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🔊 add test for type traits

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Niels Lohmann 2020-07-13 12:44:34 +02:00
parent bffa18b46e
commit 23496a3abf
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4 changed files with 19 additions and 8 deletions
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5
include/nlohmann/detail/input/lexer.hpp
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@ -13,6 +13,7 @@
#include <nlohmann/detail/input/input_adapters.hpp>
#include <nlohmann/detail/input/position_t.hpp>
#include <nlohmann/detail/macro_scope.hpp>
#include <nlohmann/detail/meta/type_traits.hpp>
namespace nlohmann
{
@ -918,10 +919,6 @@ class lexer : public lexer_base<BasicJsonType>
f = std::strtold(str, endptr);
}
template<typename NumberType>
struct is_64_bit : std::integral_constant < bool, (sizeof(NumberType) <= 8) >
{};
JSON_HEDLEY_NON_NULL(2)
unsigned long long strtoull(const char* str, char** str_end, std::true_type)
{

4
include/nlohmann/detail/meta/type_traits.hpp
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@ -327,6 +327,10 @@ template<typename BasicJsonType, typename ConstructibleArrayType>
struct is_constructible_array_type
: is_constructible_array_type_impl<BasicJsonType, ConstructibleArrayType> {};
template<typename NumberType>
struct is_64_bit : std::integral_constant < bool, (sizeof(NumberType) <= 8) >
{};
template<typename RealIntegerType, typename CompatibleNumberIntegerType,
typename = void>
struct is_compatible_integer_type_impl : std::false_type {};

10
single_include/nlohmann/json.hpp
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@ -3142,6 +3142,10 @@ template<typename BasicJsonType, typename ConstructibleArrayType>
struct is_constructible_array_type
: is_constructible_array_type_impl<BasicJsonType, ConstructibleArrayType> {};
template<typename NumberType>
struct is_64_bit : std::integral_constant < bool, (sizeof(NumberType) <= 8) >
{};
template<typename RealIntegerType, typename CompatibleNumberIntegerType,
typename = void>
struct is_compatible_integer_type_impl : std::false_type {};
@ -8118,6 +8122,8 @@ class binary_reader
// #include <nlohmann/detail/macro_scope.hpp>
// #include <nlohmann/detail/meta/type_traits.hpp>
namespace nlohmann
{
@ -9023,10 +9029,6 @@ class lexer : public lexer_base<BasicJsonType>
f = std::strtold(str, endptr);
}
template<typename NumberType>
struct is_64_bit : std::integral_constant < bool, (sizeof(NumberType) <= 8) >
{};
JSON_HEDLEY_NON_NULL(2)
unsigned long long strtoull(const char* str, char** str_end, std::true_type)
{

8
test/src/unit-alt-number.cpp
View File

@ -101,6 +101,14 @@ TEST_CASE("Alternative number types")
// 128-bit arithmetic does not work with sanitizers
#if defined(__SIZEOF_INT128__) && !defined(__SANITIZE_ADDRESS__)
SECTION("type traits")
{
CHECK(std::is_integral<__int128_t>::value);
CHECK(std::is_integral<__uint128_t>::value);
CHECK(std::numeric_limits<__int128_t>::is_integer);
CHECK(std::numeric_limits<__uint128_t>::is_integer);
}
SECTION("128 bit integers")
{
using json128 = nlohmann::basic_json<std::map, std::vector, std::string, bool, __int128_t, __uint128_t>;