47 lines
875 B
C++
47 lines
875 B
C++
#include <catch2/catch_test_macros.hpp>
|
|
|
|
#include "matador/utils/result.hpp"
|
|
|
|
namespace matador::test {
|
|
|
|
enum class math_error : int32_t {
|
|
DIVISION_BY_ZERO = 1
|
|
};
|
|
|
|
utils::result<float, math_error>divide(int x, int y) {
|
|
if (y == 0) {
|
|
return utils::error(math_error::DIVISION_BY_ZERO);
|
|
}
|
|
|
|
return utils::ok(float(x) / y);
|
|
}
|
|
|
|
utils::result<float, math_error>multiply(int x, int y) {
|
|
return utils::ok(float(x) * y);
|
|
}
|
|
|
|
}
|
|
|
|
using namespace matador;
|
|
|
|
TEST_CASE("Result tests", "[result]") {
|
|
auto res = test::divide(4, 2);
|
|
REQUIRE(res);
|
|
REQUIRE(res.is_ok());
|
|
REQUIRE(!res.is_error());
|
|
|
|
REQUIRE((res.value() == 2.0));
|
|
|
|
REQUIRE_THROWS(res.err());
|
|
|
|
res = test::divide(4, 0);
|
|
REQUIRE(!res);
|
|
REQUIRE(!res.is_ok());
|
|
REQUIRE(res.is_error());
|
|
|
|
REQUIRE((res.err() == test::math_error::DIVISION_BY_ZERO));
|
|
|
|
|
|
// res = test::divide(4, 2)
|
|
// .and_then<>()
|
|
} |