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/*
__ _____ _____ _____
__ | | __ | | | | JSON for Modern C + + ( test suite )
2019-03-20 19:50:05 +00:00
| | | __ | | | | | | version 3.6 .1
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| _____ | _____ | _____ | _ | ___ | https : //github.com/nlohmann/json
Licensed under the MIT License < http : //opensource.org/licenses/MIT>.
SPDX - License - Identifier : MIT
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Copyright ( c ) 2013 - 2019 Niels Lohmann < http : //nlohmann.me>.
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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 " )
{
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SECTION ( " individual values not supported " )
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{
SECTION ( " null " )
{
json j = nullptr ;
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CHECK_THROWS_AS ( json : : to_bson ( j ) , json : : type_error & ) ;
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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 " ) ;
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}
SECTION ( " boolean " )
{
SECTION ( " true " )
{
json j = true ;
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CHECK_THROWS_AS ( json : : to_bson ( j ) , json : : type_error & ) ;
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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 " ) ;
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}
SECTION ( " false " )
{
json j = false ;
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CHECK_THROWS_AS ( json : : to_bson ( j ) , json : : type_error & ) ;
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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 " ) ;
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}
}
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SECTION ( " number " )
{
json j = 42 ;
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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 " ) ;
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}
SECTION ( " float " )
{
json j = 4.2 ;
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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 " ) ;
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}
SECTION ( " string " )
{
json j = " not supported " ;
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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 " ) ;
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}
SECTION ( " array " )
{
json j = std : : vector < int > { 1 , 2 , 3 , 4 , 5 , 6 , 7 } ;
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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 " ) ;
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}
}
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SECTION ( " keys containing code-point U+0000 cannot be serialized to BSON " )
{
json j =
{
{ std : : string ( " en \0 try " , 6 ) , true }
} ;
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CHECK_THROWS_AS ( json : : to_bson ( j ) , json : : out_of_range & ) ;
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CHECK_THROWS_WITH ( json : : to_bson ( j ) , " [json.exception.out_of_range.409] BSON key cannot contain code point U+0000 (at byte 2) " ) ;
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}
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SECTION ( " string length must be at least 1 " )
{
// from https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11175
std : : vector < uint8_t > v =
{
0x20 , 0x20 , 0x20 , 0x20 ,
0x02 ,
0x00 ,
0x00 , 0x00 , 0x00 , 0x80
} ;
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 " ) ;
}
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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 ) ;
}
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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 ) ;
}
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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 ) ;
}
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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 ) ;
}
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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 ) ;
}
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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 ) ;
}
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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 ) ;
}
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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 ) ;
}
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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 ) ;
}
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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 ) ;
}
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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 ) ;
}
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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 =
{
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0x49 , 0x00 , 0x00 , 0x00 , // size (little endian)
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0x04 , /// entry: embedded document
' e ' , ' n ' , ' t ' , ' r ' , ' y ' , ' \x00 ' ,
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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 ,
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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 ) ;
}
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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 ) ;
}
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}
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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 ) ;
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CHECK ( json : : from_bson ( dumped ) = = expected ) ;
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}
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 ) ;
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CHECK ( dumped = = input ) ;
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CHECK ( json : : from_bson ( dumped ) = = expected ) ;
}
}
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}
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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 ) ;
}
}
}
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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 ;
} ;
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TEST_CASE ( " Incomplete BSON Input " )
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{
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SECTION ( " Incomplete BSON Input 1 " )
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{
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std : : vector < uint8_t > incomplete_bson =
{
0x0D , 0x00 , 0x00 , 0x00 , // size (little endian)
0x08 , // entry: boolean
' e ' , ' n ' , ' t ' // unexpected EOF
} ;
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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 " ) ;
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CHECK ( json : : from_bson ( incomplete_bson , true , false ) . is_discarded ( ) ) ;
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SaxCountdown scp ( 0 ) ;
CHECK ( not json : : sax_parse ( incomplete_bson , & scp , json : : input_format_t : : bson ) ) ;
}
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SECTION ( " Incomplete BSON Input 2 " )
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{
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std : : vector < uint8_t > incomplete_bson =
{
0x0D , 0x00 , 0x00 , 0x00 , // size (little endian)
0x08 , // entry: boolean, unexpected EOF
} ;
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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 ( ) ) ;
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SaxCountdown scp ( 0 ) ;
CHECK ( not json : : sax_parse ( incomplete_bson , & scp , json : : input_format_t : : bson ) ) ;
}
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SECTION ( " Incomplete BSON Input 3 " )
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{
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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...
} ;
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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 ( ) ) ;
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SaxCountdown scp ( 1 ) ;
CHECK ( not json : : sax_parse ( incomplete_bson , & scp , json : : input_format_t : : bson ) ) ;
}
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SECTION ( " Incomplete BSON Input 4 " )
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{
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std : : vector < uint8_t > incomplete_bson =
{
0x0D , 0x00 , // size (incomplete), unexpected EOF
} ;
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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 ( ) ) ;
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SaxCountdown scp ( 0 ) ;
CHECK ( not json : : sax_parse ( incomplete_bson , & scp , json : : input_format_t : : bson ) ) ;
}
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SECTION ( " Improve coverage " )
{
SECTION ( " key " )
{
json j = { { " key " , " value " } } ;
auto bson_vec = json : : to_bson ( j ) ;
SaxCountdown scp ( 2 ) ;
CHECK ( not 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 ( not json : : sax_parse ( bson_vec , & scp , json : : input_format_t : : bson ) ) ;
}
}
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}
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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
} ;
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CHECK_THROWS_AS ( json : : from_bson ( bson ) , json : : parse_error & ) ;
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CHECK_THROWS_WITH ( json : : from_bson ( bson ) ,
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" [json.exception.parse_error.114] parse error at byte 5: Unsupported BSON record type 0xFF " ) ;
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CHECK ( json : : from_bson ( bson , true , false ) . is_discarded ( ) ) ;
SaxCountdown scp ( 0 ) ;
CHECK ( not json : : sax_parse ( bson , & scp , json : : input_format_t : : bson ) ) ;
}
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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 )
{
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CAPTURE ( i )
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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 )
{
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CAPTURE ( i )
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json j =
{
{ " entry " , i }
} ;
CHECK ( j . at ( " entry " ) . is_number_integer ( ) ) ;
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std : : uint32_t iu = * reinterpret_cast < std : : uint32_t * > ( & i ) ;
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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 )
{
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CAPTURE ( i )
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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 )
{
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CAPTURE ( i )
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json j =
{
{ " entry " , i }
} ;
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auto iu = i ;
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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 )
{
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CAPTURE ( i )
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json j =
{
{ " entry " , i }
} ;
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auto iu = i ;
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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 )
{
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CAPTURE ( i )
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json j =
{
{ " entry " , i }
} ;
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auto iu = i ;
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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 & ) ;
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CHECK_THROWS_WITH ( 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 " ) ;
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}
}
}
}
}
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TEST_CASE ( " BSON roundtrips " , " [hide] " )
{
SECTION ( " reference files " )
{
for ( std : : string filename :
{
" test/data/json.org/1.json " ,
" test/data/json.org/2.json " ,
" test/data/json.org/3.json " ,
" test/data/json.org/4.json " ,
" test/data/json.org/5.json "
} )
{
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CAPTURE ( filename )
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SECTION ( filename + " : std::vector<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 < 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 ) ;
}
SECTION ( 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 ) ;
}
SECTION ( 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 < 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 ) ;
}
SECTION ( 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 < uint8_t > packed (
( std : : istreambuf_iterator < char > ( f_bson ) ) ,
std : : istreambuf_iterator < char > ( ) ) ;
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SECTION ( filename + " : output adapters: std::vector<uint8_t> " )
{
std : : vector < uint8_t > vec ;
json : : to_bson ( j1 , vec ) ;
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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 ) ) ;
}
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}
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}
}
}
}