mirror of
https://github.com/nlohmann/json.git
synced 2026-05-30 01:55:24 +00:00
Niels Lohmann
990 lines
33 KiB
C++
990 lines
33 KiB
C++
// __ _____ _____ _____
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// __| | __| | | | JSON for Modern C++ (supporting code)
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// | | |__ | | | | | | version 3.11.3
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// |_____|_____|_____|_|___| https://github.com/nlohmann/json
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//
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// Copyright (c) 2013-2022 Niels Lohmann <http://nlohmann.me>.
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// SPDX-FileCopyrightText: 2013-2023 Niels Lohmann <https://nlohmann.me>
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// SPDX-License-Identifier: MIT
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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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TEST_CASE("modifiers")
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{
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SECTION("clear()")
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{
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SECTION("boolean")
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{
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json j = true;
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json const k = j;
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j.clear();
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CHECK(j == json(json::value_t::boolean));
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CHECK(j == json(k.type()));
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}
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SECTION("string")
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{
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json j = "hello world";
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json const k = j;
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j.clear();
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CHECK(j == json(json::value_t::string));
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CHECK(j == json(k.type()));
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}
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SECTION("array")
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{
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SECTION("empty array")
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{
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json j = json::array();
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json const k = j;
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j.clear();
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CHECK(j.empty());
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CHECK(j == json(json::value_t::array));
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CHECK(j == json(k.type()));
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}
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SECTION("filled array")
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{
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json j = { 1, 2, 3 };
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json const k = j;
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j.clear();
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CHECK(j.empty());
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CHECK(j == json(json::value_t::array));
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CHECK(j == json(k.type()));
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}
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}
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SECTION("object")
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{
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SECTION("empty object")
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{
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json j = json::object();
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json const k = j;
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j.clear();
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CHECK(j.empty());
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CHECK(j == json(json::value_t::object));
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CHECK(j == json(k.type()));
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}
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SECTION("filled object")
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{
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json j = { { "one", 1 }, { "two", 2 }, { "three", 3 } };
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json const k = j;
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j.clear();
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CHECK(j.empty());
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CHECK(j == json(json::value_t::object));
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CHECK(j == json(k.type()));
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}
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}
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SECTION("binary")
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{
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SECTION("empty binary")
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{
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json j = json::binary({});
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json const k = j;
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j.clear();
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CHECK(!j.empty());
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CHECK(j == json(json::value_t::binary));
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CHECK(j == json(k.type()));
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}
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SECTION("filled binary")
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{
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json j = json::binary({ 1, 2, 3, 4, 5 });
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json const k = j;
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j.clear();
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CHECK(!j.empty());
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CHECK(j == json(json::value_t::binary));
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CHECK(j == json(k.type()));
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}
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}
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SECTION("number (integer)")
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{
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json j = 23;
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json const k = j;
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j.clear();
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CHECK(j == json(json::value_t::number_integer));
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CHECK(j == json(k.type()));
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}
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SECTION("number (unsigned)")
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{
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json j = 23u;
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json const k = j;
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j.clear();
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CHECK(j == json(json::value_t::number_integer));
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CHECK(j == json(k.type()));
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}
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SECTION("number (float)")
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{
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json j = 23.42;
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json const k = j;
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j.clear();
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CHECK(j == json(json::value_t::number_float));
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CHECK(j == json(k.type()));
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}
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SECTION("null")
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{
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json j = nullptr;
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json const k = j;
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j.clear();
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CHECK(j == json(json::value_t::null));
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CHECK(j == json(k.type()));
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}
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}
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SECTION("push_back()")
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{
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SECTION("to array")
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{
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SECTION("json&&")
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{
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SECTION("null")
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{
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json j;
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j.push_back(1);
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j.push_back(2);
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CHECK(j.type() == json::value_t::array);
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CHECK(j == json({ 1, 2 }));
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}
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SECTION("array")
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{
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json j = { 1, 2, 3 };
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j.push_back("Hello");
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CHECK(j.type() == json::value_t::array);
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CHECK(j == json({ 1, 2, 3, "Hello" }));
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}
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SECTION("other type")
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{
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json j = 1;
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CHECK_THROWS_WITH_AS(j.push_back("Hello"), "[json.exception.type_error.308] cannot use push_back() with number", json::type_error&);
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}
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}
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SECTION("const json&")
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{
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SECTION("null")
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{
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json j;
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json const k(1);
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j.push_back(k);
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j.push_back(k);
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CHECK(j.type() == json::value_t::array);
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CHECK(j == json({ 1, 1 }));
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}
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SECTION("array")
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{
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json j = { 1, 2, 3 };
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json const k("Hello");
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j.push_back(k);
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CHECK(j.type() == json::value_t::array);
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CHECK(j == json({ 1, 2, 3, "Hello" }));
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}
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SECTION("other type")
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{
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json j = 1;
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json const k("Hello");
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CHECK_THROWS_WITH_AS(j.push_back(k), "[json.exception.type_error.308] cannot use push_back() with number", json::type_error&);
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}
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}
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}
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SECTION("to object")
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{
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SECTION("null")
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{
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json j;
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j.push_back(json::object_t::value_type({ "one", 1 }));
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j.push_back(json::object_t::value_type({ "two", 2 }));
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CHECK(j.type() == json::value_t::object);
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CHECK(j.size() == 2);
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CHECK(j["one"] == json(1));
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CHECK(j["two"] == json(2));
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}
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SECTION("object")
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{
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json j(json::value_t::object);
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j.push_back(json::object_t::value_type({ "one", 1 }));
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j.push_back(json::object_t::value_type({ "two", 2 }));
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CHECK(j.size() == 2);
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CHECK(j["one"] == json(1));
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CHECK(j["two"] == json(2));
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}
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SECTION("other type")
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{
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json j = 1;
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json const k("Hello");
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CHECK_THROWS_WITH_AS(j.push_back(json::object_t::value_type({ "one", 1 })),
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"[json.exception.type_error.308] cannot use push_back() with number",
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json::type_error&);
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}
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}
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SECTION("with initializer_list")
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{
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SECTION("null")
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{
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json j;
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j.push_back({ "foo", "bar" });
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CHECK(j == json::array({ { "foo", "bar" } }));
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json k;
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k.push_back({ 1, 2, 3 });
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CHECK(k == json::array({ { 1, 2, 3 } }));
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}
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SECTION("array")
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{
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json j = { 1, 2, 3 };
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j.push_back({ "foo", "bar" });
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CHECK(j == json({ 1, 2, 3, { "foo", "bar" } }));
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json k = { 1, 2, 3 };
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k.push_back({ 1, 2, 3 });
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CHECK(k == json({ 1, 2, 3, { 1, 2, 3 } }));
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}
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SECTION("object")
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{
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json j = { { "key1", 1 } };
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j.push_back({ "key2", "bar" });
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CHECK(j == json({ { "key1", 1 }, { "key2", "bar" } }));
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// invalid values (no string/val pair)
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CHECK_THROWS_WITH_AS(j.push_back({ 1 }), "[json.exception.type_error.308] cannot use push_back() with object", json::type_error&);
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CHECK_THROWS_WITH_AS(j.push_back({ 1, 2 }), "[json.exception.type_error.308] cannot use push_back() with object", json::type_error&);
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CHECK_THROWS_WITH_AS(j.push_back({ 1, 2, 3, 4 }), "[json.exception.type_error.308] cannot use push_back() with object", json::type_error&);
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}
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}
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}
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SECTION("emplace_back()")
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{
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SECTION("to array")
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{
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SECTION("null")
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{
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json j;
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auto& x1 = j.emplace_back(1);
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CHECK(x1 == 1);
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auto& x2 = j.emplace_back(2);
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CHECK(x2 == 2);
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CHECK(j.type() == json::value_t::array);
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CHECK(j == json({ 1, 2 }));
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}
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SECTION("array")
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{
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json j = { 1, 2, 3 };
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auto& x = j.emplace_back("Hello");
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CHECK(x == "Hello");
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CHECK(j.type() == json::value_t::array);
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CHECK(j == json({ 1, 2, 3, "Hello" }));
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}
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SECTION("multiple values")
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{
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json j;
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auto& x = j.emplace_back(3, "foo");
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CHECK(x == json({ "foo", "foo", "foo" }));
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CHECK(j.type() == json::value_t::array);
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CHECK(j == json({ { "foo", "foo", "foo" } }));
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}
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}
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SECTION("other type")
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{
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json j = 1;
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CHECK_THROWS_WITH_AS(j.emplace_back("Hello"), "[json.exception.type_error.311] cannot use emplace_back() with number", json::type_error&);
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}
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}
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SECTION("emplace()")
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{
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SECTION("to object")
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{
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SECTION("null")
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{
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// start with a null value
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json j;
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// add a new key
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auto res1 = j.emplace("foo", "bar");
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CHECK(res1.second == true);
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CHECK(*res1.first == "bar");
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// the null value is changed to an object
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CHECK(j.type() == json::value_t::object);
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// add a new key
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auto res2 = j.emplace("baz", "bam");
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CHECK(res2.second == true);
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CHECK(*res2.first == "bam");
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// we try to insert at given key - no change
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auto res3 = j.emplace("baz", "bad");
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CHECK(res3.second == false);
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CHECK(*res3.first == "bam");
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// the final object
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CHECK(j == json({ { "baz", "bam" }, { "foo", "bar" } }));
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}
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SECTION("object")
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{
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// start with an object
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json j = { { "foo", "bar" } };
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// add a new key
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auto res1 = j.emplace("baz", "bam");
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CHECK(res1.second == true);
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CHECK(*res1.first == "bam");
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// add an existing key
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auto res2 = j.emplace("foo", "bad");
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CHECK(res2.second == false);
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CHECK(*res2.first == "bar");
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// check final object
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CHECK(j == json({ { "baz", "bam" }, { "foo", "bar" } }));
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}
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}
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SECTION("other type")
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{
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json j = 1;
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CHECK_THROWS_WITH_AS(j.emplace("foo", "bar"), "[json.exception.type_error.311] cannot use emplace() with number", json::type_error&);
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}
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}
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SECTION("operator+=")
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{
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SECTION("to array")
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{
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SECTION("json&&")
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{
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SECTION("null")
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{
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json j;
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j += 1;
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j += 2;
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CHECK(j.type() == json::value_t::array);
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CHECK(j == json({ 1, 2 }));
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}
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SECTION("array")
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{
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json j = { 1, 2, 3 };
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j += "Hello";
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CHECK(j.type() == json::value_t::array);
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CHECK(j == json({ 1, 2, 3, "Hello" }));
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}
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SECTION("other type")
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{
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json j = 1;
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CHECK_THROWS_WITH_AS(j += "Hello", "[json.exception.type_error.308] cannot use push_back() with number", json::type_error&);
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}
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}
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SECTION("const json&")
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{
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SECTION("null")
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{
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json j;
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json const k(1);
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j += k;
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j += k;
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CHECK(j.type() == json::value_t::array);
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CHECK(j == json({ 1, 1 }));
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}
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SECTION("array")
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{
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json j = { 1, 2, 3 };
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json const k("Hello");
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j += k;
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CHECK(j.type() == json::value_t::array);
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CHECK(j == json({ 1, 2, 3, "Hello" }));
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}
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SECTION("other type")
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{
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json j = 1;
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json const k("Hello");
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CHECK_THROWS_WITH_AS(j += k, "[json.exception.type_error.308] cannot use push_back() with number", json::type_error&);
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}
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}
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}
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SECTION("to object")
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{
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SECTION("null")
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{
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json j;
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j += json::object_t::value_type({ "one", 1 });
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j += json::object_t::value_type({ "two", 2 });
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CHECK(j.type() == json::value_t::object);
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CHECK(j.size() == 2);
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CHECK(j["one"] == json(1));
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CHECK(j["two"] == json(2));
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}
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SECTION("object")
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{
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json j(json::value_t::object);
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j += json::object_t::value_type({ "one", 1 });
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j += json::object_t::value_type({ "two", 2 });
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CHECK(j.size() == 2);
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CHECK(j["one"] == json(1));
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CHECK(j["two"] == json(2));
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}
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SECTION("other type")
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{
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json j = 1;
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json const k("Hello");
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CHECK_THROWS_WITH_AS(j += json::object_t::value_type({ "one", 1 }),
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"[json.exception.type_error.308] cannot use push_back() with number",
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json::type_error&);
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}
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}
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SECTION("with initializer_list")
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{
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SECTION("null")
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{
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json j;
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j += { "foo", "bar" };
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CHECK(j == json::array({ { "foo", "bar" } }));
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json k;
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k += { 1, 2, 3 };
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CHECK(k == json::array({ { 1, 2, 3 } }));
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}
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SECTION("array")
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{
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json j = { 1, 2, 3 };
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j += { "foo", "bar" };
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CHECK(j == json({ 1, 2, 3, { "foo", "bar" } }));
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json k = { 1, 2, 3 };
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k += { 1, 2, 3 };
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CHECK(k == json({ 1, 2, 3, { 1, 2, 3 } }));
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}
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SECTION("object")
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{
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json j = { { "key1", 1 } };
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j += { "key2", "bar" };
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CHECK(j == json({ { "key1", 1 }, { "key2", "bar" } }));
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json k = { { "key1", 1 } };
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CHECK_THROWS_WITH_AS((k += { 1, 2, 3, 4 }), "[json.exception.type_error.308] cannot use push_back() with object", json::type_error&);
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}
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}
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}
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SECTION("insert()")
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{
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json j_array = { 1, 2, 3, 4 };
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json j_value = 5;
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SECTION("value at position")
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{
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SECTION("insert before begin()")
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{
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auto it = j_array.insert(j_array.begin(), j_value);
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CHECK(j_array.size() == 5);
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CHECK(*it == j_value);
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CHECK(j_array.begin() == it);
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CHECK(j_array == json({ 5, 1, 2, 3, 4 }));
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}
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SECTION("insert in the middle")
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{
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auto it = j_array.insert(j_array.begin() + 2, j_value);
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CHECK(j_array.size() == 5);
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CHECK(*it == j_value);
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CHECK((it - j_array.begin()) == 2);
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CHECK(j_array == json({ 1, 2, 5, 3, 4 }));
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}
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SECTION("insert before end()")
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{
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auto it = j_array.insert(j_array.end(), j_value);
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CHECK(j_array.size() == 5);
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CHECK(*it == j_value);
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CHECK((j_array.end() - it) == 1);
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CHECK(j_array == json({ 1, 2, 3, 4, 5 }));
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}
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}
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SECTION("rvalue at position")
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{
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SECTION("insert before begin()")
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{
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auto it = j_array.insert(j_array.begin(), 5);
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CHECK(j_array.size() == 5);
|
|
CHECK(*it == j_value);
|
|
CHECK(j_array.begin() == it);
|
|
CHECK(j_array == json({ 5, 1, 2, 3, 4 }));
|
|
}
|
|
|
|
SECTION("insert in the middle")
|
|
{
|
|
auto it = j_array.insert(j_array.begin() + 2, 5);
|
|
CHECK(j_array.size() == 5);
|
|
CHECK(*it == j_value);
|
|
CHECK((it - j_array.begin()) == 2);
|
|
CHECK(j_array == json({ 1, 2, 5, 3, 4 }));
|
|
}
|
|
|
|
SECTION("insert before end()")
|
|
{
|
|
auto it = j_array.insert(j_array.end(), 5);
|
|
CHECK(j_array.size() == 5);
|
|
CHECK(*it == j_value);
|
|
CHECK((j_array.end() - it) == 1);
|
|
CHECK(j_array == json({ 1, 2, 3, 4, 5 }));
|
|
}
|
|
}
|
|
|
|
SECTION("copies at position")
|
|
{
|
|
SECTION("insert before begin()")
|
|
{
|
|
auto it = j_array.insert(j_array.begin(), 3, 5);
|
|
CHECK(j_array.size() == 7);
|
|
CHECK(*it == j_value);
|
|
CHECK(j_array.begin() == it);
|
|
CHECK(j_array == json({ 5, 5, 5, 1, 2, 3, 4 }));
|
|
}
|
|
|
|
SECTION("insert in the middle")
|
|
{
|
|
auto it = j_array.insert(j_array.begin() + 2, 3, 5);
|
|
CHECK(j_array.size() == 7);
|
|
CHECK(*it == j_value);
|
|
CHECK((it - j_array.begin()) == 2);
|
|
CHECK(j_array == json({ 1, 2, 5, 5, 5, 3, 4 }));
|
|
}
|
|
|
|
SECTION("insert before end()")
|
|
{
|
|
auto it = j_array.insert(j_array.end(), 3, 5);
|
|
CHECK(j_array.size() == 7);
|
|
CHECK(*it == j_value);
|
|
CHECK((j_array.end() - it) == 3);
|
|
CHECK(j_array == json({ 1, 2, 3, 4, 5, 5, 5 }));
|
|
}
|
|
|
|
SECTION("insert nothing (count = 0)")
|
|
{
|
|
auto it = j_array.insert(j_array.end(), 0, 5);
|
|
CHECK(j_array.size() == 4);
|
|
// the returned iterator points to the first inserted element;
|
|
// there were 4 elements, so it should point to the 5th
|
|
CHECK(it == j_array.begin() + 4);
|
|
CHECK(j_array == json({ 1, 2, 3, 4 }));
|
|
}
|
|
}
|
|
|
|
SECTION("range for array")
|
|
{
|
|
json j_other_array = { "first", "second" };
|
|
|
|
SECTION("proper usage")
|
|
{
|
|
auto it = j_array.insert(j_array.end(), j_other_array.begin(), j_other_array.end());
|
|
CHECK(j_array.size() == 6);
|
|
CHECK(*it == *j_other_array.begin());
|
|
CHECK((j_array.end() - it) == 2);
|
|
CHECK(j_array == json({ 1, 2, 3, 4, "first", "second" }));
|
|
}
|
|
|
|
SECTION("empty range")
|
|
{
|
|
auto it = j_array.insert(j_array.end(), j_other_array.begin(), j_other_array.begin());
|
|
CHECK(j_array.size() == 4);
|
|
CHECK(it == j_array.end());
|
|
CHECK(j_array == json({ 1, 2, 3, 4 }));
|
|
}
|
|
|
|
SECTION("invalid iterators")
|
|
{
|
|
json j_other_array2 = { "first", "second" };
|
|
|
|
CHECK_THROWS_WITH_AS(j_array.insert(j_array.end(), j_array.begin(), j_array.end()),
|
|
"[json.exception.invalid_iterator.211] passed iterators may not belong to container",
|
|
json::invalid_iterator&);
|
|
CHECK_THROWS_WITH_AS(j_array.insert(j_array.end(), j_other_array.begin(), j_other_array2.end()),
|
|
"[json.exception.invalid_iterator.210] iterators do not fit",
|
|
json::invalid_iterator&);
|
|
}
|
|
}
|
|
|
|
SECTION("range for object")
|
|
{
|
|
json j_object1 = { { "one", "eins" }, { "two", "zwei" } };
|
|
json j_object2 = { { "eleven", "elf" }, { "seventeen", "siebzehn" } };
|
|
|
|
SECTION("proper usage")
|
|
{
|
|
j_object1.insert(j_object2.begin(), j_object2.end());
|
|
CHECK(j_object1.size() == 4);
|
|
}
|
|
|
|
SECTION("empty range")
|
|
{
|
|
j_object1.insert(j_object2.begin(), j_object2.begin());
|
|
CHECK(j_object1.size() == 2);
|
|
}
|
|
|
|
SECTION("invalid iterators")
|
|
{
|
|
json const j_other_array2 = { "first", "second" };
|
|
|
|
CHECK_THROWS_WITH_AS(j_array.insert(j_object2.begin(), j_object2.end()),
|
|
"[json.exception.type_error.309] cannot use insert() with array",
|
|
json::type_error&);
|
|
CHECK_THROWS_WITH_AS(j_object1.insert(j_object1.begin(), j_object2.end()),
|
|
"[json.exception.invalid_iterator.210] iterators do not fit",
|
|
json::invalid_iterator&);
|
|
CHECK_THROWS_WITH_AS(j_object1.insert(j_array.begin(), j_array.end()),
|
|
"[json.exception.invalid_iterator.202] iterators first and last must point to objects",
|
|
json::invalid_iterator&);
|
|
}
|
|
}
|
|
|
|
SECTION("initializer list at position")
|
|
{
|
|
SECTION("insert before begin()")
|
|
{
|
|
auto it = j_array.insert(j_array.begin(), { 7, 8, 9 });
|
|
CHECK(j_array.size() == 7);
|
|
CHECK(*it == json(7));
|
|
CHECK(j_array.begin() == it);
|
|
CHECK(j_array == json({ 7, 8, 9, 1, 2, 3, 4 }));
|
|
}
|
|
|
|
SECTION("insert in the middle")
|
|
{
|
|
auto it = j_array.insert(j_array.begin() + 2, { 7, 8, 9 });
|
|
CHECK(j_array.size() == 7);
|
|
CHECK(*it == json(7));
|
|
CHECK((it - j_array.begin()) == 2);
|
|
CHECK(j_array == json({ 1, 2, 7, 8, 9, 3, 4 }));
|
|
}
|
|
|
|
SECTION("insert before end()")
|
|
{
|
|
auto it = j_array.insert(j_array.end(), { 7, 8, 9 });
|
|
CHECK(j_array.size() == 7);
|
|
CHECK(*it == json(7));
|
|
CHECK((j_array.end() - it) == 3);
|
|
CHECK(j_array == json({ 1, 2, 3, 4, 7, 8, 9 }));
|
|
}
|
|
}
|
|
|
|
SECTION("invalid iterator")
|
|
{
|
|
// pass iterator to a different array
|
|
json j_another_array = { 1, 2 };
|
|
json j_yet_another_array = { "first", "second" };
|
|
CHECK_THROWS_WITH_AS(j_array.insert(j_another_array.end(), 10),
|
|
"[json.exception.invalid_iterator.202] iterator does not fit current value",
|
|
json::invalid_iterator&);
|
|
CHECK_THROWS_WITH_AS(j_array.insert(j_another_array.end(), j_value),
|
|
"[json.exception.invalid_iterator.202] iterator does not fit current value",
|
|
json::invalid_iterator&);
|
|
CHECK_THROWS_WITH_AS(j_array.insert(j_another_array.end(), 10, 11),
|
|
"[json.exception.invalid_iterator.202] iterator does not fit current value",
|
|
json::invalid_iterator&);
|
|
CHECK_THROWS_WITH_AS(j_array.insert(j_another_array.end(), j_yet_another_array.begin(), j_yet_another_array.end()),
|
|
"[json.exception.invalid_iterator.202] iterator does not fit current value",
|
|
json::invalid_iterator&);
|
|
CHECK_THROWS_WITH_AS(j_array.insert(j_another_array.end(), { 1, 2, 3, 4 }),
|
|
"[json.exception.invalid_iterator.202] iterator does not fit current value",
|
|
json::invalid_iterator&);
|
|
}
|
|
|
|
SECTION("non-array type")
|
|
{
|
|
// call insert on a non-array type
|
|
json j_nonarray = 3;
|
|
json j_yet_another_array = { "first", "second" };
|
|
CHECK_THROWS_WITH_AS(j_nonarray.insert(j_nonarray.end(), 10), "[json.exception.type_error.309] cannot use insert() with number", json::type_error&);
|
|
CHECK_THROWS_WITH_AS(j_nonarray.insert(j_nonarray.end(), j_value),
|
|
"[json.exception.type_error.309] cannot use insert() with number",
|
|
json::type_error&);
|
|
CHECK_THROWS_WITH_AS(j_nonarray.insert(j_nonarray.end(), 10, 11),
|
|
"[json.exception.type_error.309] cannot use insert() with number",
|
|
json::type_error&);
|
|
CHECK_THROWS_WITH_AS(j_nonarray.insert(j_nonarray.end(), j_yet_another_array.begin(), j_yet_another_array.end()),
|
|
"[json.exception.type_error.309] cannot use insert() with number",
|
|
json::type_error&);
|
|
CHECK_THROWS_WITH_AS(j_nonarray.insert(j_nonarray.end(), { 1, 2, 3, 4 }),
|
|
"[json.exception.type_error.309] cannot use insert() with number",
|
|
json::type_error&);
|
|
}
|
|
}
|
|
|
|
SECTION("update()")
|
|
{
|
|
SECTION("non-recursive (default)")
|
|
{
|
|
json j_object1 = { { "one", "eins" }, { "two", "zwei" } };
|
|
json j_object2 = { { "three", "drei" }, { "two", "zwo" } };
|
|
json j_array = { 1, 2, 3, 4 };
|
|
|
|
SECTION("const reference")
|
|
{
|
|
SECTION("proper usage")
|
|
{
|
|
j_object1.update(j_object2);
|
|
CHECK(j_object1 == json({ { "one", "eins" }, { "two", "zwo" }, { "three", "drei" } }));
|
|
|
|
json j_null;
|
|
j_null.update(j_object2);
|
|
CHECK(j_null == j_object2);
|
|
}
|
|
|
|
SECTION("wrong types")
|
|
{
|
|
CHECK_THROWS_WITH_AS(j_array.update(j_object1), "[json.exception.type_error.312] cannot use update() with array", json::type_error&);
|
|
|
|
CHECK_THROWS_WITH_AS(j_object1.update(j_array), "[json.exception.type_error.312] cannot use update() with array", json::type_error&);
|
|
}
|
|
}
|
|
|
|
SECTION("iterator range")
|
|
{
|
|
SECTION("proper usage")
|
|
{
|
|
j_object1.update(j_object2.begin(), j_object2.end());
|
|
CHECK(j_object1 == json({ { "one", "eins" }, { "two", "zwo" }, { "three", "drei" } }));
|
|
|
|
json j_null;
|
|
j_null.update(j_object2.begin(), j_object2.end());
|
|
CHECK(j_null == j_object2);
|
|
}
|
|
|
|
SECTION("empty range")
|
|
{
|
|
j_object1.update(j_object2.begin(), j_object2.begin());
|
|
CHECK(j_object1 == json({ { "one", "eins" }, { "two", "zwei" } }));
|
|
}
|
|
|
|
SECTION("invalid iterators")
|
|
{
|
|
json const j_other_array2 = { "first", "second" };
|
|
|
|
CHECK_THROWS_WITH_AS(j_array.update(j_object2.begin(), j_object2.end()),
|
|
"[json.exception.type_error.312] cannot use update() with array",
|
|
json::type_error&);
|
|
CHECK_THROWS_WITH_AS(j_object1.update(j_object1.begin(), j_object2.end()),
|
|
"[json.exception.invalid_iterator.210] iterators do not fit",
|
|
json::invalid_iterator&);
|
|
CHECK_THROWS_WITH_AS(j_object1.update(j_array.begin(), j_array.end()),
|
|
"[json.exception.type_error.312] cannot use update() with array",
|
|
json::type_error&);
|
|
}
|
|
}
|
|
}
|
|
|
|
SECTION("recursive")
|
|
{
|
|
SECTION("const reference")
|
|
{
|
|
SECTION("extend object")
|
|
{
|
|
json j1 = { { "string", "s" }, { "numbers", { { "one", 1 } } } };
|
|
json const j2 = { { "string", "t" }, { "numbers", { { "two", 2 } } } };
|
|
j1.update(j2, true);
|
|
CHECK(j1 == json({ { "string", "t" }, { "numbers", { { "one", 1 }, { "two", 2 } } } }));
|
|
}
|
|
|
|
SECTION("replace object")
|
|
{
|
|
json j1 = { { "string", "s" }, { "numbers", { { "one", 1 } } } };
|
|
json const j2 = { { "string", "t" }, { "numbers", 1 } };
|
|
j1.update(j2, true);
|
|
CHECK(j1 == json({ { "string", "t" }, { "numbers", 1 } }));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
SECTION("swap()")
|
|
{
|
|
SECTION("json")
|
|
{
|
|
SECTION("member swap")
|
|
{
|
|
json j("hello world");
|
|
json k(42.23);
|
|
|
|
j.swap(k);
|
|
|
|
CHECK(j == json(42.23));
|
|
CHECK(k == json("hello world"));
|
|
}
|
|
|
|
SECTION("nonmember swap")
|
|
{
|
|
json j("hello world");
|
|
json k(42.23);
|
|
|
|
using std::swap;
|
|
swap(j, k);
|
|
|
|
CHECK(j == json(42.23));
|
|
CHECK(k == json("hello world"));
|
|
}
|
|
}
|
|
|
|
SECTION("array_t")
|
|
{
|
|
SECTION("array_t type")
|
|
{
|
|
json j = { 1, 2, 3, 4 };
|
|
json::array_t a = { "foo", "bar", "baz" };
|
|
|
|
j.swap(a);
|
|
|
|
CHECK(j == json({ "foo", "bar", "baz" }));
|
|
|
|
j.swap(a);
|
|
|
|
CHECK(j == json({ 1, 2, 3, 4 }));
|
|
}
|
|
|
|
SECTION("non-array_t type")
|
|
{
|
|
json j = 17;
|
|
json::array_t a = { "foo", "bar", "baz" };
|
|
|
|
CHECK_THROWS_WITH_AS(j.swap(a), "[json.exception.type_error.310] cannot use swap(array_t&) with number", json::type_error&);
|
|
}
|
|
}
|
|
|
|
SECTION("object_t")
|
|
{
|
|
SECTION("object_t type")
|
|
{
|
|
json j = { { "one", 1 }, { "two", 2 } };
|
|
json::object_t o = { { "cow", "Kuh" }, { "chicken", "Huhn" } };
|
|
|
|
j.swap(o);
|
|
|
|
CHECK(j == json({ { "cow", "Kuh" }, { "chicken", "Huhn" } }));
|
|
|
|
j.swap(o);
|
|
|
|
CHECK(j == json({ { "one", 1 }, { "two", 2 } }));
|
|
}
|
|
|
|
SECTION("non-object_t type")
|
|
{
|
|
json j = 17;
|
|
json::object_t o = { { "cow", "Kuh" }, { "chicken", "Huhn" } };
|
|
|
|
CHECK_THROWS_WITH_AS(j.swap(o), "[json.exception.type_error.310] cannot use swap(object_t&) with number", json::type_error&);
|
|
}
|
|
}
|
|
|
|
SECTION("string_t")
|
|
{
|
|
SECTION("string_t type")
|
|
{
|
|
json j = "Hello world";
|
|
json::string_t s = "Hallo Welt";
|
|
|
|
j.swap(s);
|
|
|
|
CHECK(j == json("Hallo Welt"));
|
|
|
|
j.swap(s);
|
|
|
|
CHECK(j == json("Hello world"));
|
|
}
|
|
|
|
SECTION("non-string_t type")
|
|
{
|
|
json j = 17;
|
|
json::string_t s = "Hallo Welt";
|
|
|
|
CHECK_THROWS_WITH_AS(j.swap(s), "[json.exception.type_error.310] cannot use swap(string_t&) with number", json::type_error&);
|
|
}
|
|
}
|
|
|
|
SECTION("binary_t")
|
|
{
|
|
SECTION("binary_t type")
|
|
{
|
|
json j = json::binary({ 1, 2, 3, 4 });
|
|
json::binary_t s = { { 5, 6, 7, 8 } };
|
|
|
|
j.swap(s);
|
|
|
|
CHECK(j == json::binary({ 5, 6, 7, 8 }));
|
|
|
|
j.swap(s);
|
|
|
|
CHECK(j == json::binary({ 1, 2, 3, 4 }));
|
|
}
|
|
|
|
SECTION("binary_t::container_type type")
|
|
{
|
|
json j = json::binary({ 1, 2, 3, 4 });
|
|
std::vector<std::uint8_t> s = { { 5, 6, 7, 8 } };
|
|
|
|
j.swap(s);
|
|
|
|
CHECK(j == json::binary({ 5, 6, 7, 8 }));
|
|
|
|
j.swap(s);
|
|
|
|
CHECK(j == json::binary({ 1, 2, 3, 4 }));
|
|
}
|
|
|
|
SECTION("non-binary_t type")
|
|
{
|
|
json j = 17;
|
|
json::binary_t s1 = { { 1, 2, 3, 4 } };
|
|
std::vector<std::uint8_t> s2 = { { 5, 6, 7, 8 } };
|
|
|
|
CHECK_THROWS_WITH_AS(j.swap(s1), "[json.exception.type_error.310] cannot use swap(binary_t&) with number", json::type_error);
|
|
CHECK_THROWS_WITH_AS(j.swap(s2), "[json.exception.type_error.310] cannot use swap(binary_t::container_type&) with number", json::type_error);
|
|
}
|
|
}
|
|
}
|
|
}
|