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1792 lines (1528 loc) · 94.5 KB
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// __ _____ _____ _____
// __| | __| | | | JSON for Modern C++ (supporting code)
// | | |__ | | | | | | version 3.12.0
// |_____|_____|_____|_|___| https://github.com/nlohmann/json
//
// SPDX-FileCopyrightText: 2013-2025 Niels Lohmann <https://nlohmann.me>
// SPDX-License-Identifier: MIT
#include "doctest_compatibility.h"
#include <nlohmann/json.hpp>
#ifdef JSON_TEST_NO_GLOBAL_UDLS
using namespace nlohmann::literals; // NOLINT(google-build-using-namespace)
#endif
// build test with C++14
// JSON_HAS_CPP_14
TEST_CASE_TEMPLATE("element access 2", Json, nlohmann::json, nlohmann::ordered_json) // NOLINT(readability-math-missing-parentheses, bugprone-throwing-static-initialization)
{
SECTION("object")
{
Json j = {{"integer", 1}, {"unsigned", 1u}, {"floating", 42.23}, {"null", nullptr}, {"string", "hello world"}, {"boolean", true}, {"object", Json::object()}, {"array", {1, 2, 3}}};
const Json j_const = j;
SECTION("access specified element with bounds checking")
{
SECTION("access within bounds")
{
CHECK(j.at("integer") == Json(1));
CHECK(j.at("unsigned") == Json(1u));
CHECK(j.at("boolean") == Json(true));
CHECK(j.at("null") == Json(nullptr));
CHECK(j.at("string") == Json("hello world"));
CHECK(j.at("floating") == Json(42.23));
CHECK(j.at("object") == Json::object());
CHECK(j.at("array") == Json({1, 2, 3}));
CHECK(j_const.at("integer") == Json(1));
CHECK(j_const.at("unsigned") == Json(1u));
CHECK(j_const.at("boolean") == Json(true));
CHECK(j_const.at("null") == Json(nullptr));
CHECK(j_const.at("string") == Json("hello world"));
CHECK(j_const.at("floating") == Json(42.23));
CHECK(j_const.at("object") == Json::object());
CHECK(j_const.at("array") == Json({1, 2, 3}));
#ifdef JSON_HAS_CPP_17
CHECK(j.at(std::string_view("integer")) == Json(1));
CHECK(j.at(std::string_view("unsigned")) == Json(1u));
CHECK(j.at(std::string_view("boolean")) == Json(true));
CHECK(j.at(std::string_view("null")) == Json(nullptr));
CHECK(j.at(std::string_view("string")) == Json("hello world"));
CHECK(j.at(std::string_view("floating")) == Json(42.23));
CHECK(j.at(std::string_view("object")) == Json::object());
CHECK(j.at(std::string_view("array")) == Json({1, 2, 3}));
CHECK(j_const.at(std::string_view("integer")) == Json(1));
CHECK(j_const.at(std::string_view("unsigned")) == Json(1u));
CHECK(j_const.at(std::string_view("boolean")) == Json(true));
CHECK(j_const.at(std::string_view("null")) == Json(nullptr));
CHECK(j_const.at(std::string_view("string")) == Json("hello world"));
CHECK(j_const.at(std::string_view("floating")) == Json(42.23));
CHECK(j_const.at(std::string_view("object")) == Json::object());
CHECK(j_const.at(std::string_view("array")) == Json({1, 2, 3}));
#endif
}
SECTION("access outside bounds")
{
CHECK_THROWS_WITH_AS(j.at("foo"), "[json.exception.out_of_range.403] key 'foo' not found", typename Json::out_of_range&);
CHECK_THROWS_WITH_AS(j_const.at("foo"), "[json.exception.out_of_range.403] key 'foo' not found", typename Json::out_of_range&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j.at(std::string_view("foo")), "[json.exception.out_of_range.403] key 'foo' not found", typename Json::out_of_range&);
CHECK_THROWS_WITH_AS(j_const.at(std::string_view("foo")), "[json.exception.out_of_range.403] key 'foo' not found", typename Json::out_of_range&);
#endif
}
SECTION("access on non-object type")
{
SECTION("null")
{
Json j_nonobject(Json::value_t::null);
const Json j_nonobject_const(j_nonobject); // NOLINT(performance-unnecessary-copy-initialization)
CHECK_THROWS_WITH_AS(j_nonobject.at("foo"), "[json.exception.type_error.304] cannot use at() with null", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.at("foo"), "[json.exception.type_error.304] cannot use at() with null", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject.at(std::string_view(std::string_view("foo"))), "[json.exception.type_error.304] cannot use at() with null", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.at(std::string_view(std::string_view("foo"))), "[json.exception.type_error.304] cannot use at() with null", typename Json::type_error&);
#endif
}
SECTION("boolean")
{
Json j_nonobject(Json::value_t::boolean);
const Json j_nonobject_const(j_nonobject); // NOLINT(performance-unnecessary-copy-initialization)
CHECK_THROWS_WITH_AS(j_nonobject.at("foo"), "[json.exception.type_error.304] cannot use at() with boolean", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.at("foo"), "[json.exception.type_error.304] cannot use at() with boolean", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject.at(std::string_view("foo")), "[json.exception.type_error.304] cannot use at() with boolean", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.at(std::string_view("foo")), "[json.exception.type_error.304] cannot use at() with boolean", typename Json::type_error&);
#endif
}
SECTION("string")
{
Json j_nonobject(Json::value_t::string);
const Json j_nonobject_const(j_nonobject); // NOLINT(performance-unnecessary-copy-initialization)
CHECK_THROWS_WITH_AS(j_nonobject.at("foo"), "[json.exception.type_error.304] cannot use at() with string", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.at("foo"), "[json.exception.type_error.304] cannot use at() with string", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject.at(std::string_view("foo")), "[json.exception.type_error.304] cannot use at() with string", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.at(std::string_view("foo")), "[json.exception.type_error.304] cannot use at() with string", typename Json::type_error&);
#endif
}
SECTION("array")
{
Json j_nonobject(Json::value_t::array);
const Json j_nonobject_const(j_nonobject); // NOLINT(performance-unnecessary-copy-initialization)
CHECK_THROWS_WITH_AS(j_nonobject.at("foo"), "[json.exception.type_error.304] cannot use at() with array", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.at("foo"), "[json.exception.type_error.304] cannot use at() with array", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject.at(std::string_view("foo")), "[json.exception.type_error.304] cannot use at() with array", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.at(std::string_view("foo")), "[json.exception.type_error.304] cannot use at() with array", typename Json::type_error&);
#endif
}
SECTION("number (integer)")
{
Json j_nonobject(Json::value_t::number_integer);
const Json j_nonobject_const(j_nonobject); // NOLINT(performance-unnecessary-copy-initialization)
CHECK_THROWS_WITH_AS(j_nonobject.at("foo"), "[json.exception.type_error.304] cannot use at() with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.at("foo"), "[json.exception.type_error.304] cannot use at() with number", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject.at(std::string_view("foo")), "[json.exception.type_error.304] cannot use at() with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.at(std::string_view("foo")), "[json.exception.type_error.304] cannot use at() with number", typename Json::type_error&);
#endif
}
SECTION("number (unsigned)")
{
Json j_nonobject(Json::value_t::number_unsigned);
const Json j_nonobject_const(j_nonobject); // NOLINT(performance-unnecessary-copy-initialization)
CHECK_THROWS_WITH_AS(j_nonobject.at("foo"), "[json.exception.type_error.304] cannot use at() with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.at("foo"), "[json.exception.type_error.304] cannot use at() with number", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject.at(std::string_view("foo")), "[json.exception.type_error.304] cannot use at() with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.at(std::string_view("foo")), "[json.exception.type_error.304] cannot use at() with number", typename Json::type_error&);
#endif
}
SECTION("number (floating-point)")
{
Json j_nonobject(Json::value_t::number_float);
const Json j_nonobject_const(j_nonobject); // NOLINT(performance-unnecessary-copy-initialization)
CHECK_THROWS_WITH_AS(j_nonobject.at("foo"), "[json.exception.type_error.304] cannot use at() with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.at("foo"), "[json.exception.type_error.304] cannot use at() with number", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject.at(std::string_view("foo")), "[json.exception.type_error.304] cannot use at() with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.at(std::string_view("foo")), "[json.exception.type_error.304] cannot use at() with number", typename Json::type_error&);
#endif
}
}
}
SECTION("access specified element with default value")
{
SECTION("given a key")
{
SECTION("access existing value")
{
CHECK(j.value("integer", 2) == 1);
CHECK(j.value("integer", 1.0) == Approx(1));
CHECK(j.value("unsigned", 2) == 1u);
CHECK(j.value("unsigned", 1.0) == Approx(1u));
CHECK(j.value("null", Json(1)) == Json());
CHECK(j.value("boolean", false) == true);
CHECK(j.value("string", "bar") == "hello world");
CHECK(j.value("string", std::string("bar")) == "hello world");
CHECK(j.value("floating", 12.34) == Approx(42.23));
CHECK(j.value("floating", 12) == 42);
CHECK(j.value("object", Json({{"foo", "bar"}})) == Json::object());
CHECK(j.value("array", Json({10, 100})) == Json({1, 2, 3}));
CHECK(j_const.value("integer", 2) == 1);
CHECK(j_const.value("integer", 1.0) == Approx(1));
CHECK(j_const.value("unsigned", 2) == 1u);
CHECK(j_const.value("unsigned", 1.0) == Approx(1u));
CHECK(j_const.value("boolean", false) == true);
CHECK(j_const.value("string", "bar") == "hello world");
CHECK(j_const.value("string", std::string("bar")) == "hello world");
CHECK(j_const.value("floating", 12.34) == Approx(42.23));
CHECK(j_const.value("floating", 12) == 42);
CHECK(j_const.value("object", Json({{"foo", "bar"}})) == Json::object());
CHECK(j_const.value("array", Json({10, 100})) == Json({1, 2, 3}));
#ifdef JSON_HAS_CPP_17
CHECK(j.value(std::string_view("integer"), 2) == 1);
CHECK(j.value(std::string_view("integer"), 1.0) == Approx(1));
CHECK(j.value(std::string_view("unsigned"), 2) == 1u);
CHECK(j.value(std::string_view("unsigned"), 1.0) == Approx(1u));
CHECK(j.value(std::string_view("null"), Json(1)) == Json());
CHECK(j.value(std::string_view("boolean"), false) == true);
CHECK(j.value(std::string_view("string"), "bar") == "hello world");
CHECK(j.value(std::string_view("string"), std::string("bar")) == "hello world");
CHECK(j.value(std::string_view("floating"), 12.34) == Approx(42.23));
CHECK(j.value(std::string_view("floating"), 12) == 42);
CHECK(j.value(std::string_view("object"), Json({{"foo", "bar"}})) == Json::object());
CHECK(j.value(std::string_view("array"), Json({10, 100})) == Json({1, 2, 3}));
CHECK(j_const.value(std::string_view("integer"), 2) == 1);
CHECK(j_const.value(std::string_view("integer"), 1.0) == Approx(1));
CHECK(j_const.value(std::string_view("unsigned"), 2) == 1u);
CHECK(j_const.value(std::string_view("unsigned"), 1.0) == Approx(1u));
CHECK(j_const.value(std::string_view("boolean"), false) == true);
CHECK(j_const.value(std::string_view("string"), "bar") == "hello world");
CHECK(j_const.value(std::string_view("string"), std::string("bar")) == "hello world");
CHECK(j_const.value(std::string_view("floating"), 12.34) == Approx(42.23));
CHECK(j_const.value(std::string_view("floating"), 12) == 42);
CHECK(j_const.value(std::string_view("object"), Json({{"foo", "bar"}})) == Json::object());
CHECK(j_const.value(std::string_view("array"), Json({10, 100})) == Json({1, 2, 3}));
#endif
}
SECTION("access non-existing value")
{
CHECK(j.value("_", 2) == 2);
CHECK(j.value("_", 2u) == 2u);
CHECK(j.value("_", false) == false);
CHECK(j.value("_", "bar") == "bar");
CHECK(j.value("_", 12.34) == Approx(12.34));
CHECK(j.value("_", Json({{"foo", "bar"}})) == Json({{"foo", "bar"}}));
CHECK(j.value("_", Json({10, 100})) == Json({10, 100}));
CHECK(j_const.value("_", 2) == 2);
CHECK(j_const.value("_", 2u) == 2u);
CHECK(j_const.value("_", false) == false);
CHECK(j_const.value("_", "bar") == "bar");
CHECK(j_const.value("_", 12.34) == Approx(12.34));
CHECK(j_const.value("_", Json({{"foo", "bar"}})) == Json({{"foo", "bar"}}));
CHECK(j_const.value("_", Json({10, 100})) == Json({10, 100}));
#ifdef JSON_HAS_CPP_17
CHECK(j.value(std::string_view("_"), 2) == 2);
CHECK(j.value(std::string_view("_"), 2u) == 2u);
CHECK(j.value(std::string_view("_"), false) == false);
CHECK(j.value(std::string_view("_"), "bar") == "bar");
CHECK(j.value(std::string_view("_"), 12.34) == Approx(12.34));
CHECK(j.value(std::string_view("_"), Json({{"foo", "bar"}})) == Json({{"foo", "bar"}}));
CHECK(j.value(std::string_view("_"), Json({10, 100})) == Json({10, 100}));
CHECK(j_const.value(std::string_view("_"), 2) == 2);
CHECK(j_const.value(std::string_view("_"), 2u) == 2u);
CHECK(j_const.value(std::string_view("_"), false) == false);
CHECK(j_const.value(std::string_view("_"), "bar") == "bar");
CHECK(j_const.value(std::string_view("_"), 12.34) == Approx(12.34));
CHECK(j_const.value(std::string_view("_"), Json({{"foo", "bar"}})) == Json({{"foo", "bar"}}));
CHECK(j_const.value(std::string_view("_"), Json({10, 100})) == Json({10, 100}));
#endif
}
SECTION("access on non-object type")
{
SECTION("null")
{
Json j_nonobject(Json::value_t::null);
const Json j_nonobject_const(Json::value_t::null);
CHECK_THROWS_WITH_AS(j_nonobject.value("foo", 1), "[json.exception.type_error.306] cannot use value() with null", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value("foo", 1), "[json.exception.type_error.306] cannot use value() with null", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject.value(std::string_view("foo"), 1), "[json.exception.type_error.306] cannot use value() with null", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value(std::string_view("foo"), 1), "[json.exception.type_error.306] cannot use value() with null", typename Json::type_error&);
#endif
}
SECTION("boolean")
{
Json j_nonobject(Json::value_t::boolean);
const Json j_nonobject_const(Json::value_t::boolean);
CHECK_THROWS_WITH_AS(j_nonobject.value("foo", 1), "[json.exception.type_error.306] cannot use value() with boolean", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value("foo", 1), "[json.exception.type_error.306] cannot use value() with boolean", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject.value(std::string_view("foo"), 1), "[json.exception.type_error.306] cannot use value() with boolean", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value(std::string_view("foo"), 1), "[json.exception.type_error.306] cannot use value() with boolean", typename Json::type_error&);
#endif
}
SECTION("string")
{
Json j_nonobject(Json::value_t::string);
const Json j_nonobject_const(Json::value_t::string);
CHECK_THROWS_WITH_AS(j_nonobject.value("foo", 1), "[json.exception.type_error.306] cannot use value() with string", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value("foo", 1), "[json.exception.type_error.306] cannot use value() with string", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject.value(std::string_view("foo"), 1), "[json.exception.type_error.306] cannot use value() with string", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value(std::string_view("foo"), 1), "[json.exception.type_error.306] cannot use value() with string", typename Json::type_error&);
#endif
}
SECTION("array")
{
Json j_nonobject(Json::value_t::array);
const Json j_nonobject_const(Json::value_t::array);
CHECK_THROWS_WITH_AS(j_nonobject.value("foo", 1), "[json.exception.type_error.306] cannot use value() with array", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value("foo", 1), "[json.exception.type_error.306] cannot use value() with array", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject.value(std::string_view("foo"), 1), "[json.exception.type_error.306] cannot use value() with array", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value(std::string_view("foo"), 1), "[json.exception.type_error.306] cannot use value() with array", typename Json::type_error&);
#endif
}
SECTION("number (integer)")
{
Json j_nonobject(Json::value_t::number_integer);
const Json j_nonobject_const(Json::value_t::number_integer);
CHECK_THROWS_WITH_AS(j_nonobject.value("foo", 1), "[json.exception.type_error.306] cannot use value() with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value("foo", 1), "[json.exception.type_error.306] cannot use value() with number", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject.value(std::string_view("foo"), 1), "[json.exception.type_error.306] cannot use value() with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value(std::string_view("foo"), 1), "[json.exception.type_error.306] cannot use value() with number", typename Json::type_error&);
#endif
}
SECTION("number (unsigned)")
{
Json j_nonobject(Json::value_t::number_unsigned);
const Json j_nonobject_const(Json::value_t::number_unsigned);
CHECK_THROWS_WITH_AS(j_nonobject.value("foo", 1), "[json.exception.type_error.306] cannot use value() with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value("foo", 1), "[json.exception.type_error.306] cannot use value() with number", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject.value(std::string_view("foo"), 1), "[json.exception.type_error.306] cannot use value() with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value(std::string_view("foo"), 1), "[json.exception.type_error.306] cannot use value() with number", typename Json::type_error&);
#endif
}
SECTION("number (floating-point)")
{
Json j_nonobject(Json::value_t::number_float);
const Json j_nonobject_const(Json::value_t::number_float);
CHECK_THROWS_WITH_AS(j_nonobject.value("foo", 1), "[json.exception.type_error.306] cannot use value() with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value("foo", 1), "[json.exception.type_error.306] cannot use value() with number", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject.value(std::string_view("foo"), 1), "[json.exception.type_error.306] cannot use value() with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value(std::string_view("foo"), 1), "[json.exception.type_error.306] cannot use value() with number", typename Json::type_error&);
#endif
}
}
}
SECTION("given a JSON pointer")
{
SECTION("access existing value")
{
CHECK(j.value("/integer"_json_pointer, 2) == 1);
CHECK(j.value("/integer"_json_pointer, 1.0) == Approx(1));
CHECK(j.value("/unsigned"_json_pointer, 2) == 1u);
CHECK(j.value("/unsigned"_json_pointer, 1.0) == Approx(1u));
CHECK(j.value("/null"_json_pointer, Json(1)) == Json());
CHECK(j.value("/boolean"_json_pointer, false) == true);
CHECK(j.value("/string"_json_pointer, "bar") == "hello world");
CHECK(j.value("/string"_json_pointer, std::string("bar")) == "hello world");
CHECK(j.value("/floating"_json_pointer, 12.34) == Approx(42.23));
CHECK(j.value("/floating"_json_pointer, 12) == 42);
CHECK(j.value("/object"_json_pointer, Json({{"foo", "bar"}})) == Json::object());
CHECK(j.value("/array"_json_pointer, Json({10, 100})) == Json({1, 2, 3}));
CHECK(j_const.value("/integer"_json_pointer, 2) == 1);
CHECK(j_const.value("/integer"_json_pointer, 1.0) == Approx(1));
CHECK(j_const.value("/unsigned"_json_pointer, 2) == 1u);
CHECK(j_const.value("/unsigned"_json_pointer, 1.0) == Approx(1u));
CHECK(j_const.value("/boolean"_json_pointer, false) == true);
CHECK(j_const.value("/string"_json_pointer, "bar") == "hello world");
CHECK(j_const.value("/string"_json_pointer, std::string("bar")) == "hello world");
CHECK(j_const.value("/floating"_json_pointer, 12.34) == Approx(42.23));
CHECK(j_const.value("/floating"_json_pointer, 12) == 42);
CHECK(j_const.value("/object"_json_pointer, Json({{"foo", "bar"}})) == Json::object());
CHECK(j_const.value("/array"_json_pointer, Json({10, 100})) == Json({1, 2, 3}));
}
SECTION("access on non-object type")
{
SECTION("null")
{
Json j_nonobject(Json::value_t::null);
const Json j_nonobject_const(Json::value_t::null);
CHECK_THROWS_WITH_AS(j_nonobject.value("/foo"_json_pointer, 1), "[json.exception.type_error.306] cannot use value() with null", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value("/foo"_json_pointer, 1), "[json.exception.type_error.306] cannot use value() with null", typename Json::type_error&);
}
SECTION("boolean")
{
Json j_nonobject(Json::value_t::boolean);
const Json j_nonobject_const(Json::value_t::boolean);
CHECK_THROWS_WITH_AS(j_nonobject.value("/foo"_json_pointer, 1), "[json.exception.type_error.306] cannot use value() with boolean", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value("/foo"_json_pointer, 1), "[json.exception.type_error.306] cannot use value() with boolean", typename Json::type_error&);
}
SECTION("string")
{
Json j_nonobject(Json::value_t::string);
const Json j_nonobject_const(Json::value_t::string);
CHECK_THROWS_WITH_AS(j_nonobject.value("/foo"_json_pointer, 1), "[json.exception.type_error.306] cannot use value() with string", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value("/foo"_json_pointer, 1), "[json.exception.type_error.306] cannot use value() with string", typename Json::type_error&);
}
SECTION("array")
{
Json j_nonobject(Json::value_t::array);
const Json j_nonobject_const(Json::value_t::array);
CHECK_THROWS_WITH_AS(j_nonobject.value("/foo"_json_pointer, 1), "[json.exception.type_error.306] cannot use value() with array", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value("/foo"_json_pointer, 1), "[json.exception.type_error.306] cannot use value() with array", typename Json::type_error&);
}
SECTION("number (integer)")
{
Json j_nonobject(Json::value_t::number_integer);
const Json j_nonobject_const(Json::value_t::number_integer);
CHECK_THROWS_WITH_AS(j_nonobject.value("/foo"_json_pointer, 1), "[json.exception.type_error.306] cannot use value() with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value("/foo"_json_pointer, 1), "[json.exception.type_error.306] cannot use value() with number", typename Json::type_error&);
}
SECTION("number (unsigned)")
{
Json j_nonobject(Json::value_t::number_unsigned);
const Json j_nonobject_const(Json::value_t::number_unsigned);
CHECK_THROWS_WITH_AS(j_nonobject.value("/foo"_json_pointer, 1), "[json.exception.type_error.306] cannot use value() with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value("/foo"_json_pointer, 1), "[json.exception.type_error.306] cannot use value() with number", typename Json::type_error&);
}
SECTION("number (floating-point)")
{
Json j_nonobject(Json::value_t::number_float);
const Json j_nonobject_const(Json::value_t::number_float);
CHECK_THROWS_WITH_AS(j_nonobject.value("/foo"_json_pointer, 1), "[json.exception.type_error.306] cannot use value() with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject_const.value("/foo"_json_pointer, 1), "[json.exception.type_error.306] cannot use value() with number", typename Json::type_error&);
}
}
}
}
SECTION("non-const operator[]")
{
{
Json j_null;
CHECK(j_null.is_null());
j_null["key"] = 1;
CHECK(j_null.is_object());
CHECK(j_null.size() == 1);
j_null["key"] = 2;
CHECK(j_null.size() == 1);
}
#ifdef JSON_HAS_CPP_17
{
std::string_view const key = "key";
Json j_null;
CHECK(j_null.is_null());
j_null[key] = 1;
CHECK(j_null.is_object());
CHECK(j_null.size() == 1);
j_null[key] = 2;
CHECK(j_null.size() == 1);
}
#endif
}
SECTION("front and back")
{
if (std::is_same<Json, nlohmann::ordered_json>::value)
{
// "integer" is the first key
CHECK(j.front() == Json(1));
CHECK(j_const.front() == Json(1));
// "array" is last key
CHECK(j.back() == Json({1, 2, 3}));
CHECK(j_const.back() == Json({1, 2, 3}));
}
else
{
// "array" is the smallest key
CHECK(j.front() == Json({1, 2, 3}));
CHECK(j_const.front() == Json({1, 2, 3}));
// "unsigned" is the largest key
CHECK(j.back() == Json(1u));
CHECK(j_const.back() == Json(1u));
}
}
SECTION("access specified element")
{
SECTION("access within bounds")
{
CHECK(j["integer"] == Json(1));
CHECK(j[typename Json::object_t::key_type("integer")] == j["integer"]);
CHECK(j["unsigned"] == Json(1u));
CHECK(j[typename Json::object_t::key_type("unsigned")] == j["unsigned"]);
CHECK(j["boolean"] == Json(true));
CHECK(j[typename Json::object_t::key_type("boolean")] == j["boolean"]);
CHECK(j["null"] == Json(nullptr));
CHECK(j[typename Json::object_t::key_type("null")] == j["null"]);
CHECK(j["string"] == Json("hello world"));
CHECK(j[typename Json::object_t::key_type("string")] == j["string"]);
CHECK(j["floating"] == Json(42.23));
CHECK(j[typename Json::object_t::key_type("floating")] == j["floating"]);
CHECK(j["object"] == Json::object());
CHECK(j[typename Json::object_t::key_type("object")] == j["object"]);
CHECK(j["array"] == Json({1, 2, 3}));
CHECK(j[typename Json::object_t::key_type("array")] == j["array"]);
CHECK(j_const["integer"] == Json(1));
CHECK(j_const[typename Json::object_t::key_type("integer")] == j["integer"]);
CHECK(j_const["boolean"] == Json(true));
CHECK(j_const[typename Json::object_t::key_type("boolean")] == j["boolean"]);
CHECK(j_const["null"] == Json(nullptr));
CHECK(j_const[typename Json::object_t::key_type("null")] == j["null"]);
CHECK(j_const["string"] == Json("hello world"));
CHECK(j_const[typename Json::object_t::key_type("string")] == j["string"]);
CHECK(j_const["floating"] == Json(42.23));
CHECK(j_const[typename Json::object_t::key_type("floating")] == j["floating"]);
CHECK(j_const["object"] == Json::object());
CHECK(j_const[typename Json::object_t::key_type("object")] == j["object"]);
CHECK(j_const["array"] == Json({1, 2, 3}));
CHECK(j_const[typename Json::object_t::key_type("array")] == j["array"]);
}
#ifdef JSON_HAS_CPP_17
SECTION("access within bounds (string_view)")
{
CHECK(j["integer"] == Json(1));
CHECK(j[std::string_view("integer")] == j["integer"]);
CHECK(j["unsigned"] == Json(1u));
CHECK(j[std::string_view("unsigned")] == j["unsigned"]);
CHECK(j["boolean"] == Json(true));
CHECK(j[std::string_view("boolean")] == j["boolean"]);
CHECK(j["null"] == Json(nullptr));
CHECK(j[std::string_view("null")] == j["null"]);
CHECK(j["string"] == Json("hello world"));
CHECK(j[std::string_view("string")] == j["string"]);
CHECK(j["floating"] == Json(42.23));
CHECK(j[std::string_view("floating")] == j["floating"]);
CHECK(j["object"] == Json::object());
CHECK(j[std::string_view("object")] == j["object"]);
CHECK(j["array"] == Json({1, 2, 3}));
CHECK(j[std::string_view("array")] == j["array"]);
CHECK(j_const["integer"] == Json(1));
CHECK(j_const[std::string_view("integer")] == j["integer"]);
CHECK(j_const["boolean"] == Json(true));
CHECK(j_const[std::string_view("boolean")] == j["boolean"]);
CHECK(j_const["null"] == Json(nullptr));
CHECK(j_const[std::string_view("null")] == j["null"]);
CHECK(j_const["string"] == Json("hello world"));
CHECK(j_const[std::string_view("string")] == j["string"]);
CHECK(j_const["floating"] == Json(42.23));
CHECK(j_const[std::string_view("floating")] == j["floating"]);
CHECK(j_const["object"] == Json::object());
CHECK(j_const[std::string_view("object")] == j["object"]);
CHECK(j_const["array"] == Json({1, 2, 3}));
CHECK(j_const[std::string_view("array")] == j["array"]);
}
#endif
SECTION("access on non-object type")
{
SECTION("null")
{
Json j_nonobject(Json::value_t::null);
Json j_nonobject2(Json::value_t::null);
const Json j_const_nonobject(j_nonobject);
CHECK_NOTHROW(j_nonobject["foo"]);
CHECK_NOTHROW(j_nonobject2[typename Json::object_t::key_type("foo")]);
CHECK_THROWS_WITH_AS(j_const_nonobject["foo"], "[json.exception.type_error.305] cannot use operator[] with a string argument with null", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_const_nonobject[typename Json::object_t::key_type("foo")], "[json.exception.type_error.305] cannot use operator[] with a string argument with null", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_NOTHROW(j_nonobject2[std::string_view("foo")]);
CHECK_THROWS_WITH_AS(j_const_nonobject[std::string_view("foo")], "[json.exception.type_error.305] cannot use operator[] with a string argument with null", typename Json::type_error&);
#endif
}
SECTION("boolean")
{
Json j_nonobject(Json::value_t::boolean);
const Json j_const_nonobject(j_nonobject);
CHECK_THROWS_WITH_AS(j_nonobject["foo"],
"[json.exception.type_error.305] cannot use operator[] with a string argument with boolean", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject[typename Json::object_t::key_type("foo")],
"[json.exception.type_error.305] cannot use operator[] with a string argument with boolean", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_const_nonobject["foo"],
"[json.exception.type_error.305] cannot use operator[] with a string argument with boolean", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_const_nonobject[typename Json::object_t::key_type("foo")],
"[json.exception.type_error.305] cannot use operator[] with a string argument with boolean", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject[std::string_view("foo")], "[json.exception.type_error.305] cannot use operator[] with a string argument with boolean", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_const_nonobject[std::string_view("foo")], "[json.exception.type_error.305] cannot use operator[] with a string argument with boolean", typename Json::type_error&);
#endif
}
SECTION("string")
{
Json j_nonobject(Json::value_t::string);
const Json j_const_nonobject(j_nonobject);
CHECK_THROWS_WITH_AS(j_nonobject["foo"],
"[json.exception.type_error.305] cannot use operator[] with a string argument with string", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject[typename Json::object_t::key_type("foo")],
"[json.exception.type_error.305] cannot use operator[] with a string argument with string", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_const_nonobject["foo"],
"[json.exception.type_error.305] cannot use operator[] with a string argument with string", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_const_nonobject[typename Json::object_t::key_type("foo")],
"[json.exception.type_error.305] cannot use operator[] with a string argument with string", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject[std::string_view("foo")], "[json.exception.type_error.305] cannot use operator[] with a string argument with string", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_const_nonobject[std::string_view("foo")], "[json.exception.type_error.305] cannot use operator[] with a string argument with string", typename Json::type_error&);
#endif
}
SECTION("array")
{
Json j_nonobject(Json::value_t::array);
const Json j_const_nonobject(j_nonobject);
CHECK_THROWS_WITH_AS(j_nonobject["foo"],
"[json.exception.type_error.305] cannot use operator[] with a string argument with array", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject[typename Json::object_t::key_type("foo")], "[json.exception.type_error.305] cannot use operator[] with a string argument with array", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_const_nonobject["foo"],
"[json.exception.type_error.305] cannot use operator[] with a string argument with array", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_const_nonobject[typename Json::object_t::key_type("foo")],
"[json.exception.type_error.305] cannot use operator[] with a string argument with array", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject[std::string_view("foo")], "[json.exception.type_error.305] cannot use operator[] with a string argument with array", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_const_nonobject[std::string_view("foo")], "[json.exception.type_error.305] cannot use operator[] with a string argument with array", typename Json::type_error&);
#endif
}
SECTION("number (integer)")
{
Json j_nonobject(Json::value_t::number_integer);
const Json j_const_nonobject(j_nonobject);
CHECK_THROWS_WITH_AS(j_nonobject["foo"],
"[json.exception.type_error.305] cannot use operator[] with a string argument with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject[typename Json::object_t::key_type("foo")],
"[json.exception.type_error.305] cannot use operator[] with a string argument with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_const_nonobject["foo"],
"[json.exception.type_error.305] cannot use operator[] with a string argument with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_const_nonobject[typename Json::object_t::key_type("foo")],
"[json.exception.type_error.305] cannot use operator[] with a string argument with number", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject[std::string_view("foo")], "[json.exception.type_error.305] cannot use operator[] with a string argument with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_const_nonobject[std::string_view("foo")], "[json.exception.type_error.305] cannot use operator[] with a string argument with number", typename Json::type_error&);
#endif
}
SECTION("number (unsigned)")
{
Json j_nonobject(Json::value_t::number_unsigned);
const Json j_const_nonobject(j_nonobject);
CHECK_THROWS_WITH_AS(j_nonobject["foo"],
"[json.exception.type_error.305] cannot use operator[] with a string argument with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject[typename Json::object_t::key_type("foo")],
"[json.exception.type_error.305] cannot use operator[] with a string argument with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_const_nonobject["foo"],
"[json.exception.type_error.305] cannot use operator[] with a string argument with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_const_nonobject[typename Json::object_t::key_type("foo")],
"[json.exception.type_error.305] cannot use operator[] with a string argument with number", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject[std::string_view("foo")], "[json.exception.type_error.305] cannot use operator[] with a string argument with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_const_nonobject[std::string_view("foo")], "[json.exception.type_error.305] cannot use operator[] with a string argument with number", typename Json::type_error&);
#endif
}
SECTION("number (floating-point)")
{
Json j_nonobject(Json::value_t::number_float);
const Json j_const_nonobject(j_nonobject);
CHECK_THROWS_WITH_AS(j_nonobject["foo"],
"[json.exception.type_error.305] cannot use operator[] with a string argument with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_nonobject[typename Json::object_t::key_type("foo")],
"[json.exception.type_error.305] cannot use operator[] with a string argument with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_const_nonobject["foo"],
"[json.exception.type_error.305] cannot use operator[] with a string argument with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_const_nonobject[typename Json::object_t::key_type("foo")],
"[json.exception.type_error.305] cannot use operator[] with a string argument with number", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject[std::string_view("foo")], "[json.exception.type_error.305] cannot use operator[] with a string argument with number", typename Json::type_error&);
CHECK_THROWS_WITH_AS(j_const_nonobject[std::string_view("foo")], "[json.exception.type_error.305] cannot use operator[] with a string argument with number", typename Json::type_error&);
#endif
}
}
}
SECTION("remove specified element")
{
SECTION("remove element by key")
{
CHECK(j.find("integer") != j.end());
CHECK(j.erase("integer") == 1);
CHECK(j.find("integer") == j.end());
CHECK(j.erase("integer") == 0);
CHECK(j.find("unsigned") != j.end());
CHECK(j.erase("unsigned") == 1);
CHECK(j.find("unsigned") == j.end());
CHECK(j.erase("unsigned") == 0);
CHECK(j.find("boolean") != j.end());
CHECK(j.erase("boolean") == 1);
CHECK(j.find("boolean") == j.end());
CHECK(j.erase("boolean") == 0);
CHECK(j.find("null") != j.end());
CHECK(j.erase("null") == 1);
CHECK(j.find("null") == j.end());
CHECK(j.erase("null") == 0);
CHECK(j.find("string") != j.end());
CHECK(j.erase("string") == 1);
CHECK(j.find("string") == j.end());
CHECK(j.erase("string") == 0);
CHECK(j.find("floating") != j.end());
CHECK(j.erase("floating") == 1);
CHECK(j.find("floating") == j.end());
CHECK(j.erase("floating") == 0);
CHECK(j.find("object") != j.end());
CHECK(j.erase("object") == 1);
CHECK(j.find("object") == j.end());
CHECK(j.erase("object") == 0);
CHECK(j.find("array") != j.end());
CHECK(j.erase("array") == 1);
CHECK(j.find("array") == j.end());
CHECK(j.erase("array") == 0);
}
#ifdef JSON_HAS_CPP_17
SECTION("remove element by key (string_view)")
{
CHECK(j.find(std::string_view("integer")) != j.end());
CHECK(j.erase(std::string_view("integer")) == 1);
CHECK(j.find(std::string_view("integer")) == j.end());
CHECK(j.erase(std::string_view("integer")) == 0);
CHECK(j.find(std::string_view("unsigned")) != j.end());
CHECK(j.erase(std::string_view("unsigned")) == 1);
CHECK(j.find(std::string_view("unsigned")) == j.end());
CHECK(j.erase(std::string_view("unsigned")) == 0);
CHECK(j.find(std::string_view("boolean")) != j.end());
CHECK(j.erase(std::string_view("boolean")) == 1);
CHECK(j.find(std::string_view("boolean")) == j.end());
CHECK(j.erase(std::string_view("boolean")) == 0);
CHECK(j.find(std::string_view("null")) != j.end());
CHECK(j.erase(std::string_view("null")) == 1);
CHECK(j.find(std::string_view("null")) == j.end());
CHECK(j.erase(std::string_view("null")) == 0);
CHECK(j.find(std::string_view("string")) != j.end());
CHECK(j.erase(std::string_view("string")) == 1);
CHECK(j.find(std::string_view("string")) == j.end());
CHECK(j.erase(std::string_view("string")) == 0);
CHECK(j.find(std::string_view("floating")) != j.end());
CHECK(j.erase(std::string_view("floating")) == 1);
CHECK(j.find(std::string_view("floating")) == j.end());
CHECK(j.erase(std::string_view("floating")) == 0);
CHECK(j.find(std::string_view("object")) != j.end());
CHECK(j.erase(std::string_view("object")) == 1);
CHECK(j.find(std::string_view("object")) == j.end());
CHECK(j.erase(std::string_view("object")) == 0);
CHECK(j.find(std::string_view("array")) != j.end());
CHECK(j.erase(std::string_view("array")) == 1);
CHECK(j.find(std::string_view("array")) == j.end());
CHECK(j.erase(std::string_view("array")) == 0);
}
#endif
SECTION("remove element by iterator")
{
SECTION("erase(begin())")
{
{
Json jobject = {{"a", "a"}, {"b", 1}, {"c", 17u}};
typename Json::iterator const it2 = jobject.erase(jobject.begin());
CHECK(jobject == Json({{"b", 1}, {"c", 17u}}));
CHECK(*it2 == Json(1));
}
{
Json jobject = {{"a", "a"}, {"b", 1}, {"c", 17u}};
typename Json::const_iterator const it2 = jobject.erase(jobject.cbegin());
CHECK(jobject == Json({{"b", 1}, {"c", 17u}}));
CHECK(*it2 == Json(1));
}
}
SECTION("erase(begin(), end())")
{
{
Json jobject = {{"a", "a"}, {"b", 1}, {"c", 17u}};
const typename Json::iterator it2 = jobject.erase(jobject.begin(), jobject.end());
CHECK(jobject == Json::object());
CHECK(it2 == jobject.end());
}
{
Json jobject = {{"a", "a"}, {"b", 1}, {"c", 17u}};
const typename Json::const_iterator it2 = jobject.erase(jobject.cbegin(), jobject.cend());
CHECK(jobject == Json::object());
CHECK(it2 == jobject.cend());
}
}
SECTION("erase(begin(), begin())")
{
{
Json jobject = {{"a", "a"}, {"b", 1}, {"c", 17u}};
typename Json::iterator const it2 = jobject.erase(jobject.begin(), jobject.begin());
CHECK(jobject == Json({{"a", "a"}, {"b", 1}, {"c", 17u}}));
CHECK(*it2 == Json("a"));
}
{
Json jobject = {{"a", "a"}, {"b", 1}, {"c", 17u}};
typename Json::const_iterator const it2 = jobject.erase(jobject.cbegin(), jobject.cbegin());
CHECK(jobject == Json({{"a", "a"}, {"b", 1}, {"c", 17u}}));
CHECK(*it2 == Json("a"));
}
}
SECTION("erase at offset")
{
{
Json jobject = {{"a", "a"}, {"b", 1}, {"c", 17u}};
typename Json::iterator const it = jobject.find("b");
typename Json::iterator const it2 = jobject.erase(it);
CHECK(jobject == Json({{"a", "a"}, {"c", 17u}}));
CHECK(*it2 == Json(17));
}
{
Json jobject = {{"a", "a"}, {"b", 1}, {"c", 17u}};
typename Json::const_iterator const it = jobject.find("b");
typename Json::const_iterator const it2 = jobject.erase(it);
CHECK(jobject == Json({{"a", "a"}, {"c", 17u}}));
CHECK(*it2 == Json(17));
}
}
SECTION("erase subrange")
{
{
Json jobject = {{"a", "a"}, {"b", 1}, {"c", 17u}, {"d", false}, {"e", true}};
typename Json::iterator const it2 = jobject.erase(jobject.find("b"), jobject.find("e"));
CHECK(jobject == Json({{"a", "a"}, {"e", true}}));
CHECK(*it2 == Json(true));
}
{
Json jobject = {{"a", "a"}, {"b", 1}, {"c", 17u}, {"d", false}, {"e", true}};
typename Json::const_iterator const it2 = jobject.erase(jobject.find("b"), jobject.find("e"));
CHECK(jobject == Json({{"a", "a"}, {"e", true}}));
CHECK(*it2 == Json(true));
}
}
SECTION("different objects")
{
{
Json jobject = {{"a", "a"}, {"b", 1}, {"c", 17u}, {"d", false}, {"e", true}};
Json jobject2 = {{"a", "a"}, {"b", 1}, {"c", 17u}};
CHECK_THROWS_WITH_AS(jobject.erase(jobject2.begin()),
"[json.exception.invalid_iterator.202] iterator does not fit current value", typename Json::invalid_iterator&);
CHECK_THROWS_WITH_AS(jobject.erase(jobject.begin(), jobject2.end()),
"[json.exception.invalid_iterator.203] iterators do not fit current value", typename Json::invalid_iterator&);
CHECK_THROWS_WITH_AS(jobject.erase(jobject2.begin(), jobject.end()),
"[json.exception.invalid_iterator.203] iterators do not fit current value", typename Json::invalid_iterator&);
CHECK_THROWS_WITH_AS(jobject.erase(jobject2.begin(), jobject2.end()),
"[json.exception.invalid_iterator.203] iterators do not fit current value", typename Json::invalid_iterator&);
}
{
Json jobject = {{"a", "a"}, {"b", 1}, {"c", 17u}, {"d", false}, {"e", true}};
Json jobject2 = {{"a", "a"}, {"b", 1}, {"c", 17u}};
CHECK_THROWS_WITH_AS(jobject.erase(jobject2.cbegin()),
"[json.exception.invalid_iterator.202] iterator does not fit current value", typename Json::invalid_iterator&);
CHECK_THROWS_WITH_AS(jobject.erase(jobject.cbegin(), jobject2.cend()),
"[json.exception.invalid_iterator.203] iterators do not fit current value", typename Json::invalid_iterator&);
CHECK_THROWS_WITH_AS(jobject.erase(jobject2.cbegin(), jobject.cend()),
"[json.exception.invalid_iterator.203] iterators do not fit current value", typename Json::invalid_iterator&);
CHECK_THROWS_WITH_AS(jobject.erase(jobject2.cbegin(), jobject2.cend()),
"[json.exception.invalid_iterator.203] iterators do not fit current value", typename Json::invalid_iterator&);
}
}
}
SECTION("remove element by key in non-object type")
{
SECTION("null")
{
Json j_nonobject(Json::value_t::null);
CHECK_THROWS_WITH_AS(j_nonobject.erase("foo"), "[json.exception.type_error.307] cannot use erase() with null", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject.erase(std::string_view("foo")), "[json.exception.type_error.307] cannot use erase() with null", typename Json::type_error&);
#endif
}
SECTION("boolean")
{
Json j_nonobject(Json::value_t::boolean);
CHECK_THROWS_WITH_AS(j_nonobject.erase("foo"), "[json.exception.type_error.307] cannot use erase() with boolean", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject.erase(std::string_view("foo")), "[json.exception.type_error.307] cannot use erase() with boolean", typename Json::type_error&);
#endif
}
SECTION("string")
{
Json j_nonobject(Json::value_t::string);
CHECK_THROWS_WITH_AS(j_nonobject.erase("foo"), "[json.exception.type_error.307] cannot use erase() with string", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject.erase(std::string_view("foo")), "[json.exception.type_error.307] cannot use erase() with string", typename Json::type_error&);
#endif
}
SECTION("array")
{
Json j_nonobject(Json::value_t::array);
CHECK_THROWS_WITH_AS(j_nonobject.erase("foo"), "[json.exception.type_error.307] cannot use erase() with array", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject.erase(std::string_view("foo")), "[json.exception.type_error.307] cannot use erase() with array", typename Json::type_error&);
#endif
}
SECTION("number (integer)")
{
Json j_nonobject(Json::value_t::number_integer);
CHECK_THROWS_WITH_AS(j_nonobject.erase("foo"), "[json.exception.type_error.307] cannot use erase() with number", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject.erase(std::string_view("foo")), "[json.exception.type_error.307] cannot use erase() with number", typename Json::type_error&);
#endif
}
SECTION("number (floating-point)")
{
Json j_nonobject(Json::value_t::number_float);
CHECK_THROWS_WITH_AS(j_nonobject.erase("foo"), "[json.exception.type_error.307] cannot use erase() with number", typename Json::type_error&);
#ifdef JSON_HAS_CPP_17
CHECK_THROWS_WITH_AS(j_nonobject.erase(std::string_view("foo")), "[json.exception.type_error.307] cannot use erase() with number", typename Json::type_error&);
#endif