/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 3.7.3
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.
SPDX-License-Identifier: MIT
Copyright (c) 2013-2019 Niels Lohmann <http://nlohmann.me>.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include "doctest_compatibility.h"
#include <nlohmann/json.hpp>
using nlohmann::json;
#include <fstream>
#include <sstream>
#include <test_data.hpp>
TEST_CASE("BSON")
{
SECTION("individual values not supported")
{
SECTION("null")
{
json j = nullptr;
CHECK_THROWS_AS(json::to_bson(j), json::type_error&);
CHECK_THROWS_WITH(json::to_bson(j), "[json.exception.type_error.317] to serialize to BSON, top-level type must be object, but is null");
}
SECTION("boolean")
{
SECTION("true")
{
json j = true;
CHECK_THROWS_AS(json::to_bson(j), json::type_error&);
CHECK_THROWS_WITH(json::to_bson(j), "[json.exception.type_error.317] to serialize to BSON, top-level type must be object, but is boolean");
}
SECTION("false")
{
json j = false;
CHECK_THROWS_AS(json::to_bson(j), json::type_error&);
CHECK_THROWS_WITH(json::to_bson(j), "[json.exception.type_error.317] to serialize to BSON, top-level type must be object, but is boolean");
}
}
SECTION("number")
{
json j = 42;
CHECK_THROWS_AS(json::to_bson(j), json::type_error&);
CHECK_THROWS_WITH(json::to_bson(j), "[json.exception.type_error.317] to serialize to BSON, top-level type must be object, but is number");
}
SECTION("float")
{
json j = 4.2;
CHECK_THROWS_AS(json::to_bson(j), json::type_error&);
CHECK_THROWS_WITH(json::to_bson(j), "[json.exception.type_error.317] to serialize to BSON, top-level type must be object, but is number");
}
SECTION("string")
{
json j = "not supported";
CHECK_THROWS_AS(json::to_bson(j), json::type_error&);
CHECK_THROWS_WITH(json::to_bson(j), "[json.exception.type_error.317] to serialize to BSON, top-level type must be object, but is string");
}
SECTION("array")
{
json j = std::vector<int> {1, 2, 3, 4, 5, 6, 7};
CHECK_THROWS_AS(json::to_bson(j), json::type_error&);
CHECK_THROWS_WITH(json::to_bson(j), "[json.exception.type_error.317] to serialize to BSON, top-level type must be object, but is array");
}
}
SECTION("keys containing code-point U+0000 cannot be serialized to BSON")
{
json j =
{
{ std::string("en\0try", 6), true }
};
CHECK_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 (at byte 2)");
}
SECTION("string length must be at least 1")
{
// from https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11175
std::vector<std::uint8_t> v =
{
0x20, 0x20, 0x20, 0x20,
0x02,
0x00,
0x00, 0x00, 0x00, 0x80
};
json _;
CHECK_THROWS_AS(_ = json::from_bson(v), json::parse_error&);
CHECK_THROWS_WITH(_ = json::from_bson(v), "[json.exception.parse_error.112] parse error at byte 10: syntax error while parsing BSON string: string length must be at least 1, is -2147483648");
}
SECTION("objects")
{
SECTION("empty object")
{
json j = json::object();
std::vector<std::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);
}
SECTION("non-empty object with bool")
{
json j =
{
{ "entry", true }
};
std::vector<std::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);
}
SECTION("non-empty object with bool")
{
json j =
{
{ "entry", false }
};
std::vector<std::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<std::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);
}
SECTION("non-empty object with string")
{
json j =
{
{ "entry", "bsonstr" }
};
std::vector<std::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);
}
SECTION("non-empty object with null member")
{
json j =
{
{ "entry", nullptr }
};
std::vector<std::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);
}
SECTION("non-empty object with integer (32-bit) member")
{
json j =
{
{ "entry", std::int32_t{0x12345678} }
};
std::vector<std::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);
}
SECTION("non-empty object with integer (64-bit) member")
{
json j =
{
{ "entry", std::int64_t{0x1234567804030201} }
};
std::vector<std::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);
}
SECTION("non-empty object with negative integer (32-bit) member")
{
json j =
{
{ "entry", std::int32_t{-1} }
};
std::vector<std::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<std::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<std::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);
}
SECTION("non-empty object with small unsigned integer member")
{
json j =
{
{ "entry", std::uint64_t{0x42} }
};
std::vector<std::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);
}
SECTION("non-empty object with object member")
{
json j =
{
{ "entry", json::object() }
};
std::vector<std::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);
}
SECTION("non-empty object with array member")
{
json j =
{
{ "entry", json::array() }
};
std::vector<std::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);
}
SECTION("non-empty object with non-empty array member")
{
json j =
{
{ "entry", json::array({1, 2, 3, 4, 5, 6, 7, 8}) }
};
std::vector<std::uint8_t> expected =
{
0x49, 0x00, 0x00, 0x00, // size (little endian)
0x04, /// entry: embedded document
'e', 'n', 't', 'r', 'y', '\x00',
0x3D, 0x00, 0x00, 0x00, // size (little endian)
0x10, '0', 0x00, 0x01, 0x00, 0x00, 0x00,
0x10, '1', 0x00, 0x02, 0x00, 0x00, 0x00,
0x10, '2', 0x00, 0x03, 0x00, 0x00, 0x00,
0x10, '3', 0x00, 0x04, 0x00, 0x00, 0x00,
0x10, '4', 0x00, 0x05, 0x00, 0x00, 0x00,
0x10, '5', 0x00, 0x06, 0x00, 0x00, 0x00,
0x10, '6', 0x00, 0x07, 0x00, 0x00, 0x00,
0x10, '7', 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);
}
SECTION("non-empty object with binary member")
{
const size_t N = 10;
const auto s = std::vector<std::uint8_t>(N, 'x');
json j =
{
{ "entry", json::binary(s, 0) }
};
std::vector<std::uint8_t> expected =
{
0x1B, 0x00, 0x00, 0x00, // size (little endian)
0x05, // entry: binary
'e', 'n', 't', 'r', 'y', '\x00',
0x0A, 0x00, 0x00, 0x00, // size of binary (little endian)
0x00, // Generic binary subtype
0x78, 0x78, 0x78, 0x78, 0x78, 0x78, 0x78, 0x78, 0x78, 0x78,
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 binary member with subtype")
{
// an MD5 hash
const std::vector<std::uint8_t> md5hash = {0xd7, 0x7e, 0x27, 0x54, 0xbe, 0x12, 0x37, 0xfe, 0xd6, 0x0c, 0x33, 0x98, 0x30, 0x3b, 0x8d, 0xc4};
json j =
{
{ "entry", json::binary(md5hash, 5) }
};
std::vector<std::uint8_t> expected =
{
0x21, 0x00, 0x00, 0x00, // size (little endian)
0x05, // entry: binary
'e', 'n', 't', 'r', 'y', '\x00',
0x10, 0x00, 0x00, 0x00, // size of binary (little endian)
0x05, // MD5 binary subtype
0xd7, 0x7e, 0x27, 0x54, 0xbe, 0x12, 0x37, 0xfe, 0xd6, 0x0c, 0x33, 0x98, 0x30, 0x3b, 0x8d, 0xc4,
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("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<std::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);
}
}
SECTION("Examples from http://bsonspec.org/faq.html")
{
SECTION("Example 1")
{
std::vector<std::uint8_t> input = {0x16, 0x00, 0x00, 0x00, 0x02, 'h', 'e', 'l', 'l', 'o', 0x00, 0x06, 0x00, 0x00, 0x00, 'w', 'o', 'r', 'l', 'd', 0x00, 0x00};
json parsed = json::from_bson(input);
json expected = {{"hello", "world"}};
CHECK(parsed == expected);
auto dumped = json::to_bson(parsed);
CHECK(dumped == input);
CHECK(json::from_bson(dumped) == expected);
}
SECTION("Example 2")
{
std::vector<std::uint8_t> input = {0x31, 0x00, 0x00, 0x00, 0x04, 'B', 'S', 'O', 'N', 0x00, 0x26, 0x00, 0x00, 0x00, 0x02, 0x30, 0x00, 0x08, 0x00, 0x00, 0x00, 'a', 'w', 'e', 's', 'o', 'm', 'e', 0x00, 0x01, 0x31, 0x00, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x14, 0x40, 0x10, 0x32, 0x00, 0xc2, 0x07, 0x00, 0x00, 0x00, 0x00};
json parsed = json::from_bson(input);
json expected = {{"BSON", {"awesome", 5.05, 1986}}};
CHECK(parsed == expected);
auto dumped = json::to_bson(parsed);
CHECK(dumped == input);
CHECK(json::from_bson(dumped) == expected);
}
}
}
TEST_CASE("BSON input/output_adapters")
{
json json_representation =
{
{"double", 42.5},
{"entry", 4.2},
{"number", 12345},
{"object", {{ "string", "value" }}}
};
std::vector<std::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::basic_ostringstream<std::uint8_t> ss;
json::to_bson(json_representation, ss);
json j3 = json::from_bson(ss.str());
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);
}
}
}
namespace
{
class SaxCountdown
{
public:
explicit SaxCountdown(const int count) : events_left(count)
{}
bool null()
{
return events_left-- > 0;
}
bool boolean(bool)
{
return events_left-- > 0;
}
bool number_integer(json::number_integer_t)
{
return events_left-- > 0;
}
bool number_unsigned(json::number_unsigned_t)
{
return events_left-- > 0;
}
bool number_float(json::number_float_t, const std::string&)
{
return events_left-- > 0;
}
bool string(std::string&)
{
return events_left-- > 0;
}
bool binary(std::vector<std::uint8_t>&)
{
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")
{
SECTION("Incomplete BSON Input 1")
{
std::vector<std::uint8_t> incomplete_bson =
{
0x0D, 0x00, 0x00, 0x00, // size (little endian)
0x08, // entry: boolean
'e', 'n', 't' // unexpected EOF
};
json _;
CHECK_THROWS_AS(_ = json::from_bson(incomplete_bson), json::parse_error&);
CHECK_THROWS_WITH(_ = json::from_bson(incomplete_bson),
"[json.exception.parse_error.110] parse error at byte 9: syntax error while parsing BSON cstring: unexpected end of input");
CHECK(json::from_bson(incomplete_bson, true, false).is_discarded());
SaxCountdown scp(0);
CHECK(!json::sax_parse(incomplete_bson, &scp, json::input_format_t::bson));
}
SECTION("Incomplete BSON Input 2")
{
std::vector<std::uint8_t> incomplete_bson =
{
0x0D, 0x00, 0x00, 0x00, // size (little endian)
0x08, // entry: boolean, unexpected EOF
};
json _;
CHECK_THROWS_AS(_ = json::from_bson(incomplete_bson), json::parse_error&);
CHECK_THROWS_WITH(_ = json::from_bson(incomplete_bson),
"[json.exception.parse_error.110] parse error at byte 6: syntax error while parsing BSON cstring: unexpected end of input");
CHECK(json::from_bson(incomplete_bson, true, false).is_discarded());
SaxCountdown scp(0);
CHECK(!json::sax_parse(incomplete_bson, &scp, json::input_format_t::bson));
}
SECTION("Incomplete BSON Input 3")
{
std::vector<std::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...
};
json _;
CHECK_THROWS_AS(_ = json::from_bson(incomplete_bson), json::parse_error&);
CHECK_THROWS_WITH(_ = json::from_bson(incomplete_bson),
"[json.exception.parse_error.110] parse error at byte 28: syntax error while parsing BSON element list: unexpected end of input");
CHECK(json::from_bson(incomplete_bson, true, false).is_discarded());
SaxCountdown scp(1);
CHECK(!json::sax_parse(incomplete_bson, &scp, json::input_format_t::bson));
}
SECTION("Incomplete BSON Input 4")
{
std::vector<std::uint8_t> incomplete_bson =
{
0x0D, 0x00, // size (incomplete), unexpected EOF
};
json _;
CHECK_THROWS_AS(_ = json::from_bson(incomplete_bson), json::parse_error&);
CHECK_THROWS_WITH(_ = json::from_bson(incomplete_bson),
"[json.exception.parse_error.110] parse error at byte 3: syntax error while parsing BSON number: unexpected end of input");
CHECK(json::from_bson(incomplete_bson, true, false).is_discarded());
SaxCountdown scp(0);
CHECK(!json::sax_parse(incomplete_bson, &scp, json::input_format_t::bson));
}
SECTION("Improve coverage")
{
SECTION("key")
{
json j = {{"key", "value"}};
auto bson_vec = json::to_bson(j);
SaxCountdown scp(2);
CHECK(!json::sax_parse(bson_vec, &scp, json::input_format_t::bson));
}
SECTION("array")
{
json j =
{
{ "entry", json::array() }
};
auto bson_vec = json::to_bson(j);
SaxCountdown scp(2);
CHECK(!json::sax_parse(bson_vec, &scp, json::input_format_t::bson));
}
}
}
TEST_CASE("Negative size of binary value")
{
// invalid BSON: the size of the binary value is -1
std::vector<std::uint8_t> input =
{
0x21, 0x00, 0x00, 0x00, // size (little endian)
0x05, // entry: binary
'e', 'n', 't', 'r', 'y', '\x00',
0xFF, 0xFF, 0xFF, 0xFF, // size of binary (little endian)
0x05, // MD5 binary subtype
0xd7, 0x7e, 0x27, 0x54, 0xbe, 0x12, 0x37, 0xfe, 0xd6, 0x0c, 0x33, 0x98, 0x30, 0x3b, 0x8d, 0xc4,
0x00 // end marker
};
CHECK_THROWS_AS(json::from_bson(input), json::parse_error);
CHECK_THROWS_WITH(json::from_bson(input), "[json.exception.parse_error.112] parse error at byte 15: syntax error while parsing BSON binary: byte array length cannot be negative, is -1");
}
TEST_CASE("Unsupported BSON input")
{
std::vector<std::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
};
json _;
CHECK_THROWS_AS(_ = json::from_bson(bson), json::parse_error&);
CHECK_THROWS_WITH(_ = json::from_bson(bson),
"[json.exception.parse_error.114] parse error at byte 5: Unsupported BSON record type 0xFF");
CHECK(json::from_bson(bson, true, false).is_discarded());
SaxCountdown scp(0);
CHECK(!json::sax_parse(bson, &scp, json::input_format_t::bson));
}
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<std::uint8_t> expected_bson =
{
0x14u, 0x00u, 0x00u, 0x00u, // size (little endian)
0x12u, /// entry: int64
'e', 'n', 't', 'r', 'y', '\x00',
static_cast<std::uint8_t>((iu >> (8u * 0u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 1u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 2u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 3u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 4u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 5u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 6u)) & 0xffu),
static_cast<std::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::uint32_t iu = *reinterpret_cast<std::uint32_t*>(&i);
std::vector<std::uint8_t> expected_bson =
{
0x10u, 0x00u, 0x00u, 0x00u, // size (little endian)
0x10u, /// entry: int32
'e', 'n', 't', 'r', 'y', '\x00',
static_cast<std::uint8_t>((iu >> (8u * 0u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 1u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 2u)) & 0xffu),
static_cast<std::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<std::uint8_t> expected_bson =
{
0x14u, 0x00u, 0x00u, 0x00u, // size (little endian)
0x12u, /// entry: int64
'e', 'n', 't', 'r', 'y', '\x00',
static_cast<std::uint8_t>((iu >> (8u * 0u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 1u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 2u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 3u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 4u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 5u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 6u)) & 0xffu),
static_cast<std::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 }
};
auto iu = i;
std::vector<std::uint8_t> expected_bson =
{
0x10u, 0x00u, 0x00u, 0x00u, // size (little endian)
0x10u, /// entry: int32
'e', 'n', 't', 'r', 'y', '\x00',
static_cast<std::uint8_t>((iu >> (8u * 0u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 1u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 2u)) & 0xffu),
static_cast<std::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 }
};
auto iu = i;
std::vector<std::uint8_t> expected_bson =
{
0x14u, 0x00u, 0x00u, 0x00u, // size (little endian)
0x12u, /// entry: int64
'e', 'n', 't', 'r', 'y', '\x00',
static_cast<std::uint8_t>((iu >> (8u * 0u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 1u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 2u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 3u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 4u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 5u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 6u)) & 0xffu),
static_cast<std::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 }
};
auto iu = i;
std::vector<std::uint8_t> expected_bson =
{
0x14u, 0x00u, 0x00u, 0x00u, // size (little endian)
0x12u, /// entry: int64
'e', 'n', 't', 'r', 'y', '\x00',
static_cast<std::uint8_t>((iu >> (8u * 0u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 1u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 2u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 3u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 4u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 5u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 6u)) & 0xffu),
static_cast<std::uint8_t>((iu >> (8u * 7u)) & 0xffu),
0x00u // end marker
};
CHECK_THROWS_AS(json::to_bson(j), json::out_of_range&);
CHECK_THROWS_WITH_STD_STR(json::to_bson(j), "[json.exception.out_of_range.407] integer number " + std::to_string(i) + " cannot be represented by BSON as it does not fit int64");
}
}
}
}
}
TEST_CASE("BSON roundtrips" * doctest::skip())
{
SECTION("reference files")
{
for (std::string filename :
{
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"
})
{
CAPTURE(filename)
{
INFO_WITH_TEMP(filename + ": std::vector<std::uint8_t>");
// parse JSON file
std::ifstream f_json(filename);
json j1 = json::parse(f_json);
// parse BSON file
std::ifstream f_bson(filename + ".bson", std::ios::binary);
std::vector<std::uint8_t> packed(
(std::istreambuf_iterator<char>(f_bson)),
std::istreambuf_iterator<char>());
json j2;
CHECK_NOTHROW(j2 = json::from_bson(packed));
// compare parsed JSON values
CHECK(j1 == j2);
}
{
INFO_WITH_TEMP(filename + ": std::ifstream");
// parse JSON file
std::ifstream f_json(filename);
json j1 = json::parse(f_json);
// parse BSON file
std::ifstream f_bson(filename + ".bson", std::ios::binary);
json j2;
CHECK_NOTHROW(j2 = json::from_bson(f_bson));
// compare parsed JSON values
CHECK(j1 == j2);
}
{
INFO_WITH_TEMP(filename + ": uint8_t* and size");
// parse JSON file
std::ifstream f_json(filename);
json j1 = json::parse(f_json);
// parse BSON file
std::ifstream f_bson(filename + ".bson", std::ios::binary);
std::vector<std::uint8_t> packed(
(std::istreambuf_iterator<char>(f_bson)),
std::istreambuf_iterator<char>());
json j2;
CHECK_NOTHROW(j2 = json::from_bson({packed.data(), packed.size()}));
// compare parsed JSON values
CHECK(j1 == j2);
}
{
INFO_WITH_TEMP(filename + ": output to output adapters");
// parse JSON file
std::ifstream f_json(filename);
json j1 = json::parse(f_json);
// parse BSON file
std::ifstream f_bson(filename + ".bson", std::ios::binary);
std::vector<std::uint8_t> packed(
(std::istreambuf_iterator<char>(f_bson)),
std::istreambuf_iterator<char>());
{
INFO_WITH_TEMP(filename + ": output adapters: std::vector<std::uint8_t>");
std::vector<std::uint8_t> vec;
json::to_bson(j1, vec);
if (vec != packed)
{
// the exact serializations may differ due to the order of
// object keys; in these cases, just compare whether both
// serializations create the same JSON value
CHECK(json::from_bson(vec) == json::from_bson(packed));
}
}
}
}
}
}