295 lines
14 KiB
C++
295 lines
14 KiB
C++
/*
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__ _____ _____ _____
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__| | __| | | | JSON for Modern C++ (test suite)
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| | |__ | | | | | | version 3.9.1
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|_____|_____|_____|_|___| https://github.com/nlohmann/json
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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
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include <string>
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#include <vector>
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#include "doctest_compatibility.h"
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#include <nlohmann/json.hpp>
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using nlohmann::json;
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namespace persons
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{
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#define CREATE_PERSON(ClassName, Visibility) \
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class ClassName { \
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Visibility: \
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std::string name = ""; \
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int age = 0; \
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json metadata = nullptr; \
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public: \
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bool operator==(const ClassName& rhs) const \
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{ \
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return name == rhs.name && age == rhs.age && metadata == rhs.metadata; \
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} \
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ClassName() = default; \
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ClassName(std::string name_, int age_, json metadata_) \
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: name(std::move(name_)) \
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, age(age_) \
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, metadata(std::move(metadata_)) \
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{}
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#define CREATE_PERSON_WITH_ALPHABET(ClassName, Visibility) \
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class ClassName{ \
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public: \
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bool operator==(const ClassName& other){ \
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return a == other.a && \
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b == other.b && \
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c == other.c && \
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d == other.d && \
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e == other.e && \
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f == other.f && \
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g == other.g && \
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h == other.h && \
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i == other.i && \
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j == other.j && \
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k == other.k && \
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l == other.l && \
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m == other.m && \
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n == other.n && \
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o == other.o && \
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p == other.p && \
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q == other.q && \
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r == other.r && \
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s == other.s && \
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t == other.t && \
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u == other.u && \
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v == other.v && \
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w == other.w && \
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x == other.x && \
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y == other.y && \
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z == other.z; \
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} \
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Visibility: \
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int a = 0; \
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int b = 0; \
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int c = 0; \
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int d = 0; \
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int e = 0; \
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int f = 0; \
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int g = 0; \
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int h = 0; \
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int i = 0; \
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int j = 0; \
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int k = 0; \
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int l = 0; \
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int m = 0; \
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int n = 0; \
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int o = 0; \
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int p = 0; \
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int q = 0; \
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int r = 0; \
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int s = 0; \
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int t = 0; \
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int u = 0; \
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int v = 0; \
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int w = 0; \
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int x = 0; \
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int y = 0; \
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int z = 0;
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CREATE_PERSON(person_with_private_data, private)
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NLOHMANN_DEFINE_TYPE_INTRUSIVE(person_with_private_data, age, name, metadata)
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};
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CREATE_PERSON(person_without_private_data_1, public)
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NLOHMANN_DEFINE_TYPE_INTRUSIVE(person_without_private_data_1, age, name, metadata)
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};
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CREATE_PERSON(person_without_private_data_2, public)
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};
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NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(person_without_private_data_2, age, name, metadata)
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CREATE_PERSON(person_t_with_private_data, private)
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NLOHMANN_DEFINE_TYPE_INTRUSIVE_T(person_t_with_private_data, age, name, metadata)
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};
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CREATE_PERSON(person_t_without_private_data_1, public)
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NLOHMANN_DEFINE_TYPE_INTRUSIVE_T(person_t_without_private_data_1, age, name, metadata)
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};
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CREATE_PERSON(person_t_without_private_data_2, public)
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};
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NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_T(person_t_without_private_data_2, age, name, metadata)
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CREATE_PERSON_WITH_ALPHABET(person_with_private_alphabet, private)
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NLOHMANN_DEFINE_TYPE_INTRUSIVE(person_with_private_alphabet, a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z)
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};
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CREATE_PERSON_WITH_ALPHABET(person_with_public_alphabet, public)
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};
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NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(person_with_public_alphabet, a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z)
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CREATE_PERSON_WITH_ALPHABET(person_t_with_private_alphabet, private)
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NLOHMANN_DEFINE_TYPE_INTRUSIVE_T(person_t_with_private_alphabet, a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z)
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};
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CREATE_PERSON_WITH_ALPHABET(person_t_with_public_alphabet, public)
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};
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NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_T(person_t_with_public_alphabet, a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z)
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} // namespace persons
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// Trick described in https://github.com/onqtam/doctest/blob/master/doc/markdown/parameterized-tests.md
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// in note "if you need parameterization on more than 1 type"
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template <typename TestedType_, typename BasicJsonType_ = nlohmann::json>
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struct TestTypePair
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{
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using TestedType = TestedType_;
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using BasicJsonType = BasicJsonType_;
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};
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#define PERSON_PAIRS \
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TestTypePair<persons::person_with_private_data>, \
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TestTypePair<persons::person_without_private_data_1>, \
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TestTypePair<persons::person_without_private_data_2>, \
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TestTypePair<persons::person_t_with_private_data, nlohmann::json>, \
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TestTypePair<persons::person_t_without_private_data_1, nlohmann::json>, \
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TestTypePair<persons::person_t_without_private_data_2, nlohmann::json>, \
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TestTypePair<persons::person_t_with_private_data, nlohmann::ordered_json>, \
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TestTypePair<persons::person_t_without_private_data_1, nlohmann::ordered_json>, \
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TestTypePair<persons::person_t_without_private_data_2, nlohmann::ordered_json>
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TEST_CASE_TEMPLATE("Serialization/deserialization via NLOHMANN_DEFINE_TYPE_INTRUSIVE T", PairT, PERSON_PAIRS)
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{
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using T = typename PairT::TestedType;
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using json = typename PairT::BasicJsonType;
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SECTION("person")
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{
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// serialization
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T p1("Erik", 1, {{"haircuts", 2}});
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if ( std::is_same<json, nlohmann::ordered_json>::value )
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{
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CHECK(json(p1).dump() == "{\"age\":1,\"name\":\"Erik\",\"metadata\":{\"haircuts\":2}}");
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}
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else
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{
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CHECK(json(p1).dump() == "{\"age\":1,\"metadata\":{\"haircuts\":2},\"name\":\"Erik\"}");
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}
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// deserialization
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auto p2 = json(p1).template get<T>();
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CHECK(p2 == p1);
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// roundtrip
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CHECK(T(json(p1)) == p1);
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CHECK(json(T(json(p1))) == json(p1));
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// check exception in case of missing field
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json j = json(p1);
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j.erase("age");
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CHECK_THROWS_WITH_AS(j.template get<T>(), "[json.exception.out_of_range.403] key 'age' not found", typename json::out_of_range);
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}
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}
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#define ALPHABET_PAIRS \
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TestTypePair<persons::person_with_private_alphabet>, \
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TestTypePair<persons::person_with_public_alphabet>, \
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TestTypePair<persons::person_t_with_private_alphabet, nlohmann::json>, \
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TestTypePair<persons::person_t_with_public_alphabet, nlohmann::json>, \
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TestTypePair<persons::person_t_with_private_alphabet, nlohmann::ordered_json>, \
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TestTypePair<persons::person_t_with_public_alphabet, nlohmann::ordered_json>
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TEST_CASE_TEMPLATE("Serialization/deserialization of classes with 26 public/private member variables via NLOHMANN_DEFINE_TYPE_INTRUSIVE and NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE", PairT, ALPHABET_PAIRS)
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{
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using T = typename PairT::TestedType;
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using json = typename PairT::BasicJsonType;
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SECTION("alphabet")
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{
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{
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T obj1;
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json j = obj1; //via json object
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T obj2;
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j.get_to(obj2);
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bool ok = (obj1 == obj2);
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CHECK(ok);
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}
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{
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T obj1;
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json j1 = obj1; //via json string
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std::string s = j1.dump();
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json j2 = json::parse(s);
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T obj2;
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j2.get_to(obj2);
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bool ok = (obj1 == obj2);
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CHECK(ok);
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}
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{
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T obj1;
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json j1 = obj1; //via msgpack
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std::vector<uint8_t> buf = json::to_msgpack(j1);
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json j2 = json::from_msgpack(buf);
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T obj2;
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j2.get_to(obj2);
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bool ok = (obj1 == obj2);
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CHECK(ok);
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}
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{
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T obj1;
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json j1 = obj1; //via bson
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std::vector<uint8_t> buf = json::to_bson(j1);
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json j2 = json::from_bson(buf);
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T obj2;
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j2.get_to(obj2);
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bool ok = (obj1 == obj2);
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CHECK(ok);
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}
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{
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T obj1;
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json j1 = obj1; //via cbor
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std::vector<uint8_t> buf = json::to_cbor(j1);
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json j2 = json::from_cbor(buf);
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T obj2;
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j2.get_to(obj2);
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bool ok = (obj1 == obj2);
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CHECK(ok);
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}
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{
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T obj1;
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json j1 = obj1; //via ubjson
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std::vector<uint8_t> buf = json::to_ubjson(j1);
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json j2 = json::from_ubjson(buf);
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T obj2;
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j2.get_to(obj2);
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bool ok = (obj1 == obj2);
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CHECK(ok);
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}
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}
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}
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