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json/test/src/unit-bson.cpp

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BSON: serialization of non-objects is not supported
2018-09-14 20:58:22 +00:00
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 3.2.0
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.
SPDX-License-Identifier: MIT
Copyright (c) 2013-2018 Niels Lohmann <http://nlohmann.me>.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include "catch.hpp"
#include <nlohmann/json.hpp>
using nlohmann::json;
#include <fstream>
TEST_CASE("BSON")
{
BSON: Support empty objects
2018-09-14 22:43:39 +00:00
SECTION("individual values not supported")
BSON: serialization of non-objects is not supported
2018-09-14 20:58:22 +00:00
{
SECTION("discarded")
{
// discarded values are not serialized
json j = json::value_t::discarded;
const auto result = json::to_bson(j);
CHECK(result.empty());
}
SECTION("null")
{
json j = nullptr;
REQUIRE_THROWS_AS(json::to_bson(j), json::type_error);
}
SECTION("boolean")
{
SECTION("true")
{
json j = true;
REQUIRE_THROWS_AS(json::to_bson(j), json::type_error);
}
SECTION("false")
{
json j = false;
REQUIRE_THROWS_AS(json::to_bson(j), json::type_error);
}
}
BSON: Support empty objects
2018-09-14 22:43:39 +00:00
SECTION("number")
{
json j = 42;
REQUIRE_THROWS_AS(json::to_bson(j), json::type_error);
}
SECTION("float")
{
json j = 4.2;
REQUIRE_THROWS_AS(json::to_bson(j), json::type_error);
}
SECTION("string")
{
json j = "not supported";
REQUIRE_THROWS_AS(json::to_bson(j), json::type_error);
}
SECTION("array")
{
json j = std::vector<int> {1, 2, 3, 4, 5, 6, 7};
REQUIRE_THROWS_AS(json::to_bson(j), json::type_error);
}
}
BSON: throw `json.exception.out_of_range.409` in case a key to be serialized to BSON contains a U+0000
2018-10-16 18:42:00 +00:00
SECTION("keys containing code-point U+0000 cannot be serialized to BSON")
{
json j =
{
{ std::string("en\0try", 6), true }
};
REQUIRE_THROWS_AS(json::to_bson(j), json::out_of_range);
CHECK_THROWS_WITH(json::to_bson(j), "[json.exception.out_of_range.409] BSON key cannot contain code point U+0000");
}
BSON: Support empty objects
2018-09-14 22:43:39 +00:00
SECTION("objects")
{
SECTION("empty object")
{
json j = json::object();
std::vector<uint8_t> expected =
{
0x05, 0x00, 0x00, 0x00, // size (little endian)
// no entries
0x00 // end marker
};
const auto result = json::to_bson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_bson(result) == j);
CHECK(json::from_bson(result, true, false) == j);
}
BSON: Object with single boolean
2018-09-15 01:08:50 +00:00
SECTION("non-empty object with bool")
{
json j =
{
{ "entry", true }
};
std::vector<uint8_t> expected =
{
0x0D, 0x00, 0x00, 0x00, // size (little endian)
0x08, // entry: boolean
'e', 'n', 't', 'r', 'y', '\x00',
0x01, // value = true
0x00 // end marker
};
const auto result = json::to_bson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_bson(result) == j);
CHECK(json::from_bson(result, true, false) == j);
}
BSON: support doubles
2018-09-15 01:23:54 +00:00
SECTION("non-empty object with bool")
{
json j =
{
{ "entry", false }
};
std::vector<uint8_t> expected =
{
0x0D, 0x00, 0x00, 0x00, // size (little endian)
0x08, // entry: boolean
'e', 'n', 't', 'r', 'y', '\x00',
0x00, // value = false
0x00 // end marker
};
const auto result = json::to_bson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_bson(result) == j);
CHECK(json::from_bson(result, true, false) == j);
}
SECTION("non-empty object with double")
{
json j =
{
{ "entry", 4.2 }
};
std::vector<uint8_t> expected =
{
0x14, 0x00, 0x00, 0x00, // size (little endian)
0x01, /// entry: double
'e', 'n', 't', 'r', 'y', '\x00',
0xcd, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x10, 0x40,
0x00 // end marker
};
const auto result = json::to_bson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_bson(result) == j);
CHECK(json::from_bson(result, true, false) == j);
}
BSON: Support objects with string members
2018-09-15 09:33:24 +00:00
SECTION("non-empty object with string")
{
json j =
{
{ "entry", "bsonstr" }
};
std::vector<uint8_t> expected =
{
0x18, 0x00, 0x00, 0x00, // size (little endian)
0x02, /// entry: string (UTF-8)
'e', 'n', 't', 'r', 'y', '\x00',
0x08, 0x00, 0x00, 0x00, 'b', 's', 'o', 'n', 's', 't', 'r', '\x00',
0x00 // end marker
};
const auto result = json::to_bson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_bson(result) == j);
CHECK(json::from_bson(result, true, false) == j);
}
BSON: support objects with null members
2018-09-15 09:38:26 +00:00
SECTION("non-empty object with null member")
{
json j =
{
{ "entry", nullptr }
};
std::vector<uint8_t> expected =
{
0x0C, 0x00, 0x00, 0x00, // size (little endian)
0x0A, /// entry: null
'e', 'n', 't', 'r', 'y', '\x00',
0x00 // end marker
};
const auto result = json::to_bson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_bson(result) == j);
CHECK(json::from_bson(result, true, false) == j);
}
BSON: support objects with int32 members
2018-09-15 09:54:17 +00:00
SECTION("non-empty object with integer (32-bit) member")
{
json j =
{
{ "entry", std::int32_t{0x12345678} }
};
std::vector<uint8_t> expected =
{
0x10, 0x00, 0x00, 0x00, // size (little endian)
0x10, /// entry: int32
'e', 'n', 't', 'r', 'y', '\x00',
0x78, 0x56, 0x34, 0x12,
0x00 // end marker
};
const auto result = json::to_bson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_bson(result) == j);
CHECK(json::from_bson(result, true, false) == j);
}
BSON: support objects with int64 members
2018-09-15 10:00:53 +00:00
SECTION("non-empty object with integer (64-bit) member")
{
json j =
{
{ "entry", std::int64_t{0x1234567804030201} }
};
std::vector<uint8_t> expected =
{
0x14, 0x00, 0x00, 0x00, // size (little endian)
0x12, /// entry: int64
'e', 'n', 't', 'r', 'y', '\x00',
0x01, 0x02, 0x03, 0x04, 0x78, 0x56, 0x34, 0x12,
0x00 // end marker
};
const auto result = json::to_bson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_bson(result) == j);
CHECK(json::from_bson(result, true, false) == j);
}
BSON: Support objects with string members
2018-09-15 09:33:24 +00:00
BSON: unsigned integers
2018-09-15 10:11:21 +00:00
SECTION("non-empty object with negative integer (32-bit) member")
{
json j =
{
{ "entry", std::int32_t{-1} }
};
std::vector<uint8_t> expected =
{
0x10, 0x00, 0x00, 0x00, // size (little endian)
0x10, /// entry: int32
'e', 'n', 't', 'r', 'y', '\x00',
0xFF, 0xFF, 0xFF, 0xFF,
0x00 // end marker
};
const auto result = json::to_bson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_bson(result) == j);
CHECK(json::from_bson(result, true, false) == j);
}
SECTION("non-empty object with negative integer (64-bit) member")
{
json j =
{
{ "entry", std::int64_t{-1} }
};
std::vector<uint8_t> expected =
{
0x10, 0x00, 0x00, 0x00, // size (little endian)
0x10, /// entry: int32
'e', 'n', 't', 'r', 'y', '\x00',
0xFF, 0xFF, 0xFF, 0xFF,
0x00 // end marker
};
const auto result = json::to_bson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_bson(result) == j);
CHECK(json::from_bson(result, true, false) == j);
}
SECTION("non-empty object with unsigned integer (64-bit) member")
{
// directly encoding uint64 is not supported in bson (only for timestamp values)
json j =
{
{ "entry", std::uint64_t{0x1234567804030201} }
};
std::vector<uint8_t> expected =
{
0x14, 0x00, 0x00, 0x00, // size (little endian)
0x12, /// entry: int64
'e', 'n', 't', 'r', 'y', '\x00',
0x01, 0x02, 0x03, 0x04, 0x78, 0x56, 0x34, 0x12,
0x00 // end marker
};
const auto result = json::to_bson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_bson(result) == j);
CHECK(json::from_bson(result, true, false) == j);
}
BSON: support objects with objects as members
2018-09-15 11:03:42 +00:00
BSON: Fixed hangup in case of incomplete bson input and improved test coverage
2018-09-25 18:34:25 +00:00
SECTION("non-empty object with small unsigned integer member")
{
json j =
{
{ "entry", std::uint64_t{0x42} }
};
std::vector<uint8_t> expected =
{
0x10, 0x00, 0x00, 0x00, // size (little endian)
0x10, /// entry: int32
'e', 'n', 't', 'r', 'y', '\x00',
0x42, 0x00, 0x00, 0x00,
0x00 // end marker
};
const auto result = json::to_bson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_bson(result) == j);
CHECK(json::from_bson(result, true, false) == j);
}
BSON: allow and discard values and object entries of type `value_t::discarded`
2018-10-07 18:08:05 +00:00
SECTION("discarded values are not serialized")
{
json j = json::value_t::discarded;
const auto result = json::to_bson(j);
CHECK(result.empty());
}
SECTION("discarded members are not serialized")
{
json j =
{
{ "entry", json::value_t::discarded }
};
std::vector<uint8_t> expected =
{
0x05, 0x00, 0x00, 0x00, // size (little endian)
// no entries
0x00 // end marker
};
const auto result = json::to_bson(j);
CHECK(result == expected);
}
BSON: Fixed hangup in case of incomplete bson input and improved test coverage
2018-09-25 18:34:25 +00:00
BSON: support objects with objects as members
2018-09-15 11:03:42 +00:00
SECTION("non-empty object with object member")
{
json j =
{
{ "entry", json::object() }
};
std::vector<uint8_t> expected =
{
0x11, 0x00, 0x00, 0x00, // size (little endian)
0x03, /// entry: embedded document
'e', 'n', 't', 'r', 'y', '\x00',
0x05, 0x00, 0x00, 0x00, // size (little endian)
// no entries
0x00, // end marker (embedded document)
0x00 // end marker
};
const auto result = json::to_bson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_bson(result) == j);
CHECK(json::from_bson(result, true, false) == j);
}
BSON: test case for a more complex document
2018-09-15 11:40:20 +00:00
BSON: Support for arrays
2018-09-15 11:54:08 +00:00
SECTION("non-empty object with array member")
{
json j =
{
{ "entry", json::array() }
};
std::vector<uint8_t> expected =
{
0x11, 0x00, 0x00, 0x00, // size (little endian)
0x04, /// entry: embedded document
'e', 'n', 't', 'r', 'y', '\x00',
0x05, 0x00, 0x00, 0x00, // size (little endian)
// no entries
0x00, // end marker (embedded document)
0x00 // end marker
};
const auto result = json::to_bson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_bson(result) == j);
CHECK(json::from_bson(result, true, false) == j);
}
BSON: Bugfix for non-empty arrays
2018-09-15 12:08:38 +00:00
SECTION("non-empty object with non-empty array member")
{
json j =
{
{ "entry", json::array({1, 2, 3, 4, 5, 6, 7, 8}) }
};
std::vector<uint8_t> expected =
{
0x41, 0x00, 0x00, 0x00, // size (little endian)
0x04, /// entry: embedded document
'e', 'n', 't', 'r', 'y', '\x00',
0x35, 0x00, 0x00, 0x00, // size (little endian)
0x10, 0x00, 0x01, 0x00, 0x00, 0x00,
0x10, 0x00, 0x02, 0x00, 0x00, 0x00,
0x10, 0x00, 0x03, 0x00, 0x00, 0x00,
0x10, 0x00, 0x04, 0x00, 0x00, 0x00,
0x10, 0x00, 0x05, 0x00, 0x00, 0x00,
0x10, 0x00, 0x06, 0x00, 0x00, 0x00,
0x10, 0x00, 0x07, 0x00, 0x00, 0x00,
0x10, 0x00, 0x08, 0x00, 0x00, 0x00,
0x00, // end marker (embedded document)
0x00 // end marker
};
const auto result = json::to_bson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_bson(result) == j);
CHECK(json::from_bson(result, true, false) == j);
}
BSON: test case for a more complex document
2018-09-15 11:40:20 +00:00
SECTION("Some more complex document")
{
// directly encoding uint64 is not supported in bson (only for timestamp values)
json j =
{
{"double", 42.5},
{"entry", 4.2},
{"number", 12345},
{"object", {{ "string", "value" }}}
};
std::vector<uint8_t> expected =
{
/*size */ 0x4f, 0x00, 0x00, 0x00,
/*entry*/ 0x01, 'd', 'o', 'u', 'b', 'l', 'e', 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x45, 0x40,
/*entry*/ 0x01, 'e', 'n', 't', 'r', 'y', 0x00, 0xcd, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x10, 0x40,
/*entry*/ 0x10, 'n', 'u', 'm', 'b', 'e', 'r', 0x00, 0x39, 0x30, 0x00, 0x00,
/*entry*/ 0x03, 'o', 'b', 'j', 'e', 'c', 't', 0x00,
/*entry: obj-size */ 0x17, 0x00, 0x00, 0x00,
/*entry: obj-entry*/0x02, 's', 't', 'r', 'i', 'n', 'g', 0x00, 0x06, 0x00, 0x00, 0x00, 'v', 'a', 'l', 'u', 'e', 0,
/*entry: obj-term.*/0x00,
/*obj-term*/ 0x00
};
const auto result = json::to_bson(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_bson(result) == j);
CHECK(json::from_bson(result, true, false) == j);
}
BSON: serialization of non-objects is not supported
2018-09-14 20:58:22 +00:00
}
}
BSON: Added test case for the different input/output_adapters
2018-09-24 21:35:19 +00:00
TEST_CASE("BSON input/output_adapters")
{
json json_representation =
{
{"double", 42.5},
{"entry", 4.2},
{"number", 12345},
{"object", {{ "string", "value" }}}
};
std::vector<uint8_t> bson_representation =
{
/*size */ 0x4f, 0x00, 0x00, 0x00,
/*entry*/ 0x01, 'd', 'o', 'u', 'b', 'l', 'e', 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x45, 0x40,
/*entry*/ 0x01, 'e', 'n', 't', 'r', 'y', 0x00, 0xcd, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x10, 0x40,
/*entry*/ 0x10, 'n', 'u', 'm', 'b', 'e', 'r', 0x00, 0x39, 0x30, 0x00, 0x00,
/*entry*/ 0x03, 'o', 'b', 'j', 'e', 'c', 't', 0x00,
/*entry: obj-size */ 0x17, 0x00, 0x00, 0x00,
/*entry: obj-entry*/0x02, 's', 't', 'r', 'i', 'n', 'g', 0x00, 0x06, 0x00, 0x00, 0x00, 'v', 'a', 'l', 'u', 'e', 0,
/*entry: obj-term.*/0x00,
/*obj-term*/ 0x00
};
json j2;
CHECK_NOTHROW(j2 = json::from_bson(bson_representation));
// compare parsed JSON values
CHECK(json_representation == j2);
SECTION("roundtrips")
{
SECTION("std::ostringstream")
{
std::ostringstream ss;
json::to_bson(json_representation, ss);
std::istringstream iss(ss.str());
json j3 = json::from_bson(iss);
CHECK(json_representation == j3);
}
SECTION("std::string")
{
std::string s;
json::to_bson(json_representation, s);
json j3 = json::from_bson(s);
CHECK(json_representation == j3);
}
SECTION("std::vector")
{
std::vector<std::uint8_t> v;
json::to_bson(json_representation, v);
json j3 = json::from_bson(v);
CHECK(json_representation == j3);
}
}
}
BSON: Fixed hangup in case of incomplete bson input and improved test coverage
2018-09-25 18:34:25 +00:00
class SaxCountdown
{
public:
explicit SaxCountdown(const int count) : events_left(count)
{}
bool null()
{
return events_left-- > 0;
}
bool boolean(bool)
{
return events_left-- > 0;
}
bool number_integer(json::number_integer_t)
{
return events_left-- > 0;
}
bool number_unsigned(json::number_unsigned_t)
{
return events_left-- > 0;
}
bool number_float(json::number_float_t, const std::string&)
{
return events_left-- > 0;
}
bool string(std::string&)
{
return events_left-- > 0;
}
bool start_object(std::size_t)
{
return events_left-- > 0;
}
bool key(std::string&)
{
return events_left-- > 0;
}
bool end_object()
{
return events_left-- > 0;
}
bool start_array(std::size_t)
{
return events_left-- > 0;
}
bool end_array()
{
return events_left-- > 0;
}
bool parse_error(std::size_t, const std::string&, const json::exception&)
{
return false;
}
private:
int events_left = 0;
};
TEST_CASE("Incomplete BSON INPUT")
{
std::vector<uint8_t> incomplete_bson =
{
0x0D, 0x00, 0x00, 0x00, // size (little endian)
0x08, // entry: boolean
'e', 'n', 't' // unexpected EOF
};
CHECK_THROWS_WITH(json::from_bson(incomplete_bson),
"[json.exception.parse_error.110] parse error at 9: unexpected end of input");
CHECK(json::from_bson(incomplete_bson, true, false).is_discarded());
SaxCountdown scp(0);
CHECK(not json::sax_parse(incomplete_bson, &scp, json::input_format_t::bson));
}
TEST_CASE("Incomplete BSON INPUT 2")
{
std::vector<uint8_t> incomplete_bson =
{
0x0D, 0x00, 0x00, 0x00, // size (little endian)
0x08, // entry: boolean, unexpected EOF
};
CHECK_THROWS_WITH(json::from_bson(incomplete_bson),
"[json.exception.parse_error.110] parse error at 6: unexpected end of input");
CHECK(json::from_bson(incomplete_bson, true, false).is_discarded());
SaxCountdown scp(0);
CHECK(not json::sax_parse(incomplete_bson, &scp, json::input_format_t::bson));
}
TEST_CASE("Incomplete BSON INPUT 3")
{
std::vector<uint8_t> incomplete_bson =
{
0x41, 0x00, 0x00, 0x00, // size (little endian)
0x04, /// entry: embedded document
'e', 'n', 't', 'r', 'y', '\x00',
0x35, 0x00, 0x00, 0x00, // size (little endian)
0x10, 0x00, 0x01, 0x00, 0x00, 0x00,
0x10, 0x00, 0x02, 0x00, 0x00, 0x00
// missing input data...
};
CHECK_THROWS_WITH(json::from_bson(incomplete_bson),
BSON: throw json.exception.out_of_range.407 in case a value of type `std::uint64_t` is serialized to BSON. Also, added a missing EOF-check to binary_reader.
2018-10-16 17:13:07 +00:00
"[json.exception.parse_error.110] parse error at 28: unexpected end of input");
BSON: Fixed hangup in case of incomplete bson input and improved test coverage
2018-09-25 18:34:25 +00:00
CHECK(json::from_bson(incomplete_bson, true, false).is_discarded());
SaxCountdown scp(1);
CHECK(not json::sax_parse(incomplete_bson, &scp, json::input_format_t::bson));
}
TEST_CASE("Incomplete BSON INPUT 4")
{
std::vector<uint8_t> incomplete_bson =
{
0x0D, 0x00, // size (incomplete), unexpected EOF
};
CHECK_THROWS_WITH(json::from_bson(incomplete_bson),
"[json.exception.parse_error.110] parse error at 3: unexpected end of input");
CHECK(json::from_bson(incomplete_bson, true, false).is_discarded());
SaxCountdown scp(0);
CHECK(not json::sax_parse(incomplete_bson, &scp, json::input_format_t::bson));
}
BSON: Improved documentation and error handling/reporting
2018-10-07 05:52:12 +00:00
TEST_CASE("Unsupported BSON input")
{
std::vector<uint8_t> bson =
{
0x0C, 0x00, 0x00, 0x00, // size (little endian)
0xFF, // entry type: Min key (not supported yet)
'e', 'n', 't', 'r', 'y', '\x00',
0x00 // end marker
};
CHECK_THROWS_WITH(json::from_bson(bson),
"[json.exception.parse_error.114] parse error at 5: Unsupported BSON record type 0xFF");
CHECK(json::from_bson(bson, true, false).is_discarded());
SaxCountdown scp(0);
CHECK(not json::sax_parse(bson, &scp, json::input_format_t::bson));
}
BSON: throw json.exception.out_of_range.407 in case a value of type `std::uint64_t` is serialized to BSON. Also, added a missing EOF-check to binary_reader.
2018-10-16 17:13:07 +00:00
TEST_CASE("BSON numerical data")
{
SECTION("number")
{
SECTION("signed")
{
SECTION("std::int64_t: INT64_MIN .. INT32_MIN-1")
{
std::vector<int64_t> numbers
{
INT64_MIN,
-1000000000000000000LL,
-100000000000000000LL,
-10000000000000000LL,
-1000000000000000LL,
-100000000000000LL,
-10000000000000LL,
-1000000000000LL,
-100000000000LL,
-10000000000LL,
static_cast<std::int64_t>(INT32_MIN) - 1,
};
for (auto i : numbers)
{
CAPTURE(i);
json j =
{
{ "entry", i }
};
CHECK(j.at("entry").is_number_integer());
std::uint64_t iu = *reinterpret_cast<std::uint64_t*>(&i);
std::vector<uint8_t> expected_bson =
{
0x14u, 0x00u, 0x00u, 0x00u, // size (little endian)
0x12u, /// entry: int64
'e', 'n', 't', 'r', 'y', '\x00',
static_cast<uint8_t>((iu >> (8u * 0u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 1u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 2u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 3u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 4u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 5u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 6u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 7u)) & 0xffu),
0x00u // end marker
};
const auto bson = json::to_bson(j);
CHECK(bson == expected_bson);
auto j_roundtrip = json::from_bson(bson);
CHECK(j_roundtrip.at("entry").is_number_integer());
CHECK(j_roundtrip == j);
CHECK(json::from_bson(bson, true, false) == j);
}
}
SECTION("signed std::int32_t: INT32_MIN .. INT32_MAX")
{
std::vector<int32_t> numbers
{
INT32_MIN,
-2147483647L,
-1000000000L,
-100000000L,
-10000000L,
-1000000L,
-100000L,
-10000L,
-1000L,
-100L,
-10L,
-1L,
0L,
1L,
10L,
100L,
1000L,
10000L,
100000L,
1000000L,
10000000L,
100000000L,
1000000000L,
2147483646L,
INT32_MAX
};
for (auto i : numbers)
{
CAPTURE(i);
json j =
{
{ "entry", i }
};
CHECK(j.at("entry").is_number_integer());
std::uint64_t iu = *reinterpret_cast<std::uint64_t*>(&i);
std::vector<uint8_t> expected_bson =
{
0x10u, 0x00u, 0x00u, 0x00u, // size (little endian)
0x10u, /// entry: int32
'e', 'n', 't', 'r', 'y', '\x00',
static_cast<uint8_t>((iu >> (8u * 0u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 1u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 2u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 3u)) & 0xffu),
0x00u // end marker
};
const auto bson = json::to_bson(j);
CHECK(bson == expected_bson);
auto j_roundtrip = json::from_bson(bson);
CHECK(j_roundtrip.at("entry").is_number_integer());
CHECK(j_roundtrip == j);
CHECK(json::from_bson(bson, true, false) == j);
}
}
SECTION("signed std::int64_t: INT32_MAX+1 .. INT64_MAX")
{
std::vector<int64_t> numbers
{
INT64_MAX,
1000000000000000000LL,
100000000000000000LL,
10000000000000000LL,
1000000000000000LL,
100000000000000LL,
10000000000000LL,
1000000000000LL,
100000000000LL,
10000000000LL,
static_cast<std::int64_t>(INT32_MAX) + 1,
};
for (auto i : numbers)
{
CAPTURE(i);
json j =
{
{ "entry", i }
};
CHECK(j.at("entry").is_number_integer());
std::uint64_t iu = *reinterpret_cast<std::uint64_t*>(&i);
std::vector<uint8_t> expected_bson =
{
0x14u, 0x00u, 0x00u, 0x00u, // size (little endian)
0x12u, /// entry: int64
'e', 'n', 't', 'r', 'y', '\x00',
static_cast<uint8_t>((iu >> (8u * 0u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 1u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 2u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 3u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 4u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 5u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 6u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 7u)) & 0xffu),
0x00u // end marker
};
const auto bson = json::to_bson(j);
CHECK(bson == expected_bson);
auto j_roundtrip = json::from_bson(bson);
CHECK(j_roundtrip.at("entry").is_number_integer());
CHECK(j_roundtrip == j);
CHECK(json::from_bson(bson, true, false) == j);
}
}
}
SECTION("unsigned")
{
SECTION("unsigned std::uint64_t: 0 .. INT32_MAX")
{
std::vector<std::uint64_t> numbers
{
0ULL,
1ULL,
10ULL,
100ULL,
1000ULL,
10000ULL,
100000ULL,
1000000ULL,
10000000ULL,
100000000ULL,
1000000000ULL,
2147483646ULL,
static_cast<std::uint64_t>(INT32_MAX)
};
for (auto i : numbers)
{
CAPTURE(i);
json j =
{
{ "entry", i }
};
std::uint64_t iu = *reinterpret_cast<std::uint64_t*>(&i);
std::vector<uint8_t> expected_bson =
{
0x10u, 0x00u, 0x00u, 0x00u, // size (little endian)
0x10u, /// entry: int32
'e', 'n', 't', 'r', 'y', '\x00',
static_cast<uint8_t>((iu >> (8u * 0u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 1u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 2u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 3u)) & 0xffu),
0x00u // end marker
};
const auto bson = json::to_bson(j);
CHECK(bson == expected_bson);
auto j_roundtrip = json::from_bson(bson);
CHECK(j.at("entry").is_number_unsigned());
CHECK(j_roundtrip.at("entry").is_number_integer());
CHECK(j_roundtrip == j);
CHECK(json::from_bson(bson, true, false) == j);
}
}
SECTION("unsigned std::uint64_t: INT32_MAX+1 .. INT64_MAX")
{
std::vector<std::uint64_t> numbers
{
static_cast<std::uint64_t>(INT32_MAX) + 1,
4000000000ULL,
static_cast<std::uint64_t>(UINT32_MAX),
10000000000ULL,
100000000000ULL,
1000000000000ULL,
10000000000000ULL,
100000000000000ULL,
1000000000000000ULL,
10000000000000000ULL,
100000000000000000ULL,
1000000000000000000ULL,
static_cast<std::uint64_t>(INT64_MAX),
};
for (auto i : numbers)
{
CAPTURE(i);
json j =
{
{ "entry", i }
};
std::uint64_t iu = *reinterpret_cast<std::uint64_t*>(&i);
std::vector<uint8_t> expected_bson =
{
0x14u, 0x00u, 0x00u, 0x00u, // size (little endian)
0x12u, /// entry: int64
'e', 'n', 't', 'r', 'y', '\x00',
static_cast<uint8_t>((iu >> (8u * 0u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 1u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 2u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 3u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 4u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 5u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 6u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 7u)) & 0xffu),
0x00u // end marker
};
const auto bson = json::to_bson(j);
CHECK(bson == expected_bson);
auto j_roundtrip = json::from_bson(bson);
CHECK(j.at("entry").is_number_unsigned());
CHECK(j_roundtrip.at("entry").is_number_integer());
CHECK(j_roundtrip == j);
CHECK(json::from_bson(bson, true, false) == j);
}
}
SECTION("unsigned std::uint64_t: INT64_MAX+1 .. UINT64_MAX")
{
std::vector<std::uint64_t> numbers
{
static_cast<std::uint64_t>(INT64_MAX) + 1ULL,
10000000000000000000ULL,
18000000000000000000ULL,
UINT64_MAX - 1ULL,
UINT64_MAX,
};
for (auto i : numbers)
{
CAPTURE(i);
json j =
{
{ "entry", i }
};
std::uint64_t iu = *reinterpret_cast<std::uint64_t*>(&i);
std::vector<uint8_t> expected_bson =
{
0x14u, 0x00u, 0x00u, 0x00u, // size (little endian)
0x12u, /// entry: int64
'e', 'n', 't', 'r', 'y', '\x00',
static_cast<uint8_t>((iu >> (8u * 0u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 1u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 2u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 3u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 4u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 5u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 6u)) & 0xffu),
static_cast<uint8_t>((iu >> (8u * 7u)) & 0xffu),
0x00u // end marker
};
CHECK_THROWS_AS(json::to_bson(j), json::out_of_range&);
CHECK_THROWS_WITH(json::to_bson(j), "[json.exception.out_of_range.407] number overflow serializing " + std::to_string(i));
}
}
}
}
}
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