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#include <frozen/string.h>
#include <frozen/algorithm.h>
#include <string>
#include <iostream>
#ifdef FROZEN_LETITGO_HAS_STRING_VIEW
#include <string_view>
#include <type_traits>
#include <tuple>
#endif
#include "bench.hpp"
#include "catch.hpp"
using namespace frozen::string_literals;
using namespace std::literals;
template<typename Char>
void test_string_view() {
#ifdef FROZEN_LETITGO_HAS_STRING_VIEW
constexpr auto strings = []() -> std::tuple<
const Char(&)[12], frozen::basic_string<Char>, std::basic_string_view<Char>,
const Char(&)[23], frozen::basic_string<Char>, std::basic_string_view<Char>
> {
if constexpr (std::is_same_v<char, Char>) {
return {
"Let it go !", "Let it go !"_s, "Let it go !"sv,
"Let it go, let it go !", "Let it go, let it go !"_s, "Let it go, let it go !"sv
};
} else if constexpr (std::is_same_v<wchar_t, Char>) {
return {
L"Let it go !", L"Let it go !"_s, L"Let it go !"sv,
L"Let it go, let it go !", L"Let it go, let it go !"_s, L"Let it go, let it go !"sv
};
} else if constexpr (std::is_same_v<char16_t, Char>) {
return {
u"Let it go !", u"Let it go !"_s, u"Let it go !"sv,
u"Let it go, let it go !", u"Let it go, let it go !"_s, u"Let it go, let it go !"sv
};
} else if constexpr (std::is_same_v<char32_t, Char>) {
return {
U"Let it go !", U"Let it go !"_s, U"Let it go !"sv,
U"Let it go, let it go !", U"Let it go, let it go !"_s, U"Let it go, let it go !"sv
};
}
#ifdef FROZEN_LETITGO_HAS_CHAR8T
else if constexpr (std::is_same_v<char8_t, Char>) {
return {
u8"Let it go !", u8"Let it go !"_s, u8"Let it go !"sv,
u8"Let it go, let it go !", u8"Let it go, let it go !"_s, u8"Let it go, let it go !"sv
};
}
#endif
}();
const auto [
letitgo,
letitgo_s,
letitgo_sv,
letitgoletitgo,
letitgoletitgo_s,
letitgoletitgo_sv
] = strings;
{
frozen::basic_string<Char> letItGo = letitgo_sv;
REQUIRE(letItGo == letitgo);
REQUIRE(letItGo == letitgo_s);
REQUIRE(letItGo == letitgo_sv);
letItGo = letitgoletitgo_sv;
REQUIRE(letItGo == letitgoletitgo);
REQUIRE(letItGo == letitgoletitgo_s);
REQUIRE(letItGo == letitgoletitgo_sv);
}
{
constexpr frozen::basic_string<Char> letItGo = std::get<2>(strings);
static_assert(letItGo == std::get<0>(strings), "frozen::string constexpr");
static_assert(letItGo == std::get<1>(strings), "frozen::string constexpr literal");
static_assert(letItGo == std::get<2>(strings), "frozen::string constexpr string view");
}
#endif
}
TEST_CASE("Various string operation", "[string]") {
{
frozen::string letItGo = "Let it go !";
REQUIRE(letItGo == "Let it go !");
REQUIRE(letItGo == "Let it go !"_s);
letItGo = "Let it go, let it go !";
REQUIRE(letItGo == "Let it go, let it go !");
REQUIRE(letItGo == "Let it go, let it go !"_s);
}
{
constexpr frozen::string letItGo = "Let it go !";
static_assert(letItGo == "Let it go !", "frozen::string constexpr");
static_assert(letItGo == "Let it go !"_s, "frozen::string constexpr literal");
}
test_string_view<char>();
}
TEST_CASE("Various wstring operation", "[string]") {
{
frozen::wstring letItGo = L"Let it go !";
REQUIRE(letItGo == L"Let it go !");
REQUIRE(letItGo == L"Let it go !"_s);
letItGo = L"Let it go, let it go !";
REQUIRE(letItGo == L"Let it go, let it go !");
REQUIRE(letItGo == L"Let it go, let it go !"_s);
}
{
constexpr frozen::wstring letItGo = L"Let it go !";
static_assert(letItGo == L"Let it go !", "frozen::wstring constexpr");
static_assert(letItGo == L"Let it go !"_s, "frozen::wstring constexpr literal");
}
test_string_view<wchar_t>();
}
TEST_CASE("Various u16string operation", "[string]") {
{
frozen::u16string letItGo = u"Let it go !";
REQUIRE(letItGo == u"Let it go !");
REQUIRE(letItGo == u"Let it go !"_s);
letItGo = u"Let it go, let it go !";
REQUIRE(letItGo == u"Let it go, let it go !");
REQUIRE(letItGo == u"Let it go, let it go !"_s);
}
{
constexpr frozen::u16string letItGo = u"Let it go !";
static_assert(letItGo == u"Let it go !", "frozen::u16string constexpr");
static_assert(letItGo == u"Let it go !"_s, "frozen::u16string constexpr literal");
}
test_string_view<char16_t>();
}
TEST_CASE("Various u32string operation", "[string]") {
{
frozen::u32string letItGo = U"Let it go !";
REQUIRE(letItGo == U"Let it go !");
REQUIRE(letItGo == U"Let it go !"_s);
letItGo = U"Let it go, let it go !";
REQUIRE(letItGo == U"Let it go, let it go !");
REQUIRE(letItGo == U"Let it go, let it go !"_s);
}
{
constexpr frozen::u32string letItGo = U"Let it go !";
static_assert(letItGo == U"Let it go !", "frozen::u32string constexpr");
static_assert(letItGo == U"Let it go !"_s, "frozen::u32string constexpr literal");
}
test_string_view<char32_t>();
}
#ifdef FROZEN_LETITGO_HAS_CHAR8T
TEST_CASE("Various u8string operation", "[string]") {
{
frozen::u8string letItGo = u8"Let it go !";
REQUIRE(letItGo == u8"Let it go !");
REQUIRE(letItGo == u8"Let it go !"_s);
letItGo = u8"Let it go, let it go !";
REQUIRE(letItGo == u8"Let it go, let it go !");
REQUIRE(letItGo == u8"Let it go, let it go !"_s);
}
{
constexpr frozen::u8string letItGo = u8"Let it go !";
static_assert(letItGo == u8"Let it go !", "frozen::u8string constexpr");
static_assert(letItGo == u8"Let it go !"_s, "frozen::u8string constexpr literal");
}
test_string_view<char8_t>();
}
#endif
TEST_CASE("Knuth-Morris-Pratt str search", "[str-search]") {
{
std::string haystack = "n";
auto index = frozen::search(haystack.begin(), haystack.end(), frozen::make_knuth_morris_pratt_searcher("n"));
REQUIRE(index == haystack.begin());
}
{
std::string haystack = "nmnn";
auto index = frozen::search(haystack.begin(), haystack.end(), frozen::make_knuth_morris_pratt_searcher("nn"));
REQUIRE(std::distance(haystack.begin(), index) == 2);
}
{
std::string haystack = "nmnn";
auto index = frozen::search(haystack.begin(), haystack.end(), frozen::make_knuth_morris_pratt_searcher("mm"));
REQUIRE(index == haystack.end());
}
{
std::string haystack = "ABC ABCDAB ABCDABCDABDE";
auto index = frozen::search(haystack.begin(), haystack.end(), frozen::make_knuth_morris_pratt_searcher("ABCDABD"));
REQUIRE(std::distance(haystack.begin(), index) == 15);
}
}
TEST_CASE("Boyer-Moore str search", "[str-search]") {
{
std::string haystack = "n";
auto index = frozen::search(haystack.begin(), haystack.end(), frozen::make_boyer_moore_searcher("n"));
REQUIRE(index == haystack.begin());
}
{
std::string haystack = "nmnn";
auto index = frozen::search(haystack.begin(), haystack.end(), frozen::make_boyer_moore_searcher("nn"));
REQUIRE(std::distance(haystack.begin(), index) == 2);
}
{
std::string haystack = "nmnn";
auto index = frozen::search(haystack.begin(), haystack.end(), frozen::make_boyer_moore_searcher("mm"));
REQUIRE(index == haystack.end());
}
{
std::string haystack = "ABC ABCDAB ABCDABCDABDE";
auto index = frozen::search(haystack.begin(), haystack.end(), frozen::make_boyer_moore_searcher("ABCDABD"));
REQUIRE(std::distance(haystack.begin(), index) == 15);
}
}
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