Files
flat.hpp/flat_set_tests.cpp
2019-05-04 10:49:54 +07:00

116 lines
3.3 KiB
C++

/*******************************************************************************
* This file is part of the "https://github.com/blackmatov/flat.hpp"
* For conditions of distribution and use, see copyright notice in LICENSE.md
* Copyright (C) 2019, by Matvey Cherevko (blackmatov@gmail.com)
******************************************************************************/
#define CATCH_CONFIG_FAST_COMPILE
#include "catch.hpp"
#include "flat_set.hpp"
using namespace flat_hpp;
namespace
{
template < typename T >
class dummy_allocator {
public:
using value_type = T;
T* allocate(std::size_t n) {
(void)n;
return nullptr;
}
void deallocate(T* p, std::size_t n) {
(void)p;
(void)n;
}
};
}
TEST_CASE("flat_set") {
SECTION("types") {
using set_t = flat_set<int>;
static_assert(
std::is_same<set_t::key_type, int>::value,
"unit test static error");
static_assert(
std::is_same<set_t::value_type, int>::value,
"unit test static error");
static_assert(
std::is_same<set_t::size_type, std::size_t>::value,
"unit test static error");
static_assert(
std::is_same<set_t::difference_type, std::ptrdiff_t>::value,
"unit test static error");
static_assert(
std::is_same<set_t::reference, int&>::value,
"unit test static error");
static_assert(
std::is_same<set_t::const_reference, const int&>::value,
"unit test static error");
static_assert(
std::is_same<set_t::pointer, int*>::value,
"unit test static error");
static_assert(
std::is_same<set_t::const_pointer, const int*>::value,
"unit test static error");
}
SECTION("ctors") {
using alloc_t = dummy_allocator<int>;
using set_t = flat_set<int, std::less<int>, alloc_t>;
{
auto s0 = set_t();
auto s1 = set_t(alloc_t());
auto s2 = set_t(std::less<int>());
auto s3 = set_t(std::less<int>(), alloc_t());
}
{
std::vector<int> v;
auto s0 = set_t(v.cbegin(), v.cend());
auto s1 = set_t(v.cbegin(), v.cend(), alloc_t());
auto s2 = set_t(v.cbegin(), v.cend(), std::less<int>());
auto s3 = set_t(v.cbegin(), v.cend(), std::less<int>(), alloc_t());
}
{
auto s0 = set_t({0,1,2});
auto s1 = set_t({0,1,2}, alloc_t());
auto s2 = set_t({0,1,2}, std::less<int>());
auto s3 = set_t({0,1,2}, std::less<int>(), alloc_t());
}
}
SECTION("capacity") {
using set_t = flat_set<int>;
set_t s0;
s0.empty();
s0.size();
s0.max_size();
}
SECTION("inserts") {
struct obj_t {
obj_t(int i) : i(i) {}
int i;
};
using set_t = flat_set<obj_t>;
{
set_t s0;
s0.insert(42);
s0.insert(obj_t(42));
s0.insert(s0.cend(), 84);
s0.insert(s0.cend(), obj_t(84));
s0.emplace(100500);
s0.emplace_hint(s0.cend(), 100500);
}
}
}