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/*
__ _____ _____ _____
__ | | __ | | | | JSON for Modern C + + ( test suite )
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| | | __ | | | | | | version 3.8 .0
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| _____ | _____ | _____ | _ | ___ | https : //github.com/nlohmann/json
Licensed under the MIT License < http : //opensource.org/licenses/MIT>.
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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 .
*/
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# include "doctest_compatibility.h"
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DOCTEST_GCC_SUPPRESS_WARNING ( " -Wfloat-equal " )
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// for some reason including this after the json header leads to linker errors with VS 2017...
# include <locale>
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# define private public
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# include <nlohmann/json.hpp>
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using nlohmann : : json ;
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# undef private
# include <fstream>
# include <sstream>
# include <list>
# include <cstdio>
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# include <test_data.hpp>
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# if (defined(__cplusplus) && __cplusplus >= 201703L) || (defined(_HAS_CXX17) && _HAS_CXX17 == 1) // fix for issue #464
# define JSON_HAS_CPP_17
# endif
# ifdef JSON_HAS_CPP_17
# include <variant>
# endif
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# include "fifo_map.hpp"
/////////////////////////////////////////////////////////////////////
// for #972
/////////////////////////////////////////////////////////////////////
template < class K , class V , class dummy_compare , class A >
using my_workaround_fifo_map = nlohmann : : fifo_map < K , V , nlohmann : : fifo_map_compare < K > , A > ;
using my_json = nlohmann : : basic_json < my_workaround_fifo_map > ;
/////////////////////////////////////////////////////////////////////
// for #977
/////////////////////////////////////////////////////////////////////
namespace ns
{
struct foo
{
int x ;
} ;
template < typename , typename SFINAE = void >
struct foo_serializer ;
template < typename T >
struct foo_serializer < T , typename std : : enable_if < std : : is_same < foo , T > : : value > : : type >
{
template < typename BasicJsonType >
static void to_json ( BasicJsonType & j , const T & value )
{
j = BasicJsonType { { " x " , value . x } } ;
}
template < typename BasicJsonType >
static void from_json ( const BasicJsonType & j , T & value ) // !!!
{
nlohmann : : from_json ( j . at ( " x " ) , value . x ) ;
}
} ;
template < typename T >
struct foo_serializer < T , typename std : : enable_if < ! std : : is_same < foo , T > : : value > : : type >
{
template < typename BasicJsonType >
static void to_json ( BasicJsonType & j , const T & value ) noexcept
{
: : nlohmann : : to_json ( j , value ) ;
}
template < typename BasicJsonType >
static void from_json ( const BasicJsonType & j , T & value ) //!!!
{
: : nlohmann : : from_json ( j , value ) ;
}
} ;
}
using foo_json = nlohmann : : basic_json < std : : map , std : : vector , std : : string , bool , std : : int64_t ,
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std : : uint64_t , double , std : : allocator , ns : : foo_serializer , std : : vector < std : : uint8_t > > ;
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/////////////////////////////////////////////////////////////////////
// for #805
/////////////////////////////////////////////////////////////////////
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namespace
{
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struct nocopy
{
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nocopy ( ) = default ;
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nocopy ( const nocopy & ) = delete ;
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int val = 0 ;
friend void to_json ( json & j , const nocopy & n )
{
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j = { { " val " , n . val } } ;
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}
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} ;
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struct Data
{
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Data ( ) = default ;
Data ( const std : : string & a_ , const std : : string b_ ) : a ( a_ ) , b ( b_ ) { }
std : : string a { } ;
std : : string b { } ;
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} ;
void from_json ( const json & j , Data & data )
{
j [ " a " ] . get_to ( data . a ) ;
j [ " b " ] . get_to ( data . b ) ;
}
bool operator = = ( Data const & lhs , Data const & rhs )
{
return lhs . a = = rhs . a & & lhs . b = = rhs . b ;
}
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//bool operator!=(Data const& lhs, Data const& rhs)
//{
// return !(lhs == rhs);
//}
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}
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/////////////////////////////////////////////////////////////////////
// for #1021
/////////////////////////////////////////////////////////////////////
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using float_json = nlohmann : : basic_json < std : : map , std : : vector , std : : string , bool , std : : int64_t , std : : uint64_t , float > ;
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/////////////////////////////////////////////////////////////////////
// for #1647
/////////////////////////////////////////////////////////////////////
namespace
{
struct NonDefaultFromJsonStruct { } ;
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inline bool operator = = ( NonDefaultFromJsonStruct const & , NonDefaultFromJsonStruct const & )
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{
return true ;
}
enum class for_1647 { one , two } ;
NLOHMANN_JSON_SERIALIZE_ENUM ( for_1647 ,
{
{ for_1647 : : one , " one " } ,
{ for_1647 : : two , " two " } ,
} )
}
namespace nlohmann
{
template < >
struct adl_serializer < NonDefaultFromJsonStruct >
{
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static NonDefaultFromJsonStruct from_json ( json const & ) noexcept
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{
return { } ;
}
} ;
}
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/////////////////////////////////////////////////////////////////////
// for #1805
/////////////////////////////////////////////////////////////////////
struct NotSerializableData
{
int mydata ;
float myfloat ;
} ;
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TEST_CASE ( " regression tests " )
{
SECTION ( " issue #60 - Double quotation mark is not parsed correctly " )
{
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SECTION ( " escape_doublequote " )
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{
auto s = " [ \" \\ \" foo \\ \" \" ] " ;
json j = json : : parse ( s ) ;
auto expected = R " ([ " \ " foo \" " ] ) " _json;
CHECK ( j = = expected ) ;
}
}
SECTION ( " issue #70 - Handle infinity and NaN cases " )
{
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// previously, NAN/INFINITY created a null value; now, the values are
// properly stored, but are dumped as "null"
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SECTION ( " NAN value " )
{
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CHECK ( json ( NAN ) . dump ( ) = = " null " ) ;
CHECK ( json ( json : : number_float_t ( NAN ) ) . dump ( ) = = " null " ) ;
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}
SECTION ( " infinity " )
{
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CHECK ( json ( INFINITY ) . dump ( ) = = " null " ) ;
CHECK ( json ( json : : number_float_t ( INFINITY ) ) . dump ( ) = = " null " ) ;
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}
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// With 3.0.0, the semantics of this changed: NAN and infinity are
// stored properly inside the JSON value (no exception or conversion
// to null), but are serialized as null.
SECTION ( " NAN value " )
{
json j1 = NAN ;
CHECK ( j1 . is_number_float ( ) ) ;
json : : number_float_t f1 = j1 ;
CHECK ( std : : isnan ( f1 ) ) ;
json j2 = json : : number_float_t ( NAN ) ;
CHECK ( j2 . is_number_float ( ) ) ;
json : : number_float_t f2 = j2 ;
CHECK ( std : : isnan ( f2 ) ) ;
}
SECTION ( " infinity " )
{
json j1 = INFINITY ;
CHECK ( j1 . is_number_float ( ) ) ;
json : : number_float_t f1 = j1 ;
CHECK ( not std : : isfinite ( f1 ) ) ;
json j2 = json : : number_float_t ( INFINITY ) ;
CHECK ( j2 . is_number_float ( ) ) ;
json : : number_float_t f2 = j2 ;
CHECK ( not std : : isfinite ( f2 ) ) ;
}
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}
SECTION ( " pull request #71 - handle enum type " )
{
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enum { t = 0 , u = 102 } ;
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json j = json : : array ( ) ;
j . push_back ( t ) ;
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// maybe this is not the place to test this?
json j2 = u ;
auto anon_enum_value = j2 . get < decltype ( u ) > ( ) ;
CHECK ( u = = anon_enum_value ) ;
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// check if the actual value was stored
CHECK ( j2 = = 102 ) ;
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static_assert ( std : : is_same < decltype ( anon_enum_value ) , decltype ( u ) > : : value , " " ) ;
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j . push_back ( json : : object (
{
{ " game_type " , t }
} ) ) ;
}
SECTION ( " issue #76 - dump() / parse() not idempotent " )
{
// create JSON object
json fields ;
fields [ " one " ] = std : : string ( " one " ) ;
fields [ " two " ] = std : : string ( " two three " ) ;
fields [ " three " ] = std : : string ( " three \" four \" " ) ;
// create another JSON object by deserializing the serialization
std : : string payload = fields . dump ( ) ;
json parsed_fields = json : : parse ( payload ) ;
// check individual fields to match both objects
CHECK ( parsed_fields [ " one " ] = = fields [ " one " ] ) ;
CHECK ( parsed_fields [ " two " ] = = fields [ " two " ] ) ;
CHECK ( parsed_fields [ " three " ] = = fields [ " three " ] ) ;
// check individual fields to match original input
CHECK ( parsed_fields [ " one " ] = = std : : string ( " one " ) ) ;
CHECK ( parsed_fields [ " two " ] = = std : : string ( " two three " ) ) ;
CHECK ( parsed_fields [ " three " ] = = std : : string ( " three \" four \" " ) ) ;
// check equality of the objects
CHECK ( parsed_fields = = fields ) ;
// check equality of the serialized objects
CHECK ( fields . dump ( ) = = parsed_fields . dump ( ) ) ;
// check everything in one line
CHECK ( fields = = json : : parse ( fields . dump ( ) ) ) ;
}
SECTION ( " issue #82 - lexer::get_number return NAN " )
{
const auto content = R " (
{
" Test " : " Test1 " ,
" Number " : 100 ,
" Foo " : 42.42
} ) " ;
std : : stringstream ss ;
ss < < content ;
json j ;
ss > > j ;
std : : string test = j [ " Test " ] ;
CHECK ( test = = " Test1 " ) ;
int number = j [ " Number " ] ;
CHECK ( number = = 100 ) ;
float foo = j [ " Foo " ] ;
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CHECK ( static_cast < double > ( foo ) = = Approx ( 42.42 ) ) ;
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}
SECTION ( " issue #89 - nonstandard integer type " )
{
// create JSON class with nonstandard integer number type
using custom_json =
nlohmann : : basic_json < std : : map , std : : vector , std : : string , bool , int32_t , uint32_t , float > ;
custom_json j ;
j [ " int_1 " ] = 1 ;
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CHECK ( j [ " int_1 " ] = = 1 ) ;
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// tests for correct handling of non-standard integers that overflow the type selected by the user
// unsigned integer object creation - expected to wrap and still be stored as an integer
j = 4294967296U ; // 2^32
CHECK ( static_cast < int > ( j . type ( ) ) = = static_cast < int > ( custom_json : : value_t : : number_unsigned ) ) ;
CHECK ( j . get < uint32_t > ( ) = = 0 ) ; // Wrap
// unsigned integer parsing - expected to overflow and be stored as a float
j = custom_json : : parse ( " 4294967296 " ) ; // 2^32
CHECK ( static_cast < int > ( j . type ( ) ) = = static_cast < int > ( custom_json : : value_t : : number_float ) ) ;
CHECK ( j . get < float > ( ) = = 4294967296.0f ) ;
// integer object creation - expected to wrap and still be stored as an integer
j = - 2147483649LL ; // -2^31-1
CHECK ( static_cast < int > ( j . type ( ) ) = = static_cast < int > ( custom_json : : value_t : : number_integer ) ) ;
CHECK ( j . get < int32_t > ( ) = = 2147483647 ) ; // Wrap
// integer parsing - expected to overflow and be stored as a float with rounding
j = custom_json : : parse ( " -2147483649 " ) ; // -2^31
CHECK ( static_cast < int > ( j . type ( ) ) = = static_cast < int > ( custom_json : : value_t : : number_float ) ) ;
CHECK ( j . get < float > ( ) = = - 2147483650.0f ) ;
}
SECTION ( " issue #93 reverse_iterator operator inheritance problem " )
{
{
json a = { 1 , 2 , 3 } ;
json : : reverse_iterator rit = a . rbegin ( ) ;
+ + rit ;
CHECK ( * rit = = json ( 2 ) ) ;
CHECK ( rit . value ( ) = = json ( 2 ) ) ;
}
{
json a = { 1 , 2 , 3 } ;
json : : reverse_iterator rit = + + a . rbegin ( ) ;
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CHECK ( * rit = = json ( 2 ) ) ;
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CHECK ( rit . value ( ) = = json ( 2 ) ) ;
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}
{
json a = { 1 , 2 , 3 } ;
json : : reverse_iterator rit = a . rbegin ( ) ;
+ + rit ;
json b = { 0 , 0 , 0 } ;
std : : transform ( rit , a . rend ( ) , b . rbegin ( ) , [ ] ( json el )
{
return el ;
} ) ;
CHECK ( b = = json ( { 0 , 1 , 2 } ) ) ;
}
{
json a = { 1 , 2 , 3 } ;
json b = { 0 , 0 , 0 } ;
std : : transform ( + + a . rbegin ( ) , a . rend ( ) , b . rbegin ( ) , [ ] ( json el )
{
return el ;
} ) ;
CHECK ( b = = json ( { 0 , 1 , 2 } ) ) ;
}
}
SECTION ( " issue #100 - failed to iterator json object with reverse_iterator " )
{
json config =
{
{ " 111 " , 111 } ,
{ " 112 " , 112 } ,
{ " 113 " , 113 }
} ;
std : : stringstream ss ;
for ( auto it = config . begin ( ) ; it ! = config . end ( ) ; + + it )
{
ss < < it . key ( ) < < " : " < < it . value ( ) < < ' \n ' ;
}
for ( auto it = config . rbegin ( ) ; it ! = config . rend ( ) ; + + it )
{
ss < < it . key ( ) < < " : " < < it . value ( ) < < ' \n ' ;
}
CHECK ( ss . str ( ) = = " 111: 111 \n 112: 112 \n 113: 113 \n 113: 113 \n 112: 112 \n 111: 111 \n " ) ;
}
SECTION ( " issue #101 - binary string causes numbers to be dumped as hex " )
{
int64_t number = 10 ;
std : : string bytes { " \x00 " " asdf \n " , 6 } ;
json j ;
j [ " int64 " ] = number ;
j [ " binary string " ] = bytes ;
// make sure the number is really printed as decimal "10" and not as
// hexadecimal "a"
CHECK ( j . dump ( ) = = " { \" binary string \" : \" \\ u0000asdf \\ n \" , \" int64 \" :10} " ) ;
}
SECTION ( " issue #111 - subsequent unicode chars " )
{
std : : string bytes { 0x7 , 0x7 } ;
json j ;
j [ " string " ] = bytes ;
CHECK ( j [ " string " ] = = " \u0007 \u0007 " ) ;
}
SECTION ( " issue #144 - implicit assignment to std::string fails " )
{
json o = { { " name " , " value " } } ;
std : : string s1 = o [ " name " ] ;
CHECK ( s1 = = " value " ) ;
std : : string s2 ;
s2 = o [ " name " ] ;
CHECK ( s2 = = " value " ) ;
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// improve coverage
o [ " int " ] = 1 ;
CHECK_THROWS_AS ( s2 = o [ " int " ] , json : : type_error ) ;
CHECK_THROWS_WITH ( s2 = o [ " int " ] , " [json.exception.type_error.302] type must be string, but is number " ) ;
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}
SECTION ( " issue #146 - character following a surrogate pair is skipped " )
{
CHECK ( json : : parse ( " \" \\ ud80c \\ udc60abc \" " ) . get < json : : string_t > ( ) = = u8 " \U00013060 abc " ) ;
}
SECTION ( " issue #171 - Cannot index by key of type static constexpr const char* " )
{
json j ;
// Non-const access with key as "char []"
char array_key [ ] = " Key1 " ;
CHECK_NOTHROW ( j [ array_key ] = 1 ) ;
CHECK ( j [ array_key ] = = json ( 1 ) ) ;
// Non-const access with key as "const char[]"
const char const_array_key [ ] = " Key2 " ;
CHECK_NOTHROW ( j [ const_array_key ] = 2 ) ;
CHECK ( j [ const_array_key ] = = json ( 2 ) ) ;
// Non-const access with key as "char *"
char _ptr_key [ ] = " Key3 " ;
char * ptr_key = & _ptr_key [ 0 ] ;
CHECK_NOTHROW ( j [ ptr_key ] = 3 ) ;
CHECK ( j [ ptr_key ] = = json ( 3 ) ) ;
// Non-const access with key as "const char *"
const char * const_ptr_key = " Key4 " ;
CHECK_NOTHROW ( j [ const_ptr_key ] = 4 ) ;
CHECK ( j [ const_ptr_key ] = = json ( 4 ) ) ;
// Non-const access with key as "static constexpr const char *"
static constexpr const char * constexpr_ptr_key = " Key5 " ;
CHECK_NOTHROW ( j [ constexpr_ptr_key ] = 5 ) ;
CHECK ( j [ constexpr_ptr_key ] = = json ( 5 ) ) ;
const json j_const = j ;
// Const access with key as "char []"
CHECK ( j_const [ array_key ] = = json ( 1 ) ) ;
// Const access with key as "const char[]"
CHECK ( j_const [ const_array_key ] = = json ( 2 ) ) ;
// Const access with key as "char *"
CHECK ( j_const [ ptr_key ] = = json ( 3 ) ) ;
// Const access with key as "const char *"
CHECK ( j_const [ const_ptr_key ] = = json ( 4 ) ) ;
// Const access with key as "static constexpr const char *"
CHECK ( j_const [ constexpr_ptr_key ] = = json ( 5 ) ) ;
}
SECTION ( " issue #186 miloyip/nativejson-benchmark: floating-point parsing " )
{
json j ;
j = json : : parse ( " -0.0 " ) ;
CHECK ( j . get < double > ( ) = = - 0.0 ) ;
j = json : : parse ( " 2.22507385850720113605740979670913197593481954635164564e-308 " ) ;
CHECK ( j . get < double > ( ) = = 2.2250738585072009e-308 ) ;
j = json : : parse ( " 0.999999999999999944488848768742172978818416595458984374 " ) ;
CHECK ( j . get < double > ( ) = = 0.99999999999999989 ) ;
j = json : : parse ( " 1.00000000000000011102230246251565404236316680908203126 " ) ;
CHECK ( j . get < double > ( ) = = 1.00000000000000022 ) ;
j = json : : parse ( " 7205759403792793199999e-5 " ) ;
CHECK ( j . get < double > ( ) = = 72057594037927928.0 ) ;
j = json : : parse ( " 922337203685477529599999e-5 " ) ;
CHECK ( j . get < double > ( ) = = 9223372036854774784.0 ) ;
j = json : : parse ( " 1014120480182583464902367222169599999e-5 " ) ;
CHECK ( j . get < double > ( ) = = 10141204801825834086073718800384.0 ) ;
j = json : : parse ( " 5708990770823839207320493820740630171355185151999e-3 " ) ;
CHECK ( j . get < double > ( ) = = 5708990770823838890407843763683279797179383808.0 ) ;
// create JSON class with nonstandard float number type
// float
nlohmann : : basic_json < std : : map , std : : vector , std : : string , bool , int32_t , uint32_t , float > j_float =
1.23e25 f ;
CHECK ( j_float . get < float > ( ) = = 1.23e25 f ) ;
// double
nlohmann : : basic_json < std : : map , std : : vector , std : : string , bool , int64_t , uint64_t , double > j_double =
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1.23e35 ;
CHECK ( j_double . get < double > ( ) = = 1.23e35 ) ;
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// long double
nlohmann : : basic_json < std : : map , std : : vector , std : : string , bool , int64_t , uint64_t , long double >
j_long_double = 1.23e45L ;
CHECK ( j_long_double . get < long double > ( ) = = 1.23e45L ) ;
}
SECTION ( " issue #228 - double values are serialized with commas as decimal points " )
{
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json j1a = 2312.42 ;
json j1b = json : : parse ( " 2312.42 " ) ;
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json j2a = 2342e-2 ;
//issue #230
//json j2b = json::parse("2342e-2");
json j3a = 10E3 ;
json j3b = json : : parse ( " 10E3 " ) ;
json j3c = json : : parse ( " 10e3 " ) ;
// class to create a locale that would use a comma for decimals
class CommaDecimalSeparator : public std : : numpunct < char >
{
protected :
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char do_decimal_point ( ) const override
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{
return ' , ' ;
}
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char do_thousands_sep ( ) const override
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{
return ' . ' ;
}
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std : : string do_grouping ( ) const override
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{
return " \03 " ;
}
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} ;
// change locale to mess with decimal points
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auto orig_locale = std : : locale : : global ( std : : locale ( std : : locale ( ) , new CommaDecimalSeparator ) ) ;
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CHECK ( j1a . dump ( ) = = " 2312.42 " ) ;
CHECK ( j1b . dump ( ) = = " 2312.42 " ) ;
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// check if locale is properly reset
std : : stringstream ss ;
ss . imbue ( std : : locale ( std : : locale ( ) , new CommaDecimalSeparator ) ) ;
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ss < < 4712.11 ;
CHECK ( ss . str ( ) = = " 4.712,11 " ) ;
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ss < < j1a ;
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CHECK ( ss . str ( ) = = " 4.712,112312.42 " ) ;
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ss < < 47.11 ;
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CHECK ( ss . str ( ) = = " 4.712,112312.4247,11 " ) ;
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CHECK ( j2a . dump ( ) = = " 23.42 " ) ;
//issue #230
//CHECK(j2b.dump() == "23.42");
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CHECK ( j3a . dump ( ) = = " 10000.0 " ) ;
CHECK ( j3b . dump ( ) = = " 10000.0 " ) ;
CHECK ( j3c . dump ( ) = = " 10000.0 " ) ;
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//CHECK(j3b.dump() == "1E04"); // roundtrip error
//CHECK(j3c.dump() == "1e04"); // roundtrip error
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std : : locale : : global ( orig_locale ) ;
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}
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SECTION ( " issue #378 - locale-independent num-to-str " )
{
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setlocale ( LC_NUMERIC , " de_DE.UTF-8 " ) ;
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// verify that dumped correctly with '.' and no grouping
const json j1 = 12345.67 ;
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CHECK ( json ( 12345.67 ) . dump ( ) = = " 12345.67 " ) ;
setlocale ( LC_NUMERIC , " C " ) ;
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}
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SECTION ( " issue #379 - locale-independent str-to-num " )
{
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setlocale ( LC_NUMERIC , " de_DE.UTF-8 " ) ;
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// verify that parsed correctly despite using strtod internally
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CHECK ( json : : parse ( " 3.14 " ) . get < double > ( ) = = 3.14 ) ;
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// check a different code path
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CHECK ( json : : parse ( " 1.000000000000000000000000000000000000000000000000000000000000000000000000 " ) . get < double > ( ) = = 1.0 ) ;
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}
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SECTION ( " issue #233 - Can't use basic_json::iterator as a base iterator for std::move_iterator " )
{
json source = { " a " , " b " , " c " } ;
json expected = { " a " , " b " } ;
json dest ;
std : : copy_n ( std : : make_move_iterator ( source . begin ( ) ) , 2 , std : : back_inserter ( dest ) ) ;
CHECK ( dest = = expected ) ;
}
SECTION ( " issue #235 - ambiguous overload for 'push_back' and 'operator+=' " )
{
json data = { { " key " , " value " } } ;
data . push_back ( { " key2 " , " value2 " } ) ;
data + = { " key3 " , " value3 " } ;
CHECK ( data = = json ( { { " key " , " value " } , { " key2 " , " value2 " } , { " key3 " , " value3 " } } ) ) ;
}
SECTION ( " issue #269 - diff generates incorrect patch when removing multiple array elements " )
{
json doc = R " ( { " arr1 " : [1, 2, 3, 4] } ) " _json ;
json expected = R " ( { " arr1 " : [1, 2] } ) " _json ;
// check roundtrip
CHECK ( doc . patch ( json : : diff ( doc , expected ) ) = = expected ) ;
}
SECTION ( " issue #283 - value() does not work with _json_pointer types " )
{
json j =
{
{ " object " , { { " key1 " , 1 } , { " key2 " , 2 } } } ,
} ;
int at_integer = j . at ( " /object/key2 " _json_pointer ) ;
int val_integer = j . value ( " /object/key2 " _json_pointer , 0 ) ;
CHECK ( at_integer = = val_integer ) ;
}
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SECTION ( " issue #304 - Unused variable warning " )
{
// code triggered a "warning: unused variable" warning and is left
// here to avoid the warning in the future
json object ;
json patch = json : : array ( ) ;
object = object . patch ( patch ) ;
}
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SECTION ( " issue #306 - Parsing fails without space at end of file " )
{
for ( auto filename :
{
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TEST_DATA_DIRECTORY " /regression/broken_file.json " ,
TEST_DATA_DIRECTORY " /regression/working_file.json "
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} )
{
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CAPTURE ( filename )
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json j ;
std : : ifstream f ( filename ) ;
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CHECK_NOTHROW ( f > > j ) ;
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}
}
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SECTION ( " issue #310 - make json_benchmarks no longer working in 2.0.4 " )
{
for ( auto filename :
{
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TEST_DATA_DIRECTORY " /regression/floats.json " ,
TEST_DATA_DIRECTORY " /regression/signed_ints.json " ,
TEST_DATA_DIRECTORY " /regression/unsigned_ints.json " ,
TEST_DATA_DIRECTORY " /regression/small_signed_ints.json "
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} )
{
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CAPTURE ( filename )
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json j ;
std : : ifstream f ( filename ) ;
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CHECK_NOTHROW ( f > > j ) ;
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}
}
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SECTION ( " issue #323 - add nested object capabilities to pointers " )
{
json j ;
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j [ " /this/that/2 " _json_pointer ] = 27 ;
CHECK ( j = = json ( { { " this " , { { " that " , { nullptr , nullptr , 27 } } } } } ) ) ;
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}
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SECTION ( " issue #329 - serialized value not always can be parsed " )
{
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json _ ;
CHECK_THROWS_AS ( _ = json : : parse ( " 22e2222 " ) , json : : out_of_range & ) ;
CHECK_THROWS_WITH ( _ = json : : parse ( " 22e2222 " ) ,
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" [json.exception.out_of_range.406] number overflow parsing '22e2222' " ) ;
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}
2016-11-23 15:57:01 +00:00
2018-01-15 19:41:20 +00:00
SECTION ( " issue #360 - Loss of precision when serializing <double> " )
{
auto check_roundtrip = [ ] ( double number )
{
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CAPTURE ( number )
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json j = number ;
CHECK ( j . is_number_float ( ) ) ;
std : : stringstream ss ;
ss < < j ;
CHECK_NOTHROW ( ss > > j ) ;
CHECK ( j . is_number_float ( ) ) ;
CHECK ( j . get < json : : number_float_t > ( ) = = number ) ;
} ;
check_roundtrip ( 100000000000.1236 ) ;
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check_roundtrip ( ( std : : numeric_limits < json : : number_float_t > : : max ) ( ) ) ;
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// Some more numbers which fail to roundtrip when serialized with digits10 significand digits (instead of max_digits10)
check_roundtrip ( 1.541888611948064e-17 ) ;
check_roundtrip ( 5.418771028591015e-16 ) ;
check_roundtrip ( 9.398685592608595e-15 ) ;
check_roundtrip ( 8.826843952762347e-14 ) ;
check_roundtrip ( 8.143291313475335e-13 ) ;
check_roundtrip ( 4.851328172762508e-12 ) ;
check_roundtrip ( 6.677850998084358e-11 ) ;
check_roundtrip ( 3.995398518174525e-10 ) ;
check_roundtrip ( 1.960452605645124e-9 ) ;
check_roundtrip ( 3.551812586302883e-8 ) ;
check_roundtrip ( 2.947988411689261e-7 ) ;
check_roundtrip ( 8.210166748056192e-6 ) ;
check_roundtrip ( 6.104889704266753e-5 ) ;
check_roundtrip ( 0.0008629954631330876 ) ;
check_roundtrip ( 0.004936993881051611 ) ;
check_roundtrip ( 0.08309725102608073 ) ;
check_roundtrip ( 0.5210494268499783 ) ;
check_roundtrip ( 6.382927930939767 ) ;
check_roundtrip ( 59.94947245358671 ) ;
check_roundtrip ( 361.0838651266122 ) ;
check_roundtrip ( 4678.354596181877 ) ;
check_roundtrip ( 61412.17658956043 ) ;
check_roundtrip ( 725696.0799057782 ) ;
check_roundtrip ( 2811732.583399828 ) ;
check_roundtrip ( 30178351.07533605 ) ;
check_roundtrip ( 689684880.3235844 ) ;
check_roundtrip ( 5714887673.555147 ) ;
check_roundtrip ( 84652038821.18808 ) ;
check_roundtrip ( 156510583431.7721 ) ;
check_roundtrip ( 5938450569021.732 ) ;
check_roundtrip ( 83623297654460.33 ) ;
check_roundtrip ( 701466573254773.6 ) ;
check_roundtrip ( 1369013370304513 ) ;
check_roundtrip ( 96963648023094720 ) ;
check_roundtrip ( 3.478237409280108e+17 ) ;
}
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SECTION ( " issue #366 - json::parse on failed stream gets stuck " )
{
std : : ifstream f ( " file_not_found.json " ) ;
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json _ ;
CHECK_THROWS_AS ( _ = json : : parse ( f ) , json : : parse_error & ) ;
CHECK_THROWS_WITH ( _ = json : : parse ( f ) , " [json.exception.parse_error.101] parse error at line 1, column 1: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal " ) ;
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}
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SECTION ( " issue #367 - calling stream at EOF " )
{
std : : stringstream ss ;
json j ;
ss < < " 123 " ;
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CHECK_NOTHROW ( ss > > j ) ;
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// see https://github.com/nlohmann/json/issues/367#issuecomment-262841893:
// ss is not at EOF; this yielded an error before the fix
// (threw basic_string::append). No, it should just throw
// a parse error because of the EOF.
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CHECK_THROWS_AS ( ss > > j , json : : parse_error & ) ;
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CHECK_THROWS_WITH ( ss > > j ,
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" [json.exception.parse_error.101] parse error at line 1, column 1: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal " ) ;
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}
2016-12-12 22:19:43 +00:00
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SECTION ( " issue #367 - behavior of operator>> should more closely resemble that of built-in overloads " )
{
SECTION ( " (empty) " )
{
std : : stringstream ss ;
json j ;
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CHECK_THROWS_AS ( ss > > j , json : : parse_error & ) ;
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CHECK_THROWS_WITH ( ss > > j ,
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" [json.exception.parse_error.101] parse error at line 1, column 1: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal " ) ;
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}
SECTION ( " (whitespace) " )
{
std : : stringstream ss ;
ss < < " " ;
json j ;
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CHECK_THROWS_AS ( ss > > j , json : : parse_error & ) ;
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CHECK_THROWS_WITH ( ss > > j ,
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" [json.exception.parse_error.101] parse error at line 1, column 1: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal " ) ;
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}
SECTION ( " one value " )
{
std : : stringstream ss ;
ss < < " 111 " ;
json j ;
CHECK_NOTHROW ( ss > > j ) ;
CHECK ( j = = 111 ) ;
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CHECK_THROWS_AS ( ss > > j , json : : parse_error & ) ;
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CHECK_THROWS_WITH ( ss > > j ,
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" [json.exception.parse_error.101] parse error at line 1, column 1: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal " ) ;
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}
SECTION ( " one value + whitespace " )
{
std : : stringstream ss ;
ss < < " 222 \t \n " ;
json j ;
CHECK_NOTHROW ( ss > > j ) ;
CHECK ( j = = 222 ) ;
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CHECK_THROWS_AS ( ss > > j , json : : parse_error & ) ;
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CHECK_THROWS_WITH ( ss > > j ,
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" [json.exception.parse_error.101] parse error at line 1, column 1: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal " ) ;
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}
SECTION ( " whitespace + one value " )
{
std : : stringstream ss ;
ss < < " \n \t 333 " ;
json j ;
CHECK_NOTHROW ( ss > > j ) ;
CHECK ( j = = 333 ) ;
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CHECK_THROWS_AS ( ss > > j , json : : parse_error & ) ;
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CHECK_THROWS_WITH ( ss > > j ,
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" [json.exception.parse_error.101] parse error at line 1, column 1: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal " ) ;
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}
SECTION ( " three values " )
{
std : : stringstream ss ;
ss < < " 111 \n 222 \n \n 333 " ;
json j ;
CHECK_NOTHROW ( ss > > j ) ;
CHECK ( j = = 111 ) ;
CHECK_NOTHROW ( ss > > j ) ;
CHECK ( j = = 222 ) ;
CHECK_NOTHROW ( ss > > j ) ;
CHECK ( j = = 333 ) ;
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CHECK_THROWS_AS ( ss > > j , json : : parse_error & ) ;
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CHECK_THROWS_WITH ( ss > > j ,
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" [json.exception.parse_error.101] parse error at line 1, column 1: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal " ) ;
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}
SECTION ( " literals without whitespace " )
{
std : : stringstream ss ;
ss < < " truefalsenull \" \" " ;
json j ;
CHECK_NOTHROW ( ss > > j ) ;
CHECK ( j = = true ) ;
CHECK_NOTHROW ( ss > > j ) ;
CHECK ( j = = false ) ;
CHECK_NOTHROW ( ss > > j ) ;
CHECK ( j = = nullptr ) ;
CHECK_NOTHROW ( ss > > j ) ;
CHECK ( j = = " " ) ;
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CHECK_THROWS_AS ( ss > > j , json : : parse_error & ) ;
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CHECK_THROWS_WITH ( ss > > j ,
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" [json.exception.parse_error.101] parse error at line 1, column 1: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal " ) ;
2017-05-21 14:36:51 +00:00
}
SECTION ( " example from #529 " )
{
std : : stringstream ss ;
ss < < " { \n \" one \" : 1, \n \" two \" : 2 \n } \n { \n \" three \" : 3 \n } " ;
json j ;
CHECK_NOTHROW ( ss > > j ) ;
CHECK ( j = = json ( { { " one " , 1 } , { " two " , 2 } } ) ) ;
CHECK_NOTHROW ( ss > > j ) ;
CHECK ( j = = json ( { { " three " , 3 } } ) ) ;
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CHECK_THROWS_AS ( ss > > j , json : : parse_error & ) ;
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CHECK_THROWS_WITH ( ss > > j ,
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" [json.exception.parse_error.101] parse error at line 1, column 1: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal " ) ;
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}
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SECTION ( " second example from #529 " )
{
std : : string str = " { \n \" one \" : 1, \n \" two \" : 2 \n } \n { \n \" three \" : 3 \n } " ;
{
std : : ofstream file ( " test.json " ) ;
file < < str ;
}
std : : ifstream stream ( " test.json " , std : : ifstream : : in ) ;
json val ;
size_t i = 0 ;
while ( stream . peek ( ) ! = EOF )
{
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CAPTURE ( i )
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CHECK_NOTHROW ( stream > > val ) ;
CHECK ( i < 2 ) ;
if ( i = = 0 )
{
CHECK ( val = = json ( { { " one " , 1 } , { " two " , 2 } } ) ) ;
}
if ( i = = 1 )
{
CHECK ( val = = json ( { { " three " , 3 } } ) ) ;
}
+ + i ;
}
std : : remove ( " test.json " ) ;
}
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}
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SECTION ( " issue #389 - Integer-overflow (OSS-Fuzz issue 267) " )
{
// original test case
json j1 = json : : parse ( " -9223372036854775808 " ) ;
CHECK ( j1 . is_number_integer ( ) ) ;
CHECK ( j1 . get < json : : number_integer_t > ( ) = = INT64_MIN ) ;
// edge case (+1; still an integer)
json j2 = json : : parse ( " -9223372036854775807 " ) ;
CHECK ( j2 . is_number_integer ( ) ) ;
CHECK ( j2 . get < json : : number_integer_t > ( ) = = INT64_MIN + 1 ) ;
// edge case (-1; overflow -> floats)
json j3 = json : : parse ( " -9223372036854775809 " ) ;
CHECK ( j3 . is_number_float ( ) ) ;
}
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SECTION ( " issue #380 - bug in overflow detection when parsing integers " )
{
json j = json : : parse ( " 166020696663385964490 " ) ;
CHECK ( j . is_number_float ( ) ) ;
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CHECK ( j . get < json : : number_float_t > ( ) = = 166020696663385964490.0 ) ;
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}
2016-12-29 14:39:16 +00:00
SECTION ( " issue #405 - Heap-buffer-overflow (OSS-Fuzz issue 342) " )
{
// original test case
std : : vector < uint8_t > vec { 0x65 , 0xf5 , 0x0a , 0x48 , 0x21 } ;
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json _ ;
CHECK_THROWS_AS ( _ = json : : from_cbor ( vec ) , json : : parse_error & ) ;
CHECK_THROWS_WITH ( _ = json : : from_cbor ( vec ) ,
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" [json.exception.parse_error.110] parse error at byte 6: syntax error while parsing CBOR string: unexpected end of input " ) ;
2016-12-29 14:39:16 +00:00
}
2016-12-29 15:14:15 +00:00
SECTION ( " issue #407 - Heap-buffer-overflow (OSS-Fuzz issue 343) " )
{
2019-07-02 19:06:42 +00:00
json _ ;
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// original test case: incomplete float64
std : : vector < uint8_t > vec1 { 0xcb , 0x8f , 0x0a } ;
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CHECK_THROWS_AS ( _ = json : : from_msgpack ( vec1 ) , json : : parse_error & ) ;
CHECK_THROWS_WITH ( _ = json : : from_msgpack ( vec1 ) ,
2018-10-17 10:15:58 +00:00
" [json.exception.parse_error.110] parse error at byte 4: syntax error while parsing MessagePack number: unexpected end of input " ) ;
2016-12-29 15:14:15 +00:00
// related test case: incomplete float32
std : : vector < uint8_t > vec2 { 0xca , 0x8f , 0x0a } ;
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CHECK_THROWS_AS ( _ = json : : from_msgpack ( vec2 ) , json : : parse_error & ) ;
CHECK_THROWS_WITH ( _ = json : : from_msgpack ( vec2 ) ,
2018-10-17 10:15:58 +00:00
" [json.exception.parse_error.110] parse error at byte 4: syntax error while parsing MessagePack number: unexpected end of input " ) ;
2016-12-29 15:14:15 +00:00
// related test case: incomplete Half-Precision Float (CBOR)
std : : vector < uint8_t > vec3 { 0xf9 , 0x8f } ;
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CHECK_THROWS_AS ( _ = json : : from_cbor ( vec3 ) , json : : parse_error & ) ;
CHECK_THROWS_WITH ( _ = json : : from_cbor ( vec3 ) ,
2018-10-17 10:15:58 +00:00
" [json.exception.parse_error.110] parse error at byte 3: syntax error while parsing CBOR number: unexpected end of input " ) ;
2016-12-29 15:14:15 +00:00
// related test case: incomplete Single-Precision Float (CBOR)
std : : vector < uint8_t > vec4 { 0xfa , 0x8f , 0x0a } ;
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CHECK_THROWS_AS ( _ = json : : from_cbor ( vec4 ) , json : : parse_error & ) ;
CHECK_THROWS_WITH ( _ = json : : from_cbor ( vec4 ) ,
2018-10-17 10:15:58 +00:00
" [json.exception.parse_error.110] parse error at byte 4: syntax error while parsing CBOR number: unexpected end of input " ) ;
2016-12-29 15:14:15 +00:00
// related test case: incomplete Double-Precision Float (CBOR)
std : : vector < uint8_t > vec5 { 0xfb , 0x8f , 0x0a } ;
2019-07-02 19:06:42 +00:00
CHECK_THROWS_AS ( _ = json : : from_cbor ( vec5 ) , json : : parse_error & ) ;
CHECK_THROWS_WITH ( _ = json : : from_cbor ( vec5 ) ,
2018-10-17 10:15:58 +00:00
" [json.exception.parse_error.110] parse error at byte 4: syntax error while parsing CBOR number: unexpected end of input " ) ;
2016-12-29 15:14:15 +00:00
}
2016-12-29 16:00:02 +00:00
SECTION ( " issue #408 - Heap-buffer-overflow (OSS-Fuzz issue 344) " )
{
2019-07-02 19:06:42 +00:00
json _ ;
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// original test case
std : : vector < uint8_t > vec1 { 0x87 } ;
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CHECK_THROWS_AS ( _ = json : : from_msgpack ( vec1 ) , json : : parse_error & ) ;
CHECK_THROWS_WITH ( _ = json : : from_msgpack ( vec1 ) ,
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" [json.exception.parse_error.110] parse error at byte 2: syntax error while parsing MessagePack string: unexpected end of input " ) ;
2016-12-29 16:00:02 +00:00
// more test cases for MessagePack
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for ( auto b :
2016-12-29 16:00:02 +00:00
{
0x81 , 0x82 , 0x83 , 0x84 , 0x85 , 0x86 , 0x87 , 0x88 , 0x89 , 0x8a , 0x8b , 0x8c , 0x8d , 0x8e , 0x8f , // fixmap
0x91 , 0x92 , 0x93 , 0x94 , 0x95 , 0x96 , 0x97 , 0x98 , 0x99 , 0x9a , 0x9b , 0x9c , 0x9d , 0x9e , 0x9f , // fixarray
0xa1 , 0xa2 , 0xa3 , 0xa4 , 0xa5 , 0xa6 , 0xa7 , 0xa8 , 0xa9 , 0xaa , 0xab , 0xac , 0xad , 0xae , 0xaf , // fixstr
0xb0 , 0xb1 , 0xb2 , 0xb3 , 0xb4 , 0xb5 , 0xb6 , 0xb7 , 0xb8 , 0xb9 , 0xba , 0xbb , 0xbc , 0xbd , 0xbe , 0xbf
} )
{
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std : : vector < uint8_t > vec ( 1 , static_cast < uint8_t > ( b ) ) ;
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CHECK_THROWS_AS ( _ = json : : from_msgpack ( vec ) , json : : parse_error & ) ;
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}
// more test cases for CBOR
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for ( auto b :
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{
0x61 , 0x62 , 0x63 , 0x64 , 0x65 , 0x66 , 0x67 , 0x68 , 0x69 , 0x6a , 0x6b , 0x6c , 0x6d , 0x6e , 0x6f ,
0x70 , 0x71 , 0x72 , 0x73 , 0x74 , 0x75 , 0x76 , 0x77 , // UTF-8 string
0x81 , 0x82 , 0x83 , 0x84 , 0x85 , 0x86 , 0x87 , 0x88 , 0x89 , 0x8a , 0x8b , 0x8c , 0x8d , 0x8e , 0x8f ,
0x90 , 0x91 , 0x92 , 0x93 , 0x94 , 0x95 , 0x96 , 0x97 , // array
0xa1 , 0xa2 , 0xa3 , 0xa4 , 0xa5 , 0xa6 , 0xa7 , 0xa8 , 0xa9 , 0xaa , 0xab , 0xac , 0xad , 0xae , 0xaf ,
0xb0 , 0xb1 , 0xb2 , 0xb3 , 0xb4 , 0xb5 , 0xb6 , 0xb7 // map
} )
{
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std : : vector < uint8_t > vec ( 1 , static_cast < uint8_t > ( b ) ) ;
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CHECK_THROWS_AS ( _ = json : : from_cbor ( vec ) , json : : parse_error & ) ;
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}
// special case: empty input
std : : vector < uint8_t > vec2 ;
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CHECK_THROWS_AS ( _ = json : : from_cbor ( vec2 ) , json : : parse_error & ) ;
CHECK_THROWS_WITH ( _ = json : : from_cbor ( vec2 ) ,
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" [json.exception.parse_error.110] parse error at byte 1: syntax error while parsing CBOR value: unexpected end of input " ) ;
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CHECK_THROWS_AS ( _ = json : : from_msgpack ( vec2 ) , json : : parse_error & ) ;
CHECK_THROWS_WITH ( _ = json : : from_msgpack ( vec2 ) ,
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" [json.exception.parse_error.110] parse error at byte 1: syntax error while parsing MessagePack value: unexpected end of input " ) ;
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}
2017-01-01 14:28:01 +00:00
SECTION ( " issue #411 - Heap-buffer-overflow (OSS-Fuzz issue 366) " )
{
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json _ ;
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// original test case: empty UTF-8 string (indefinite length)
std : : vector < uint8_t > vec1 { 0x7f } ;
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CHECK_THROWS_AS ( _ = json : : from_cbor ( vec1 ) , json : : parse_error & ) ;
CHECK_THROWS_WITH ( _ = json : : from_cbor ( vec1 ) ,
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" [json.exception.parse_error.110] parse error at byte 2: syntax error while parsing CBOR string: unexpected end of input " ) ;
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// related test case: empty array (indefinite length)
std : : vector < uint8_t > vec2 { 0x9f } ;
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CHECK_THROWS_AS ( _ = json : : from_cbor ( vec2 ) , json : : parse_error & ) ;
CHECK_THROWS_WITH ( _ = json : : from_cbor ( vec2 ) ,
2018-10-17 10:15:58 +00:00
" [json.exception.parse_error.110] parse error at byte 2: syntax error while parsing CBOR value: unexpected end of input " ) ;
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// related test case: empty map (indefinite length)
std : : vector < uint8_t > vec3 { 0xbf } ;
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CHECK_THROWS_AS ( _ = json : : from_cbor ( vec3 ) , json : : parse_error & ) ;
CHECK_THROWS_WITH ( _ = json : : from_cbor ( vec3 ) ,
2018-10-17 10:15:58 +00:00
" [json.exception.parse_error.110] parse error at byte 2: syntax error while parsing CBOR string: unexpected end of input " ) ;
2017-01-01 14:28:01 +00:00
}
SECTION ( " issue #412 - Heap-buffer-overflow (OSS-Fuzz issue 367) " )
{
// original test case
std : : vector < uint8_t > vec
{
0xab , 0x98 , 0x98 , 0x98 , 0x98 , 0x98 , 0x98 , 0x98 ,
0x98 , 0x98 , 0x98 , 0x98 , 0x98 , 0x00 , 0x00 , 0x00 ,
0x60 , 0xab , 0x98 , 0x98 , 0x98 , 0x98 , 0x98 , 0x98 ,
0x98 , 0x98 , 0x98 , 0x98 , 0x98 , 0x00 , 0x00 , 0x00 ,
0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 ,
0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 ,
0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 ,
0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 ,
0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 ,
0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 ,
0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0xa0 , 0x9f ,
0x9f , 0x97 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 ,
0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 ,
0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 ,
0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 ,
0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 ,
0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60 , 0x60
} ;
2019-07-02 19:06:42 +00:00
json _ ;
CHECK_THROWS_AS ( _ = json : : from_cbor ( vec ) , json : : parse_error & ) ;
CHECK_THROWS_WITH ( _ = json : : from_cbor ( vec ) ,
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" [json.exception.parse_error.113] parse error at byte 2: syntax error while parsing CBOR string: expected length specification (0x60-0x7B) or indefinite string type (0x7F); last byte: 0x98 " ) ;
2017-01-01 14:28:01 +00:00
// related test case: nonempty UTF-8 string (indefinite length)
std : : vector < uint8_t > vec1 { 0x7f , 0x61 , 0x61 } ;
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CHECK_THROWS_AS ( _ = json : : from_cbor ( vec1 ) , json : : parse_error & ) ;
CHECK_THROWS_WITH ( _ = json : : from_cbor ( vec1 ) ,
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" [json.exception.parse_error.110] parse error at byte 4: syntax error while parsing CBOR string: unexpected end of input " ) ;
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// related test case: nonempty array (indefinite length)
std : : vector < uint8_t > vec2 { 0x9f , 0x01 } ;
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CHECK_THROWS_AS ( _ = json : : from_cbor ( vec2 ) , json : : parse_error & ) ;
CHECK_THROWS_WITH ( _ = json : : from_cbor ( vec2 ) ,
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" [json.exception.parse_error.110] parse error at byte 3: syntax error while parsing CBOR value: unexpected end of input " ) ;
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// related test case: nonempty map (indefinite length)
std : : vector < uint8_t > vec3 { 0xbf , 0x61 , 0x61 , 0x01 } ;
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CHECK_THROWS_AS ( _ = json : : from_cbor ( vec3 ) , json : : parse_error & ) ;
CHECK_THROWS_WITH ( _ = json : : from_cbor ( vec3 ) ,
2018-10-17 10:15:58 +00:00
" [json.exception.parse_error.110] parse error at byte 5: syntax error while parsing CBOR string: unexpected end of input " ) ;
2017-01-01 14:28:01 +00:00
}
2017-01-03 22:52:01 +00:00
2017-01-02 22:49:33 +00:00
SECTION ( " issue #414 - compare with literal 0) " )
{
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# define CHECK_TYPE(v) \
CHECK ( ( json ( v ) = = v ) ) ; \
CHECK ( ( v = = json ( v ) ) ) ; \
CHECK_FALSE ( ( json ( v ) ! = v ) ) ; \
CHECK_FALSE ( ( v ! = json ( v ) ) ) ;
2017-01-02 22:49:33 +00:00
2018-12-23 12:56:18 +00:00
CHECK_TYPE ( nullptr )
CHECK_TYPE ( 0 )
CHECK_TYPE ( 0u )
CHECK_TYPE ( 0L )
CHECK_TYPE ( 0.0 )
CHECK_TYPE ( " " )
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2017-02-16 07:50:20 +00:00
# undef CHECK_TYPE
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}
2017-02-15 13:00:25 +00:00
2017-01-03 22:52:01 +00:00
SECTION ( " issue #416 - Use-of-uninitialized-value (OSS-Fuzz issue 377) " )
{
// original test case
std : : vector < uint8_t > vec1
{
0x94 , 0xfa , 0xfa , 0xfa , 0xfa , 0xfa , 0xfa , 0xfa ,
0x3a , 0x96 , 0x96 , 0xb4 , 0xb4 , 0xb4 , 0xb4 , 0xb4 ,
0xb4 , 0xb4 , 0xb4 , 0xb4 , 0xb4 , 0xb4 , 0xb4 , 0x71 ,
0xb4 , 0xb4 , 0xfa , 0xfa , 0xfa , 0xfa , 0xfa , 0x3a ,
0x96 , 0x96 , 0xb4 , 0xb4 , 0xfa , 0x94 , 0x94 , 0x61 ,
0x61 , 0x61 , 0x61 , 0x61 , 0x61 , 0x61 , 0x61 , 0xfa
} ;
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json _ ;
CHECK_THROWS_AS ( _ = json : : from_cbor ( vec1 ) , json : : parse_error & ) ;
CHECK_THROWS_WITH ( _ = json : : from_cbor ( vec1 ) ,
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" [json.exception.parse_error.113] parse error at byte 13: syntax error while parsing CBOR string: expected length specification (0x60-0x7B) or indefinite string type (0x7F); last byte: 0xB4 " ) ;
2017-01-03 22:52:01 +00:00
// related test case: double-precision
std : : vector < uint8_t > vec2
{
0x94 , 0xfa , 0xfa , 0xfa , 0xfa , 0xfa , 0xfa , 0xfa ,
0x3a , 0x96 , 0x96 , 0xb4 , 0xb4 , 0xb4 , 0xb4 , 0xb4 ,
0xb4 , 0xb4 , 0xb4 , 0xb4 , 0xb4 , 0xb4 , 0xb4 , 0x71 ,
0xb4 , 0xb4 , 0xfa , 0xfa , 0xfa , 0xfa , 0xfa , 0x3a ,
0x96 , 0x96 , 0xb4 , 0xb4 , 0xfa , 0x94 , 0x94 , 0x61 ,
0x61 , 0x61 , 0x61 , 0x61 , 0x61 , 0x61 , 0x61 , 0xfb
} ;
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CHECK_THROWS_AS ( _ = json : : from_cbor ( vec2 ) , json : : parse_error & ) ;
CHECK_THROWS_WITH ( _ = json : : from_cbor ( vec2 ) ,
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" [json.exception.parse_error.113] parse error at byte 13: syntax error while parsing CBOR string: expected length specification (0x60-0x7B) or indefinite string type (0x7F); last byte: 0xB4 " ) ;
2017-01-03 22:52:01 +00:00
}
2017-02-15 20:30:28 +00:00
SECTION ( " issue #452 - Heap-buffer-overflow (OSS-Fuzz issue 585) " )
{
std : : vector < uint8_t > vec = { ' - ' , ' 0 ' , ' 1 ' , ' 2 ' , ' 2 ' , ' 7 ' , ' 4 ' } ;
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json _ ;
CHECK_THROWS_AS ( _ = json : : parse ( vec ) , json : : parse_error & ) ;
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}
2017-02-16 08:24:45 +00:00
SECTION ( " issue #454 - doubles are printed as integers " )
{
json j = R " ({ " bool_value " :true, " double_value " :2.0, " int_value " :10, " level1 " :{ " list_value " :[3, " hi " ,false], " tmp " :5.0}, " string_value " : " hello " }) " _json ;
CHECK ( j [ " double_value " ] . is_number_float ( ) ) ;
}
2017-02-20 21:48:27 +00:00
2017-03-28 21:28:54 +00:00
SECTION ( " issue #464 - VS2017 implicit to std::string conversion fix " )
{
json v = " test " ;
std : : string test ;
test = v ;
CHECK ( v = = " test " ) ;
}
2017-02-20 21:48:27 +00:00
SECTION ( " issue #465 - roundtrip error while parsing 1000000000000000010E5 " )
{
json j1 = json : : parse ( " 1000000000000000010E5 " ) ;
std : : string s1 = j1 . dump ( ) ;
json j2 = json : : parse ( s1 ) ;
std : : string s2 = j2 . dump ( ) ;
CHECK ( s1 = = s2 ) ;
}
2017-03-11 14:32:44 +00:00
2017-03-12 14:20:17 +00:00
SECTION ( " issue #473 - inconsistent behavior in conversion to array type " )
{
json j_array = { 1 , 2 , 3 , 4 } ;
json j_number = 42 ;
json j_null = nullptr ;
SECTION ( " std::vector " )
{
auto create = [ ] ( const json & j )
{
std : : vector < int > v = j ;
} ;
CHECK_NOTHROW ( create ( j_array ) ) ;
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CHECK_THROWS_AS ( create ( j_number ) , json : : type_error & ) ;
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CHECK_THROWS_WITH ( create ( j_number ) , " [json.exception.type_error.302] type must be array, but is number " ) ;
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CHECK_THROWS_AS ( create ( j_null ) , json : : type_error & ) ;
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CHECK_THROWS_WITH ( create ( j_null ) , " [json.exception.type_error.302] type must be array, but is null " ) ;
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}
SECTION ( " std::list " )
{
auto create = [ ] ( const json & j )
{
std : : list < int > v = j ;
} ;
CHECK_NOTHROW ( create ( j_array ) ) ;
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CHECK_THROWS_AS ( create ( j_number ) , json : : type_error & ) ;
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CHECK_THROWS_WITH ( create ( j_number ) , " [json.exception.type_error.302] type must be array, but is number " ) ;
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CHECK_THROWS_AS ( create ( j_null ) , json : : type_error & ) ;
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CHECK_THROWS_WITH ( create ( j_null ) , " [json.exception.type_error.302] type must be array, but is null " ) ;
2017-03-12 14:20:17 +00:00
}
SECTION ( " std::forward_list " )
{
auto create = [ ] ( const json & j )
{
std : : forward_list < int > v = j ;
} ;
CHECK_NOTHROW ( create ( j_array ) ) ;
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CHECK_THROWS_AS ( create ( j_number ) , json : : type_error & ) ;
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CHECK_THROWS_WITH ( create ( j_number ) , " [json.exception.type_error.302] type must be array, but is number " ) ;
2017-07-07 20:41:22 +00:00
CHECK_THROWS_AS ( create ( j_null ) , json : : type_error & ) ;
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CHECK_THROWS_WITH ( create ( j_null ) , " [json.exception.type_error.302] type must be array, but is null " ) ;
2017-03-12 14:20:17 +00:00
}
}
2017-03-11 14:44:14 +00:00
SECTION ( " issue #486 - json::value_t can't be a map's key type in VC++ 2015 " )
{
// the code below must compile with MSVC
std : : map < json : : value_t , std : : string > jsonTypes ;
jsonTypes [ json : : value_t : : array ] = " array " ;
}
2017-03-12 09:40:36 +00:00
2017-03-11 14:32:44 +00:00
SECTION ( " issue #494 - conversion from vector<bool> to json fails to build " )
{
std : : vector < bool > boolVector = { false , true , false , false } ;
json j ;
j [ " bool_vector " ] = boolVector ;
CHECK ( j [ " bool_vector " ] . dump ( ) = = " [false,true,false,false] " ) ;
}
2017-03-11 18:26:12 +00:00
2017-03-14 20:05:38 +00:00
SECTION ( " issue #504 - assertion error (OSS-Fuzz 856) " )
{
std : : vector < uint8_t > vec1 = { 0xf9 , 0xff , 0xff , 0x4a , 0x3a , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0xff , 0x01 , 0x37 , 0x02 , 0x38 } ;
2017-08-16 12:48:23 +00:00
json j1 = json : : from_cbor ( vec1 , false ) ;
2017-03-14 20:05:38 +00:00
// step 2: round trip
std : : vector < uint8_t > vec2 = json : : to_cbor ( j1 ) ;
// parse serialization
json j2 = json : : from_cbor ( vec2 ) ;
// NaN is dumped to "null"
CHECK ( j2 . is_number_float ( ) ) ;
CHECK ( std : : isnan ( j2 . get < json : : number_float_t > ( ) ) ) ;
CHECK ( j2 . dump ( ) = = " null " ) ;
// check if serializations match
CHECK ( json : : to_cbor ( j2 ) = = vec2 ) ;
}
2017-04-07 13:44:41 +00:00
SECTION ( " issue #512 - use of overloaded operator '<=' is ambiguous " )
{
json j ;
j [ " a " ] = 5 ;
// json op scalar
CHECK ( j [ " a " ] = = 5 ) ;
CHECK ( j [ " a " ] ! = 4 ) ;
CHECK ( j [ " a " ] < = 7 ) ;
CHECK ( j [ " a " ] < 7 ) ;
CHECK ( j [ " a " ] > = 3 ) ;
CHECK ( j [ " a " ] > 3 ) ;
CHECK ( not ( j [ " a " ] < = 4 ) ) ;
CHECK ( not ( j [ " a " ] < 4 ) ) ;
CHECK ( not ( j [ " a " ] > = 6 ) ) ;
CHECK ( not ( j [ " a " ] > 6 ) ) ;
// scalar op json
CHECK ( 5 = = j [ " a " ] ) ;
CHECK ( 4 ! = j [ " a " ] ) ;
CHECK ( 7 > = j [ " a " ] ) ;
CHECK ( 7 > j [ " a " ] ) ;
CHECK ( 3 < = j [ " a " ] ) ;
CHECK ( 3 < j [ " a " ] ) ;
CHECK ( not ( 4 > = j [ " a " ] ) ) ;
CHECK ( not ( 4 > j [ " a " ] ) ) ;
CHECK ( not ( 6 < = j [ " a " ] ) ) ;
CHECK ( not ( 6 < j [ " a " ] ) ) ;
}
2017-05-07 11:41:48 +00:00
SECTION ( " issue #575 - heap-buffer-overflow (OSS-Fuzz 1400) " )
{
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json _ ;
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std : : vector < uint8_t > vec = { ' " ' , ' \\ ' , ' " ' , ' X ' , ' " ' , ' " ' } ;
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CHECK_THROWS_AS ( _ = json : : parse ( vec ) , json : : parse_error & ) ;
2017-05-07 11:41:48 +00:00
}
2017-06-02 10:38:32 +00:00
2017-06-17 11:37:04 +00:00
SECTION ( " issue #600 - how does one convert a map in Json back to std::map? " )
{
SECTION ( " example 1 " )
{
// create a map
std : : map < std : : string , int > m1 { { " key " , 1 } } ;
// create and print a JSON from the map
json j = m1 ;
// get the map out of JSON
std : : map < std : : string , int > m2 = j ;
// make sure the roundtrip succeeds
CHECK ( m1 = = m2 ) ;
}
SECTION ( " example 2 " )
{
// create a map
std : : map < std : : string , std : : string > m1 { { " key " , " val " } } ;
// create and print a JSON from the map
json j = m1 ;
// get the map out of JSON
std : : map < std : : string , std : : string > m2 = j ;
// make sure the roundtrip succeeds
CHECK ( m1 = = m2 ) ;
}
}
2017-06-02 10:38:32 +00:00
SECTION ( " issue #602 - BOM not skipped when using json:parse(iterator) " )
{
std : : string i = " \xef \xbb \xbf { \n \" foo \" : true \n } " ;
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json _ ;
CHECK_NOTHROW ( _ = json : : parse ( i . begin ( ) , i . end ( ) ) ) ;
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}
2017-08-22 21:28:23 +00:00
SECTION ( " issue #702 - conversion from valarray<double> to json fails to build " )
{
SECTION ( " original example " )
{
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std : : valarray < double > v ;
nlohmann : : json j ;
j [ " test " ] = v ;
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}
SECTION ( " full example " )
{
std : : valarray < double > v = { 1.2 , 2.3 , 3.4 , 4.5 } ;
json j = v ;
std : : valarray < double > vj = j ;
CHECK ( j = = json ( vj ) ) ;
CHECK ( v . size ( ) = = vj . size ( ) ) ;
for ( size_t i = 0 ; i < v . size ( ) ; + + i )
{
CHECK ( v [ i ] = = vj [ i ] ) ;
CHECK ( v [ i ] = = j [ i ] ) ;
}
CHECK_THROWS_AS ( json ( ) . get < std : : valarray < double > > ( ) , json : : type_error & ) ;
CHECK_THROWS_WITH ( json ( ) . get < std : : valarray < double > > ( ) ,
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" [json.exception.type_error.302] type must be array, but is null " ) ;
2017-08-22 21:28:23 +00:00
}
}
2017-10-02 21:17:23 +00:00
SECTION ( " issue #367 - Behavior of operator>> should more closely resemble that of built-in overloads. " )
{
2017-10-22 07:12:35 +00:00
SECTION ( " example 1 " )
{
std : : istringstream i1_2_3 ( " { \" first \" : \" one \" }{ \" second \" : \" two \" }3 " ) ;
json j1 , j2 , j3 ;
i1_2_3 > > j1 ;
i1_2_3 > > j2 ;
i1_2_3 > > j3 ;
std : : map < std : : string , std : : string > m1 = j1 ;
std : : map < std : : string , std : : string > m2 = j2 ;
int i3 = j3 ;
CHECK ( m1 = = ( std : : map < std : : string , std : : string > { { " first " , " one " } } ) ) ;
CHECK ( m2 = = ( std : : map < std : : string , std : : string > { { " second " , " two " } } ) ) ;
CHECK ( i3 = = 3 ) ;
}
2017-10-02 21:17:23 +00:00
}
2017-10-22 09:16:33 +00:00
2017-10-31 14:04:14 +00:00
SECTION ( " issue #714 - throw std::ios_base::failure exception when failbit set to true " )
{
2017-10-22 09:16:33 +00:00
{
2017-10-31 14:04:14 +00:00
std : : ifstream is ;
is . exceptions (
is . exceptions ( )
| std : : ios_base : : failbit
| std : : ios_base : : badbit
) ; // handle different exceptions as 'file not found', 'permission denied'
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is . open ( TEST_DATA_DIRECTORY " /regression/working_file.json " ) ;
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json _ ;
CHECK_NOTHROW ( _ = nlohmann : : json : : parse ( is ) ) ;
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}
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{
std : : ifstream is ;
is . exceptions (
is . exceptions ( )
| std : : ios_base : : failbit
| std : : ios_base : : badbit
) ; // handle different exceptions as 'file not found', 'permission denied'
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is . open ( TEST_DATA_DIRECTORY " /json_nlohmann_tests/all_unicode.json.cbor " ,
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std : : ios_base : : in | std : : ios_base : : binary ) ;
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json _ ;
CHECK_NOTHROW ( _ = nlohmann : : json : : from_cbor ( is ) ) ;
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}
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}
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SECTION ( " issue #805 - copy constructor is used with std::initializer_list constructor. " )
{
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nocopy n ;
json j ;
j = { { " nocopy " , n } } ;
CHECK ( j [ " nocopy " ] [ " val " ] = = 0 ) ;
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}
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SECTION ( " issue #838 - incorrect parse error with binary data in keys " )
{
uint8_t key1 [ ] = { 103 , 92 , 117 , 48 , 48 , 48 , 55 , 92 , 114 , 215 , 126 , 214 , 95 , 92 , 34 , 174 , 40 , 71 , 38 , 174 , 40 , 71 , 38 , 223 , 134 , 247 , 127 } ;
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std : : string key1_str ( key1 , key1 + sizeof ( key1 ) / sizeof ( key1 [ 0 ] ) ) ;
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json j = key1_str ;
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CHECK_THROWS_AS ( j . dump ( ) , json : : type_error & ) ;
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CHECK_THROWS_WITH ( j . dump ( ) , " [json.exception.type_error.316] invalid UTF-8 byte at index 10: 0x7E " ) ;
}
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SECTION ( " issue #843 - converting to array not working " )
{
json j ;
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std : : array < int , 4 > ar = { { 1 , 1 , 1 , 1 } } ;
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j = ar ;
ar = j ;
}
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SECTION ( " issue #894 - invalid RFC6902 copy operation succeeds " )
{
auto model = R " ({
" one " : {
" two " : {
" three " : " hello " ,
" four " : 42
}
}
} ) " _json;
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auto p1 = R " ([{ " op " : " move " ,
" from " : " /one/two/three " ,
" path " : " /a/b/c " } ] ) " _json;
CHECK_THROWS_AS ( model . patch ( p1 ) , json : : out_of_range & ) ;
auto p2 = R " ([{ " op " : " move " ,
" from " : " /one/two/three " ,
" path " : " /a/b/c " } ] ) " _json;
CHECK_THROWS_WITH ( model . patch ( p2 ) ,
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" [json.exception.out_of_range.403] key 'a' not found " ) ;
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auto p3 = R " ([{ " op " : " copy " ,
" from " : " /one/two/three " ,
" path " : " /a/b/c " } ] ) " _json;
CHECK_THROWS_AS ( model . patch ( p3 ) , json : : out_of_range & ) ;
auto p4 = R " ([{ " op " : " copy " ,
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" from " : " /one/two/three " ,
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" path " : " /a/b/c " } ] ) " _json;
CHECK_THROWS_WITH ( model . patch ( p4 ) ,
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" [json.exception.out_of_range.403] key 'a' not found " ) ;
}
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SECTION ( " issue #961 - incorrect parsing of indefinite length CBOR strings " )
{
std : : vector < uint8_t > v_cbor =
{
0x7F ,
0x64 ,
' a ' , ' b ' , ' c ' , ' d ' ,
0x63 ,
' 1 ' , ' 2 ' , ' 3 ' ,
0xFF
} ;
json j = json : : from_cbor ( v_cbor ) ;
CHECK ( j = = " abcd123 " ) ;
}
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SECTION ( " issue #962 - Timeout (OSS-Fuzz 6034) " )
{
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json _ ;
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std : : vector < uint8_t > v_ubjson = { ' [ ' , ' $ ' , ' Z ' , ' # ' , ' L ' , 0x78 , 0x28 , 0x00 , 0x68 , 0x28 , 0x69 , 0x69 , 0x17 } ;
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CHECK_THROWS_AS ( _ = json : : from_ubjson ( v_ubjson ) , json : : out_of_range & ) ;
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//CHECK_THROWS_WITH(json::from_ubjson(v_ubjson),
// "[json.exception.out_of_range.408] excessive array size: 8658170730974374167");
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v_ubjson [ 0 ] = ' { ' ;
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CHECK_THROWS_AS ( _ = json : : from_ubjson ( v_ubjson ) , json : : out_of_range & ) ;
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//CHECK_THROWS_WITH(json::from_ubjson(v_ubjson),
// "[json.exception.out_of_range.408] excessive object size: 8658170730974374167");
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}
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SECTION ( " issue #971 - Add a SAX parser - late bug " )
{
// a JSON text
auto text = R " (
{
" Image " : {
" Width " : 800 ,
" Height " : 600 ,
" Title " : " View from 15th Floor " ,
" Thumbnail " : {
" Url " : " http://www.example.com/image/481989943 " ,
" Height " : 125 ,
" Width " : 100
} ,
" Animated " : false ,
" IDs " : [ 116 , 943 , 234 , 38793 ]
}
}
) " ;
// define parser callback
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json : : parser_callback_t cb = [ ] ( int /*depth*/ , json : : parse_event_t event , json & parsed )
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{
// skip object elements with key "Thumbnail"
if ( event = = json : : parse_event_t : : key and parsed = = json ( " Thumbnail " ) )
{
return false ;
}
else
{
return true ;
}
} ;
// parse (with callback) and serialize JSON
json j_filtered = json : : parse ( text , cb ) ;
CHECK ( j_filtered = = R " ({ " Image " :{ " Animated " :false, " Height " :600, " IDs " :[116,943,234,38793], " Title " : " View from 15 th Floor " , " Width " :800}}) " _json ) ;
}
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SECTION ( " issue #972 - Segmentation fault on G++ when trying to assign json string literal to custom json type " )
{
my_json foo = R " ([1, 2, 3]) " _json ;
}
SECTION ( " issue #977 - Assigning between different json types " )
{
foo_json lj = ns : : foo { 3 } ;
ns : : foo ff = lj ;
CHECK ( lj . is_object ( ) ) ;
CHECK ( lj . size ( ) = = 1 ) ;
CHECK ( lj [ " x " ] = = 3 ) ;
CHECK ( ff . x = = 3 ) ;
nlohmann : : json nj = lj ; // This line works as expected
}
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SECTION ( " issue #1001 - Fix memory leak during parser callback " )
{
auto geojsonExample = R " (
{ " type " : " FeatureCollection " ,
" features " : [
{ " type " : " Feature " ,
" geometry " : { " type " : " Point " , " coordinates " : [ 102.0 , 0.5 ] } ,
" properties " : { " prop0 " : " value0 " }
} ,
{ " type " : " Feature " ,
" geometry " : {
" type " : " LineString " ,
" coordinates " : [
[ 102.0 , 0.0 ] , [ 103.0 , 1.0 ] , [ 104.0 , 0.0 ] , [ 105.0 , 1.0 ]
]
} ,
" properties " : {
" prop0 " : " value0 " ,
" prop1 " : 0.0
}
} ,
{ " type " : " Feature " ,
" geometry " : {
" type " : " Polygon " ,
" coordinates " : [
[ [ 100.0 , 0.0 ] , [ 101.0 , 0.0 ] , [ 101.0 , 1.0 ] ,
[ 100.0 , 1.0 ] , [ 100.0 , 0.0 ] ]
]
} ,
" properties " : {
" prop0 " : " value0 " ,
" prop1 " : { " this " : " that " }
}
}
]
} ) " ;
json : : parser_callback_t cb = [ & ] ( int , json : : parse_event_t event , json & parsed )
{
// skip uninteresting events
if ( event = = json : : parse_event_t : : value and ! parsed . is_primitive ( ) )
{
return false ;
}
switch ( event )
{
case json : : parse_event_t : : key :
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{
return true ;
}
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case json : : parse_event_t : : value :
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{
return false ;
}
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case json : : parse_event_t : : object_start :
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{
return true ;
}
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case json : : parse_event_t : : object_end :
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{
return false ;
}
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case json : : parse_event_t : : array_start :
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{
return true ;
}
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case json : : parse_event_t : : array_end :
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{
return false ;
}
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default :
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{
return true ;
}
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}
} ;
auto j = json : : parse ( geojsonExample , cb , true ) ;
CHECK ( j = = json ( ) ) ;
}
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SECTION ( " issue #1021 - to/from_msgpack only works with standard typization " )
{
float_json j = 1000.0 ;
CHECK ( float_json : : from_cbor ( float_json : : to_cbor ( j ) ) = = j ) ;
CHECK ( float_json : : from_msgpack ( float_json : : to_msgpack ( j ) ) = = j ) ;
CHECK ( float_json : : from_ubjson ( float_json : : to_ubjson ( j ) ) = = j ) ;
float_json j2 = { 1000.0 , 2000.0 , 3000.0 } ;
CHECK ( float_json : : from_ubjson ( float_json : : to_ubjson ( j2 , true , true ) ) = = j2 ) ;
}
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SECTION ( " issue #1045 - Using STL algorithms with JSON containers with expected results? " )
{
json diffs = nlohmann : : json : : array ( ) ;
json m1 { { " key1 " , 42 } } ;
json m2 { { " key2 " , 42 } } ;
auto p1 = m1 . items ( ) ;
auto p2 = m2 . items ( ) ;
using it_type = decltype ( p1 . begin ( ) ) ;
std : : set_difference (
p1 . begin ( ) , p1 . end ( ) ,
p2 . begin ( ) , p2 . end ( ) ,
std : : inserter ( diffs , diffs . end ( ) ) , [ & ] ( const it_type & e1 , const it_type & e2 ) - > bool
{
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using comper_pair = std : : pair < std : : string , decltype ( e1 . value ( ) ) > ; // Trying to avoid unneeded copy
return comper_pair ( e1 . key ( ) , e1 . value ( ) ) < comper_pair ( e2 . key ( ) , e2 . value ( ) ) ; // Using pair comper
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} ) ;
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CHECK ( diffs . size ( ) = = 1 ) ; // Note the change here, was 2
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}
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# ifdef JSON_HAS_CPP_17
SECTION ( " issue #1292 - Serializing std::variant causes stack overflow " )
{
static_assert (
not std : : is_constructible < json , std : : variant < int , float > > : : value , " " ) ;
}
# endif
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SECTION ( " issue #1299 - compile error in from_json converting to container "
" with std::pair " )
{
json j =
{
{ " 1 " , { { " a " , " testa_1 " } , { " b " , " testb_1 " } } } ,
{ " 2 " , { { " a " , " testa_2 " } , { " b " , " testb_2 " } } } ,
{ " 3 " , { { " a " , " testa_3 " } , { " b " , " testb_3 " } } } ,
} ;
std : : map < std : : string , Data > expected
{
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{ " 1 " , { " testa_1 " , " testb_1 " } } ,
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{ " 2 " , { " testa_2 " , " testb_2 " } } ,
{ " 3 " , { " testa_3 " , " testb_3 " } } ,
} ;
const auto data = j . get < decltype ( expected ) > ( ) ;
CHECK ( expected = = data ) ;
}
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SECTION ( " issue #1445 - buffer overflow in dumping invalid utf-8 strings " )
{
SECTION ( " a bunch of -1, ensure_ascii=true " )
{
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const auto length = 300 ;
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json dump_test ;
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dump_test [ " 1 " ] = std : : string ( length , - 1 ) ;
std : : string expected = " { \" 1 \" : \" " ;
for ( int i = 0 ; i < length ; + + i )
{
expected + = " \\ ufffd " ;
}
expected + = " \" } " ;
auto s = dump_test . dump ( - 1 , ' ' , true , nlohmann : : json : : error_handler_t : : replace ) ;
CHECK ( s = = expected ) ;
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}
SECTION ( " a bunch of -2, ensure_ascii=false " )
{
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const auto length = 500 ;
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json dump_test ;
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dump_test [ " 1 " ] = std : : string ( length , - 2 ) ;
std : : string expected = " { \" 1 \" : \" " ;
for ( int i = 0 ; i < length ; + + i )
{
expected + = " \xEF \xBF \xBD " ;
}
expected + = " \" } " ;
auto s = dump_test . dump ( - 1 , ' ' , false , nlohmann : : json : : error_handler_t : : replace ) ;
CHECK ( s = = expected ) ;
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}
SECTION ( " test case in issue #1445 " )
{
nlohmann : : json dump_test ;
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const int data [ ] =
{
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109 , 108 , 103 , 125 , - 122 , - 53 , 115 ,
18 , 3 , 0 , 102 , 19 , 1 , 15 ,
- 110 , 13 , - 3 , - 1 , - 81 , 32 , 2 ,
0 , 0 , 0 , 0 , 0 , 0 , 0 ,
8 , 0 , 0 , 0 , 0 , 0 , 0 ,
0 , 0 , 0 , 0 , 0 , - 80 , 2 ,
0 , 0 , 96 , - 118 , 46 , - 116 , 46 ,
109 , - 84 , - 87 , 108 , 14 , 109 , - 24 ,
- 83 , 13 , - 18 , - 51 , - 83 , - 52 , - 115 ,
14 , 6 , 32 , 0 , 0 , 0 , 0 ,
0 , 0 , 0 , 0 , 0 , 0 , 0 ,
64 , 3 , 0 , 0 , 0 , 35 , - 74 ,
- 73 , 55 , 57 , - 128 , 0 , 0 , 0 ,
0 , 0 , 0 , 0 , 0 , 0 , 0 ,
0 , 0 , 33 , 0 , 0 , 0 , - 96 ,
- 54 , - 28 , - 26
} ;
std : : string s ;
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for ( unsigned i = 0 ; i < sizeof ( data ) / sizeof ( int ) ; i + + )
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{
s + = static_cast < char > ( data [ i ] ) ;
}
dump_test [ " 1 " ] = s ;
dump_test . dump ( - 1 , ' ' , true , nlohmann : : json : : error_handler_t : : replace ) ;
}
}
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SECTION ( " issue #1447 - Integer Overflow (OSS-Fuzz 12506) " )
{
json j = json : : parse ( " [-9223372036854775808] " ) ;
CHECK ( j . dump ( ) = = " [-9223372036854775808] " ) ;
}
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SECTION ( " issue #1708 - minimum value of int64_t can be outputted " )
{
constexpr auto smallest = ( std : : numeric_limits < int64_t > : : min ) ( ) ;
json j = smallest ;
CHECK ( j . dump ( ) = = std : : to_string ( smallest ) ) ;
}
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SECTION ( " issue #1727 - Contains with non-const lvalue json_pointer picks the wrong overload " )
{
json j = { { " root " , { { " settings " , { { " logging " , true } } } } } } ;
auto jptr1 = " /root/settings/logging " _json_pointer ;
auto jptr2 = json : : json_pointer { " /root/settings/logging " } ;
CHECK ( j . contains ( jptr1 ) ) ;
CHECK ( j . contains ( jptr2 ) ) ;
}
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SECTION ( " issue #1647 - compile error when deserializing enum if both non-default from_json and non-member operator== exists for other type " )
{
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{
json j ;
NonDefaultFromJsonStruct x = j ;
NonDefaultFromJsonStruct y ;
CHECK ( x = = y ) ;
}
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auto val = nlohmann : : json ( " one " ) . get < for_1647 > ( ) ;
CHECK ( val = = for_1647 : : one ) ;
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json j = val ;
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}
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SECTION ( " issue #1715 - json::from_cbor does not respect allow_exceptions = false when input is string literal " )
{
SECTION ( " string literal " )
{
json cbor = json : : from_cbor ( " B " , true , false ) ;
CHECK ( cbor . is_discarded ( ) ) ;
}
SECTION ( " string array " )
{
const char input [ ] = { ' B ' , 0x00 } ;
json cbor = json : : from_cbor ( input , true , false ) ;
CHECK ( cbor . is_discarded ( ) ) ;
}
SECTION ( " std::string " )
{
json cbor = json : : from_cbor ( std : : string ( " B " ) , true , false ) ;
CHECK ( cbor . is_discarded ( ) ) ;
}
}
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SECTION ( " issue #1805 - A pair<T1, T2> is json constructible only if T1 and T2 are json constructible " )
{
static_assert ( ! std : : is_constructible < json , std : : pair < std : : string , NotSerializableData > > : : value , " " ) ;
static_assert ( ! std : : is_constructible < json , std : : pair < NotSerializableData , std : : string > > : : value , " " ) ;
static_assert ( std : : is_constructible < json , std : : pair < int , std : : string > > : : value , " " ) ;
}
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SECTION ( " issue #1825 - A tuple<Args..> is json constructible only if all T in Args are json constructible " )
{
static_assert ( ! std : : is_constructible < json , std : : tuple < std : : string , NotSerializableData > > : : value , " " ) ;
static_assert ( ! std : : is_constructible < json , std : : tuple < NotSerializableData , std : : string > > : : value , " " ) ;
static_assert ( std : : is_constructible < json , std : : tuple < int , std : : string > > : : value , " " ) ;
}
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SECTION ( " issue #1983 - JSON patch diff for op=add formation is not as per standard (RFC 6902) " )
{
const auto source = R " ({ " foo " : [ " 1 " , " 2 " ] }) " _json ;
const auto target = R " ({ " foo " : [ " 1 " , " 2 " , " 3 " ]}) " _json ;
const auto result = json : : diff ( source , target ) ;
CHECK ( result . dump ( ) = = R " ([{ " op " : " add " , " path " : " / foo / - " , " value " : " 3 " }]) " ) ;
}
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SECTION ( " issue #2067 - cannot serialize binary data to text JSON " )
{
const unsigned char data [ ] = { 0x81 , 0xA4 , 0x64 , 0x61 , 0x74 , 0x61 , 0xC4 , 0x0F , 0x33 , 0x30 , 0x30 , 0x32 , 0x33 , 0x34 , 0x30 , 0x31 , 0x30 , 0x37 , 0x30 , 0x35 , 0x30 , 0x31 , 0x30 } ;
json j = json : : from_msgpack ( data , sizeof ( data ) / sizeof ( data [ 0 ] ) ) ;
CHECK_NOTHROW (
j . dump ( 4 , // Indent
' ' , // Indent char
false , // Ensure ascii
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json : : error_handler_t : : strict // Error
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)
) ;
}
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}
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# if not defined(JSON_NOEXCEPTION)
TEST_CASE ( " regression tests, exceptions dependent " )
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{
SECTION ( " issue #1340 - eof not set on exhausted input stream " )
{
std : : stringstream s ( " {}{} " ) ;
json j ;
s > > j ;
s > > j ;
CHECK_THROWS_AS ( s > > j , json : : parse_error const & ) ;
CHECK ( s . eof ( ) ) ;
}
}
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# endif
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/////////////////////////////////////////////////////////////////////
// for #1642
/////////////////////////////////////////////////////////////////////
template < typename T > class array { } ;
template < typename T > class object { } ;
template < typename T > class string { } ;
template < typename T > class number_integer { } ;
template < typename T > class number_unsigned { } ;
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template < typename T > class number_float { } ;