#include <catch2/catch_test_macros.hpp>
#include <kpn/fixed_string.hpp>

using namespace kpn;

TEST_CASE("fixed_string equality", "[fixed_string]") {
    constexpr fixed_string a("img");
    constexpr fixed_string b("img");
    constexpr fixed_string c("sigma");
    STATIC_REQUIRE(a == b);
    STATIC_REQUIRE(!(a == c));
}

TEST_CASE("fixed_string view", "[fixed_string]") {
    constexpr fixed_string s("hello");
    REQUIRE(s.view() == "hello");
}

TEST_CASE("index_of hit", "[fixed_string]") {
    constexpr auto idx = index_of<fixed_string("b"), fixed_string("a"), fixed_string("b"), fixed_string("c")>();
    STATIC_REQUIRE(idx == 1);
}

TEST_CASE("index_of miss returns npos", "[fixed_string]") {
    constexpr auto idx = index_of<fixed_string("z"), fixed_string("a"), fixed_string("b")>();
    STATIC_REQUIRE(idx == npos);
}