l', 'l', 'y', ' ', 'a', 'g', 'r', 'e', 'e', '!',
+ 'i', 2, 'i', 'd', 'I', 0x04, 0x71,
+ 'i', 9, 't', 'i', 'm', 'e', 's', 't', 'a', 'm', 'p', 'L', 0x00, 0x00, 0x01, 0x3D, 0xB1, 0x78, 0x66, 0x60
+ };
+ CHECK(json::to_ubjson(j, true) == v);
+ CHECK(json::from_ubjson(v) == j);
+ }
+
+ SECTION("size=true type=true")
+ {
+ json const j =
+ {
+ {
+ "post", {
+ {"id", 1137},
+ {"author", "rkalla"},
+ {"timestamp", 1364482090592},
+ {"body", "I totally agree!"}
+ }
+ }
+ };
+ std::vector<uint8_t> const v = {'{', '$', '{', '#', 'i', 1, 'i', 4, 'p', 'o', 's', 't', '#', 'i', 4,
+ 'i', 6, 'a', 'u', 't', 'h', 'o', 'r', 'S', 'i', 6, 'r', 'k', 'a', 'l', 'l', 'a',
+ 'i', 4, 'b', 'o', 'd', 'y', 'S', 'i', 16, 'I', ' ', 't', 'o', 't', 'a', 'l', 'l', 'y', ' ', 'a', 'g', 'r', 'e', 'e', '!',
+ 'i', 2, 'i', 'd', 'I', 0x04, 0x71,
+ 'i', 9, 't', 'i', 'm', 'e', 's', 't', 'a', 'm', 'p', 'L', 0x00, 0x00, 0x01, 0x3D, 0xB1, 0x78, 0x66, 0x60
+ };
+ CHECK(json::to_ubjson(j, true, true) == v);
+ CHECK(json::from_ubjson(v) == j);
+ }
+ }
+
+ SECTION("Optimized Format")
+ {
+ SECTION("Array Example")
+ {
+ SECTION("No Optimization")
+ {
+ // note the floats have been replaced by doubles
+ json const j = {29.97, 31.13, 67.0, 2.113, 23.888};
+ std::vector<uint8_t> const v = {'[',
+ 'D', 0x40, 0x3d, 0xf8, 0x51, 0xeb, 0x85, 0x1e, 0xb8,
+ 'D', 0x40, 0x3f, 0x21, 0x47, 0xae, 0x14, 0x7a, 0xe1,
+ 'D', 0x40, 0x50, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 'D', 0x40, 0x00, 0xe7, 0x6c, 0x8b, 0x43, 0x95, 0x81,
+ 'D', 0x40, 0x37, 0xe3, 0x53, 0xf7, 0xce, 0xd9, 0x17,
+ ']'
+ };
+ CHECK(json::to_ubjson(j) == v);
+ CHECK(json::from_ubjson(v) == j);
+ }
+
+ SECTION("Optimized with count")
+ {
+ // note the floats have been replaced by doubles
+ json const j = {29.97, 31.13, 67.0, 2.113, 23.888};
+ std::vector<uint8_t> const v = {'[', '#', 'i', 5,
+ 'D', 0x40, 0x3d, 0xf8, 0x51, 0xeb, 0x85, 0x1e, 0xb8,
+ 'D', 0x40, 0x3f, 0x21, 0x47, 0xae, 0x14, 0x7a, 0xe1,
+ 'D', 0x40, 0x50, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 'D', 0x40, 0x00, 0xe7, 0x6c, 0x8b, 0x43, 0x95, 0x81,
+ 'D', 0x40, 0x37, 0xe3, 0x53, 0xf7, 0xce, 0xd9, 0x17
+ };
+ CHECK(json::to_ubjson(j, true) == v);
+ CHECK(json::from_ubjson(v) == j);
+ }
+
+ SECTION("Optimized with type & count")
+ {
+ // note the floats have been replaced by doubles
+ json const j = {29.97, 31.13, 67.0, 2.113, 23.888};
+ std::vector<uint8_t> const v = {'[', '$', 'D', '#', 'i', 5,
+ 0x40, 0x3d, 0xf8, 0x51, 0xeb, 0x85, 0x1e, 0xb8,
+ 0x40, 0x3f, 0x21, 0x47, 0xae, 0x14, 0x7a, 0xe1,
+ 0x40, 0x50, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x40, 0x00, 0xe7, 0x6c, 0x8b, 0x43, 0x95, 0x81,
+ 0x40, 0x37, 0xe3, 0x53, 0xf7, 0xce, 0xd9, 0x17
+ };
+ CHECK(json::to_ubjson(j, true, true) == v);
+ CHECK(json::from_ubjson(v) == j);
+ }
+ }
+
+ SECTION("Object Example")
+ {
+ SECTION("No Optimization")
+ {
+ // note the floats have been replaced by doubles
+ json const j = { {"lat", 29.976}, {"long", 31.131}, {"alt", 67.0} };
+ std::vector<uint8_t> const v = {'{',
+ 'i', 3, 'a', 'l', 't', 'D', 0x40, 0x50, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 'i', 3, 'l', 'a', 't', 'D', 0x40, 0x3d, 0xf9, 0xdb, 0x22, 0xd0, 0xe5, 0x60,
+ 'i', 4, 'l', 'o', 'n', 'g', 'D', 0x40, 0x3f, 0x21, 0x89, 0x37, 0x4b, 0xc6, 0xa8,
+ '}'
+ };
+ CHECK(json::to_ubjson(j) == v);
+ CHECK(json::from_ubjson(v) == j);
+ }
+
+ SECTION("Optimized with count")
+ {
+ // note the floats have been replaced by doubles
+ json const j = { {"lat", 29.976}, {"long", 31.131}, {"alt", 67.0} };
+ std::vector<uint8_t> const v = {'{', '#', 'i', 3,
+ 'i', 3, 'a', 'l', 't', 'D', 0x40, 0x50, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 'i', 3, 'l', 'a', 't', 'D', 0x40, 0x3d, 0xf9, 0xdb, 0x22, 0xd0, 0xe5, 0x60,
+ 'i', 4, 'l', 'o', 'n', 'g', 'D', 0x40, 0x3f, 0x21, 0x89, 0x37, 0x4b, 0xc6, 0xa8
+ };
+ CHECK(json::to_ubjson(j, true) == v);
+ CHECK(json::from_ubjson(v) == j);
+ }
+
+ SECTION("Optimized with type & count")
+ {
+ // note the floats have been replaced by doubles
+ json const j = { {"lat", 29.976}, {"long", 31.131}, {"alt", 67.0} };
+ std::vector<uint8_t> const v = {'{', '$', 'D', '#', 'i', 3,
+ 'i', 3, 'a', 'l', 't', 0x40, 0x50, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 'i', 3, 'l', 'a', 't', 0x40, 0x3d, 0xf9, 0xdb, 0x22, 0xd0, 0xe5, 0x60,
+ 'i', 4, 'l', 'o', 'n', 'g', 0x40, 0x3f, 0x21, 0x89, 0x37, 0x4b, 0xc6, 0xa8
+ };
+ CHECK(json::to_ubjson(j, true, true) == v);
+ CHECK(json::from_ubjson(v) == j);
+ }
+ }
+
+ SECTION("Special Cases (Null, No-Op and Boolean)")
+ {
+ SECTION("Array")
+ {
+ std::vector<uint8_t> const v = {'[', '$', 'N', '#', 'I', 0x02, 0x00};
+ CHECK(json::from_ubjson(v) == json::array());
+ }
+
+ SECTION("Object")
+ {
+ std::vector<uint8_t> const v = {'{', '$', 'Z', '#', 'i', 3, 'i', 4, 'n', 'a', 'm', 'e', 'i', 8, 'p', 'a', 's', 's', 'w', 'o', 'r', 'd', 'i', 5, 'e', 'm', 'a', 'i', 'l'};
+ CHECK(json::from_ubjson(v) == json({ {"name", nullptr}, {"password", nullptr}, {"email", nullptr} }));
+ }
+ }
+ }
+}
+
+#if !defined(JSON_NOEXCEPTION)
+TEST_CASE("all UBJSON first bytes")
+{
+ // these bytes will fail immediately with exception parse_error.112
+ std::set<uint8_t> supported =
+ {
+ 'T', 'F', 'Z', 'U', 'i', 'I', 'l', 'L', 'd', 'D', 'C', 'S', '[', '{', 'N', 'H'
+ };
+
+ for (auto i = 0; i < 256; ++i)
+ {
+ const auto byte = static_cast<uint8_t>(i);
+ CAPTURE(byte)
+
+ try
+ {
+ auto res = json::from_ubjson(std::vector<uint8_t>(1, byte));
+ }
+ catch (const json::parse_error& e)
+ {
+ // check that parse_error.112 is only thrown if the
+ // first byte is not in the supported set
+ INFO_WITH_TEMP(e.what());
+ if (supported.find(byte) == supported.end())
+ {
+ CHECK(e.id == 112);
+ }
+ else
+ {
+ CHECK(e.id != 112);
+ }
+ }
+ }
+}
+#endif
+
+TEST_CASE("UBJSON roundtrips" * doctest::skip())
+{
+ SECTION("input from self-generated UBJSON files")
+ {
+ for (std::string filename :
+ {
+ TEST_DATA_DIRECTORY "/json_nlohmann_tests/all_unicode.json",
+ TEST_DATA_DIRECTORY "/json.org/1.json",
+ TEST_DATA_DIRECTORY "/json.org/2.json",
+ TEST_DATA_DIRECTORY "/json.org/3.json",
+ TEST_DATA_DIRECTORY "/json.org/4.json",
+ TEST_DATA_DIRECTORY "/json.org/5.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip01.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip02.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip03.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip04.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip05.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip06.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip07.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip08.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip09.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip10.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip11.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip12.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip13.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip14.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip15.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip16.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip17.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip18.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip19.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip20.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip21.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip22.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip23.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip24.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip25.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip26.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip27.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip28.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip29.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip30.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip31.json",
+ TEST_DATA_DIRECTORY "/json_roundtrip/roundtrip32.json",
+ TEST_DATA_DIRECTORY "/json_testsuite/sample.json",
+ TEST_DATA_DIRECTORY "/json_tests/pass1.json",
+ TEST_DATA_DIRECTORY "/json_tests/pass2.json",
+ TEST_DATA_DIRECTORY "/json_tests/pass3.json"
+ })
+ {
+ CAPTURE(filename)
+
+ {
+ INFO_WITH_TEMP(filename + ": std::vector<uint8_t>");
+ // parse JSON file
+ std::ifstream f_json(filename);
+ json const j1 = json::parse(f_json);
+
+ // parse UBJSON file
+ auto const packed = utils::read_binary_file(filename + ".ubjson");
+ json j2;
+ CHECK_NOTHROW(j2 = json::from_ubjson(packed));
+
+ // compare parsed JSON values
+ CHECK(j1 == j2);
+ }
+
+ {
+ INFO_WITH_TEMP(filename + ": std::ifstream");
+ // parse JSON file
+ std::ifstream f_json(filename);
+ json const j1 = json::parse(f_json);
+
+ // parse UBJSON file
+ std::ifstream f_ubjson(filename + ".ubjson", std::ios::binary);
+ json j2;
+ CHECK_NOTHROW(j2 = json::from_ubjson(f_ubjson));
+
+ // compare parsed JSON values
+ CHECK(j1 == j2);
+ }
+
+ {
+ INFO_WITH_TEMP(filename + ": uint8_t* and size");
+ // parse JSON file
+ std::ifstream f_json(filename);
+ const json j1 = json::parse(f_json);
+
+ // parse UBJSON file
+ auto const packed = utils::read_binary_file(filename + ".ubjson");
+ json j2;
+ CHECK_NOTHROW(j2 = json::from_ubjson({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 const j1 = json::parse(f_json);
+
+ // parse UBJSON file
+ auto const packed = utils::read_binary_file(filename + ".ubjson");
+
+ {
+ INFO_WITH_TEMP(filename + ": output adapters: std::vector<uint8_t>");
+ std::vector<uint8_t> vec;
+ json::to_ubjson(j1, vec);
+ CHECK(vec == packed);
+ }
+ }
+ }
+ }
+}
generated by cgit 0.0.5-2-1-g0f52 (git 2.46.0) at 2026-04-05 20:46:55 +0000