File size: 5,919 Bytes
055eba4 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 | // __ _____ _____ _____
// __| | __| | | | JSON for Modern C++ (supporting code)
// | | |__ | | | | | | version 3.11.3
// |_____|_____|_____|_|___| https://github.com/nlohmann/json
//
// SPDX-FileCopyrightText: 2013-2023 Niels Lohmann <https://nlohmann.me>
// SPDX-License-Identifier: MIT
#include "doctest_compatibility.h"
#define JSON_TESTS_PRIVATE
#include <nlohmann/json.hpp>
using nlohmann::json;
#include <sstream>
namespace
{
struct alt_string_iter
{
alt_string_iter() = default;
alt_string_iter(const char* cstr)
: impl(cstr)
{}
void reserve(std::size_t s)
{
impl.reserve(s);
}
template<typename Iter>
void append(Iter first, Iter last)
{
impl.append(first, last);
}
std::string::const_iterator begin() const noexcept
{
return impl.begin();
}
std::string::const_iterator end() const noexcept
{
return impl.end();
}
std::size_t size() const noexcept
{
return impl.size();
}
alt_string_iter& operator+=(const char c)
{
impl += c;
return *this;
}
std::string impl{};
};
struct alt_string_data
{
alt_string_data() = default;
alt_string_data(const char* cstr)
: impl(cstr)
{}
void reserve(std::size_t s)
{
impl.reserve(s);
}
void append(const char* p, std::size_t s)
{
impl.append(p, s);
}
const char* data() const
{
return impl.data();
}
std::size_t size() const
{
return impl.size();
}
alt_string_data& operator+=(const char c)
{
impl += c;
return *this;
}
std::string impl{};
};
void check_escaped(const char* original, const char* escaped = "", bool ensure_ascii = false);
void check_escaped(const char* original, const char* escaped, const bool ensure_ascii)
{
std::stringstream ss;
json::serializer s(nlohmann::detail::output_adapter<char>(ss), ' ');
s.dump_escaped(original, ensure_ascii);
CHECK(ss.str() == escaped);
}
} // namespace
TEST_CASE("convenience functions")
{
SECTION("type name as string")
{
CHECK(std::string(json(json::value_t::null).type_name()) == "null");
CHECK(std::string(json(json::value_t::object).type_name()) == "object");
CHECK(std::string(json(json::value_t::array).type_name()) == "array");
CHECK(std::string(json(json::value_t::number_integer).type_name()) == "number");
CHECK(std::string(json(json::value_t::number_unsigned).type_name()) == "number");
CHECK(std::string(json(json::value_t::number_float).type_name()) == "number");
CHECK(std::string(json(json::value_t::binary).type_name()) == "binary");
CHECK(std::string(json(json::value_t::boolean).type_name()) == "boolean");
CHECK(std::string(json(json::value_t::string).type_name()) == "string");
CHECK(std::string(json(json::value_t::discarded).type_name()) == "discarded");
}
SECTION("string escape")
{
check_escaped("\"", "\\\"");
check_escaped("\\", "\\\\");
check_escaped("\b", "\\b");
check_escaped("\f", "\\f");
check_escaped("\n", "\\n");
check_escaped("\r", "\\r");
check_escaped("\t", "\\t");
check_escaped("\x01", "\\u0001");
check_escaped("\x02", "\\u0002");
check_escaped("\x03", "\\u0003");
check_escaped("\x04", "\\u0004");
check_escaped("\x05", "\\u0005");
check_escaped("\x06", "\\u0006");
check_escaped("\x07", "\\u0007");
check_escaped("\x08", "\\b");
check_escaped("\x09", "\\t");
check_escaped("\x0a", "\\n");
check_escaped("\x0b", "\\u000b");
check_escaped("\x0c", "\\f");
check_escaped("\x0d", "\\r");
check_escaped("\x0e", "\\u000e");
check_escaped("\x0f", "\\u000f");
check_escaped("\x10", "\\u0010");
check_escaped("\x11", "\\u0011");
check_escaped("\x12", "\\u0012");
check_escaped("\x13", "\\u0013");
check_escaped("\x14", "\\u0014");
check_escaped("\x15", "\\u0015");
check_escaped("\x16", "\\u0016");
check_escaped("\x17", "\\u0017");
check_escaped("\x18", "\\u0018");
check_escaped("\x19", "\\u0019");
check_escaped("\x1a", "\\u001a");
check_escaped("\x1b", "\\u001b");
check_escaped("\x1c", "\\u001c");
check_escaped("\x1d", "\\u001d");
check_escaped("\x1e", "\\u001e");
check_escaped("\x1f", "\\u001f");
// invalid UTF-8 characters
CHECK_THROWS_WITH_AS(check_escaped("ä\xA9ü"), "[json.exception.type_error.316] invalid UTF-8 byte at index 2: 0xA9", json::type_error&);
CHECK_THROWS_WITH_AS(check_escaped("\xC2"), "[json.exception.type_error.316] incomplete UTF-8 string; last byte: 0xC2", json::type_error&);
}
SECTION("string concat")
{
using nlohmann::detail::concat;
const char* expected = "Hello, world!";
alt_string_iter const hello_iter{"Hello, "};
alt_string_data const hello_data{"Hello, "};
std::string const world = "world";
SECTION("std::string")
{
std::string str1 = concat(hello_iter, world, '!');
std::string str2 = concat(hello_data, world, '!');
std::string str3 = concat("Hello, ", world, '!');
CHECK(str1 == expected);
CHECK(str2 == expected);
CHECK(str3 == expected);
}
SECTION("alt_string_iter")
{
alt_string_iter str = concat<alt_string_iter>(hello_iter, world, '!');
CHECK(str.impl == expected);
}
SECTION("alt_string_data")
{
alt_string_data str = concat<alt_string_data>(hello_data, world, '!');
CHECK(str.impl == expected);
}
}
}
|