// Test of the adaptor of the circular buffer.

// Copyright (c) 2003-2004 Jan Gaspar

// Use, modification, and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)

#define BOOST_CB_TEST

#include "test.hpp"
#include <boost/test/included/unit_test_framework.hpp>

using namespace boost;
using namespace std;
using unit_test_framework::test_suite;

#define CB_CONTAINER circular_buffer_space_optimized
#define CB_MIN_CAPACITY ,0

#include "common.cpp"

// min_capacity test (it is useful to use any debug tool)
void min_capacity_test() {

    vector<int> v;
    v.push_back(1);
    v.push_back(2);
    v.push_back(3);
    v.push_back(4);
    v.push_back(5);

    circular_buffer_space_optimized<Integer> cb1(10, 10);
    circular_buffer_space_optimized<Integer> cb2(10, 5, 1);
    circular_buffer_space_optimized<Integer> cb3(20, 10, v.begin(), v.end());

    BOOST_CHECK(cb1.size() == 0);
    BOOST_CHECK(cb1.capacity() == 10);
    BOOST_CHECK(cb1.min_capacity() == 10);
    BOOST_CHECK(cb2[0] == 1);
    BOOST_CHECK(cb2.size() == 10);
    BOOST_CHECK(cb2.capacity() == 10);
    BOOST_CHECK(cb2.min_capacity() == 5);
    BOOST_CHECK(cb3[0] == 1);
    BOOST_CHECK(cb3.size() == 5);
    BOOST_CHECK(cb3.capacity() == 20);
    BOOST_CHECK(cb3.min_capacity() == 10);
    BOOST_CHECK(cb1.min_capacity() <= cb1.internal_capacity());
    BOOST_CHECK(cb2.min_capacity() <= cb2.internal_capacity());
    BOOST_CHECK(cb3.min_capacity() <= cb3.internal_capacity());

    cb2.erase(cb2.begin() + 2, cb2.end());

    BOOST_CHECK(cb2.size() == 2);
    BOOST_CHECK(cb2.min_capacity() <= cb2.internal_capacity());

    cb2.clear();
    cb3.clear();

    BOOST_CHECK(cb2.empty());
    BOOST_CHECK(cb3.empty());
    BOOST_CHECK(cb2.min_capacity() <= cb2.internal_capacity());
    BOOST_CHECK(cb3.min_capacity() <= cb3.internal_capacity());
}

// test main
test_suite* init_unit_test_suite(int argc, char * argv[]) {

    test_suite* tests = BOOST_TEST_SUITE("Unit tests for the circular_buffer_space_optimized.");
    add_common_tests(tests);

    tests->add(BOOST_TEST_CASE(&min_capacity_test));

    return tests;
}