const T& left,

const U& right,

const std::source_location& loc = std::source_location::current()

) {

if (left != right) {

std::ostringstream message;

message << left << " != " << right;

message << " in " << loc.function_name() << " " << loc.file_name() << ":" << loc.line();

throw std::runtime_error{message.str()};

}

const std::function<void(void)>& code,

std::optional<std::string_view> message = std::nullopt

) {

std::optional<T> exception;

try {

code();

} catch (const T& e) {

exception = e;

}

assert_equal(exception.has_value(), true);

if (message) {

assert_equal(std::string_view{exception.value().what()}, message.value());

}