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1771 lines (1538 loc) · 60.5 KB
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/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 3.9.1
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.
SPDX-License-Identifier: MIT
Copyright (c) 2013-2019 Niels Lohmann <http://nlohmann.me>.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include "doctest_compatibility.h"
#define JSON_TESTS_PRIVATE
#include <nlohmann/json.hpp>
using nlohmann::json;
#include <deque>
#include <forward_list>
#include <list>
#include <set>
#include <unordered_map>
#include <unordered_set>
#include <valarray>
#if (defined(__cplusplus) && __cplusplus >= 201703L) || (defined(_HAS_CXX17) && _HAS_CXX17 == 1) // fix for issue #464
#define JSON_HAS_CPP_17
#define JSON_HAS_CPP_14
#elif (defined(__cplusplus) && __cplusplus >= 201402L) || (defined(_HAS_CXX14) && _HAS_CXX14 == 1)
#define JSON_HAS_CPP_14
#endif
TEST_CASE("value conversion")
{
SECTION("get an object (explicit)")
{
json::object_t o_reference = {{"object", json::object()},
{"array", {1, 2, 3, 4}},
{"number", 42},
{"boolean", false},
{"null", nullptr},
{"string", "Hello world"}
};
json j(o_reference);
SECTION("json::object_t")
{
json::object_t o = j.get<json::object_t>();
CHECK(json(o) == j);
}
SECTION("std::map<json::string_t, json>")
{
std::map<json::string_t, json> o =
j.get<std::map<json::string_t, json>>();
CHECK(json(o) == j);
}
SECTION("std::multimap<json::string_t, json>")
{
std::multimap<json::string_t, json> o =
j.get<std::multimap<json::string_t, json>>();
CHECK(json(o) == j);
}
SECTION("std::unordered_map<json::string_t, json>")
{
std::unordered_map<json::string_t, json> o =
j.get<std::unordered_map<json::string_t, json>>();
CHECK(json(o) == j);
}
SECTION("std::unordered_multimap<json::string_t, json>")
{
std::unordered_multimap<json::string_t, json> o =
j.get<std::unordered_multimap<json::string_t, json>>();
CHECK(json(o) == j);
}
SECTION("exception in case of a non-object type")
{
CHECK_THROWS_AS(json(json::value_t::null).get<json::object_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::array).get<json::object_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::string).get<json::object_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::boolean).get<json::object_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::number_integer).get<json::object_t>(),
json::type_error&);
CHECK_THROWS_AS(
json(json::value_t::number_unsigned).get<json::object_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::number_float).get<json::object_t>(),
json::type_error&);
CHECK_THROWS_WITH(
json(json::value_t::null).get<json::object_t>(),
"[json.exception.type_error.302] type must be object, but is null");
CHECK_THROWS_WITH(
json(json::value_t::array).get<json::object_t>(),
"[json.exception.type_error.302] type must be object, but is array");
CHECK_THROWS_WITH(
json(json::value_t::string).get<json::object_t>(),
"[json.exception.type_error.302] type must be object, but is string");
CHECK_THROWS_WITH(json(json::value_t::boolean).get<json::object_t>(),
"[json.exception.type_error.302] type must be object, "
"but is boolean");
CHECK_THROWS_WITH(
json(json::value_t::number_integer).get<json::object_t>(),
"[json.exception.type_error.302] type must be object, but is number");
CHECK_THROWS_WITH(
json(json::value_t::number_unsigned).get<json::object_t>(),
"[json.exception.type_error.302] type must be object, but is number");
CHECK_THROWS_WITH(
json(json::value_t::number_float).get<json::object_t>(),
"[json.exception.type_error.302] type must be object, but is number");
}
}
SECTION("get an object (explicit, get_to)")
{
json::object_t o_reference = {{"object", json::object()},
{"array", {1, 2, 3, 4}},
{"number", 42},
{"boolean", false},
{"null", nullptr},
{"string", "Hello world"}
};
json j(o_reference);
SECTION("json::object_t")
{
json::object_t o = {{"previous", "value"}};
j.get_to(o);
CHECK(json(o) == j);
}
SECTION("std::map<json::string_t, json>")
{
std::map<json::string_t, json> o{{"previous", "value"}};
j.get_to(o);
CHECK(json(o) == j);
}
SECTION("std::multimap<json::string_t, json>")
{
std::multimap<json::string_t, json> o{{"previous", "value"}};
j.get_to(o);
CHECK(json(o) == j);
}
SECTION("std::unordered_map<json::string_t, json>")
{
std::unordered_map<json::string_t, json> o{{"previous", "value"}};
j.get_to(o);
CHECK(json(o) == j);
}
SECTION("std::unordered_multimap<json::string_t, json>")
{
std::unordered_multimap<json::string_t, json> o{{"previous", "value"}};
j.get_to(o);
CHECK(json(o) == j);
}
}
#if JSON_USE_IMPLICIT_CONVERSIONS
SECTION("get an object (implicit)")
{
json::object_t o_reference = {{"object", json::object()},
{"array", {1, 2, 3, 4}},
{"number", 42},
{"boolean", false},
{"null", nullptr},
{"string", "Hello world"}
};
json j(o_reference);
SECTION("json::object_t")
{
json::object_t o = j;
CHECK(json(o) == j);
}
SECTION("std::map<json::string_t, json>")
{
std::map<json::string_t, json> o = j;
CHECK(json(o) == j);
}
SECTION("std::multimap<json::string_t, json>")
{
std::multimap<json::string_t, json> o = j;
CHECK(json(o) == j);
}
SECTION("std::unordered_map<json::string_t, json>")
{
std::unordered_map<json::string_t, json> o = j;
CHECK(json(o) == j);
}
SECTION("std::unordered_multimap<json::string_t, json>")
{
std::unordered_multimap<json::string_t, json> o = j;
CHECK(json(o) == j);
}
}
#endif
SECTION("get an array (explicit)")
{
json::array_t a_reference{json(1), json(1u), json(2.2),
json(false), json("string"), json()};
json j(a_reference);
SECTION("json::array_t")
{
json::array_t a = j.get<json::array_t>();
CHECK(json(a) == j);
}
SECTION("std::list<json>")
{
std::list<json> a = j.get<std::list<json>>();
CHECK(json(a) == j);
}
SECTION("std::forward_list<json>")
{
std::forward_list<json> a = j.get<std::forward_list<json>>();
CHECK(json(a) == j);
CHECK_THROWS_AS(json(json::value_t::null).get<std::forward_list<json>>(),
json::type_error&);
CHECK_THROWS_WITH(
json(json::value_t::null).get<std::forward_list<json>>(),
"[json.exception.type_error.302] type must be array, but is null");
}
SECTION("std::vector<json>")
{
std::vector<json> a = j.get<std::vector<json>>();
CHECK(json(a) == j);
CHECK_THROWS_AS(json(json::value_t::null).get<std::vector<json>>(),
json::type_error&);
CHECK_THROWS_WITH(
json(json::value_t::null).get<std::vector<json>>(),
"[json.exception.type_error.302] type must be array, but is null");
#if !defined(JSON_NOEXCEPTION)
SECTION("reserve is called on containers that supports it")
{
// make sure all values are properly copied
json j2({1, 2, 3, 4, 5, 6, 7, 8, 9, 10});
auto v2 = j2.get<std::vector<int>>();
CHECK(v2.size() == 10);
}
#endif
}
SECTION("built-in arrays")
{
const char str[] = "a string";
const int nbs[] = {0, 1, 2};
json j2 = nbs;
json j3 = str;
auto v = j2.get<std::vector<int>>();
auto s = j3.get<std::string>();
CHECK(std::equal(v.begin(), v.end(), std::begin(nbs)));
CHECK(s == str);
}
SECTION("std::deque<json>")
{
std::deque<json> a = j.get<std::deque<json>>();
CHECK(json(a) == j);
}
SECTION("exception in case of a non-array type")
{
CHECK_THROWS_AS(json(json::value_t::null).get<json::array_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::object).get<json::array_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::string).get<json::array_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::boolean).get<json::array_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::number_integer).get<json::array_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::number_unsigned).get<json::array_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::number_float).get<json::array_t>(),
json::type_error&);
CHECK_THROWS_WITH(
json(json::value_t::object).get<std::vector<int>>(),
"[json.exception.type_error.302] type must be array, but is object");
CHECK_THROWS_WITH(
json(json::value_t::null).get<json::array_t>(),
"[json.exception.type_error.302] type must be array, but is null");
CHECK_THROWS_WITH(
json(json::value_t::object).get<json::array_t>(),
"[json.exception.type_error.302] type must be array, but is object");
CHECK_THROWS_WITH(
json(json::value_t::string).get<json::array_t>(),
"[json.exception.type_error.302] type must be array, but is string");
CHECK_THROWS_WITH(
json(json::value_t::boolean).get<json::array_t>(),
"[json.exception.type_error.302] type must be array, but is boolean");
CHECK_THROWS_WITH(
json(json::value_t::number_integer).get<json::array_t>(),
"[json.exception.type_error.302] type must be array, but is number");
CHECK_THROWS_WITH(
json(json::value_t::number_unsigned).get<json::array_t>(),
"[json.exception.type_error.302] type must be array, but is number");
CHECK_THROWS_WITH(
json(json::value_t::number_float).get<json::array_t>(),
"[json.exception.type_error.302] type must be array, but is number");
}
}
SECTION("get an array (explicit, get_to)")
{
json::array_t a_reference{json(1), json(1u), json(2.2),
json(false), json("string"), json()};
json j(a_reference);
SECTION("json::array_t")
{
json::array_t a{"previous", "value"};
j.get_to(a);
CHECK(json(a) == j);
}
SECTION("std::valarray<json>")
{
std::valarray<json> a{"previous", "value"};
j.get_to(a);
CHECK(json(a) == j);
}
SECTION("std::list<json>")
{
std::list<json> a{"previous", "value"};
j.get_to(a);
CHECK(json(a) == j);
}
SECTION("std::forward_list<json>")
{
std::forward_list<json> a{"previous", "value"};
j.get_to(a);
CHECK(json(a) == j);
}
SECTION("std::vector<json>")
{
std::vector<json> a{"previous", "value"};
j.get_to(a);
CHECK(json(a) == j);
}
SECTION("built-in arrays")
{
const int nbs[] = {0, 1, 2};
int nbs2[] = {0, 0, 0};
json j2 = nbs;
j2.get_to(nbs2);
CHECK(std::equal(std::begin(nbs), std::end(nbs), std::begin(nbs2)));
}
SECTION("std::deque<json>")
{
std::deque<json> a{"previous", "value"};
j.get_to(a);
CHECK(json(a) == j);
}
}
#if JSON_USE_IMPLICIT_CONVERSIONS
SECTION("get an array (implicit)")
{
json::array_t a_reference{json(1), json(1u), json(2.2),
json(false), json("string"), json()};
json j(a_reference);
SECTION("json::array_t")
{
json::array_t a = j;
CHECK(json(a) == j);
}
SECTION("std::list<json>")
{
std::list<json> a = j;
CHECK(json(a) == j);
}
SECTION("std::forward_list<json>")
{
std::forward_list<json> a = j;
CHECK(json(a) == j);
}
SECTION("std::vector<json>")
{
std::vector<json> a = j;
CHECK(json(a) == j);
}
SECTION("std::deque<json>")
{
std::deque<json> a = j;
CHECK(json(a) == j);
}
}
#endif
SECTION("get a string (explicit)")
{
json::string_t s_reference{"Hello world"};
json j(s_reference);
SECTION("string_t")
{
json::string_t s = j.get<json::string_t>();
CHECK(json(s) == j);
}
SECTION("std::string")
{
std::string s = j.get<std::string>();
CHECK(json(s) == j);
}
#if defined(JSON_HAS_CPP_17)
SECTION("std::string_view")
{
std::string_view s = j.get<std::string_view>();
CHECK(json(s) == j);
}
#endif
SECTION("exception in case of a non-string type")
{
CHECK_THROWS_AS(json(json::value_t::null).get<json::string_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::object).get<json::string_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::array).get<json::string_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::boolean).get<json::string_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::number_integer).get<json::string_t>(),
json::type_error&);
CHECK_THROWS_AS(
json(json::value_t::number_unsigned).get<json::string_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::number_float).get<json::string_t>(),
json::type_error&);
CHECK_THROWS_WITH(
json(json::value_t::null).get<json::string_t>(),
"[json.exception.type_error.302] type must be string, but is null");
CHECK_THROWS_WITH(
json(json::value_t::object).get<json::string_t>(),
"[json.exception.type_error.302] type must be string, but is object");
CHECK_THROWS_WITH(
json(json::value_t::array).get<json::string_t>(),
"[json.exception.type_error.302] type must be string, but is array");
CHECK_THROWS_WITH(json(json::value_t::boolean).get<json::string_t>(),
"[json.exception.type_error.302] type must be string, "
"but is boolean");
CHECK_THROWS_WITH(
json(json::value_t::number_integer).get<json::string_t>(),
"[json.exception.type_error.302] type must be string, but is number");
CHECK_THROWS_WITH(
json(json::value_t::number_unsigned).get<json::string_t>(),
"[json.exception.type_error.302] type must be string, but is number");
CHECK_THROWS_WITH(
json(json::value_t::number_float).get<json::string_t>(),
"[json.exception.type_error.302] type must be string, but is number");
}
#if defined(JSON_HAS_CPP_17)
SECTION("exception in case of a non-string type using string_view")
{
CHECK_THROWS_AS(json(json::value_t::null).get<std::string_view>(), json::type_error&);
CHECK_THROWS_AS(json(json::value_t::object).get<std::string_view>(), json::type_error&);
CHECK_THROWS_AS(json(json::value_t::array).get<std::string_view>(), json::type_error&);
CHECK_THROWS_AS(json(json::value_t::boolean).get<std::string_view>(), json::type_error&);
CHECK_THROWS_AS(json(json::value_t::number_integer).get<std::string_view>(), json::type_error&);
CHECK_THROWS_AS(json(json::value_t::number_unsigned).get<std::string_view>(), json::type_error&);
CHECK_THROWS_AS(json(json::value_t::number_float).get<std::string_view>(), json::type_error&);
CHECK_THROWS_WITH(json(json::value_t::null).get<std::string_view>(),
"[json.exception.type_error.302] type must be string, but is null");
CHECK_THROWS_WITH(json(json::value_t::object).get<std::string_view>(),
"[json.exception.type_error.302] type must be string, but is object");
CHECK_THROWS_WITH(json(json::value_t::array).get<std::string_view>(),
"[json.exception.type_error.302] type must be string, but is array");
CHECK_THROWS_WITH(json(json::value_t::boolean).get<std::string_view>(),
"[json.exception.type_error.302] type must be string, but is boolean");
CHECK_THROWS_WITH(json(json::value_t::number_integer).get<std::string_view>(),
"[json.exception.type_error.302] type must be string, but is number");
CHECK_THROWS_WITH(json(json::value_t::number_unsigned).get<std::string_view>(),
"[json.exception.type_error.302] type must be string, but is number");
CHECK_THROWS_WITH(json(json::value_t::number_float).get<std::string_view>(),
"[json.exception.type_error.302] type must be string, but is number");
}
#endif
}
SECTION("get a string (explicit, get_to)")
{
json::string_t s_reference{"Hello world"};
json j(s_reference);
SECTION("string_t")
{
json::string_t s = "previous value";
j.get_to(s);
CHECK(json(s) == j);
}
SECTION("std::string")
{
std::string s = "previous value";
j.get_to(s);
CHECK(json(s) == j);
}
#if defined(JSON_HAS_CPP_17)
SECTION("std::string_view")
{
std::string s = "previous value";
std::string_view sv = s;
j.get_to(sv);
CHECK(json(sv) == j);
}
#endif
}
SECTION("get null (explicit)")
{
std::nullptr_t n = nullptr;
json j(n);
auto n2 = j.get<std::nullptr_t>();
CHECK(n2 == n);
CHECK_THROWS_AS(json(json::value_t::string).get<std::nullptr_t>(), json::type_error&);
CHECK_THROWS_AS(json(json::value_t::object).get<std::nullptr_t>(), json::type_error&);
CHECK_THROWS_AS(json(json::value_t::array).get<std::nullptr_t>(), json::type_error&);
CHECK_THROWS_AS(json(json::value_t::boolean).get<std::nullptr_t>(), json::type_error&);
CHECK_THROWS_AS(json(json::value_t::number_integer).get<std::nullptr_t>(), json::type_error&);
CHECK_THROWS_AS(json(json::value_t::number_unsigned).get<std::nullptr_t>(), json::type_error&);
CHECK_THROWS_AS(json(json::value_t::number_float).get<std::nullptr_t>(), json::type_error&);
CHECK_THROWS_WITH(json(json::value_t::string).get<std::nullptr_t>(),
"[json.exception.type_error.302] type must be null, but is string");
CHECK_THROWS_WITH(json(json::value_t::object).get<std::nullptr_t>(),
"[json.exception.type_error.302] type must be null, but is object");
CHECK_THROWS_WITH(json(json::value_t::array).get<std::nullptr_t>(),
"[json.exception.type_error.302] type must be null, but is array");
CHECK_THROWS_WITH(json(json::value_t::boolean).get<std::nullptr_t>(),
"[json.exception.type_error.302] type must be null, but is boolean");
CHECK_THROWS_WITH(json(json::value_t::number_integer).get<std::nullptr_t>(),
"[json.exception.type_error.302] type must be null, but is number");
CHECK_THROWS_WITH(json(json::value_t::number_unsigned).get<std::nullptr_t>(),
"[json.exception.type_error.302] type must be null, but is number");
CHECK_THROWS_WITH(json(json::value_t::number_float).get<std::nullptr_t>(),
"[json.exception.type_error.302] type must be null, but is number");
}
#if JSON_USE_IMPLICIT_CONVERSIONS
SECTION("get a string (implicit)")
{
json::string_t s_reference{"Hello world"};
json j(s_reference);
SECTION("string_t")
{
json::string_t s = j;
CHECK(json(s) == j);
}
#if defined(JSON_HAS_CPP_17)
SECTION("std::string_view")
{
std::string_view s = j.get<std::string_view>();
CHECK(json(s) == j);
}
#endif
SECTION("std::string")
{
std::string s = j;
CHECK(json(s) == j);
}
}
#endif
SECTION("get a boolean (explicit)")
{
json::boolean_t b_reference{true};
json j(b_reference);
SECTION("boolean_t")
{
json::boolean_t b = j.get<json::boolean_t>();
CHECK(json(b) == j);
}
SECTION("uint8_t")
{
auto n = j.get<uint8_t>();
CHECK(n == 1);
}
SECTION("bool")
{
bool b = j.get<bool>();
CHECK(json(b) == j);
}
SECTION("exception in case of a non-number type")
{
CHECK_THROWS_AS(json(json::value_t::null).get<json::boolean_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::object).get<json::boolean_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::array).get<json::boolean_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::string).get<json::boolean_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::string).get<uint8_t>(),
json::type_error&);
CHECK_THROWS_AS(
json(json::value_t::number_integer).get<json::boolean_t>(),
json::type_error&);
CHECK_THROWS_AS(
json(json::value_t::number_unsigned).get<json::boolean_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::number_float).get<json::boolean_t>(),
json::type_error&);
CHECK_THROWS_WITH(
json(json::value_t::null).get<json::boolean_t>(),
"[json.exception.type_error.302] type must be boolean, but is null");
CHECK_THROWS_WITH(json(json::value_t::object).get<json::boolean_t>(),
"[json.exception.type_error.302] type must be boolean, "
"but is object");
CHECK_THROWS_WITH(
json(json::value_t::array).get<json::boolean_t>(),
"[json.exception.type_error.302] type must be boolean, but is array");
CHECK_THROWS_WITH(json(json::value_t::string).get<json::boolean_t>(),
"[json.exception.type_error.302] type must be boolean, "
"but is string");
CHECK_THROWS_WITH(
json(json::value_t::number_integer).get<json::boolean_t>(),
"[json.exception.type_error.302] type must be boolean, but is "
"number");
CHECK_THROWS_WITH(
json(json::value_t::number_unsigned).get<json::boolean_t>(),
"[json.exception.type_error.302] type must be boolean, but is "
"number");
CHECK_THROWS_WITH(
json(json::value_t::number_float).get<json::boolean_t>(),
"[json.exception.type_error.302] type must be boolean, but is "
"number");
}
}
#if JSON_USE_IMPLICIT_CONVERSIONS
SECTION("get a boolean (implicit)")
{
json::boolean_t b_reference{true};
json j(b_reference);
SECTION("boolean_t")
{
json::boolean_t b = j;
CHECK(json(b) == j);
}
SECTION("bool")
{
bool b = j;
CHECK(json(b) == j);
}
}
#endif
SECTION("get an integer number (explicit)")
{
json::number_integer_t n_reference{42};
json j(n_reference);
json::number_unsigned_t n_unsigned_reference{42u};
json j_unsigned(n_unsigned_reference);
SECTION("number_integer_t")
{
json::number_integer_t n = j.get<json::number_integer_t>();
CHECK(json(n) == j);
}
SECTION("number_unsigned_t")
{
json::number_unsigned_t n = j_unsigned.get<json::number_unsigned_t>();
CHECK(json(n) == j_unsigned);
}
SECTION("short")
{
short n = j.get<short>();
CHECK(json(n) == j);
}
SECTION("unsigned short")
{
unsigned short n = j.get<unsigned short>();
CHECK(json(n) == j);
}
SECTION("int")
{
int n = j.get<int>();
CHECK(json(n) == j);
}
SECTION("unsigned int")
{
unsigned int n = j.get<unsigned int>();
CHECK(json(n) == j);
}
SECTION("long")
{
long n = j.get<long>();
CHECK(json(n) == j);
}
SECTION("unsigned long")
{
unsigned long n = j.get<unsigned long>();
CHECK(json(n) == j);
}
SECTION("long long")
{
long long n = j.get<long long>();
CHECK(json(n) == j);
}
SECTION("unsigned long long")
{
unsigned long long n = j.get<unsigned long long>();
CHECK(json(n) == j);
}
SECTION("int8_t")
{
int8_t n = j.get<int8_t>();
CHECK(json(n) == j);
}
SECTION("int16_t")
{
int16_t n = j.get<int16_t>();
CHECK(json(n) == j);
}
SECTION("int32_t")
{
int32_t n = j.get<int32_t>();
CHECK(json(n) == j);
}
SECTION("int64_t")
{
int64_t n = j.get<int64_t>();
CHECK(json(n) == j);
}
SECTION("int8_fast_t")
{
int_fast8_t n = j.get<int_fast8_t>();
CHECK(json(n) == j);
}
SECTION("int16_fast_t")
{
int_fast16_t n = j.get<int_fast16_t>();
CHECK(json(n) == j);
}
SECTION("int32_fast_t")
{
int_fast32_t n = j.get<int_fast32_t>();
CHECK(json(n) == j);
}
SECTION("int64_fast_t")
{
int_fast64_t n = j.get<int_fast64_t>();
CHECK(json(n) == j);
}
SECTION("int8_least_t")
{
int_least8_t n = j.get<int_least8_t>();
CHECK(json(n) == j);
}
SECTION("int16_least_t")
{
int_least16_t n = j.get<int_least16_t>();
CHECK(json(n) == j);
}
SECTION("int32_least_t")
{
int_least32_t n = j.get<int_least32_t>();
CHECK(json(n) == j);
}
SECTION("int64_least_t")
{
int_least64_t n = j.get<int_least64_t>();
CHECK(json(n) == j);
}
SECTION("uint8_t")
{
uint8_t n = j.get<uint8_t>();
CHECK(json(n) == j);
}
SECTION("uint16_t")
{
uint16_t n = j.get<uint16_t>();
CHECK(json(n) == j);
}
SECTION("uint32_t")
{
uint32_t n = j.get<uint32_t>();
CHECK(json(n) == j);
}
SECTION("uint64_t")
{
uint64_t n = j.get<uint64_t>();
CHECK(json(n) == j);
}
SECTION("uint8_fast_t")
{
uint_fast8_t n = j.get<uint_fast8_t>();
CHECK(json(n) == j);
}
SECTION("uint16_fast_t")
{
uint_fast16_t n = j.get<uint_fast16_t>();
CHECK(json(n) == j);
}
SECTION("uint32_fast_t")
{
uint_fast32_t n = j.get<uint_fast32_t>();
CHECK(json(n) == j);
}
SECTION("uint64_fast_t")
{
uint_fast64_t n = j.get<uint_fast64_t>();
CHECK(json(n) == j);
}
SECTION("uint8_least_t")
{
uint_least8_t n = j.get<uint_least8_t>();
CHECK(json(n) == j);
}
SECTION("uint16_least_t")
{
uint_least16_t n = j.get<uint_least16_t>();
CHECK(json(n) == j);
}
SECTION("uint32_least_t")
{
uint_least32_t n = j.get<uint_least32_t>();
CHECK(json(n) == j);
}
SECTION("uint64_least_t")
{
uint_least64_t n = j.get<uint_least64_t>();
CHECK(json(n) == j);
}
SECTION("exception in case of a non-number type")
{
CHECK_THROWS_AS(json(json::value_t::null).get<json::number_integer_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::object).get<json::number_integer_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::array).get<json::number_integer_t>(),
json::type_error&);
CHECK_THROWS_AS(json(json::value_t::string).get<json::number_integer_t>(),
json::type_error&);
CHECK_THROWS_AS(
json(json::value_t::boolean).get<json::number_integer_t>(),
json::type_error&);
CHECK_THROWS_WITH(
json(json::value_t::null).get<json::number_integer_t>(),
"[json.exception.type_error.302] type must be number, but is null");
CHECK_THROWS_WITH(
json(json::value_t::object).get<json::number_integer_t>(),
"[json.exception.type_error.302] type must be number, but is object");
CHECK_THROWS_WITH(
json(json::value_t::array).get<json::number_integer_t>(),
"[json.exception.type_error.302] type must be number, but is array");
CHECK_THROWS_WITH(
json(json::value_t::string).get<json::number_integer_t>(),
"[json.exception.type_error.302] type must be number, but is string");
CHECK_THROWS_WITH(
json(json::value_t::boolean).get<json::number_integer_t>(),
"[json.exception.type_error.302] type must be number, but is "
"boolean");
CHECK_NOTHROW(
json(json::value_t::number_float).get<json::number_integer_t>());
CHECK_NOTHROW(
json(json::value_t::number_float).get<json::number_unsigned_t>());
}
}
#if JSON_USE_IMPLICIT_CONVERSIONS
SECTION("get an integer number (implicit)")
{
json::number_integer_t n_reference{42};
json j(n_reference);
json::number_unsigned_t n_unsigned_reference{42u};
json j_unsigned(n_unsigned_reference);
SECTION("number_integer_t")
{
json::number_integer_t n = j.get<json::number_integer_t>();
CHECK(json(n) == j);
}
SECTION("number_unsigned_t")
{
json::number_unsigned_t n = j_unsigned.get<json::number_unsigned_t>();
CHECK(json(n) == j_unsigned);
}
SECTION("short")
{
short n = j;
CHECK(json(n) == j);
}
SECTION("unsigned short")
{
unsigned short n = j_unsigned;
CHECK(json(n) == j_unsigned);
}