tomlplusplus/tests/using_iterators.cpp
Mark Gillard bd9944a31a removed double-bracket requirement for toml::table constructor
also:
- fixed incorrect `noexcept` specifications on many functions
- fixed missing `#include <initializer_list>`
- removed unnecessary uses of `final`
2021-10-26 23:53:27 +03:00

53 lines
1.6 KiB
C++

#include "tests.h"
TOML_DISABLE_WARNINGS;
#include <algorithm>
TOML_ENABLE_WARNINGS;
TEST_CASE("using iterators")
{
constexpr auto data = R"(array=[1,"Foo",true]
string="Bar"
number=5)"sv;
parsing_should_succeed(
FILE_LINE_ARGS,
data,
[](auto&& tbl)
{
const auto tbl_begin = tbl.begin();
const auto tbl_end = tbl.end();
auto count_table_lambda = [tbl_begin, tbl_end](node_type type) noexcept {
return std::count_if(tbl_begin,
tbl_end,
[type](const auto& pair) noexcept { return pair.second.type() == type; });
};
CHECK(std::distance(tbl_begin, tbl_end) == 3);
CHECK(count_table_lambda(node_type::table) == 0);
CHECK(count_table_lambda(node_type::integer) == 1);
CHECK(count_table_lambda(node_type::string) == 1);
CHECK(std::next(tbl_begin, 3) == tbl_end);
const auto arr_iter =
std::find_if(tbl_begin, tbl_end, [](const auto& pair) noexcept { return pair.second.is_array(); });
REQUIRE(arr_iter != tbl_end);
const auto& arr = arr_iter->second.as_array();
const auto arr_begin = arr->begin();
const auto arr_end = arr->end();
auto count_array_lambda = [arr_begin, arr_end](node_type type) noexcept {
return std::count_if(arr_begin,
arr_end,
[type](const auto& node) noexcept { return node.type() == type; });
};
CHECK(std::distance(arr_begin, arr_end) == 3);
CHECK(count_array_lambda(node_type::table) == 0);
CHECK(count_array_lambda(node_type::integer) == 1);
CHECK(count_array_lambda(node_type::string) == 1);
CHECK(std::next(arr_begin, 2) != arr_end);
});
}