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#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
#include <doctest/doctest.h>
#include <toml11/result.hpp>
TEST_CASE("testing constructor")
{
{
auto s = toml::ok(42);
toml::result<int, std::string> result(s);
CHECK(!!result);
CHECK(result.is_ok());
CHECK(!result.is_err());
CHECK(result.unwrap() == 42);
}
{
const auto s = toml::ok(42);
toml::result<int, std::string> result(s);
CHECK(!!result);
CHECK(result.is_ok());
CHECK(!result.is_err());
CHECK(result.unwrap() == 42);
}
{
toml::result<int, std::string> result(toml::ok(42));
CHECK(!!result);
CHECK(result.is_ok());
CHECK(!result.is_err());
CHECK(result.unwrap() == 42);
}
{
auto f = toml::err("foobar");
toml::result<int, std::string> result(f);
CHECK(!result);
CHECK(!result.is_ok());
CHECK(result.is_err());
CHECK(result.unwrap_err() == "foobar");
}
{
const auto f = toml::err("foobar");
toml::result<int, std::string> result(f);
CHECK(!result);
CHECK(!result.is_ok());
CHECK(result.is_err());
CHECK(result.unwrap_err() == "foobar");
}
{
toml::result<int, std::string> result(toml::err("foobar"));
CHECK(!result);
CHECK(!result.is_ok());
CHECK(result.is_err());
CHECK(result.unwrap_err() == "foobar");
}
}
TEST_CASE("testing assignment op")
{
{
toml::result<int, std::string> result(toml::err("foobar"));
result = toml::ok(42);
CHECK(!!result);
CHECK(result.is_ok());
CHECK(!result.is_err());
CHECK(result.unwrap() == 42);
}
{
toml::result<int, std::string> result(toml::err("foobar"));
auto s = toml::ok(42);
result = s;
CHECK(!!result);
CHECK(result.is_ok());
CHECK(!result.is_err());
CHECK(result.unwrap() == 42);
}
{
toml::result<int, std::string> result(toml::err("foobar"));
const auto s = toml::ok(42);
result = s;
CHECK(!!result);
CHECK(result.is_ok());
CHECK(!result.is_err());
CHECK(result.unwrap() == 42);
}
{
toml::result<int, std::string> result(toml::err("foobar"));
result = toml::err("hoge");
CHECK(!result);
CHECK(!result.is_ok());
CHECK(result.is_err());
CHECK(result.unwrap_err() == "hoge");
}
{
toml::result<int, std::string> result(toml::err("foobar"));
auto f = toml::err("hoge");
result = f;
CHECK(!result);
CHECK(!result.is_ok());
CHECK(result.is_err());
CHECK(result.unwrap_err() == "hoge");
}
{
toml::result<int, std::string> result(toml::err("foobar"));
const auto f = toml::err("hoge");
result = f;
CHECK(!result);
CHECK(!result.is_ok());
CHECK(result.is_err());
CHECK(result.unwrap_err() == "hoge");
}
}
TEST_CASE("testing result<reference_wrapper>")
{
{
int a = 42;
toml::result<std::reference_wrapper<int>, std::string> result(toml::ok(std::ref(a)));
CHECK_UNARY(result);
CHECK_UNARY(result.is_ok());
CHECK_UNARY_FALSE(result.is_err());
CHECK_EQ(result.unwrap(), 42);
CHECK_EQ(a, 42);
result.unwrap() = 6 * 9;
CHECK_EQ(result.unwrap(), 6*9);
CHECK_EQ(a, 6*9);
}
{
std::string b = "foo";
toml::result<int, std::reference_wrapper<std::string>> result(toml::err(std::ref(b)));
CHECK_UNARY_FALSE(result);
CHECK_UNARY_FALSE(result.is_ok());
CHECK_UNARY(result.is_err());
CHECK_EQ(result.unwrap_err(), "foo");
CHECK_EQ(b, "foo");
result.unwrap_err() = "foobar";
CHECK_EQ(result.unwrap_err(), "foobar");
CHECK_EQ(b, "foobar");
}
}
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